🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.2

Radius: 8.3

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.74 AU - 0.78 AU

Year: 428 Days

Day: 11.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 101.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,390,231 km

• M1: 103,223 km (0.028 R)
• M2: 437,574 km (0.11 R)
• M3: 710,440 km (0.068 R)
• M4: 977,323 km (0.063 R)
• M5: 1,271,881 km (0.093 R)
• M6: 1,653,804 km (0.074 R)
• M7: 1,989,203 km (0.112 R)
• M8: 2,451,760 km (0.112 R)
• M9: 3,037,286 km (0.068 R)
• M10: 3,615,781 km (0.072 R)
• M11: 4,374,391 km (0.11 R)
• M12: 4,828,122 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.2

Radius: 13

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.71 AU - 0.83 AU

Year: 436 Days

Day: 5.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,390,231 km

• M1: 161,715 km (0.101 R)
• M2: 625,917 km (0.089 R)
• M3: 1,074,711 km (0.079 R)
• M4: 1,710,502 km (0.068 R)
• M5: 2,447,122 km (0.118 R)
• M6: 2,858,815 km (0.115 R)
• M7: 3,271,406 km (0.065 R)
• M8: 3,724,089 km (0.095 R)
• M9: 4,342,228 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.6

Radius: 13

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.91 AU - 1.23 AU

Year: 715 Days

Day: 11.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,390,231 km

• M1: 162,613 km (0.032 R)
• M2: 576,700 km (0.098 R)
• M3: 1,512,584 km (0.094 R)
• M4: 1,961,228 km (0.073 R)
• M5: 2,455,499 km (0.096 R)
• M6: 3,073,787 km (0.074 R)
• M7: 3,482,040 km (0.091 R)
• M8: 4,748,835 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.4

Radius: 12.1

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.1 AU - 1.3 AU

Year: 849 Days

Day: 11.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,390,231 km

• M1: 150,495 km (0.114 R)
• M2: 609,611 km (0.039 R)
• M3: 1,020,108 km (0.108 R)
• M4: 1,948,512 km (0.083 R)
• M5: 2,775,340 km (0.07 R)
• M6: 3,305,066 km (0.096 R)
• M7: 3,965,241 km (0.069 R)
• M8: 4,622,125 km (0.053 R)
• M9: 5,080,643 km (0.094 R)
• M10: 5,815,019 km (0.108 R)
• M11: 7,569,951 km (0.113 R)
• M12: 7,949,332 km (0.067 R)
• M13: 8,394,535 km (0.059 R)
• M14: 8,773,766 km (0.087 R)
• M15: 10,345,142 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.8

Radius: 12.6

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.09 AU - 2.31 AU

Year: 2107 Days

Day: 11.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,390,231 km

• M1: 169,794 km (0.097 R)
• M2: 733,927 km (0.053 R)
• M3: 1,129,464 km (0.119 R)
• M4: 1,542,952 km (0.118 R)
• M5: 2,162,288 km (0.101 R)
• M6: 2,557,376 km (0.081 R)
• M7: 3,336,182 km (0.069 R)
• M8: 4,438,419 km (0.118 R)
• M9: 4,917,432 km (0.08 R)
• M10: 5,520,012 km (0.049 R)
• M11: 6,003,811 km (0.08 R)
• M12: 10,640,597 km (0.1 R)
• M13: 11,539,681 km (0.048 R)
• M14: 12,026,921 km (0.069 R)
• M15: 12,843,127 km (0.061 R)
• M16: 14,072,672 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.1

Radius: 12.4

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.33 AU - 3.37 AU

Year: 3107 Days

Day: 10.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,390,231 km

• M1: 154,235 km (0.065 R)
• M2: 611,556 km (0.11 R)
• M3: 1,697,786 km (0.076 R)
• M4: 2,410,022 km (0.114 R)
• M5: 2,978,045 km (0.089 R)
• M6: 3,424,146 km (0.098 R)
• M7: 4,124,114 km (0.12 R)
• M8: 5,338,250 km (0.038 R)
• M9: 5,756,227 km (0.097 R)
• M10: 7,112,930 km (0.057 R)
• M11: 7,949,631 km (0.119 R)
• M12: 8,995,470 km (0.118 R)
• M13: 9,935,243 km (0.106 R)
• M14: 11,834,239 km (0.094 R)
• M15: 12,731,228 km (0.092 R)
• M16: 16,284,476 km (0.088 R)
• M17: 16,777,700 km (0.113 R)
• M18: 17,851,664 km (0.065 R)
• M19: 18,671,909 km (0.037 R)
• M20: 19,887,092 km (0.112 R)
• M21: 21,025,233 km (0.103 R)
• M22: 22,006,595 km (0.035 R)
• M23: 22,745,309 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.5

Radius: 9.5

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.53 AU - 4.77 AU

Year: 5459 Days

Day: 7.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,390,231 km

• M1: 120,127 km (0.063 R)
• M2: 610,509 km (0.099 R)
• M3: 1,336,208 km (0.108 R)
• M4: 1,699,581 km (0.046 R)
• M5: 2,386,535 km (0.09 R)
• M6: 3,311,050 km (0.062 R)
• M7: 6,428,669 km (0.12 R)
• M8: 8,041,185 km (0.077 R)
• M9: 13,413,095 km (0.032 R)
• M10: 16,327,710 km (0.082 R)
• M11: 18,065,439 km (0.08 R)
• M12: 19,710,567 km (0.084 R)
• M13: 20,715,116 km (0.085 R)
• M14: 22,904,032 km (0.045 R)
• M15: 24,582,371 km (0.086 R)
• M16: 25,242,696 km (0.1 R)
• M17: 32,021,125 km (0.098 R)
• M18: 33,710,384 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.2

Radius: 10.4

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.03 AU - 4.71 AU

Year: 5898 Days

Day: 7.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,390,231 km

• M1: 129,402 km (0.116 R)
• M2: 564,283 km (0.078 R)
• M3: 1,540,260 km (0.114 R)
• M4: 2,452,507 km (0.117 R)
• M5: 2,867,492 km (0.058 R)
• M6: 3,387,793 km (0.119 R)
• M7: 3,839,878 km (0.032 R)
• M8: 4,426,003 km (0.077 R)
• M9: 4,967,547 km (0.092 R)
• M10: 6,609,384 km (0.092 R)
• M11: 7,351,389 km (0.053 R)
• M12: 7,794,797 km (0.095 R)
• M13: 9,469,396 km (0.104 R)
• M14: 11,872,985 km (0.046 R)
• M15: 13,215,625 km (0.101 R)
• M16: 16,030,160 km (0.086 R)
• M17: 16,544,777 km (0.11 R)
• M18: 17,248,335 km (0.089 R)
• M19: 18,777,674 km (0.057 R)
• M20: 23,685,532 km (0.119 R)
• M21: 24,579,080 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.7

Radius: 4.7

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 8.55 AU - 12.89 AU

Year: 22662 Days

Day: 23.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,390,231 km

• M1: 78,988 km (0.109 R)
• M2: 786,735 km (0.118 R)
• M3: 1,356,703 km (0.097 R)
• M4: 1,784,852 km (0.036 R)
• M5: 2,259,676 km (0.104 R)
• M6: 2,475,845 km (0.118 R)
• M7: 4,074,448 km (0.06 R)
• M8: 5,021,253 km (0.083 R)
• M9: 7,902,059 km (0.112 R)
• M10: 9,510,535 km (0.074 R)
• M11: 12,194,321 km (0.098 R)
• M12: 12,982,851 km (0.118 R)
• M13: 14,795,828 km (0.078 R)
• M14: 30,511,084 km (0.114 R)
• M15: 37,829,412 km (0.102 R)
• M16: 45,802,530 km (0.115 R)
• M17: 47,846,037 km (0.077 R)
• M18: 48,142,839 km (0.065 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366.5

Radius: 7.6

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 9.77 AU - 12.07 AU

Year: 23300 Days

Day: 20.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,390,231 km

• M1: 94,546 km (0.095 R)
• M2: 384,915 km (0.1 R)
• M3: 736,022 km (0.032 R)
• M4: 1,642,435 km (0.094 R)
• M5: 2,168,720 km (0.053 R)
• M6: 3,175,813 km (0.039 R)
• M7: 3,415,469 km (0.03 R)
• M8: 4,114,689 km (0.081 R)
• M9: 4,531,320 km (0.105 R)
• M10: 5,082,438 km (0.104 R)
• M11: 7,321,769 km (0.065 R)
• M12: 7,790,010 km (0.093 R)
• M13: 10,908,527 km (0.063 R)
• M14: 13,978,874 km (0.107 R)
• M15: 14,480,625 km (0.098 R)
• M16: 14,920,293 km (0.091 R)
• M17: 17,830,570 km (0.077 R)
• M18: 18,335,613 km (0.076 R)
• M19: 20,178,958 km (0.098 R)
• M20: 25,798,751 km (0.119 R)
• M21: 29,721,058 km (0.085 R)
• M22: 32,131,827 km (0.106 R)
• M23: 33,384,859 km (0.063 R)
• M24: 36,255,343 km (0.109 R)
• M25: 36,524,320 km (0.108 R)
• M26: 36,930,030 km (0.113 R)
• M27: 37,338,731 km (0.1 R)
• M28: 38,026,732 km (0.102 R)
• M29: 43,990,600 km (0.117 R)
• M30: 49,550,854 km (0.111 R)
• M31: 55,028,679 km (0.071 R)
• M32: 58,464,793 km (0.111 R)
• M33: 65,362,750 km (0.074 R)
• M34: 67,777,410 km (0.113 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 483 - 10,926 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit