🌌 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: 632.7

Radius: 10.7

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.42 AU - 0.6 AU

Year: 251 Days

Day: 14.3 Hours

Environment

Temp: -130 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,191,901 km

• M1: 133,142 km (0.114 R)
• M2: 530,025 km (0.071 R)
• M3: 936,632 km (0.05 R)
• M4: 1,292,675 km (0.062 R)
• M5: 1,645,876 km (0.064 R)
• M6: 2,064,451 km (0.107 R)
• M7: 2,937,653 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.1

Radius: 11.2

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.87 AU - 2.47 AU

Year: 2206 Days

Day: 6.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,191,901 km

• M1: 139,874 km (0.054 R)
• M2: 491,279 km (0.112 R)
• M3: 1,659,938 km (0.1 R)
• M4: 2,338,813 km (0.111 R)
• M5: 3,587,357 km (0.053 R)
• M6: 4,660,273 km (0.115 R)
• M7: 5,835,364 km (0.111 R)
• M8: 6,613,423 km (0.063 R)
• M9: 8,031,461 km (0.1 R)
• M10: 8,632,695 km (0.117 R)
• M11: 9,400,281 km (0.102 R)
• M12: 10,249,249 km (0.062 R)
• M13: 11,617,471 km (0.026 R)
• M14: 12,304,275 km (0.078 R)
• M15: 12,763,092 km (0.072 R)
• M16: 13,319,895 km (0.107 R)
• M17: 13,982,464 km (0.053 R)
• M18: 16,301,082 km (0.118 R)
• M19: 16,652,038 km (0.071 R)
• M20: 17,525,391 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.7

Radius: 9

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.16 AU - 2.52 AU

Year: 2471 Days

Day: 11.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,191,901 km

• M1: 113,246 km (0.081 R)
• M2: 422,464 km (0.042 R)
• M3: 1,043,595 km (0.105 R)
• M4: 1,382,733 km (0.109 R)
• M5: 2,426,328 km (0.062 R)
• M6: 2,861,508 km (0.118 R)
• M7: 3,663,652 km (0.084 R)
• M8: 4,073,550 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.6

Radius: 11.9

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.05 AU - 3.53 AU

Year: 4119 Days

Day: 8.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,191,901 km

• M1: 147,952 km (0.11 R)
• M2: 665,561 km (0.103 R)
• M3: 1,074,711 km (0.089 R)
• M4: 1,535,921 km (0.1 R)
• M5: 2,821,266 km (0.107 R)
• M6: 4,028,072 km (0.029 R)
• M7: 4,423,160 km (0.116 R)
• M8: 4,844,129 km (0.067 R)
• M9: 8,029,067 km (0.09 R)
• M10: 8,622,372 km (0.04 R)
• M11: 9,509,937 km (0.111 R)
• M12: 11,905,747 km (0.118 R)
• M13: 14,627,680 km (0.103 R)
• M14: 15,514,047 km (0.073 R)
• M15: 16,713,673 km (0.106 R)
• M16: 20,748,477 km (0.118 R)
• M17: 22,339,151 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87.4

Radius: 4.3

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 5.37 AU - 7.37 AU

Year: 11097 Days

Day: 22.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,191,901 km

• M1: 58,044 km (0.078 R)
• M2: 256,860 km (0.07 R)
• M3: 757,414 km (0.118 R)
• M4: 899,233 km (0.077 R)
• M5: 1,247,796 km (0.108 R)
• M6: 1,447,659 km (0.114 R)
• M7: 1,693,149 km (0.105 R)
• M8: 2,120,101 km (0.088 R)
• M9: 2,328,042 km (0.078 R)
• M10: 3,241,487 km (0.055 R)
• M11: 4,117,981 km (0.081 R)
• M12: 4,538,051 km (0.118 R)
• M13: 5,545,593 km (0.044 R)
• M14: 6,235,090 km (0.073 R)
• M15: 8,027,272 km (0.116 R)
• M16: 8,205,443 km (0.093 R)
• M17: 8,422,809 km (0.102 R)
• M18: 8,945,055 km (0.117 R)
• M19: 11,206,376 km (0.115 R)
• M20: 11,883,456 km (0.09 R)
• M21: 14,129,818 km (0.115 R)
• M22: 15,080,812 km (0.041 R)
• M23: 15,737,995 km (0.076 R)
• M24: 16,701,555 km (0.054 R)
• M25: 16,933,881 km (0.055 R)
• M26: 21,152,241 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 815.8

Radius: 5.3

Gravity: 29.04 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.32 AU - 7.18 AU

Year: 12105 Days

Day: 17.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 32,191,901 km

• M1: 72,256 km (0.107 R)
• M2: 256,560 km (0.112 R)
• M3: 436,826 km (0.117 R)
• M4: 776,413 km (0.066 R)
• M5: 2,371,725 km (0.103 R)
• M6: 4,126,508 km (0.119 R)
• M7: 4,648,903 km (0.119 R)
• M8: 5,676,641 km (0.079 R)
• M9: 6,204,721 km (0.073 R)
• M10: 6,806,105 km (0.118 R)
• M11: 8,502,694 km (0.027 R)
• M12: 9,656,243 km (0.066 R)
• M13: 10,243,265 km (0.046 R)
• M14: 11,312,741 km (0.105 R)
• M15: 11,784,572 km (0.114 R)
• M16: 12,893,990 km (0.098 R)
• M17: 13,408,906 km (0.057 R)
• M18: 14,342,546 km (0.047 R)
• M19: 15,823,116 km (0.109 R)
• M20: 18,674,751 km (0.107 R)
• M21: 23,709,467 km (0.097 R)
• M22: 25,872,503 km (0.106 R)
• M23: 29,358,283 km (0.111 R)
• M24: 29,689,941 km (0.094 R)
• M25: 32,551,150 km (0.069 R)
• M26: 32,787,665 km (0.079 R)
• M27: 33,264,283 km (0.104 R)
• M28: 34,844,785 km (0.106 R)
• M29: 36,986,428 km (0.046 R)
• M30: 39,080,798 km (0.106 R)
• M31: 41,529,865 km (0.096 R)
• M32: 42,933,691 km (0.107 R)
• M33: 44,079,312 km (0.085 R)
• M34: 45,539,836 km (0.039 R)
• M35: 49,487,574 km (0.119 R)
• M36: 50,271,916 km (0.045 R)
• M37: 50,588,016 km (0.115 R)
• M38: 52,512,593 km (0.093 R)
• M39: 54,318,987 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 100

Radius: 6.8

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 7.55 AU - 7.61 AU

Year: 14405 Days

Day: 15.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,191,901 km

• M1: 84,523 km (0.073 R)
• M2: 297,849 km (0.036 R)
• M3: 562,488 km (0.04 R)
• M4: 804,537 km (0.075 R)
• M5: 1,050,327 km (0.072 R)
• M6: 1,582,596 km (0.088 R)
• M7: 1,989,203 km (0.107 R)
• M8: 3,862,019 km (0.093 R)
• M9: 6,985,173 km (0.111 R)
• M10: 8,383,465 km (0.061 R)
• M11: 8,901,971 km (0.109 R)
• M12: 9,784,598 km (0.103 R)
• M13: 11,287,309 km (0.061 R)
• M14: 12,574,898 km (0.116 R)
• M15: 13,575,708 km (0.085 R)
• M16: 13,793,073 km (0.101 R)
• M17: 14,515,332 km (0.067 R)
• M18: 17,465,701 km (0.066 R)
• M19: 21,890,357 km (0.075 R)
• M20: 24,041,275 km (0.055 R)
• M21: 25,004,686 km (0.054 R)
• M22: 29,207,189 km (0.115 R)
• M23: 30,396,343 km (0.087 R)
• M24: 31,427,521 km (0.1 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 10,679 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit