🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.9

Radius: 10.6

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.49 AU - 0.53 AU

Year: 251 Days

Day: 14.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,864,343 km

• M1: 131,796 km (0.064 R)
• M2: 473,477 km (0.114 R)
• M3: 845,078 km (0.067 R)
• M4: 1,226,852 km (0.093 R)
• M5: 1,557,314 km (0.038 R)
• M6: 1,941,182 km (0.088 R)
• M7: 2,456,547 km (0.097 R)
• M8: 2,855,823 km (0.085 R)
• M9: 3,193,915 km (0.099 R)
• M10: 3,637,472 km (0.096 R)
• M11: 4,072,652 km (0.049 R)
• M12: 4,477,015 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.5

Radius: 14.7

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.5 AU - 0.7 AU

Year: 321 Days

Day: 8.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 86,864,343 km

• M1: 182,809 km (0.041 R)
• M2: 706,401 km (0.03 R)
• M3: 1,383,930 km (0.115 R)
• M4: 1,863,989 km (0.115 R)
• M5: 2,335,522 km (0.11 R)
• M6: 3,176,561 km (0.118 R)
• M7: 3,802,479 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.6

Radius: 11.8

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.79 AU - 1.21 AU

Year: 690 Days

Day: 7.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,864,343 km

• M1: 146,756 km (0.083 R)
• M2: 527,931 km (0.064 R)
• M3: 1,080,246 km (0.025 R)
• M4: 1,503,758 km (0.027 R)
• M5: 2,022,414 km (0.114 R)
• M6: 2,507,410 km (0.062 R)
• M7: 3,523,628 km (0.093 R)
• M8: 4,036,001 km (0.112 R)
• M9: 4,478,212 km (0.052 R)
• M10: 5,194,487 km (0.118 R)
• M11: 5,754,282 km (0.103 R)
• M12: 6,223,271 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.4

Radius: 7.5

Gravity: 15.19 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.19 AU - 5.91 AU

Year: 9025 Days

Day: 20.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,864,343 km

• M1: 93,349 km (0.078 R)
• M2: 388,057 km (0.116 R)
• M3: 1,160,431 km (0.075 R)
• M4: 2,281,517 km (0.081 R)
• M5: 3,148,138 km (0.111 R)
• M6: 3,681,903 km (0.113 R)
• M7: 5,580,001 km (0.084 R)
• M8: 9,574,264 km (0.082 R)
• M9: 10,796,179 km (0.065 R)
• M10: 12,349,304 km (0.099 R)
• M11: 14,364,388 km (0.071 R)
• M12: 15,755,349 km (0.048 R)
• M13: 17,598,843 km (0.098 R)
• M14: 19,424,087 km (0.067 R)
• M15: 21,963,959 km (0.069 R)
• M16: 31,327,888 km (0.106 R)
• M17: 33,883,319 km (0.114 R)
• M18: 44,943,688 km (0.066 R)
• M19: 46,194,626 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 725

Radius: 3

Gravity: 80.56 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.64 AU - 6.86 AU

Year: 10785 Days

Day: 23 Hours

Environment

Temp: -238 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 86,864,343 km

• M1: 37,399 km (0.116 R)
• M2: 158,125 km (0.119 R)
• M3: 255,513 km (0.095 R)
• M4: 637,736 km (0.098 R)
• M5: 839,394 km (0.052 R)
• M6: 1,014,423 km (0.062 R)
• M7: 1,128,417 km (0.105 R)
• M8: 1,751,193 km (0.059 R)
• M9: 1,984,565 km (0.098 R)
• M10: 2,145,383 km (0.094 R)
• M11: 2,432,461 km (0.068 R)
• M12: 2,554,234 km (0.051 R)
• M13: 2,701,438 km (0.064 R)
• M14: 2,809,897 km (0.059 R)
• M15: 3,733,065 km (0.119 R)
• M16: 3,950,431 km (0.101 R)
• M17: 6,847,095 km (0.047 R)
• M18: 7,550,953 km (0.079 R)
• M19: 8,393,338 km (0.115 R)
• M20: 11,461,890 km (0.083 R)
• M21: 12,873,645 km (0.108 R)
• M22: 13,119,733 km (0.114 R)
• M23: 14,331,476 km (0.096 R)
• M24: 17,721,065 km (0.057 R)
• M25: 19,844,158 km (0.085 R)
• M26: 22,750,994 km (0.076 R)
• M27: 26,321,297 km (0.118 R)
• M28: 26,618,099 km (0.079 R)
• M29: 27,017,375 km (0.099 R)
• M30: 32,011,102 km (0.107 R)
• M31: 33,377,978 km (0.03 R)
• M32: 33,958,866 km (0.051 R)
• M33: 37,212,321 km (0.041 R)
• M34: 38,978,174 km (0.099 R)
• M35: 45,172,723 km (0.115 R)
• M36: 48,206,567 km (0.102 R)
• M37: 48,799,274 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 846.5

Radius: 7.4

Gravity: 15.46 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.53 AU - 8.47 AU

Year: 15619 Days

Day: 22.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,864,343 km

• M1: 92,900 km (0.103 R)
• M2: 325,375 km (0.044 R)
• M3: 566,378 km (0.099 R)
• M4: 933,341 km (0.074 R)
• M5: 1,676,095 km (0.079 R)
• M6: 4,069,062 km (0.086 R)
• M7: 5,823,396 km (0.083 R)
• M8: 7,134,921 km (0.093 R)
• M9: 9,703,516 km (0.111 R)
• M10: 10,860,357 km (0.083 R)
• M11: 11,471,913 km (0.103 R)
• M12: 11,977,703 km (0.104 R)
• M13: 20,427,888 km (0.106 R)
• M14: 21,931,347 km (0.079 R)
• M15: 22,808,739 km (0.095 R)
• M16: 29,148,547 km (0.118 R)
• M17: 46,417,826 km (0.12 R)
• M18: 48,186,970 km (0.088 R)
• M19: 51,859,448 km (0.117 R)
• M20: 63,204,352 km (0.096 R)
• M21: 64,185,266 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 887.2

Radius: 4

Gravity: 55.45 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.94 AU - 10.82 AU

Year: 21436 Days

Day: 24.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 86,864,343 km

• M1: 49,816 km (0.093 R)
• M2: 192,383 km (0.109 R)
• M3: 461,360 km (0.106 R)
• M4: 1,373,907 km (0.103 R)
• M5: 2,211,206 km (0.048 R)
• M6: 2,512,945 km (0.084 R)
• M7: 4,271,318 km (0.116 R)
• M8: 6,165,377 km (0.067 R)
• M9: 6,390,223 km (0.117 R)
• M10: 6,761,225 km (0.106 R)
• M11: 7,245,174 km (0.076 R)
• M12: 9,005,642 km (0.08 R)
• M13: 10,325,993 km (0.088 R)
• M14: 11,098,068 km (0.091 R)
• M15: 14,103,190 km (0.105 R)
• M16: 16,988,334 km (0.116 R)
• M17: 17,430,097 km (0.101 R)
• M18: 17,970,444 km (0.089 R)
• M19: 21,448,894 km (0.112 R)
• M20: 28,075,930 km (0.109 R)
• M21: 38,916,390 km (0.097 R)
• M22: 39,068,980 km (0.076 R)
• M23: 40,774,246 km (0.087 R)
• M24: 50,773,517 km (0.077 R)
• M25: 51,321,494 km (0.115 R)
• M26: 54,501,795 km (0.107 R)
• M27: 55,654,896 km (0.072 R)
• M28: 55,848,625 km (0.106 R)
• M29: 75,189,835 km (0.186 R)
• M30: 82,009,403 km (0.046 R)
• M31: 85,826,692 km (0.073 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: 345 - 14,813 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit