🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.82 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.43 AU - 1.83 AU

Year: 772 Days

Day: 25.7 Hours

Environment

Temp: -43 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 39,387,593 km

• M1: 27,676 km (0.093 R)
• M2: 562,338 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.38 AU - 2 AU

Year: 815 Days

Day: 37.9 Hours

Environment

Temp: -49 °C

Axial Tilt: 18.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 39,387,593 km

• M1: 104,120 km (0.071 R)
• M2: 1,123,480 km (0.078 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.55 AU - 4.13 AU

Year: 2264 Days

Day: 16.6 Hours

Environment

Temp: -125 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,387,593 km

• M1: 27,077 km (0.076 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.62 AU - 4.06 AU

Year: 2791 Days

Day: 25.2 Hours

Environment

Temp: -123 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,387,593 km

• M1: 659,727 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.1

Radius: 10.1

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.66 AU - 6.06 AU

Year: 3973 Days

Day: 9.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 39,387,593 km

• M1: 157,826 km (0.101 R)
• M2: 478,115 km (0.076 R)
• M3: 924,066 km (0.089 R)
• M4: 1,269,936 km (0.101 R)
• M5: 1,654,702 km (0.072 R)
• M6: 2,074,474 km (0.12 R)
• M7: 2,802,716 km (0.117 R)
• M8: 3,424,146 km (0.098 R)
• M9: 4,066,519 km (0.089 R)
• M10: 4,440,813 km (0.083 R)
• M11: 5,071,966 km (0.118 R)
• M12: 5,790,784 km (0.105 R)
• M13: 6,357,760 km (0.099 R)
• M14: 6,702,882 km (0.076 R)
• M15: 7,430,526 km (0.082 R)
• M16: 7,884,855 km (0.111 R)
• M17: 9,480,316 km (0.118 R)
• M18: 10,015,129 km (0.105 R)
• M19: 10,700,885 km (0.11 R)
• M20: 11,326,354 km (0.107 R)
• M21: 13,502,704 km (0.105 R)
• M22: 13,969,300 km (0.082 R)
• M23: 14,554,227 km (0.079 R)
• M24: 15,266,313 km (0.054 R)
• M25: 16,348,803 km (0.112 R)
• M26: 19,050,990 km (0.089 R)
• M27: 20,304,919 km (0.082 R)
• M28: 20,643,908 km (0.116 R)
• M29: 21,613,003 km (0.072 R)
• M30: 23,493,149 km (0.039 R)
• M31: 23,866,844 km (0.109 R)
• M32: 25,166,999 km (0.119 R)
• M33: 27,328,389 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.3

Radius: 9.4

Gravity: 10.68 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 9.13 AU - 9.57 AU

Year: 10603 Days

Day: 7.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 39,387,593 km

• M1: 116,836 km (0.067 R)
• M2: 484,548 km (0.079 R)
• M3: 807,829 km (0.078 R)
• M4: 1,100,741 km (0.092 R)
• M5: 2,408,825 km (0.105 R)
• M6: 2,874,523 km (0.069 R)
• M7: 3,631,788 km (0.08 R)
• M8: 4,640,227 km (0.077 R)
• M9: 6,429,567 km (0.111 R)
• M10: 6,828,096 km (0.047 R)
• M11: 7,413,771 km (0.042 R)
• M12: 7,942,151 km (0.059 R)
• M13: 9,123,525 km (0.116 R)
• M14: 9,423,768 km (0.042 R)
• M15: 10,149,916 km (0.084 R)
• M16: 11,025,064 km (0.088 R)
• M17: 15,312,688 km (0.089 R)
• M18: 23,274,287 km (0.112 R)
• M19: 24,502,785 km (0.12 R)
• M20: 26,073,413 km (0.049 R)
• M21: 26,985,960 km (0.078 R)
• M22: 29,523,140 km (0.109 R)
• M23: 33,978,464 km (0.114 R)
• M24: 36,053,536 km (0.054 R)
• M25: 39,653,309 km (0.048 R)
• M26: 41,676,920 km (0.116 R)
• M27: 42,089,810 km (0.107 R)
• M28: 42,783,944 km (0.103 R)
• M29: 48,008,949 km (0.099 R)
• M30: 51,402,876 km (0.055 R)
• M31: 52,355,515 km (0.105 R)
• M32: 52,997,140 km (0.11 R)
• M33: 54,459,908 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 102.9

Radius: 7.2

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 10.88 AU - 16.92 AU

Year: 19219 Days

Day: 23.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,387,593 km

• M1: 96,042 km (0.066 R)
• M2: 667,506 km (0.067 R)
• M3: 2,032,137 km (0.107 R)
• M4: 4,943,013 km (0.086 R)
• M5: 5,647,170 km (0.103 R)
• M6: 14,696,495 km (0.037 R)
• M7: 17,340,488 km (0.108 R)
• M8: 23,132,917 km (0.088 R)
• M9: 31,293,032 km (0.093 R)
• M10: 35,844,996 km (0.041 R)
• M11: 37,760,148 km (0.089 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 16,192 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit