🌌 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: 315

Radius: 11.3

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.7 AU - 0.72 AU

Year: 392 Days

Day: 5.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,030,170 km

• M1: 140,472 km (0.057 R)
• M2: 534,962 km (0.119 R)
• M3: 938,427 km (0.099 R)
• M4: 1,708,707 km (0.118 R)
• M5: 2,078,962 km (0.103 R)
• M6: 2,443,980 km (0.075 R)
• M7: 3,946,990 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.6

Radius: 12.8

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.73 AU - 0.77 AU

Year: 426 Days

Day: 14.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,030,170 km

• M1: 159,771 km (0.062 R)
• M2: 569,070 km (0.04 R)
• M3: 1,030,281 km (0.114 R)
• M4: 1,443,171 km (0.047 R)
• M5: 2,209,112 km (0.105 R)
• M6: 2,766,962 km (0.105 R)
• M7: 3,518,841 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.9

Radius: 13.3

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.36 AU - 2.2 AU

Year: 1558 Days

Day: 12 Hours

Environment

Temp: -182 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,030,170 km

• M1: 165,605 km (0.039 R)
• M2: 590,014 km (0.064 R)
• M3: 1,305,541 km (0.085 R)
• M4: 2,618,262 km (0.087 R)
• M5: 3,333,789 km (0.046 R)
• M6: 3,867,703 km (0.072 R)
• M7: 4,633,944 km (0.1 R)
• M8: 5,566,088 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.7

Radius: 11.9

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.74 AU - 1.86 AU

Year: 1584 Days

Day: 12.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,030,170 km

• M1: 147,952 km (0.11 R)
• M2: 582,833 km (0.04 R)
• M3: 1,165,218 km (0.109 R)
• M4: 1,769,444 km (0.033 R)
• M5: 2,213,899 km (0.079 R)
• M6: 2,659,252 km (0.039 R)
• M7: 3,332,592 km (0.109 R)
• M8: 3,889,844 km (0.077 R)
• M9: 4,632,747 km (0.11 R)
• M10: 5,019,607 km (0.117 R)
• M11: 5,488,297 km (0.111 R)
• M12: 5,964,766 km (0.117 R)
• M13: 6,742,675 km (0.115 R)
• M14: 7,662,852 km (0.065 R)
• M15: 8,419,817 km (0.073 R)
• M16: 8,858,438 km (0.107 R)
• M17: 10,266,902 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.6

Radius: 10.5

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.71 AU - 2.21 AU

Year: 1800 Days

Day: 10.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,030,170 km

• M1: 132,544 km (0.081 R)
• M2: 765,941 km (0.085 R)
• M3: 1,394,252 km (0.07 R)
• M4: 1,732,792 km (0.091 R)
• M5: 2,418,998 km (0.058 R)
• M6: 2,800,323 km (0.072 R)
• M7: 3,376,274 km (0.037 R)
• M8: 4,534,162 km (0.112 R)
• M9: 7,994,660 km (0.104 R)
• M10: 8,334,247 km (0.108 R)
• M11: 9,879,144 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.8

Radius: 14

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.34 AU - 2.5 AU

Year: 2470 Days

Day: 5.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,030,170 km

• M1: 174,132 km (0.034 R)
• M2: 624,721 km (0.085 R)
• M3: 1,094,458 km (0.03 R)
• M4: 2,383,543 km (0.094 R)
• M5: 2,893,971 km (0.074 R)
• M6: 3,386,746 km (0.097 R)
• M7: 4,791,171 km (0.064 R)
• M8: 5,663,775 km (0.112 R)
• M9: 6,726,369 km (0.107 R)
• M10: 7,259,685 km (0.091 R)
• M11: 8,996,816 km (0.091 R)
• M12: 9,535,368 km (0.115 R)
• M13: 10,559,216 km (0.072 R)
• M14: 14,554,676 km (0.093 R)
• M15: 14,997,935 km (0.102 R)
• M16: 16,487,780 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.8

Radius: 13.4

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.2 AU - 2.9 AU

Year: 2671 Days

Day: 7.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 98.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 55,030,170 km

• M1: 172,337 km (0.077 R)
• M2: 1,029,832 km (0.091 R)
• M3: 2,131,171 km (0.051 R)
• M4: 2,569,792 km (0.108 R)
• M5: 3,293,547 km (0.095 R)
• M6: 4,914,440 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.9

Radius: 9.9

Gravity: 8.5 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.18 AU - 6.46 AU

Year: 8050 Days

Day: 14.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,030,170 km

• M1: 125,961 km (0.109 R)
• M2: 531,970 km (0.042 R)
• M3: 917,035 km (0.094 R)
• M4: 1,363,435 km (0.033 R)
• M5: 2,065,049 km (0.079 R)
• M6: 3,301,326 km (0.096 R)
• M7: 4,309,167 km (0.106 R)
• M8: 6,548,048 km (0.093 R)
• M9: 7,508,317 km (0.04 R)
• M10: 13,580,345 km (0.065 R)
• M11: 14,437,691 km (0.09 R)
• M12: 16,328,159 km (0.028 R)
• M13: 17,156,632 km (0.109 R)
• M14: 21,560,793 km (0.098 R)
• M15: 22,642,087 km (0.057 R)
• M16: 23,067,543 km (0.114 R)
• M17: 24,198,652 km (0.077 R)
• M18: 25,825,230 km (0.108 R)
• M19: 26,477,028 km (0.064 R)
• M20: 29,496,362 km (0.078 R)
• M21: 31,456,243 km (0.098 R)
• M22: 35,064,095 km (0.079 R)
• M23: 41,041,877 km (0.112 R)
• M24: 42,057,497 km (0.112 R)
• M25: 42,442,561 km (0.111 R)
• M26: 43,350,321 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 594.4

Radius: 3.1

Gravity: 61.85 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 6.53 AU - 8.27 AU

Year: 13206 Days

Day: 23.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 55,030,170 km

• M1: 38,596 km (0.113 R)
• M2: 170,841 km (0.101 R)
• M3: 299,345 km (0.083 R)
• M4: 673,340 km (0.078 R)
• M5: 837,449 km (0.033 R)
• M6: 1,097,151 km (0.109 R)
• M7: 1,219,971 km (0.076 R)
• M8: 1,365,978 km (0.109 R)
• M9: 1,629,719 km (0.078 R)
• M10: 1,979,030 km (0.115 R)
• M11: 2,316,373 km (0.096 R)
• M12: 2,961,739 km (0.09 R)
• M13: 3,637,771 km (0.115 R)
• M14: 3,940,707 km (0.062 R)
• M15: 5,116,846 km (0.119 R)
• M16: 5,496,675 km (0.11 R)
• M17: 5,603,338 km (0.033 R)
• M18: 6,351,178 km (0.08 R)
• M19: 6,748,809 km (0.048 R)
• M20: 7,950,678 km (0.065 R)
• M21: 8,459,460 km (0.098 R)
• M22: 9,038,853 km (0.103 R)
• M23: 9,237,818 km (0.111 R)
• M24: 9,852,067 km (0.091 R)
• M25: 9,956,935 km (0.113 R)
• M26: 11,563,915 km (0.086 R)
• M27: 12,216,162 km (0.102 R)
• M28: 13,399,930 km (0.078 R)
• M29: 16,356,882 km (0.065 R)
• M30: 18,419,836 km (0.065 R)
• M31: 19,062,808 km (0.076 R)
• M32: 22,322,545 km (0.102 R)
• M33: 23,611,331 km (0.097 R)
• M34: 24,178,606 km (0.112 R)
• M35: 27,774,041 km (0.105 R)
• M36: 30,581,545 km (0.117 R)
• M37: 31,142,387 km (0.078 R)
• M38: 36,250,706 km (0.111 R)
• M39: 37,005,128 km (0.082 R)
• M40: 42,999,664 km (0.117 R)
• M41: 44,844,655 km (0.086 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 15,589 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit