🌌 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: 293.9

Radius: 9.7

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.71 AU - 0.97 AU

Year: 505 Days

Day: 11.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,355,035 km

• M1: 120,576 km (0.112 R)
• M2: 433,684 km (0.089 R)
• M3: 798,254 km (0.12 R)
• M4: 1,193,043 km (0.088 R)
• M5: 1,656,048 km (0.091 R)
• M6: 2,018,524 km (0.093 R)
• M7: 2,337,766 km (0.117 R)
• M8: 2,767,860 km (0.077 R)
• M9: 3,272,005 km (0.108 R)
• M10: 3,740,096 km (0.09 R)
• M11: 4,174,529 km (0.106 R)
• M12: 4,642,321 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.8

Radius: 8.3

Gravity: 14.19 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.75 AU - 3.83 AU

Year: 3915 Days

Day: 7.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,355,035 km

• M1: 103,223 km (0.111 R)
• M2: 405,560 km (0.088 R)
• M3: 741,706 km (0.09 R)
• M4: 1,028,635 km (0.079 R)
• M5: 1,620,893 km (0.072 R)
• M6: 2,101,252 km (0.07 R)
• M7: 2,656,409 km (0.101 R)
• M8: 3,325,860 km (0.112 R)
• M9: 3,593,640 km (0.103 R)
• M10: 4,339,385 km (0.117 R)
• M11: 5,266,294 km (0.083 R)
• M12: 5,835,215 km (0.096 R)
• M13: 6,226,563 km (0.086 R)
• M14: 7,095,577 km (0.093 R)
• M15: 8,452,280 km (0.106 R)
• M16: 9,681,077 km (0.115 R)
• M17: 10,755,489 km (0.08 R)
• M18: 11,483,581 km (0.114 R)
• M19: 15,912,726 km (0.101 R)
• M20: 22,004,949 km (0.057 R)
• M21: 24,389,539 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.3

Radius: 8.6

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.13 AU - 4.97 AU

Year: 5347 Days

Day: 11 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,355,035 km

• M1: 106,962 km (0.093 R)
• M2: 410,197 km (0.048 R)
• M3: 760,556 km (0.081 R)
• M4: 1,430,604 km (0.101 R)
• M5: 1,706,613 km (0.108 R)
• M6: 1,975,739 km (0.054 R)
• M7: 2,758,884 km (0.052 R)
• M8: 3,332,143 km (0.088 R)
• M9: 3,669,187 km (0.097 R)
• M10: 4,265,484 km (0.09 R)
• M11: 4,663,714 km (0.082 R)
• M12: 4,951,690 km (0.09 R)
• M13: 7,383,702 km (0.058 R)
• M14: 8,257,503 km (0.044 R)
• M15: 9,320,995 km (0.069 R)
• M16: 9,864,484 km (0.079 R)
• M17: 10,877,710 km (0.104 R)
• M18: 13,006,787 km (0.048 R)
• M19: 14,553,330 km (0.118 R)
• M20: 15,572,690 km (0.066 R)
• M21: 16,457,860 km (0.111 R)
• M22: 18,457,984 km (0.082 R)
• M23: 18,916,202 km (0.047 R)
• M24: 19,516,389 km (0.119 R)
• M25: 20,336,335 km (0.086 R)
• M26: 21,179,169 km (0.118 R)
• M27: 21,826,479 km (0.08 R)
• M28: 22,561,004 km (0.107 R)
• M29: 23,084,896 km (0.107 R)
• M30: 23,924,439 km (0.076 R)
• M31: 27,318,366 km (0.097 R)
• M32: 27,913,616 km (0.115 R)
• M33: 29,751,277 km (0.117 R)
• M34: 30,200,369 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385

Radius: 10.8

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.44 AU - 5.62 AU

Year: 8531 Days

Day: 14.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,355,035 km

• M1: 134,339 km (0.09 R)
• M2: 506,688 km (0.096 R)
• M3: 1,140,085 km (0.094 R)
• M4: 2,079,410 km (0.114 R)
• M5: 2,595,224 km (0.075 R)
• M6: 3,012,004 km (0.082 R)
• M7: 3,885,505 km (0.076 R)
• M8: 4,947,950 km (0.081 R)
• M9: 5,322,393 km (0.08 R)
• M10: 5,809,484 km (0.118 R)
• M11: 6,459,935 km (0.038 R)
• M12: 7,122,205 km (0.118 R)
• M13: 7,829,205 km (0.086 R)
• M14: 8,582,280 km (0.112 R)
• M15: 9,470,144 km (0.106 R)
• M16: 10,605,591 km (0.038 R)
• M17: 11,678,059 km (0.112 R)
• M18: 13,309,723 km (0.069 R)
• M19: 14,094,513 km (0.114 R)
• M20: 14,615,114 km (0.094 R)
• M21: 15,572,091 km (0.071 R)
• M22: 18,215,186 km (0.045 R)
• M23: 19,607,195 km (0.094 R)
• M24: 21,749,885 km (0.116 R)
• M25: 24,208,227 km (0.109 R)
• M26: 26,670,458 km (0.12 R)
• M27: 29,388,502 km (0.102 R)
• M28: 30,334,110 km (0.115 R)
• M29: 33,089,852 km (0.11 R)
• M30: 33,906,956 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.1

Radius: 7.6

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 8.37 AU - 12.89 AU

Year: 22736 Days

Day: 19.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,355,035 km

• M1: 167,998 km (0.077 R)
• M2: 606,320 km (0.056 R)
• M3: 1,088,325 km (0.062 R)
• M4: 1,414,597 km (0.103 R)
• M5: 1,922,333 km (0.084 R)
• M6: 3,079,173 km (0.108 R)
• M7: 3,347,402 km (0.085 R)
• M8: 4,769,779 km (0.096 R)
• M9: 5,096,650 km (0.118 R)
• M10: 5,403,475 km (0.117 R)
• M11: 5,942,327 km (0.098 R)
• M12: 9,288,532 km (0.102 R)
• M13: 14,310,832 km (0.095 R)
• M14: 16,418,965 km (0.057 R)
• M15: 17,241,304 km (0.094 R)
• M16: 21,327,869 km (0.069 R)
• M17: 23,407,579 km (0.037 R)
• M18: 34,998,571 km (0.101 R)
• M19: 40,648,584 km (0.094 R)
• M20: 41,600,176 km (0.098 R)
• M21: 42,150,397 km (0.058 R)
• M22: 43,125,177 km (0.092 R)
• M23: 50,998,662 km (0.071 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: 229 - 13,058 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit