🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.97 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.7

Radius: 10.3

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.7 AU - 2.18 AU

Year: 1802 Days

Day: 12.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,483,235 km

• M1: 128,056 km (0.115 R)
• M2: 539,300 km (0.083 R)
• M3: 900,280 km (0.051 R)
• M4: 1,231,490 km (0.111 R)
• M5: 1,655,450 km (0.107 R)
• M6: 2,141,344 km (0.101 R)
• M7: 2,547,053 km (0.073 R)
• M8: 3,306,861 km (0.081 R)
• M9: 3,714,515 km (0.096 R)
• M10: 5,038,456 km (0.098 R)
• M11: 5,535,720 km (0.078 R)
• M12: 6,679,096 km (0.048 R)
• M13: 7,333,736 km (0.08 R)
• M14: 7,774,751 km (0.089 R)
• M15: 9,205,056 km (0.103 R)
• M16: 10,559,665 km (0.093 R)
• M17: 10,980,035 km (0.088 R)
• M18: 11,892,133 km (0.11 R)
• M19: 12,972,529 km (0.114 R)
• M20: 13,373,900 km (0.1 R)
• M21: 14,075,215 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.8

Radius: 12

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.14 AU - 3.08 AU

Year: 2812 Days

Day: 12 Hours

Environment

Temp: -207 °C

Axial Tilt: 66.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,483,235 km

• M1: 149,747 km (0.109 R)
• M2: 705,504 km (0.083 R)
• M3: 1,301,651 km (0.074 R)
• M4: 2,064,151 km (0.108 R)
• M5: 3,969,729 km (0.096 R)
• M6: 7,250,111 km (0.118 R)
• M7: 9,398,935 km (0.093 R)
• M8: 12,382,515 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.9

Radius: 8.9

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.68 AU - 3.78 AU

Year: 4804 Days

Day: 11.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,483,235 km

• M1: 111,151 km (0.09 R)
• M2: 434,133 km (0.042 R)
• M3: 859,889 km (0.106 R)
• M4: 1,315,564 km (0.07 R)
• M5: 1,708,108 km (0.119 R)
• M6: 2,614,073 km (0.076 R)
• M7: 3,088,897 km (0.105 R)
• M8: 3,376,873 km (0.083 R)
• M9: 3,662,006 km (0.103 R)
• M10: 4,211,330 km (0.094 R)
• M11: 5,124,176 km (0.11 R)
• M12: 5,447,008 km (0.113 R)
• M13: 6,283,559 km (0.08 R)
• M14: 9,229,291 km (0.086 R)
• M15: 10,036,970 km (0.077 R)
• M16: 10,330,631 km (0.101 R)
• M17: 11,792,800 km (0.089 R)
• M18: 12,119,821 km (0.107 R)
• M19: 13,795,616 km (0.103 R)
• M20: 14,635,309 km (0.11 R)
• M21: 15,342,458 km (0.102 R)
• M22: 18,028,039 km (0.054 R)
• M23: 19,287,953 km (0.096 R)
• M24: 19,939,451 km (0.109 R)
• M25: 21,012,218 km (0.114 R)
• M26: 22,621,143 km (0.071 R)
• M27: 22,909,119 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516.2

Radius: 4.8

Gravity: 22.4 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.52 AU - 6.56 AU

Year: 9899 Days

Day: 17.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,483,235 km

• M1: 60,138 km (0.05 R)
• M2: 214,673 km (0.118 R)
• M3: 421,567 km (0.057 R)
• M4: 727,644 km (0.108 R)
• M5: 1,979,030 km (0.073 R)
• M6: 2,955,156 km (0.093 R)
• M7: 3,107,447 km (0.1 R)
• M8: 4,580,238 km (0.06 R)
• M9: 5,934,847 km (0.064 R)
• M10: 10,470,953 km (0.105 R)
• M11: 11,033,142 km (0.072 R)
• M12: 13,904,972 km (0.077 R)
• M13: 15,155,311 km (0.11 R)
• M14: 15,414,116 km (0.089 R)
• M15: 19,126,985 km (0.069 R)
• M16: 19,353,327 km (0.056 R)
• M17: 21,553,313 km (0.069 R)
• M18: 23,480,732 km (0.062 R)
• M19: 28,944,346 km (0.03 R)
• M20: 31,599,708 km (0.069 R)
• M21: 33,203,098 km (0.084 R)
• M22: 33,420,912 km (0.098 R)
• M23: 35,765,859 km (0.062 R)
• M24: 38,337,596 km (0.112 R)
• M25: 40,159,997 km (0.103 R)
• M26: 42,294,310 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 515

Radius: 3.2

Gravity: 50.29 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.99 AU - 7.13 AU

Year: 9948 Days

Day: 19.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 48,483,235 km

• M1: 41,439 km (0.109 R)
• M2: 148,999 km (0.096 R)
• M3: 430,243 km (0.077 R)
• M4: 581,637 km (0.114 R)
• M5: 785,090 km (0.045 R)
• M6: 893,997 km (0.069 R)
• M7: 1,044,343 km (0.108 R)
• M8: 1,715,439 km (0.043 R)
• M9: 2,309,941 km (0.076 R)
• M10: 2,554,982 km (0.111 R)
• M11: 4,100,478 km (0.075 R)
• M12: 4,602,827 km (0.095 R)
• M13: 5,366,973 km (0.065 R)
• M14: 6,106,286 km (0.092 R)
• M15: 7,025,864 km (0.11 R)
• M16: 9,744,955 km (0.072 R)
• M17: 10,133,760 km (0.04 R)
• M18: 11,902,007 km (0.117 R)
• M19: 13,624,327 km (0.111 R)
• M20: 15,440,295 km (0.094 R)
• M21: 15,968,226 km (0.119 R)
• M22: 17,270,177 km (0.077 R)
• M23: 18,493,588 km (0.025 R)
• M24: 19,315,329 km (0.112 R)
• M25: 21,031,217 km (0.097 R)
• M26: 21,761,553 km (0.106 R)
• M27: 22,174,444 km (0.08 R)
• M28: 24,406,444 km (0.059 R)
• M29: 27,257,630 km (0.05 R)
• M30: 27,544,858 km (0.034 R)
• M31: 32,311,195 km (0.085 R)
• M32: 32,740,541 km (0.092 R)
• M33: 33,282,534 km (0.104 R)
• M34: 35,624,339 km (0.115 R)
• M35: 39,522,261 km (0.064 R)
• M36: 39,890,123 km (0.118 R)
• M37: 40,508,261 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.2

Radius: 7

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.31 AU - 6.53 AU

Year: 10848 Days

Day: 21 Hours

Environment

Temp: -226 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,483,235 km

• M1: 97,687 km (0.046 R)
• M2: 669,750 km (0.089 R)
• M3: 1,320,201 km (0.084 R)
• M4: 1,829,432 km (0.096 R)
• M5: 2,839,966 km (0.103 R)
• M6: 3,394,824 km (0.06 R)
• M7: 3,685,792 km (0.119 R)
• M8: 10,754,591 km (0.111 R)
• M9: 13,842,141 km (0.091 R)
• M10: 16,840,681 km (0.041 R)
• M11: 18,417,143 km (0.027 R)
• M12: 22,445,216 km (0.115 R)
• M13: 29,278,398 km (0.12 R)
• M14: 33,824,228 km (0.03 R)
• M15: 35,859,208 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.9

Radius: 6.2

Gravity: 12.41 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 6.22 AU - 7.66 AU

Year: 12192 Days

Day: 19.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,483,235 km

• M1: 77,342 km (0.091 R)
• M2: 359,484 km (0.08 R)
• M3: 613,950 km (0.104 R)
• M4: 1,723,517 km (0.091 R)
• M5: 4,429,593 km (0.112 R)
• M6: 5,330,621 km (0.111 R)
• M7: 9,136,241 km (0.049 R)
• M8: 9,867,775 km (0.086 R)
• M9: 11,118,563 km (0.081 R)
• M10: 14,441,131 km (0.071 R)
• M11: 15,163,689 km (0.09 R)
• M12: 15,364,749 km (0.106 R)
• M13: 15,704,036 km (0.098 R)
• M14: 18,753,589 km (0.093 R)
• M15: 20,416,818 km (0.097 R)
• M16: 23,672,367 km (0.12 R)
• M17: 28,258,290 km (0.116 R)
• M18: 29,179,364 km (0.107 R)
• M19: 31,515,035 km (0.088 R)
• M20: 32,172,967 km (0.102 R)
• M21: 41,579,382 km (0.1 R)
• M22: 46,056,248 km (0.092 R)
• M23: 47,187,956 km (0.056 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 18,429 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit