🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.6

Radius: 8.8

Gravity: 10.39 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.49 AU - 0.65 AU

Year: 287 Days

Day: 14.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,807,674 km

• M1: 109,506 km (0.082 R)
• M2: 464,950 km (0.116 R)
• M3: 745,745 km (0.108 R)
• M4: 1,022,352 km (0.065 R)
• M5: 1,312,123 km (0.075 R)
• M6: 1,874,162 km (0.106 R)
• M7: 2,190,861 km (0.089 R)
• M8: 2,747,814 km (0.094 R)
• M9: 3,180,152 km (0.118 R)
• M10: 3,774,653 km (0.095 R)
• M11: 4,117,681 km (0.046 R)
• M12: 4,428,247 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.1

Radius: 14.9

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.39 AU - 1.73 AU

Year: 1299 Days

Day: 8.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,807,674 km

• M1: 185,950 km (0.113 R)
• M2: 739,013 km (0.06 R)
• M3: 1,252,433 km (0.116 R)
• M4: 1,778,120 km (0.112 R)
• M5: 2,441,437 km (0.087 R)
• M6: 3,566,264 km (0.116 R)
• M7: 4,523,241 km (0.108 R)
• M8: 5,171,898 km (0.102 R)
• M9: 5,860,497 km (0.114 R)
• M10: 7,020,179 km (0.093 R)
• M11: 8,836,746 km (0.073 R)
• M12: 9,700,225 km (0.054 R)
• M13: 10,264,209 km (0.103 R)
• M14: 10,849,885 km (0.069 R)
• M15: 11,700,349 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.4

Radius: 8.7

Gravity: 12.2 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.66 AU - 2.38 AU

Year: 1915 Days

Day: 14.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,807,674 km

• M1: 108,458 km (0.052 R)
• M2: 384,616 km (0.106 R)
• M3: 742,155 km (0.063 R)
• M4: 1,059,901 km (0.108 R)
• M5: 1,431,203 km (0.067 R)
• M6: 1,981,573 km (0.073 R)
• M7: 2,372,921 km (0.092 R)
• M8: 3,716,609 km (0.052 R)
• M9: 4,075,944 km (0.043 R)
• M10: 5,295,465 km (0.045 R)
• M11: 6,129,773 km (0.084 R)
• M12: 6,797,278 km (0.072 R)
• M13: 7,842,519 km (0.098 R)
• M14: 9,606,128 km (0.095 R)
• M15: 10,358,456 km (0.098 R)
• M16: 11,579,623 km (0.063 R)
• M17: 12,102,169 km (0.092 R)
• M18: 14,078,356 km (0.091 R)
• M19: 14,673,756 km (0.033 R)
• M20: 15,001,226 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.2

Radius: 12.1

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.9 AU - 2.84 AU

Year: 2433 Days

Day: 12.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,807,674 km

• M1: 150,645 km (0.106 R)
• M2: 626,815 km (0.091 R)
• M3: 1,084,435 km (0.106 R)
• M4: 1,488,349 km (0.093 R)
• M5: 1,971,999 km (0.04 R)
• M6: 2,351,828 km (0.089 R)
• M7: 2,925,835 km (0.062 R)
• M8: 3,343,064 km (0.115 R)
• M9: 3,764,930 km (0.036 R)
• M10: 4,494,518 km (0.072 R)
• M11: 5,031,724 km (0.096 R)
• M12: 6,136,654 km (0.07 R)
• M13: 6,668,325 km (0.098 R)
• M14: 7,708,629 km (0.077 R)
• M15: 8,697,171 km (0.106 R)
• M16: 12,931,539 km (0.065 R)
• M17: 13,343,831 km (0.082 R)
• M18: 14,901,294 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 542.4

Radius: 3.2

Gravity: 52.97 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.77 AU - 6.83 AU

Year: 9315 Days

Day: 24.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,807,674 km

• M1: 40,242 km (0.117 R)
• M2: 160,818 km (0.108 R)
• M3: 372,798 km (0.118 R)
• M4: 477,516 km (0.105 R)
• M5: 987,346 km (0.119 R)
• M6: 1,169,257 km (0.101 R)
• M7: 1,286,542 km (0.105 R)
• M8: 1,671,457 km (0.039 R)
• M9: 2,703,832 km (0.061 R)
• M10: 4,020,144 km (0.099 R)
• M11: 4,398,925 km (0.105 R)
• M12: 8,369,851 km (0.069 R)
• M13: 10,505,361 km (0.102 R)
• M14: 11,065,007 km (0.061 R)
• M15: 12,522,389 km (0.108 R)
• M16: 15,485,175 km (0.086 R)
• M17: 17,024,238 km (0.048 R)
• M18: 20,092,191 km (0.09 R)
• M19: 21,191,436 km (0.118 R)
• M20: 21,674,487 km (0.092 R)
• M21: 21,918,930 km (0.115 R)
• M22: 24,026,615 km (0.108 R)
• M23: 34,579,398 km (0.108 R)
• M24: 36,040,221 km (0.031 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 304.1

Radius: 5.7

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 9.38 AU - 10.18 AU

Year: 20396 Days

Day: 24.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 67.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,807,674 km

• M1: 153,338 km (0.069 R)
• M2: 461,210 km (0.098 R)
• M3: 1,473,988 km (0.111 R)
• M4: 2,950,668 km (0.08 R)
• M5: 5,108,468 km (0.061 R)
• M6: 8,093,843 km (0.099 R)
• M7: 9,631,560 km (0.099 R)
• M8: 10,834,476 km (0.054 R)
• M9: 20,131,385 km (0.061 R)
• M10: 24,163,048 km (0.07 R)
• M11: 24,456,110 km (0.081 R)
• M12: 33,413,582 km (0.097 R)
• M13: 42,605,174 km (0.095 R)
• M14: 44,479,337 km (0.107 R)
• M15: 53,182,492 km (0.106 R)
• M16: 56,890,574 km (0.028 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 11,603 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit