🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.1

Radius: 13.1

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.83 AU - 0.85 AU

Year: 513 Days

Day: 6.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,357,700 km

• M1: 162,912 km (0.103 R)
• M2: 700,567 km (0.115 R)
• M3: 1,161,478 km (0.094 R)
• M4: 1,645,427 km (0.099 R)
• M5: 2,123,991 km (0.061 R)
• M6: 3,205,583 km (0.1 R)
• M7: 3,805,171 km (0.062 R)
• M8: 4,700,365 km (0.115 R)
• M9: 5,697,136 km (0.092 R)
• M10: 6,173,156 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.8

Radius: 14.6

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.24 AU - 1.68 AU

Year: 1176 Days

Day: 5 Hours

Environment

Temp: -200 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,357,700 km

• M1: 181,911 km (0.047 R)
• M2: 683,213 km (0.103 R)
• M3: 1,630,318 km (0.062 R)
• M4: 2,125,487 km (0.117 R)
• M5: 3,484,882 km (0.112 R)
• M6: 4,054,551 km (0.093 R)
• M7: 4,534,910 km (0.119 R)
• M8: 5,496,525 km (0.083 R)
• M9: 6,419,544 km (0.119 R)
• M10: 7,514,002 km (0.072 R)
• M11: 8,344,270 km (0.094 R)
• M12: 9,180,971 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.2

Radius: 10.7

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.72 AU - 4.24 AU

Year: 4329 Days

Day: 13.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,357,700 km

• M1: 136,732 km (0.103 R)
• M2: 584,030 km (0.094 R)
• M3: 1,313,918 km (0.056 R)
• M4: 1,672,654 km (0.114 R)
• M5: 2,097,512 km (0.051 R)
• M6: 3,555,642 km (0.071 R)
• M7: 4,380,824 km (0.115 R)
• M8: 8,115,086 km (0.064 R)
• M9: 14,706,518 km (0.118 R)
• M10: 15,080,662 km (0.117 R)
• M11: 15,461,090 km (0.052 R)
• M12: 16,015,798 km (0.106 R)
• M13: 16,756,607 km (0.104 R)
• M14: 20,277,243 km (0.109 R)
• M15: 22,315,066 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.9

Radius: 12.2

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.09 AU - 4.41 AU

Year: 4843 Days

Day: 8.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,357,700 km

• M1: 151,692 km (0.066 R)
• M2: 593,006 km (0.117 R)
• M3: 1,233,883 km (0.054 R)
• M4: 1,756,728 km (0.104 R)
• M5: 2,673,613 km (0.066 R)
• M6: 3,222,189 km (0.062 R)
• M7: 3,824,320 km (0.077 R)
• M8: 4,500,502 km (0.088 R)
• M9: 5,515,673 km (0.065 R)
• M10: 6,035,227 km (0.034 R)
• M11: 6,953,309 km (0.067 R)
• M12: 7,793,151 km (0.118 R)
• M13: 8,342,924 km (0.085 R)
• M14: 9,140,879 km (0.098 R)
• M15: 9,713,689 km (0.068 R)
• M16: 10,638,353 km (0.052 R)
• M17: 13,375,396 km (0.106 R)
• M18: 14,468,657 km (0.075 R)
• M19: 15,194,656 km (0.119 R)
• M20: 19,010,748 km (0.112 R)
• M21: 20,975,417 km (0.059 R)
• M22: 23,564,208 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.8

Radius: 11.5

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.26 AU - 5.75 AU

Year: 7456 Days

Day: 5.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,357,700 km

• M1: 143,016 km (0.111 R)
• M2: 1,022,202 km (0.095 R)
• M3: 1,578,557 km (0.069 R)
• M4: 2,014,036 km (0.076 R)
• M5: 2,941,693 km (0.067 R)
• M6: 3,778,693 km (0.115 R)
• M7: 4,266,830 km (0.118 R)
• M8: 5,003,002 km (0.094 R)
• M9: 5,755,928 km (0.098 R)
• M10: 6,510,948 km (0.112 R)
• M11: 7,253,552 km (0.097 R)
• M12: 7,645,648 km (0.077 R)
• M13: 8,863,524 km (0.072 R)
• M14: 10,157,995 km (0.063 R)
• M15: 13,350,413 km (0.097 R)
• M16: 13,821,347 km (0.064 R)
• M17: 14,303,352 km (0.042 R)
• M18: 15,622,356 km (0.083 R)
• M19: 16,815,848 km (0.105 R)
• M20: 19,684,686 km (0.082 R)
• M21: 22,367,574 km (0.103 R)
• M22: 23,032,537 km (0.072 R)
• M23: 24,141,356 km (0.106 R)
• M24: 27,871,579 km (0.118 R)
• M25: 28,738,948 km (0.101 R)
• M26: 29,426,051 km (0.1 R)
• M27: 30,833,019 km (0.09 R)
• M28: 33,133,834 km (0.068 R)
• M29: 36,452,663 km (0.068 R)
• M30: 37,957,318 km (0.11 R)
• M31: 38,428,551 km (0.057 R)
• M32: 39,262,560 km (0.081 R)
• M33: 41,836,989 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.1

Radius: 4.7

Gravity: 12.27 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.72 AU - 10.72 AU

Year: 18669 Days

Day: 16 Hours

Environment

Temp: -236 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,357,700 km

• M1: 63,280 km (0.093 R)
• M2: 395,986 km (0.073 R)
• M3: 4,007,278 km (0.043 R)
• M4: 5,280,356 km (0.105 R)
• M5: 5,952,948 km (0.076 R)
• M6: 6,444,975 km (0.108 R)
• M7: 6,882,100 km (0.042 R)
• M8: 7,423,794 km (0.112 R)
• M9: 11,005,018 km (0.083 R)
• M10: 12,946,499 km (0.107 R)
• M11: 14,831,282 km (0.088 R)
• M12: 15,242,826 km (0.112 R)
• M13: 15,732,610 km (0.079 R)
• M14: 18,028,488 km (0.079 R)
• M15: 19,296,480 km (0.087 R)
• M16: 20,369,695 km (0.111 R)
• M17: 22,996,783 km (0.087 R)
• M18: 23,548,051 km (0.096 R)
• M19: 29,445,947 km (0.082 R)
• M20: 31,875,267 km (0.106 R)
• M21: 33,255,158 km (0.104 R)
• M22: 35,398,746 km (0.095 R)
• M23: 36,877,969 km (0.063 R)
• M24: 43,346,282 km (0.066 R)
• M25: 49,611,591 km (0.119 R)
• M26: 52,246,159 km (0.089 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 18,761 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit