🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.7

Radius: 9.2

Gravity: 9.21 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.57 AU - 0.91 AU

Year: 439 Days

Day: 10 Hours

Environment

Temp: -160 °C

Axial Tilt: 153.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,503,744 km

• M1: 114,442 km (0.102 R)
• M2: 523,742 km (0.085 R)
• M3: 1,067,082 km (0.097 R)
• M4: 1,496,128 km (0.077 R)
• M5: 2,168,122 km (0.077 R)
• M6: 2,573,233 km (0.117 R)
• M7: 2,885,593 km (0.119 R)
• M8: 3,176,561 km (0.112 R)
• M9: 3,512,109 km (0.103 R)
• M10: 3,857,979 km (0.113 R)
• M11: 4,877,938 km (0.11 R)
• M12: 5,697,585 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.9

Radius: 9.9

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.79 AU - 0.81 AU

Year: 494 Days

Day: 14.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 75.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,503,744 km

• M1: 123,119 km (0.111 R)
• M2: 692,040 km (0.1 R)
• M3: 1,008,738 km (0.067 R)
• M4: 1,773,782 km (0.117 R)
• M5: 2,369,780 km (0.083 R)
• M6: 2,841,612 km (0.096 R)
• M7: 3,190,175 km (0.094 R)
• M8: 4,189,339 km (0.097 R)
• M9: 4,596,245 km (0.094 R)
• M10: 5,577,757 km (0.096 R)
• M11: 6,357,760 km (0.118 R)
• M12: 6,916,957 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.7

Radius: 14.2

Gravity: 0.05 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.35 AU - 4.85 AU

Year: 5730 Days

Day: 9.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 35,503,744 km

• M1: 207,941 km (0.107 R)
• M2: 4,381,123 km (0.108 R)
• M3: 4,852,656 km (0.1 R)
• M4: 5,376,248 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.1

Radius: 15

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.47 AU - 5.91 AU

Year: 8161 Days

Day: 7.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 35,503,744 km

• M1: 186,549 km (0.085 R)
• M2: 998,416 km (0.113 R)
• M3: 1,938,040 km (0.056 R)
• M4: 2,677,802 km (0.091 R)
• M5: 3,577,633 km (0.11 R)
• M6: 4,177,670 km (0.11 R)
• M7: 4,757,661 km (0.096 R)
• M8: 6,717,842 km (0.077 R)
• M9: 8,043,878 km (0.046 R)
• M10: 9,261,754 km (0.12 R)
• M11: 10,302,506 km (0.113 R)
• M12: 11,055,881 km (0.073 R)
• M13: 11,738,347 km (0.09 R)
• M14: 13,895,548 km (0.111 R)
• M15: 16,984,145 km (0.11 R)
• M16: 18,324,542 km (0.109 R)
• M17: 18,909,470 km (0.045 R)
• M18: 20,117,174 km (0.029 R)
• M19: 21,056,050 km (0.105 R)
• M20: 22,024,098 km (0.056 R)
• M21: 27,032,335 km (0.051 R)
• M22: 27,887,137 km (0.065 R)
• M23: 29,451,034 km (0.045 R)
• M24: 29,951,438 km (0.114 R)
• M25: 30,866,828 km (0.078 R)
• M26: 32,967,481 km (0.084 R)
• M27: 34,052,814 km (0.107 R)
• M28: 36,986,278 km (0.109 R)
• M29: 38,395,490 km (0.091 R)
• M30: 40,452,760 km (0.061 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 218

Radius: 6.3

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.1 AU - 8.56 AU

Year: 13698 Days

Day: 18.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,503,744 km

• M1: 78,539 km (0.07 R)
• M2: 723,007 km (0.091 R)
• M3: 1,500,018 km (0.071 R)
• M4: 1,820,456 km (0.105 R)
• M5: 2,580,114 km (0.095 R)
• M6: 3,259,139 km (0.099 R)
• M7: 4,789,077 km (0.094 R)
• M8: 6,351,776 km (0.112 R)
• M9: 9,633,355 km (0.096 R)
• M10: 9,866,728 km (0.114 R)
• M11: 14,375,757 km (0.102 R)
• M12: 15,052,538 km (0.074 R)
• M13: 18,976,490 km (0.114 R)
• M14: 19,715,653 km (0.099 R)
• M15: 21,251,126 km (0.047 R)
• M16: 23,786,061 km (0.058 R)
• M17: 24,558,136 km (0.117 R)
• M18: 29,741,702 km (0.093 R)
• M19: 33,646,356 km (0.115 R)
• M20: 35,167,019 km (0.042 R)
• M21: 35,387,975 km (0.106 R)
• M22: 40,003,069 km (0.032 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 139.6

Radius: 3.5

Gravity: 11.4 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.65 AU - 9.31 AU

Year: 14121 Days

Day: 19 Hours

Environment

Temp: -230 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,503,744 km

• M1: 43,533 km (0.068 R)
• M2: 217,814 km (0.066 R)
• M3: 436,826 km (0.074 R)
• M4: 830,268 km (0.046 R)
• M5: 2,098,858 km (0.071 R)
• M6: 2,596,421 km (0.042 R)
• M7: 3,725,137 km (0.09 R)
• M8: 5,058,353 km (0.082 R)
• M9: 7,818,434 km (0.066 R)
• M10: 11,642,005 km (0.068 R)
• M11: 13,838,102 km (0.081 R)
• M12: 18,063,344 km (0.032 R)
• M13: 20,392,583 km (0.094 R)
• M14: 24,539,736 km (0.039 R)
• M15: 25,465,597 km (0.102 R)
• M16: 31,318,464 km (0.082 R)
• M17: 33,828,716 km (0.091 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 17,852 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit