🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.9

Radius: 8.3

Gravity: 13.32 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.49 AU - 0.69 AU

Year: 302 Days

Day: 14.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,898,233 km

• M1: 103,522 km (0.115 R)
• M2: 372,349 km (0.096 R)
• M3: 723,754 km (0.076 R)
• M4: 1,068,278 km (0.082 R)
• M5: 1,413,999 km (0.083 R)
• M6: 2,197,294 km (0.094 R)
• M7: 3,059,725 km (0.097 R)
• M8: 3,321,073 km (0.109 R)
• M9: 3,741,293 km (0.111 R)
• M10: 4,196,669 km (0.118 R)
• M11: 4,589,812 km (0.061 R)
• M12: 4,860,734 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.2

Radius: 8.1

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.66 AU - 0.66 AU

Year: 358 Days

Day: 7.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,898,233 km

• M1: 100,679 km (0.113 R)
• M2: 352,901 km (0.053 R)
• M3: 710,590 km (0.105 R)
• M4: 1,050,775 km (0.1 R)
• M5: 1,504,805 km (0.115 R)
• M6: 1,781,711 km (0.11 R)
• M7: 2,167,673 km (0.064 R)
• M8: 2,430,816 km (0.12 R)
• M9: 2,715,501 km (0.064 R)
• M10: 3,011,854 km (0.06 R)
• M11: 3,375,227 km (0.069 R)
• M12: 3,842,421 km (0.099 R)
• M13: 4,177,371 km (0.108 R)
• M14: 4,602,079 km (0.102 R)
• M15: 5,100,689 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.6

Radius: 10.7

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.06 AU - 1.14 AU

Year: 769 Days

Day: 5.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,898,233 km

• M1: 135,685 km (0.033 R)
• M2: 527,033 km (0.096 R)
• M3: 953,238 km (0.071 R)
• M4: 1,349,971 km (0.105 R)
• M5: 2,121,298 km (0.093 R)
• M6: 2,813,038 km (0.057 R)
• M7: 3,260,186 km (0.067 R)
• M8: 4,068,912 km (0.102 R)
• M9: 4,460,859 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.1

Radius: 10.5

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.05 AU - 4.31 AU

Year: 5699 Days

Day: 12.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,898,233 km

• M1: 132,245 km (0.03 R)
• M2: 511,176 km (0.052 R)
• M3: 913,445 km (0.115 R)
• M4: 1,620,743 km (0.118 R)
• M5: 2,170,366 km (0.03 R)
• M6: 2,632,175 km (0.106 R)
• M7: 3,681,005 km (0.078 R)
• M8: 6,339,958 km (0.097 R)
• M9: 7,086,601 km (0.113 R)
• M10: 8,108,803 km (0.109 R)
• M11: 9,930,606 km (0.119 R)
• M12: 13,283,842 km (0.103 R)
• M13: 14,135,652 km (0.1 R)
• M14: 14,833,377 km (0.11 R)
• M15: 17,221,408 km (0.083 R)
• M16: 17,749,339 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.7

Radius: 10.8

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.89 AU - 5.39 AU

Year: 7771 Days

Day: 8.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,898,233 km

• M1: 134,937 km (0.03 R)
• M2: 487,091 km (0.106 R)
• M3: 975,677 km (0.044 R)
• M4: 1,855,462 km (0.047 R)
• M5: 2,332,081 km (0.102 R)
• M6: 2,872,878 km (0.058 R)
• M7: 4,142,215 km (0.113 R)
• M8: 5,620,392 km (0.047 R)
• M9: 6,479,383 km (0.04 R)
• M10: 7,017,038 km (0.031 R)
• M11: 9,358,394 km (0.07 R)
• M12: 10,046,095 km (0.058 R)
• M13: 10,726,317 km (0.059 R)
• M14: 13,044,934 km (0.075 R)
• M15: 14,099,001 km (0.074 R)
• M16: 14,697,392 km (0.091 R)
• M17: 17,602,284 km (0.113 R)
• M18: 18,888,377 km (0.094 R)
• M19: 19,924,492 km (0.106 R)
• M20: 22,646,126 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.1

Radius: 3.4

Gravity: 23.45 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 6.75 AU - 8.87 AU

Year: 14555 Days

Day: 17.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 90,898,233 km

• M1: 45,179 km (0.035 R)
• M2: 158,424 km (0.109 R)
• M3: 448,644 km (0.104 R)
• M4: 1,213,388 km (0.028 R)
• M5: 1,755,232 km (0.107 R)
• M6: 4,239,903 km (0.119 R)
• M7: 5,420,080 km (0.037 R)
• M8: 5,892,361 km (0.079 R)
• M9: 6,138,599 km (0.111 R)
• M10: 6,391,569 km (0.12 R)
• M11: 10,443,727 km (0.073 R)
• M12: 15,201,088 km (0.105 R)
• M13: 16,272,359 km (0.042 R)
• M14: 16,686,745 km (0.037 R)
• M15: 21,224,647 km (0.027 R)
• M16: 22,390,313 km (0.115 R)
• M17: 30,605,181 km (0.069 R)
• M18: 32,198,548 km (0.036 R)
• M19: 36,834,137 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.3

Radius: 7.4

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 9.18 AU - 10.14 AU

Year: 20021 Days

Day: 16 Hours

Environment

Temp: -237 °C

Axial Tilt: 107.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 90,898,233 km

• M1: 108,010 km (0.062 R)
• M2: 529,576 km (0.06 R)
• M3: 1,054,366 km (0.057 R)
• M4: 1,560,904 km (0.06 R)
• M5: 2,067,592 km (0.11 R)
• M6: 2,441,886 km (0.081 R)
• M7: 4,016,104 km (0.12 R)
• M8: 4,863,277 km (0.089 R)
• M9: 9,410,903 km (0.082 R)
• M10: 10,216,936 km (0.095 R)
• M11: 11,362,108 km (0.088 R)
• M12: 13,040,746 km (0.109 R)
• M13: 18,069,328 km (0.064 R)
• M14: 19,142,843 km (0.077 R)
• M15: 21,689,447 km (0.042 R)
• M16: 23,091,479 km (0.093 R)
• M17: 24,453,567 km (0.068 R)
• M18: 35,648,724 km (0.086 R)
• M19: 37,729,630 km (0.059 R)
• M20: 38,935,090 km (0.116 R)
• M21: 44,013,938 km (0.086 R)
• M22: 52,598,611 km (0.095 R)
• M23: 56,323,598 km (0.037 R)
• M24: 59,678,929 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923.2

Radius: 4.9

Gravity: 38.45 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 9.21 AU - 11.67 AU

Year: 22495 Days

Day: 18.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 90,898,233 km

• M1: 61,186 km (0.067 R)
• M2: 234,121 km (0.1 R)
• M3: 454,329 km (0.116 R)
• M4: 664,514 km (0.119 R)
• M5: 963,709 km (0.08 R)
• M6: 2,819,770 km (0.083 R)
• M7: 3,631,189 km (0.106 R)
• M8: 4,298,994 km (0.119 R)
• M9: 6,985,024 km (0.107 R)
• M10: 8,673,984 km (0.12 R)
• M11: 10,296,373 km (0.083 R)
• M12: 12,110,546 km (0.1 R)
• M13: 13,893,005 km (0.056 R)
• M14: 17,968,350 km (0.081 R)
• M15: 20,176,414 km (0.091 R)
• M16: 21,293,761 km (0.081 R)
• M17: 30,292,671 km (0.082 R)
• M18: 35,543,556 km (0.066 R)
• M19: 37,019,788 km (0.087 R)
• M20: 40,888,240 km (0.105 R)
• M21: 41,692,927 km (0.042 R)
• M22: 41,855,091 km (0.112 R)
• M23: 44,002,269 km (0.119 R)
• M24: 45,359,421 km (0.056 R)
• M25: 47,978,879 km (0.101 R)
• M26: 48,514,589 km (0.115 R)
• M27: 49,597,977 km (0.073 R)
• M28: 50,513,067 km (0.075 R)
• M29: 66,060,774 km (0.093 R)
• M30: 68,062,992 km (0.088 R)
• M31: 69,419,994 km (0.118 R)
• M32: 70,564,418 km (0.083 R)
• M33: 73,126,581 km (0.094 R)
• M34: 73,835,974 km (0.201 R)
• M35: 86,343,852 km (0.117 R)
• M36: 89,812,578 km (0.088 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 16,660 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit