🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.5

Radius: 13.5

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.98 AU - 1.14 AU

Year: 728 Days

Day: 5.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 88,029,286 km

• M1: 167,849 km (0.119 R)
• M2: 601,383 km (0.075 R)
• M3: 1,454,839 km (0.107 R)
• M4: 2,486,466 km (0.113 R)
• M5: 3,203,040 km (0.102 R)
• M6: 3,623,410 km (0.095 R)
• M7: 4,108,406 km (0.051 R)
• M8: 4,636,636 km (0.066 R)
• M9: 5,761,164 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.8

Radius: 10.3

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.32 AU - 2.7 AU

Year: 2652 Days

Day: 10.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 88,029,286 km

• M1: 131,646 km (0.051 R)
• M2: 483,052 km (0.079 R)
• M3: 832,662 km (0.104 R)
• M4: 1,650,065 km (0.08 R)
• M5: 2,008,950 km (0.034 R)
• M6: 2,520,575 km (0.043 R)
• M7: 5,387,019 km (0.084 R)
• M8: 5,764,904 km (0.047 R)
• M9: 6,269,048 km (0.06 R)
• M10: 6,918,303 km (0.119 R)
• M11: 7,768,767 km (0.077 R)
• M12: 8,153,982 km (0.041 R)
• M13: 9,972,792 km (0.094 R)
• M14: 10,505,510 km (0.113 R)
• M15: 11,920,557 km (0.078 R)
• M16: 12,304,126 km (0.116 R)
• M17: 12,917,327 km (0.11 R)
• M18: 13,596,651 km (0.106 R)
• M19: 17,193,582 km (0.078 R)
• M20: 17,793,919 km (0.118 R)
• M21: 18,239,272 km (0.065 R)
• M22: 18,578,111 km (0.079 R)
• M23: 19,210,311 km (0.11 R)
• M24: 20,095,482 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729

Radius: 9.4

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.09 AU - 3.05 AU

Year: 2747 Days

Day: 11.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,029,286 km

• M1: 117,434 km (0.078 R)
• M2: 442,062 km (0.112 R)
• M3: 1,013,825 km (0.117 R)
• M4: 1,651,411 km (0.077 R)
• M5: 2,198,042 km (0.096 R)
• M6: 3,319,427 km (0.111 R)
• M7: 4,255,311 km (0.085 R)
• M8: 5,558,758 km (0.1 R)
• M9: 6,056,320 km (0.041 R)
• M10: 7,986,432 km (0.068 R)
• M11: 9,002,800 km (0.12 R)
• M12: 11,875,977 km (0.027 R)
• M13: 15,665,590 km (0.118 R)
• M14: 18,254,979 km (0.092 R)
• M15: 19,950,821 km (0.081 R)
• M16: 20,559,086 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.4

Radius: 9.5

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.51 AU - 2.67 AU

Year: 2780 Days

Day: 12.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,029,286 km

• M1: 118,631 km (0.115 R)
• M2: 426,055 km (0.105 R)
• M3: 928,554 km (0.061 R)
• M4: 1,540,110 km (0.117 R)
• M5: 2,031,090 km (0.08 R)
• M6: 2,360,505 km (0.115 R)
• M7: 2,815,282 km (0.091 R)
• M8: 3,260,486 km (0.066 R)
• M9: 3,660,809 km (0.112 R)
• M10: 5,108,019 km (0.116 R)
• M11: 5,649,863 km (0.049 R)
• M12: 6,125,883 km (0.09 R)
• M13: 6,466,817 km (0.083 R)
• M14: 7,419,007 km (0.101 R)
• M15: 9,669,857 km (0.066 R)
• M16: 10,315,222 km (0.111 R)
• M17: 11,027,158 km (0.034 R)
• M18: 11,892,133 km (0.072 R)
• M19: 16,552,855 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.2

Radius: 9.9

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.2 AU - 3.1 AU

Year: 2877 Days

Day: 6.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 88,029,286 km

• M1: 123,119 km (0.069 R)
• M2: 639,531 km (0.104 R)
• M3: 1,223,262 km (0.069 R)
• M4: 2,095,567 km (0.084 R)
• M5: 2,976,698 km (0.032 R)
• M6: 4,646,959 km (0.086 R)
• M7: 6,809,097 km (0.091 R)
• M8: 7,134,921 km (0.084 R)
• M9: 7,502,333 km (0.086 R)
• M10: 8,077,088 km (0.078 R)
• M11: 8,408,896 km (0.08 R)
• M12: 9,791,181 km (0.1 R)
• M13: 10,245,509 km (0.069 R)
• M14: 11,114,972 km (0.076 R)
• M15: 12,075,690 km (0.113 R)
• M16: 12,466,290 km (0.073 R)
• M17: 15,240,133 km (0.092 R)
• M18: 15,902,403 km (0.098 R)
• M19: 18,572,576 km (0.091 R)
• M20: 19,803,467 km (0.101 R)
• M21: 20,408,291 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.8

Radius: 14.8

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.57 AU - 2.77 AU

Year: 2909 Days

Day: 8.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,029,286 km

• M1: 184,005 km (0.04 R)
• M2: 924,814 km (0.106 R)
• M3: 2,520,126 km (0.119 R)
• M4: 3,291,602 km (0.115 R)
• M5: 3,890,293 km (0.027 R)
• M6: 5,508,343 km (0.07 R)
• M7: 6,029,243 km (0.043 R)
• M8: 7,633,979 km (0.117 R)
• M9: 8,724,997 km (0.117 R)
• M10: 9,399,085 km (0.101 R)
• M11: 10,612,772 km (0.079 R)
• M12: 15,284,115 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.3

Radius: 7.7

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.72 AU - 8.9 AU

Year: 13180 Days

Day: 21 Hours

Environment

Temp: -239 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,029,286 km

• M1: 95,743 km (0.075 R)
• M2: 454,927 km (0.07 R)
• M3: 1,337,854 km (0.096 R)
• M4: 2,008,651 km (0.039 R)
• M5: 4,153,884 km (0.069 R)
• M6: 4,677,776 km (0.064 R)
• M7: 6,338,013 km (0.073 R)
• M8: 7,070,295 km (0.049 R)
• M9: 12,301,433 km (0.088 R)
• M10: 15,983,784 km (0.038 R)
• M11: 19,055,627 km (0.084 R)
• M12: 20,886,855 km (0.077 R)
• M13: 22,832,225 km (0.106 R)
• M14: 24,455,662 km (0.093 R)
• M15: 25,250,924 km (0.05 R)
• M16: 26,892,910 km (0.039 R)
• M17: 28,702,147 km (0.117 R)
• M18: 37,795,304 km (0.079 R)
• M19: 38,147,307 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.6

Radius: 6.6

Gravity: 21.13 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 8.09 AU - 12.15 AU

Year: 21468 Days

Day: 18.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 88,029,286 km

• M1: 82,428 km (0.034 R)
• M2: 1,194,539 km (0.084 R)
• M3: 1,718,730 km (0.112 R)
• M4: 2,727,618 km (0.087 R)
• M5: 3,358,921 km (0.118 R)
• M6: 4,573,057 km (0.111 R)
• M7: 4,946,154 km (0.101 R)
• M8: 5,299,056 km (0.088 R)
• M9: 5,881,291 km (0.093 R)
• M10: 9,330,120 km (0.088 R)
• M11: 11,679,854 km (0.107 R)
• M12: 12,881,125 km (0.046 R)
• M13: 15,198,396 km (0.042 R)
• M14: 16,541,336 km (0.117 R)
• M15: 19,269,253 km (0.118 R)
• M16: 21,042,287 km (0.114 R)
• M17: 22,073,016 km (0.088 R)
• M18: 25,597,093 km (0.103 R)
• M19: 27,613,673 km (0.107 R)
• M20: 28,474,010 km (0.093 R)
• M21: 28,848,154 km (0.117 R)
• M22: 29,225,440 km (0.104 R)
• M23: 31,559,316 km (0.071 R)
• M24: 36,010,152 km (0.048 R)
• M25: 39,301,605 km (0.037 R)
• M26: 40,076,671 km (0.097 R)
• M27: 41,020,185 km (0.108 R)
• M28: 44,438,945 km (0.079 R)
• M29: 52,582,006 km (0.105 R)
• M30: 66,138,266 km (0.039 R)
• M31: 75,485,889 km (0.068 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 13,471 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit