🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.55 AU - 0.73 AU

Year: 178 Days

Day: 44.8 Hours

Environment

Temp: 165 °C

Axial Tilt: 2.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.86 AU - 1.18 AU

Year: 359 Days

Day: 20.3 Hours

Environment

Temp: 82 °C

Axial Tilt: 33.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.69 AU - 1.79 AU

Year: 799 Days

Day: 30.9 Hours

Environment

Temp: -36 °C

Axial Tilt: 61.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.24 AU - 5.12 AU

Year: 2976 Days

Day: 20.6 Hours

Environment

Temp: -111 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.89 AU - 5.61 AU

Year: 4189 Days

Day: 18.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.19 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.8

Radius: 9.8

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.87 AU - 8.39 AU

Year: 6630 Days

Day: 10.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,871,234 km

• M1: 129,851 km (0.099 R)
• M2: 636,838 km (0.065 R)
• M3: 1,414,448 km (0.059 R)
• M4: 1,803,402 km (0.088 R)
• M5: 2,490,505 km (0.039 R)
• M6: 2,938,701 km (0.11 R)
• M7: 3,619,670 km (0.11 R)
• M8: 4,735,969 km (0.091 R)
• M9: 5,060,597 km (0.113 R)
• M10: 5,426,962 km (0.101 R)
• M11: 6,511,547 km (0.088 R)
• M12: 8,222,198 km (0.118 R)
• M13: 9,258,163 km (0.104 R)
• M14: 9,807,786 km (0.08 R)
• M15: 10,296,073 km (0.086 R)
• M16: 15,942,645 km (0.113 R)
• M17: 16,732,671 km (0.069 R)
• M18: 18,147,269 km (0.111 R)
• M19: 20,878,627 km (0.093 R)
• M20: 22,030,231 km (0.12 R)
• M21: 24,533,752 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.8

Radius: 13.9

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 7.62 AU - 7.74 AU

Year: 7412 Days

Day: 13.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 170.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 80,871,234 km

• M1: 176,675 km (0.115 R)
• M2: 652,247 km (0.104 R)
• M3: 1,089,072 km (0.04 R)
• M4: 1,596,658 km (0.084 R)
• M5: 2,179,192 km (0.08 R)
• M6: 2,963,983 km (0.118 R)
• M7: 3,956,265 km (0.083 R)
• M8: 4,772,172 km (0.094 R)
• M9: 6,450,211 km (0.072 R)
• M10: 6,925,334 km (0.106 R)
• M11: 7,987,629 km (0.07 R)
• M12: 8,536,653 km (0.068 R)
• M13: 9,246,794 km (0.081 R)
• M14: 9,852,516 km (0.094 R)
• M15: 11,299,726 km (0.069 R)
• M16: 12,101,869 km (0.042 R)
• M17: 12,999,008 km (0.099 R)
• M18: 15,826,408 km (0.091 R)
• M19: 16,626,607 km (0.075 R)
• M20: 18,893,164 km (0.088 R)
• M21: 20,177,611 km (0.116 R)
• M22: 23,428,971 km (0.085 R)
• M23: 24,381,012 km (0.103 R)
• M24: 25,629,855 km (0.1 R)
• M25: 27,108,929 km (0.103 R)
• M26: 28,839,926 km (0.049 R)
• M27: 30,746,102 km (0.045 R)
• M28: 32,949,081 km (0.088 R)
• M29: 35,593,373 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.5

Radius: 10.1

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 8.19 AU - 10.61 AU

Year: 10037 Days

Day: 6 Hours

Environment

Temp: -169 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,871,234 km

• M1: 126,709 km (0.026 R)
• M2: 548,575 km (0.044 R)
• M3: 883,675 km (0.104 R)
• M4: 1,274,275 km (0.102 R)
• M5: 1,749,547 km (0.064 R)
• M6: 3,174,616 km (0.11 R)
• M7: 4,423,160 km (0.08 R)
• M8: 5,487,998 km (0.117 R)
• M9: 6,044,652 km (0.12 R)
• M10: 7,857,030 km (0.077 R)
• M11: 8,519,300 km (0.079 R)
• M12: 9,905,025 km (0.113 R)
• M13: 10,625,338 km (0.087 R)
• M14: 14,695,298 km (0.06 R)
• M15: 15,158,902 km (0.116 R)
• M16: 17,476,921 km (0.114 R)
• M17: 32,681,151 km (0.046 R)
• M18: 34,972,990 km (0.081 R)
• M19: 41,824,573 km (0.098 R)
• M20: 46,905,664 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859.2

Radius: 4.1

Gravity: 51.11 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 12.1 AU - 17.24 AU

Year: 19568 Days

Day: 16.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,871,234 km

• M1: 77,492 km (0.093 R)
• M2: 277,504 km (0.103 R)
• M3: 420,669 km (0.032 R)
• M4: 1,099,844 km (0.111 R)
• M5: 1,555,070 km (0.092 R)
• M6: 1,844,243 km (0.1 R)
• M7: 2,435,453 km (0.027 R)
• M8: 2,577,123 km (0.108 R)
• M9: 12,848,064 km (0.084 R)
• M10: 25,801,294 km (0.082 R)
• M11: 26,601,194 km (0.112 R)
• M12: 27,772,396 km (0.074 R)
• M13: 34,283,643 km (0.107 R)
• M14: 34,695,486 km (0.078 R)
• M15: 40,813,291 km (0.061 R)
• M16: 43,481,220 km (0.107 R)
• M17: 47,612,066 km (0.049 R)
• M18: 48,813,935 km (0.1 R)
• M19: 52,722,778 km (0.099 R)
• M20: 56,452,552 km (0.06 R)
• M21: 58,381,766 km (0.109 R)

Kuiper Belt

Range: 31.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 14,783 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit