🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.7

Radius: 14.6

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.69 AU - 0.75 AU

Year: 414 Days

Day: 10.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,771,018 km

• M1: 181,612 km (0.093 R)
• M2: 673,340 km (0.054 R)
• M3: 1,185,563 km (0.051 R)
• M4: 1,713,494 km (0.1 R)
• M5: 2,363,946 km (0.11 R)
• M6: 2,917,757 km (0.095 R)
• M7: 3,462,742 km (0.114 R)
• M8: 4,075,644 km (0.088 R)
• M9: 4,716,522 km (0.086 R)
• M10: 5,669,759 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.5

Radius: 14.9

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.55 AU - 1.87 AU

Year: 1517 Days

Day: 5.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,771,018 km

• M1: 188,045 km (0.1 R)
• M2: 834,607 km (0.047 R)
• M3: 1,527,843 km (0.114 R)
• M4: 2,087,489 km (0.091 R)
• M5: 4,454,875 km (0.067 R)
• M6: 6,103,892 km (0.091 R)
• M7: 7,156,014 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.3

Radius: 9.5

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.72 AU - 3.46 AU

Year: 3684 Days

Day: 11.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,771,018 km

• M1: 118,182 km (0.045 R)
• M2: 503,397 km (0.049 R)
• M3: 930,349 km (0.059 R)
• M4: 1,266,496 km (0.12 R)
• M5: 1,814,772 km (0.086 R)
• M6: 2,671,220 km (0.11 R)
• M7: 3,163,546 km (0.105 R)
• M8: 4,068,015 km (0.064 R)
• M9: 4,534,461 km (0.102 R)
• M10: 4,986,845 km (0.106 R)
• M11: 5,601,094 km (0.09 R)
• M12: 6,066,194 km (0.053 R)
• M13: 6,527,254 km (0.077 R)
• M14: 6,857,566 km (0.076 R)
• M15: 7,199,098 km (0.025 R)
• M16: 8,188,987 km (0.119 R)
• M17: 8,609,357 km (0.105 R)
• M18: 9,266,840 km (0.119 R)
• M19: 13,352,807 km (0.103 R)
• M20: 17,972,239 km (0.053 R)
• M21: 18,384,681 km (0.091 R)
• M22: 20,414,724 km (0.1 R)
• M23: 20,993,368 km (0.1 R)
• M24: 21,915,190 km (0.109 R)
• M25: 23,278,625 km (0.039 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93.9

Radius: 7.1

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.59 AU - 6.35 AU

Year: 9894 Days

Day: 15.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,771,018 km

• M1: 88,412 km (0.082 R)
• M2: 452,234 km (0.112 R)
• M3: 802,742 km (0.076 R)
• M4: 1,182,272 km (0.106 R)
• M5: 1,516,474 km (0.043 R)
• M6: 2,228,410 km (0.028 R)
• M7: 3,486,827 km (0.059 R)
• M8: 4,290,916 km (0.091 R)
• M9: 4,712,483 km (0.055 R)
• M10: 5,212,887 km (0.044 R)
• M11: 8,367,607 km (0.041 R)
• M12: 9,138,635 km (0.084 R)
• M13: 10,949,218 km (0.077 R)
• M14: 11,250,957 km (0.081 R)
• M15: 19,565,906 km (0.109 R)
• M16: 20,138,716 km (0.098 R)
• M17: 22,197,631 km (0.085 R)
• M18: 22,611,718 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 171.5

Radius: 8

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 6.41 AU - 6.53 AU

Year: 11162 Days

Day: 16.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,771,018 km

• M1: 108,758 km (0.069 R)
• M2: 1,453,643 km (0.093 R)
• M3: 2,112,023 km (0.108 R)
• M4: 3,132,131 km (0.115 R)
• M5: 4,054,102 km (0.059 R)
• M6: 4,474,772 km (0.094 R)
• M7: 6,789,350 km (0.067 R)
• M8: 7,860,770 km (0.111 R)
• M9: 9,544,494 km (0.109 R)
• M10: 19,308,148 km (0.118 R)
• M11: 25,007,827 km (0.061 R)
• M12: 27,017,375 km (0.111 R)
• M13: 27,449,265 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.6

Radius: 7.3

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.59 AU - 7.71 AU

Year: 11631 Days

Day: 23.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,771,018 km

• M1: 92,003 km (0.045 R)
• M2: 392,395 km (0.054 R)
• M3: 625,469 km (0.064 R)
• M4: 1,423,723 km (0.045 R)
• M5: 2,287,950 km (0.109 R)
• M6: 4,533,713 km (0.109 R)
• M7: 4,935,683 km (0.089 R)
• M8: 7,427,983 km (0.065 R)
• M9: 7,905,499 km (0.099 R)
• M10: 9,010,130 km (0.089 R)
• M11: 9,369,913 km (0.078 R)
• M12: 9,786,094 km (0.068 R)
• M13: 13,629,712 km (0.086 R)
• M14: 15,211,411 km (0.118 R)
• M15: 17,115,792 km (0.077 R)
• M16: 17,459,567 km (0.083 R)
• M17: 18,518,272 km (0.068 R)
• M18: 19,321,463 km (0.083 R)
• M19: 20,147,692 km (0.06 R)
• M20: 25,606,368 km (0.115 R)
• M21: 26,419,582 km (0.096 R)
• M22: 26,694,543 km (0.037 R)
• M23: 30,243,753 km (0.076 R)
• M24: 34,312,366 km (0.074 R)
• M25: 38,028,078 km (0.074 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 158 - 15,540 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit