🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.2

Radius: 12.6

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.44 AU - 0.72 AU

Year: 310 Days

Day: 10.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 90,724,611 km

• M1: 156,779 km (0.109 R)
• M2: 645,814 km (0.068 R)
• M3: 1,132,306 km (0.099 R)
• M4: 1,546,992 km (0.048 R)
• M5: 1,973,495 km (0.054 R)
• M6: 2,441,437 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.2

Radius: 10.6

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.72 AU - 0.94 AU

Year: 532 Days

Day: 6.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 90,724,611 km

• M1: 131,796 km (0.062 R)
• M2: 479,162 km (0.096 R)
• M3: 1,275,920 km (0.105 R)
• M4: 1,678,189 km (0.11 R)
• M5: 2,911,025 km (0.053 R)
• M6: 4,200,858 km (0.072 R)
• M7: 5,039,204 km (0.082 R)
• M8: 5,376,697 km (0.117 R)
• M9: 5,838,207 km (0.07 R)
• M10: 6,699,591 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.7

Radius: 12.5

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.81 AU - 1.07 AU

Year: 641 Days

Day: 10.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,724,611 km

• M1: 155,432 km (0.102 R)
• M2: 594,203 km (0.047 R)
• M3: 1,015,022 km (0.12 R)
• M4: 1,454,390 km (0.089 R)
• M5: 1,952,551 km (0.065 R)
• M6: 2,659,850 km (0.055 R)
• M7: 3,263,328 km (0.119 R)
• M8: 3,692,375 km (0.081 R)
• M9: 4,278,350 km (0.061 R)
• M10: 4,810,768 km (0.106 R)
• M11: 5,729,000 km (0.105 R)
• M12: 6,143,087 km (0.092 R)
• M13: 6,719,637 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.5

Radius: 10.2

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.24 AU - 1.32 AU

Year: 1018 Days

Day: 12.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,724,611 km

• M1: 126,859 km (0.089 R)
• M2: 628,610 km (0.068 R)
• M3: 1,216,081 km (0.066 R)
• M4: 1,574,966 km (0.055 R)
• M5: 1,986,061 km (0.098 R)
• M6: 2,457,444 km (0.1 R)
• M7: 2,780,127 km (0.079 R)
• M8: 3,583,168 km (0.095 R)
• M9: 4,125,610 km (0.114 R)
• M10: 5,863,040 km (0.069 R)
• M11: 6,253,490 km (0.051 R)
• M12: 7,506,672 km (0.118 R)
• M13: 8,681,763 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.4

Radius: 11

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.45 AU - 1.85 AU

Year: 1490 Days

Day: 11.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,724,611 km

• M1: 137,032 km (0.089 R)
• M2: 928,404 km (0.103 R)
• M3: 1,293,573 km (0.11 R)
• M4: 1,766,003 km (0.115 R)
• M5: 2,518,181 km (0.07 R)
• M6: 3,092,786 km (0.111 R)
• M7: 3,533,352 km (0.092 R)
• M8: 3,981,996 km (0.063 R)
• M9: 4,764,393 km (0.062 R)
• M10: 5,774,478 km (0.042 R)
• M11: 7,472,264 km (0.114 R)
• M12: 8,661,118 km (0.028 R)
• M13: 9,006,390 km (0.077 R)
• M14: 9,785,795 km (0.045 R)
• M15: 10,905,535 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.3

Radius: 9

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.82 AU - 2.08 AU

Year: 1914 Days

Day: 13.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,724,611 km

• M1: 114,293 km (0.044 R)
• M2: 632,649 km (0.049 R)
• M3: 1,011,730 km (0.084 R)
• M4: 1,772,136 km (0.09 R)
• M5: 2,728,665 km (0.041 R)
• M6: 3,996,058 km (0.057 R)
• M7: 4,640,376 km (0.036 R)
• M8: 5,023,347 km (0.109 R)
• M9: 5,522,106 km (0.106 R)
• M10: 5,932,603 km (0.112 R)
• M11: 6,640,350 km (0.103 R)
• M12: 7,426,487 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.9

Radius: 9.2

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.77 AU - 2.89 AU

Year: 2500 Days

Day: 5.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,724,611 km

• M1: 122,820 km (0.096 R)
• M2: 415,732 km (0.103 R)
• M3: 745,596 km (0.066 R)
• M4: 1,268,889 km (0.097 R)
• M5: 1,754,035 km (0.049 R)
• M6: 2,171,862 km (0.082 R)
• M7: 2,688,423 km (0.103 R)
• M8: 4,562,286 km (0.088 R)
• M9: 5,988,253 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 228.7

Radius: 7.1

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 8.75 AU - 8.95 AU

Year: 18506 Days

Day: 21 Hours

Environment

Temp: -243 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,724,611 km

• M1: 88,263 km (0.066 R)
• M2: 1,084,136 km (0.041 R)
• M3: 1,578,856 km (0.12 R)
• M4: 2,481,529 km (0.03 R)
• M5: 3,056,284 km (0.102 R)
• M6: 5,938,886 km (0.115 R)
• M7: 7,205,082 km (0.087 R)
• M8: 9,354,504 km (0.103 R)
• M9: 11,613,731 km (0.088 R)
• M10: 12,839,237 km (0.104 R)
• M11: 16,311,853 km (0.071 R)
• M12: 16,668,644 km (0.037 R)
• M13: 17,845,530 km (0.092 R)
• M14: 19,076,870 km (0.083 R)
• M15: 29,533,013 km (0.101 R)
• M16: 39,560,409 km (0.096 R)
• M17: 41,912,536 km (0.074 R)
• M18: 48,637,409 km (0.098 R)

Asteroid Belt

Center: 9.49 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907

Radius: 3.2

Gravity: 88.57 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 9.75 AU - 10.49 AU

Year: 22630 Days

Day: 20.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 90,724,611 km

• M1: 41,139 km (0.067 R)
• M2: 147,803 km (0.078 R)
• M3: 322,084 km (0.071 R)
• M4: 454,628 km (0.117 R)
• M5: 776,263 km (0.11 R)
• M6: 1,031,926 km (0.089 R)
• M7: 2,488,261 km (0.119 R)
• M8: 2,689,471 km (0.075 R)
• M9: 4,165,852 km (0.065 R)
• M10: 5,295,914 km (0.102 R)
• M11: 6,428,071 km (0.086 R)
• M12: 6,615,517 km (0.113 R)
• M13: 8,414,132 km (0.104 R)
• M14: 10,068,834 km (0.106 R)
• M15: 11,858,174 km (0.11 R)
• M16: 12,717,315 km (0.098 R)
• M17: 16,482,843 km (0.108 R)
• M18: 18,102,090 km (0.119 R)
• M19: 21,031,067 km (0.104 R)
• M20: 22,715,240 km (0.108 R)
• M21: 24,373,831 km (0.117 R)
• M22: 26,111,261 km (0.092 R)
• M23: 29,443,703 km (0.065 R)
• M24: 29,572,208 km (0.102 R)
• M25: 33,887,658 km (0.109 R)
• M26: 37,386,602 km (0.093 R)
• M27: 41,279,288 km (0.104 R)
• M28: 41,763,836 km (0.04 R)
• M29: 42,088,912 km (0.063 R)
• M30: 50,223,596 km (0.12 R)
• M31: 51,146,166 km (0.088 R)
• M32: 52,268,000 km (0.08 R)
• M33: 56,323,299 km (0.105 R)
• M34: 57,318,873 km (0.116 R)
• M35: 63,754,573 km (0.063 R)
• M36: 74,165,538 km (0.109 R)
• M37: 80,021,397 km (0.226 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 16,834 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit