🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.3

Radius: 10.6

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.47 AU - 0.59 AU

Year: 266 Days

Day: 13.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,695,227 km

• M1: 131,796 km (0.084 R)
• M2: 481,406 km (0.113 R)
• M3: 950,545 km (0.069 R)
• M4: 1,290,282 km (0.101 R)
• M5: 1,951,205 km (0.1 R)
• M6: 2,323,105 km (0.094 R)
• M7: 2,679,597 km (0.107 R)
• M8: 3,072,890 km (0.059 R)
• M9: 3,472,466 km (0.049 R)
• M10: 3,988,578 km (0.027 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.1

Radius: 8

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.94 AU - 1.1 AU

Year: 711 Days

Day: 10.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,695,227 km

• M1: 99,483 km (0.119 R)
• M2: 348,713 km (0.099 R)
• M3: 642,224 km (0.087 R)
• M4: 1,093,860 km (0.12 R)
• M5: 1,838,558 km (0.063 R)
• M6: 2,229,906 km (0.032 R)
• M7: 2,767,411 km (0.102 R)
• M8: 3,092,038 km (0.113 R)
• M9: 3,362,063 km (0.108 R)
• M10: 3,661,707 km (0.059 R)
• M11: 4,009,073 km (0.105 R)
• M12: 5,009,135 km (0.109 R)
• M13: 6,617,312 km (0.078 R)
• M14: 7,515,947 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.9

Radius: 9.8

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.11 AU - 1.67 AU

Year: 1131 Days

Day: 10.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,695,227 km

• M1: 122,969 km (0.068 R)
• M2: 546,780 km (0.108 R)
• M3: 1,298,210 km (0.082 R)
• M4: 1,654,702 km (0.072 R)
• M5: 3,494,905 km (0.07 R)
• M6: 4,033,757 km (0.107 R)
• M7: 4,500,951 km (0.044 R)
• M8: 4,970,240 km (0.051 R)
• M9: 5,818,908 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.9

Radius: 4.5

Gravity: 15.95 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.86 AU - 6.38 AU

Year: 9196 Days

Day: 16.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,695,227 km

• M1: 55,950 km (0.111 R)
• M2: 268,229 km (0.12 R)
• M3: 1,380,190 km (0.103 R)
• M4: 1,658,592 km (0.068 R)
• M5: 2,065,947 km (0.071 R)
• M6: 2,483,474 km (0.054 R)
• M7: 2,817,526 km (0.105 R)
• M8: 3,854,688 km (0.095 R)
• M9: 4,485,243 km (0.089 R)
• M10: 5,359,344 km (0.117 R)
• M11: 5,726,307 km (0.093 R)
• M12: 5,948,011 km (0.111 R)
• M13: 6,544,608 km (0.083 R)
• M14: 9,639,788 km (0.091 R)
• M15: 10,984,972 km (0.083 R)
• M16: 12,397,774 km (0.105 R)
• M17: 13,701,669 km (0.071 R)
• M18: 18,225,209 km (0.083 R)
• M19: 18,774,383 km (0.097 R)
• M20: 23,814,036 km (0.105 R)
• M21: 31,218,084 km (0.095 R)
• M22: 31,609,282 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 994

Radius: 5.2

Gravity: 36.76 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 7.34 AU - 9.02 AU

Year: 16149 Days

Day: 17.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,695,227 km

• M1: 102,923 km (0.12 R)
• M2: 282,890 km (0.064 R)
• M3: 601,234 km (0.097 R)
• M4: 903,422 km (0.12 R)
• M5: 1,517,371 km (0.032 R)
• M6: 3,937,566 km (0.087 R)
• M7: 4,323,528 km (0.061 R)
• M8: 7,424,094 km (0.037 R)
• M9: 9,116,345 km (0.103 R)
• M10: 9,733,436 km (0.072 R)
• M11: 11,050,196 km (0.072 R)
• M12: 12,892,195 km (0.109 R)
• M13: 13,171,045 km (0.091 R)
• M14: 14,701,432 km (0.118 R)
• M15: 15,706,131 km (0.111 R)
• M16: 17,937,383 km (0.083 R)
• M17: 23,427,475 km (0.108 R)
• M18: 26,104,230 km (0.025 R)
• M19: 35,480,725 km (0.111 R)
• M20: 43,201,771 km (0.103 R)
• M21: 45,574,393 km (0.115 R)
• M22: 46,059,090 km (0.11 R)
• M23: 53,032,445 km (0.074 R)
• M24: 58,939,915 km (0.056 R)
• M25: 65,066,696 km (0.043 R)
• M26: 71,386,907 km (0.054 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 19,070 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit