🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.7

Radius: 12.7

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.6 AU - 0.82 AU

Year: 406 Days

Day: 5.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 57,118,378 km

• M1: 158,275 km (0.067 R)
• M2: 590,164 km (0.064 R)
• M3: 998,865 km (0.115 R)
• M4: 1,672,654 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.5

Radius: 12.5

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.91 AU - 1.47 AU

Year: 880 Days

Day: 6.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,118,378 km

• M1: 155,432 km (0.077 R)
• M2: 557,102 km (0.077 R)
• M3: 947,852 km (0.094 R)
• M4: 1,703,022 km (0.092 R)
• M5: 2,281,816 km (0.041 R)
• M6: 2,866,146 km (0.094 R)
• M7: 3,809,061 km (0.076 R)
• M8: 4,369,455 km (0.12 R)
• M9: 4,931,045 km (0.103 R)
• M10: 5,617,550 km (0.067 R)
• M11: 6,116,907 km (0.05 R)
• M12: 6,602,203 km (0.116 R)
• M13: 6,999,984 km (0.062 R)
• M14: 7,413,771 km (0.099 R)
• M15: 7,941,702 km (0.058 R)
• M16: 8,912,892 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.9

Radius: 13.2

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.08 AU - 1.32 AU

Year: 892 Days

Day: 10 Hours

Environment

Temp: -179 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,118,378 km

• M1: 167,849 km (0.09 R)
• M2: 703,260 km (0.063 R)
• M3: 1,351,617 km (0.077 R)
• M4: 2,326,097 km (0.053 R)
• M5: 3,928,590 km (0.071 R)
• M6: 4,798,202 km (0.111 R)
• M7: 5,269,435 km (0.094 R)
• M8: 6,349,682 km (0.114 R)
• M9: 6,779,476 km (0.093 R)
• M10: 7,572,644 km (0.063 R)
• M11: 8,161,162 km (0.057 R)
• M12: 9,257,864 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.9

Radius: 11.7

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.24 AU - 1.98 AU

Year: 1386 Days

Day: 14.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,118,378 km

• M1: 145,559 km (0.107 R)
• M2: 809,624 km (0.093 R)
• M3: 1,372,261 km (0.083 R)
• M4: 2,273,140 km (0.05 R)
• M5: 2,831,588 km (0.1 R)
• M6: 3,667,392 km (0.106 R)
• M7: 4,150,892 km (0.11 R)
• M8: 4,596,694 km (0.11 R)
• M9: 5,194,636 km (0.111 R)
• M10: 5,566,986 km (0.103 R)
• M11: 6,689,418 km (0.074 R)
• M12: 7,131,181 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58

Radius: 11.9

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.65 AU - 2.39 AU

Year: 1947 Days

Day: 12.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,118,378 km

• M1: 148,401 km (0.114 R)
• M2: 675,734 km (0.081 R)
• M3: 1,727,107 km (0.107 R)
• M4: 2,211,655 km (0.064 R)
• M5: 2,908,183 km (0.108 R)
• M6: 4,193,079 km (0.119 R)
• M7: 5,262,554 km (0.098 R)
• M8: 6,447,070 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.4

Radius: 14

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.98 AU - 2.5 AU

Year: 2274 Days

Day: 6.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,118,378 km

• M1: 174,132 km (0.053 R)
• M2: 624,122 km (0.106 R)
• M3: 1,185,713 km (0.084 R)
• M4: 1,893,311 km (0.091 R)
• M5: 2,571,887 km (0.112 R)
• M6: 3,720,050 km (0.09 R)
• M7: 5,696,388 km (0.118 R)
• M8: 6,316,770 km (0.054 R)
• M9: 6,982,032 km (0.092 R)
• M10: 7,634,877 km (0.116 R)
• M11: 8,547,574 km (0.11 R)
• M12: 10,372,368 km (0.118 R)
• M13: 12,444,748 km (0.06 R)
• M14: 12,898,628 km (0.082 R)
• M15: 15,103,251 km (0.117 R)
• M16: 16,491,520 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.1

Radius: 11.1

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.3 AU - 3.76 AU

Year: 3577 Days

Day: 6.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,118,378 km

• M1: 138,079 km (0.095 R)
• M2: 643,720 km (0.115 R)
• M3: 1,221,616 km (0.09 R)
• M4: 1,838,857 km (0.109 R)
• M5: 2,608,837 km (0.078 R)
• M6: 3,042,970 km (0.074 R)
• M7: 3,562,972 km (0.082 R)
• M8: 3,914,976 km (0.072 R)
• M9: 4,442,758 km (0.088 R)
• M10: 5,385,823 km (0.091 R)
• M11: 10,446,719 km (0.088 R)
• M12: 11,380,957 km (0.11 R)
• M13: 12,458,511 km (0.118 R)
• M14: 13,935,490 km (0.056 R)
• M15: 14,617,058 km (0.109 R)
• M16: 16,959,462 km (0.115 R)
• M17: 17,736,623 km (0.108 R)
• M18: 18,653,508 km (0.085 R)
• M19: 19,064,603 km (0.115 R)
• M20: 19,421,693 km (0.114 R)
• M21: 19,783,271 km (0.109 R)
• M22: 20,706,888 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.1

Radius: 11.2

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.08 AU - 4.06 AU

Year: 4575 Days

Day: 11.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,118,378 km

• M1: 139,276 km (0.107 R)
• M2: 705,504 km (0.082 R)
• M3: 1,564,644 km (0.071 R)
• M4: 1,967,362 km (0.097 R)
• M5: 2,471,656 km (0.088 R)
• M6: 2,896,215 km (0.096 R)
• M7: 4,005,483 km (0.099 R)
• M8: 4,644,715 km (0.116 R)
• M9: 5,350,667 km (0.115 R)
• M10: 5,948,161 km (0.091 R)
• M11: 7,516,096 km (0.102 R)
• M12: 8,414,880 km (0.108 R)
• M13: 9,957,982 km (0.116 R)
• M14: 11,358,667 km (0.095 R)
• M15: 11,775,297 km (0.095 R)
• M16: 13,289,078 km (0.092 R)
• M17: 13,856,204 km (0.116 R)
• M18: 17,057,748 km (0.028 R)
• M19: 17,421,121 km (0.118 R)
• M20: 18,606,086 km (0.044 R)
• M21: 20,044,469 km (0.107 R)
• M22: 21,485,246 km (0.112 R)
• M23: 28,027,311 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377.2

Radius: 7.4

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5.84 AU - 6.2 AU

Year: 10018 Days

Day: 23.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,118,378 km

• M1: 92,003 km (0.091 R)
• M2: 356,941 km (0.117 R)
• M3: 864,526 km (0.089 R)
• M4: 1,151,604 km (0.031 R)
• M5: 1,489,546 km (0.105 R)
• M6: 1,745,957 km (0.111 R)
• M7: 2,314,129 km (0.108 R)
• M8: 2,917,158 km (0.107 R)
• M9: 3,322,270 km (0.062 R)
• M10: 4,909,653 km (0.085 R)
• M11: 5,421,128 km (0.116 R)
• M12: 6,135,158 km (0.117 R)
• M13: 6,374,964 km (0.076 R)
• M14: 7,474,957 km (0.048 R)
• M15: 8,358,482 km (0.102 R)
• M16: 9,354,654 km (0.05 R)
• M17: 10,969,114 km (0.047 R)
• M18: 11,221,187 km (0.038 R)
• M19: 12,816,498 km (0.071 R)
• M20: 13,266,190 km (0.069 R)
• M21: 14,316,516 km (0.117 R)
• M22: 17,115,792 km (0.112 R)
• M23: 18,288,639 km (0.092 R)
• M24: 20,870,399 km (0.078 R)
• M25: 21,571,714 km (0.103 R)
• M26: 23,103,446 km (0.087 R)
• M27: 23,769,606 km (0.052 R)
• M28: 28,510,213 km (0.057 R)
• M29: 29,664,809 km (0.089 R)
• M30: 36,801,974 km (0.056 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.3

Radius: 5.1

Gravity: 11.74 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 8.07 AU - 10.69 AU

Year: 19485 Days

Day: 17.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,118,378 km

• M1: 63,579 km (0.111 R)
• M2: 223,350 km (0.096 R)
• M3: 418,874 km (0.053 R)
• M4: 987,346 km (0.104 R)
• M5: 1,412,204 km (0.064 R)
• M6: 2,040,216 km (0.12 R)
• M7: 2,659,401 km (0.082 R)
• M8: 3,742,340 km (0.094 R)
• M9: 5,332,117 km (0.089 R)
• M10: 5,508,942 km (0.078 R)
• M11: 5,800,059 km (0.06 R)
• M12: 6,694,056 km (0.105 R)
• M13: 7,067,751 km (0.04 R)
• M14: 7,324,461 km (0.091 R)
• M15: 7,856,581 km (0.086 R)
• M16: 8,849,312 km (0.083 R)
• M17: 9,817,211 km (0.1 R)
• M18: 10,190,906 km (0.075 R)
• M19: 11,253,201 km (0.048 R)
• M20: 12,142,410 km (0.095 R)
• M21: 13,334,855 km (0.059 R)
• M22: 17,377,588 km (0.076 R)
• M23: 19,717,299 km (0.113 R)
• M24: 27,035,028 km (0.094 R)
• M25: 28,839,627 km (0.064 R)
• M26: 37,634,336 km (0.114 R)
• M27: 37,894,038 km (0.109 R)
• M28: 40,557,180 km (0.12 R)
• M29: 40,967,078 km (0.106 R)
• M30: 42,353,551 km (0.056 R)
• M31: 44,927,532 km (0.059 R)
• M32: 49,757,299 km (0.075 R)
• M33: 52,458,737 km (0.112 R)
• M34: 57,118,412 km (0.093 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 11,155 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit