Surya (Sun) Mantra

Japakusuma Samkaasham Kashyapeyam Mahadhyuthim
Tamorim Sarva Paapagnam Pranathosmi Divakaram

Chandra (Moon) Mantra

Dadhishamkha tusharaabham ksheero daarnava sambhavam
Namami Shashinam Somam Shambor Mukuta Bhooshanam

Mangal (Mars) Mantra

Dharaneegarbha Sambootham Vidhyadh Kaanthi Samaprabham
Kumaaram Shakthihastham Cha Mangalam Pranamaamyaham

Budha (Mercury) Mantra

Priyam [bad word] prathimam Budham
Saumyam Saumya gunor petham tham Budham pranamaamyaham

Brihaspathi (Jupiter) Mantra

"Devaanaam cha Hrisheenaam cha [bad word] kaanchana Sannibham
Buddhibhootam trilokesham tham namaami Brihaspatheem

Shukra (Venus) Mantra

Himakundha Mrinaalabham Daithyaanam Paramam [bad word] Sarvashaastra pravatkaaram Bhaargavam pranamaamyaham

Shani (Saturn) Mantra

Neelaamjana Samaabhaasam Raviputram Yamagrajam
Chchaaya maarthanda samboothm tham namaami Shanishwaram

Rahu Mantra

Ardhakaayam mahaveeryam chandradithya vimardhanam
Sinhigaagarbha sambootham tham raahum pranamamyaham

Ketu Mantra

Palashapushpa sankasham taaragagraha masthakam
Raudram raudrathmakamkhoram tham kethum pranamamhyaham

Chanting the mantra and lighting the dhoop in the 1st, 8th, 15th and 22nd hour after sunrise is said to be more beneficial than any other time of the day. 
 [bad word]  [bad word] hub/Navagraha-Mantra

    *  Sun represents soul, king, highly placed persons, father.
    * Moon represents Mind, queen, mother.
    * Mars represents energy, confidence and ego.
    * Mercury [bad word] 
    * Jupiter represents the great teacher.
    * Venus represents wealth, pleasure and reproduction.
    * Saturn represents learning and Career.
    * Rahu represents an Asura who does his best to plunge any area of one's life he controls into chaos.
    * Ketu represents supernatural influences.