🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.59 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.5

Radius: 12.6

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.84 AU - 3.52 AU

Year: 3914 Days

Day: 8 Hours

Environment

Temp: -205 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,269,047 km

• M1: 156,779 km (0.087 R)
• M2: 705,803 km (0.111 R)
• M3: 1,117,047 km (0.11 R)
• M4: 2,182,483 km (0.059 R)
• M5: 2,791,795 km (0.029 R)
• M6: 3,430,429 km (0.037 R)
• M7: 6,563,307 km (0.095 R)
• M8: 8,072,152 km (0.089 R)
• M9: 8,987,092 km (0.098 R)
• M10: 11,022,820 km (0.113 R)
• M11: 11,501,533 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.5

Radius: 8.5

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.77 AU - 4.55 AU

Year: 4833 Days

Day: 11.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,269,047 km

• M1: 106,813 km (0.114 R)
• M2: 444,904 km (0.107 R)
• M3: 2,037,523 km (0.056 R)
• M4: 2,450,264 km (0.05 R)
• M5: 3,103,707 km (0.032 R)
• M6: 3,729,774 km (0.06 R)
• M7: 4,965,004 km (0.11 R)
• M8: 5,356,202 km (0.054 R)
• M9: 6,284,008 km (0.07 R)
• M10: 6,712,905 km (0.066 R)
• M11: 6,979,489 km (0.097 R)
• M12: 15,050,593 km (0.083 R)
• M13: 17,769,833 km (0.092 R)
• M14: 18,339,053 km (0.102 R)
• M15: 19,573,834 km (0.1 R)
• M16: 19,997,346 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.4

Radius: 10.9

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.86 AU - 4.52 AU

Year: 5920 Days

Day: 9.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,269,047 km

• M1: 135,536 km (0.097 R)
• M2: 639,381 km (0.105 R)
• M3: 1,071,420 km (0.115 R)
• M4: 1,475,035 km (0.111 R)
• M5: 1,814,323 km (0.097 R)
• M6: 2,490,206 km (0.104 R)
• M7: 3,563,272 km (0.076 R)
• M8: 4,013,860 km (0.084 R)
• M9: 4,361,526 km (0.12 R)
• M10: 5,297,560 km (0.068 R)
• M11: 5,910,612 km (0.07 R)
• M12: 6,518,129 km (0.107 R)
• M13: 7,307,108 km (0.115 R)
• M14: 7,769,066 km (0.081 R)
• M15: 9,406,565 km (0.051 R)
• M16: 11,149,529 km (0.09 R)
• M17: 12,197,163 km (0.09 R)
• M18: 12,806,924 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425.6

Radius: 5.6

Gravity: 13.57 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.34 AU - 6.82 AU

Year: 9098 Days

Day: 18.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,269,047 km

• M1: 87,814 km (0.036 R)
• M2: 264,639 km (0.042 R)
• M3: 727,943 km (0.046 R)
• M4: 1,222,813 km (0.101 R)
• M5: 1,799,214 km (0.075 R)
• M6: 2,711,761 km (0.068 R)
• M7: 3,633,283 km (0.1 R)
• M8: 4,256,359 km (0.093 R)
• M9: 5,776,722 km (0.107 R)
• M10: 5,972,845 km (0.063 R)
• M11: 8,023,083 km (0.103 R)
• M12: 9,655,047 km (0.073 R)
• M13: 12,283,481 km (0.106 R)
• M14: 12,717,764 km (0.118 R)
• M15: 13,789,932 km (0.059 R)
• M16: 15,043,861 km (0.107 R)
• M17: 18,755,534 km (0.029 R)
• M18: 20,669,339 km (0.087 R)
• M19: 22,871,869 km (0.05 R)
• M20: 23,446,025 km (0.069 R)
• M21: 23,695,106 km (0.078 R)
• M22: 26,731,644 km (0.098 R)
• M23: 28,202,191 km (0.104 R)
• M24: 31,706,969 km (0.031 R)
• M25: 35,600,404 km (0.053 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 338.6

Radius: 3.8

Gravity: 23.45 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.17 AU - 8.23 AU

Year: 11971 Days

Day: 23.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,269,047 km

• M1: 47,273 km (0.104 R)
• M2: 232,026 km (0.107 R)
• M3: 1,526,048 km (0.117 R)
• M4: 3,707,783 km (0.089 R)
• M5: 10,072,425 km (0.091 R)
• M6: 24,717,308 km (0.109 R)
• M7: 31,161,685 km (0.041 R)
• M8: 32,636,421 km (0.12 R)
• M9: 34,934,693 km (0.034 R)
• M10: 36,640,857 km (0.102 R)
• M11: 40,464,728 km (0.096 R)
• M12: 42,218,015 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.4

Radius: 7.2

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.08 AU - 7.26 AU

Year: 13252 Days

Day: 18.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,269,047 km

• M1: 89,908 km (0.118 R)
• M2: 371,003 km (0.11 R)
• M3: 743,950 km (0.1 R)
• M4: 1,294,620 km (0.051 R)
• M5: 1,948,961 km (0.072 R)
• M6: 2,188,467 km (0.054 R)
• M7: 2,669,724 km (0.107 R)
• M8: 4,143,711 km (0.11 R)
• M9: 5,325,235 km (0.1 R)
• M10: 6,645,137 km (0.119 R)
• M11: 6,969,914 km (0.101 R)
• M12: 7,343,011 km (0.113 R)
• M13: 10,775,834 km (0.072 R)
• M14: 14,660,891 km (0.078 R)
• M15: 15,026,657 km (0.064 R)
• M16: 16,290,011 km (0.058 R)
• M17: 16,814,651 km (0.051 R)
• M18: 19,829,796 km (0.064 R)
• M19: 29,143,610 km (0.069 R)
• M20: 30,209,944 km (0.101 R)
• M21: 30,703,168 km (0.092 R)
• M22: 33,565,125 km (0.093 R)
• M23: 38,529,231 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572

Radius: 4.7

Gravity: 25.89 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 8.37 AU - 11.45 AU

Year: 21534 Days

Day: 24.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 75,269,047 km

• M1: 68,366 km (0.097 R)
• M2: 292,464 km (0.108 R)
• M3: 447,896 km (0.11 R)
• M4: 1,059,602 km (0.065 R)
• M5: 2,129,974 km (0.091 R)
• M6: 2,785,961 km (0.093 R)
• M7: 4,350,456 km (0.096 R)
• M8: 4,944,509 km (0.095 R)
• M9: 5,512,083 km (0.056 R)
• M10: 6,080,106 km (0.067 R)
• M11: 7,003,873 km (0.11 R)
• M12: 8,068,112 km (0.076 R)
• M13: 8,691,935 km (0.116 R)
• M14: 9,291,524 km (0.105 R)
• M15: 12,300,535 km (0.027 R)
• M16: 12,777,453 km (0.059 R)
• M17: 13,768,090 km (0.103 R)
• M18: 15,741,885 km (0.082 R)
• M19: 16,630,945 km (0.09 R)
• M20: 19,590,140 km (0.074 R)
• M21: 20,334,240 km (0.077 R)
• M22: 21,583,083 km (0.061 R)
• M23: 25,745,345 km (0.1 R)
• M24: 33,204,594 km (0.093 R)
• M25: 36,301,718 km (0.055 R)
• M26: 37,281,136 km (0.049 R)
• M27: 37,706,293 km (0.046 R)
• M28: 38,566,331 km (0.095 R)
• M29: 39,292,778 km (0.052 R)
• M30: 41,224,536 km (0.115 R)
• M31: 45,436,912 km (0.092 R)
• M32: 45,759,894 km (0.115 R)
• M33: 57,674,317 km (0.107 R)
• M34: 67,016,705 km (0.115 R)
• M35: 67,225,693 km (0.058 R)
• M36: 69,768,109 km (0.064 R)
• M37: 71,498,208 km (0.109 R)
• M38: 74,146,539 km (0.06 R)
• M39: 74,594,136 km (0.092 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 19,010 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit