🌌 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: 684.3

Radius: 8.7

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.55 AU - 0.61 AU

Year: 300 Days

Day: 5.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,709,486 km

• M1: 108,159 km (0.059 R)
• M2: 482,304 km (0.036 R)
• M3: 1,117,795 km (0.082 R)
• M4: 1,571,825 km (0.033 R)
• M5: 1,864,139 km (0.057 R)
• M6: 2,542,865 km (0.114 R)
• M7: 2,909,828 km (0.074 R)
• M8: 3,344,260 km (0.103 R)
• M9: 4,039,741 km (0.062 R)
• M10: 4,461,607 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.3

Radius: 8.8

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.65 AU - 0.87 AU

Year: 449 Days

Day: 5.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,709,486 km

• M1: 109,506 km (0.086 R)
• M2: 389,702 km (0.105 R)
• M3: 705,204 km (0.071 R)
• M4: 1,107,473 km (0.054 R)
• M5: 1,453,343 km (0.069 R)
• M6: 1,857,856 km (0.095 R)
• M7: 2,505,166 km (0.114 R)
• M8: 3,255,399 km (0.119 R)
• M9: 3,540,084 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.4

Radius: 9

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.58 AU - 3.28 AU

Year: 3402 Days

Day: 14 Hours

Environment

Temp: -205 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,709,486 km

• M1: 111,899 km (0.103 R)
• M2: 544,087 km (0.109 R)
• M3: 844,330 km (0.032 R)
• M4: 1,210,546 km (0.041 R)
• M5: 1,611,169 km (0.072 R)
• M6: 2,302,311 km (0.084 R)
• M7: 2,632,623 km (0.112 R)
• M8: 3,067,355 km (0.111 R)
• M9: 3,883,860 km (0.093 R)
• M10: 4,331,606 km (0.099 R)
• M11: 5,438,331 km (0.069 R)
• M12: 6,475,942 km (0.098 R)
• M13: 8,164,453 km (0.115 R)
• M14: 11,330,393 km (0.091 R)
• M15: 12,292,756 km (0.068 R)
• M16: 13,358,342 km (0.074 R)
• M17: 15,233,252 km (0.109 R)
• M18: 19,433,212 km (0.09 R)
• M19: 19,755,147 km (0.11 R)
• M20: 23,174,356 km (0.034 R)
• M21: 23,463,828 km (0.077 R)
• M22: 24,198,054 km (0.118 R)
• M23: 24,645,950 km (0.084 R)
• M24: 25,251,672 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.9

Radius: 8.7

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3 AU - 3.38 AU

Year: 3864 Days

Day: 8.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,709,486 km

• M1: 108,159 km (0.057 R)
• M2: 492,027 km (0.073 R)
• M3: 874,998 km (0.106 R)
• M4: 1,288,337 km (0.113 R)
• M5: 1,876,855 km (0.093 R)
• M6: 2,267,605 km (0.103 R)
• M7: 4,039,292 km (0.082 R)
• M8: 4,402,217 km (0.096 R)
• M9: 5,807,539 km (0.088 R)
• M10: 10,234,589 km (0.047 R)
• M11: 12,003,284 km (0.09 R)
• M12: 12,575,945 km (0.053 R)
• M13: 14,208,357 km (0.102 R)
• M14: 15,924,843 km (0.056 R)
• M15: 16,455,018 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.3

Radius: 14.6

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.58 AU - 5.26 AU

Year: 6303 Days

Day: 11.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,709,486 km

• M1: 181,612 km (0.105 R)
• M2: 643,869 km (0.051 R)
• M3: 1,124,976 km (0.12 R)
• M4: 2,143,737 km (0.104 R)
• M5: 2,728,964 km (0.09 R)
• M6: 3,269,013 km (0.102 R)
• M7: 5,040,850 km (0.117 R)
• M8: 7,054,886 km (0.067 R)
• M9: 7,884,855 km (0.075 R)
• M10: 8,528,724 km (0.091 R)
• M11: 9,294,815 km (0.107 R)
• M12: 10,387,328 km (0.116 R)
• M13: 11,211,912 km (0.085 R)
• M14: 11,716,954 km (0.103 R)
• M15: 13,101,931 km (0.077 R)
• M16: 16,068,606 km (0.093 R)
• M17: 19,241,877 km (0.096 R)
• M18: 20,786,624 km (0.119 R)
• M19: 21,242,748 km (0.118 R)
• M20: 23,379,006 km (0.115 R)
• M21: 24,122,058 km (0.116 R)
• M22: 26,356,901 km (0.056 R)
• M23: 28,167,783 km (0.112 R)
• M24: 30,546,389 km (0.116 R)
• M25: 34,520,008 km (0.078 R)
• M26: 36,796,439 km (0.108 R)
• M27: 37,689,388 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805.5

Radius: 3.6

Gravity: 62.15 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.33 AU - 10.19 AU

Year: 17585 Days

Day: 20.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,709,486 km

• M1: 47,123 km (0.114 R)
• M2: 426,204 km (0.044 R)
• M3: 566,228 km (0.075 R)
• M4: 776,862 km (0.069 R)
• M5: 1,101,788 km (0.112 R)
• M6: 1,309,879 km (0.082 R)
• M7: 5,860,796 km (0.075 R)
• M8: 6,847,394 km (0.037 R)
• M9: 7,214,956 km (0.035 R)
• M10: 8,345,168 km (0.104 R)
• M11: 8,817,897 km (0.091 R)
• M12: 11,515,894 km (0.095 R)
• M13: 12,300,685 km (0.114 R)
• M14: 18,995,788 km (0.049 R)
• M15: 41,108,597 km (0.075 R)
• M16: 51,279,009 km (0.088 R)
• M17: 53,033,492 km (0.103 R)
• M18: 56,847,340 km (0.091 R)
• M19: 57,593,834 km (0.064 R)
• M20: 61,620,859 km (0.109 R)
• M21: 62,805,076 km (0.118 R)
• M22: 67,693,336 km (0.056 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 148 - 15,146 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit