🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.3

Radius: 13.8

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.78 AU - 0.78 AU

Year: 467 Days

Day: 14.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,865,434 km

• M1: 171,738 km (0.095 R)
• M2: 608,863 km (0.043 R)
• M3: 1,106,276 km (0.068 R)
• M4: 1,704,369 km (0.09 R)
• M5: 2,332,829 km (0.105 R)
• M6: 3,034,443 km (0.117 R)
• M7: 3,658,715 km (0.109 R)

Asteroid Belt

Center: 1.4 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.9

Radius: 12.5

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.8 AU - 2.22 AU

Year: 1933 Days

Day: 11.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,865,434 km

• M1: 161,117 km (0.047 R)
• M2: 587,172 km (0.076 R)
• M3: 1,085,482 km (0.047 R)
• M4: 1,525,150 km (0.106 R)
• M5: 1,935,348 km (0.053 R)
• M6: 2,933,764 km (0.062 R)
• M7: 3,504,629 km (0.105 R)
• M8: 4,017,002 km (0.103 R)
• M9: 5,232,485 km (0.114 R)
• M10: 5,757,274 km (0.12 R)
• M11: 6,960,191 km (0.066 R)
• M12: 8,459,012 km (0.113 R)
• M13: 9,650,409 km (0.116 R)
• M14: 10,789,896 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.9

Radius: 8.1

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.31 AU - 2.55 AU

Year: 2569 Days

Day: 9.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,865,434 km

• M1: 105,167 km (0.083 R)
• M2: 367,113 km (0.045 R)
• M3: 700,716 km (0.03 R)
• M4: 1,376,001 km (0.105 R)
• M5: 1,903,035 km (0.068 R)
• M6: 2,292,139 km (0.097 R)
• M7: 2,888,136 km (0.052 R)
• M8: 3,484,733 km (0.116 R)
• M9: 3,752,214 km (0.096 R)
• M10: 4,559,594 km (0.073 R)
• M11: 5,910,911 km (0.104 R)
• M12: 6,564,803 km (0.06 R)
• M13: 6,870,581 km (0.074 R)
• M14: 7,676,764 km (0.099 R)
• M15: 10,066,740 km (0.12 R)
• M16: 12,873,495 km (0.067 R)
• M17: 13,434,487 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34.9

Radius: 7.8

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.02 AU - 7.44 AU

Year: 10547 Days

Day: 15.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 162.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,865,434 km

• M1: 124,166 km (0.084 R)
• M2: 653,294 km (0.097 R)
• M3: 1,191,846 km (0.107 R)
• M4: 1,503,010 km (0.113 R)
• M5: 2,400,148 km (0.052 R)
• M6: 3,194,214 km (0.05 R)
• M7: 3,820,281 km (0.092 R)
• M8: 4,336,393 km (0.057 R)
• M9: 5,196,581 km (0.07 R)
• M10: 5,679,782 km (0.104 R)
• M11: 7,309,950 km (0.107 R)
• M12: 7,979,102 km (0.039 R)
• M13: 8,523,638 km (0.119 R)
• M14: 9,092,559 km (0.111 R)
• M15: 11,344,455 km (0.099 R)
• M16: 14,173,201 km (0.106 R)
• M17: 15,308,949 km (0.063 R)
• M18: 16,657,723 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 816.7

Radius: 4.7

Gravity: 36.97 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 7.93 AU - 9.49 AU

Year: 17435 Days

Day: 16.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 68,865,434 km

• M1: 58,792 km (0.058 R)
• M2: 239,506 km (0.074 R)
• M3: 407,355 km (0.096 R)
• M4: 1,605,185 km (0.065 R)
• M5: 1,761,515 km (0.072 R)
• M6: 2,024,957 km (0.095 R)
• M7: 3,695,067 km (0.119 R)
• M8: 3,876,230 km (0.109 R)
• M9: 5,948,610 km (0.101 R)
• M10: 6,807,152 km (0.038 R)
• M11: 7,266,118 km (0.052 R)
• M12: 9,703,067 km (0.075 R)
• M13: 12,033,354 km (0.075 R)
• M14: 14,264,606 km (0.1 R)
• M15: 14,787,002 km (0.057 R)
• M16: 15,790,803 km (0.095 R)
• M17: 19,434,559 km (0.101 R)
• M18: 19,983,732 km (0.11 R)
• M19: 20,732,021 km (0.069 R)
• M20: 22,383,881 km (0.077 R)
• M21: 24,755,605 km (0.111 R)
• M22: 25,400,671 km (0.091 R)
• M23: 29,509,078 km (0.07 R)
• M24: 31,845,946 km (0.098 R)
• M25: 32,737,250 km (0.035 R)
• M26: 34,569,226 km (0.104 R)
• M27: 35,104,936 km (0.072 R)
• M28: 35,646,181 km (0.083 R)
• M29: 38,579,346 km (0.109 R)
• M30: 41,368,299 km (0.112 R)
• M31: 43,197,283 km (0.12 R)
• M32: 44,603,802 km (0.042 R)
• M33: 47,343,537 km (0.081 R)
• M34: 49,174,765 km (0.109 R)
• M35: 49,512,706 km (0.096 R)
• M36: 54,227,882 km (0.034 R)
• M37: 60,386,527 km (0.102 R)
• M38: 62,143,554 km (0.077 R)
• M39: 72,528,937 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 656.9

Radius: 7.9

Gravity: 10.53 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.98 AU - 10.54 AU

Year: 17585 Days

Day: 15.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,865,434 km

• M1: 134,788 km (0.074 R)
• M2: 1,072,916 km (0.066 R)
• M3: 1,575,714 km (0.062 R)
• M4: 2,288,847 km (0.099 R)
• M5: 2,614,672 km (0.088 R)
• M6: 2,873,177 km (0.078 R)
• M7: 3,123,155 km (0.102 R)
• M8: 3,553,398 km (0.048 R)
• M9: 3,841,973 km (0.115 R)
• M10: 4,666,406 km (0.041 R)
• M11: 5,414,545 km (0.092 R)
• M12: 6,704,827 km (0.048 R)
• M13: 8,954,629 km (0.103 R)
• M14: 10,687,721 km (0.072 R)
• M15: 12,567,268 km (0.078 R)
• M16: 22,104,731 km (0.11 R)
• M17: 24,297,088 km (0.084 R)
• M18: 25,445,999 km (0.114 R)
• M19: 26,412,551 km (0.093 R)
• M20: 29,342,126 km (0.07 R)
• M21: 32,481,438 km (0.102 R)
• M22: 34,132,101 km (0.093 R)
• M23: 35,704,673 km (0.118 R)
• M24: 44,605,448 km (0.115 R)
• M25: 51,748,596 km (0.113 R)
• M26: 56,489,054 km (0.11 R)
• M27: 65,817,079 km (0.118 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: 545 - 13,517 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit