🌌 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: 658.2

Radius: 11.7

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.69 AU - 0.75 AU

Year: 394 Days

Day: 13.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,548,112 km

• M1: 145,559 km (0.104 R)
• M2: 578,645 km (0.117 R)
• M3: 999,763 km (0.11 R)
• M4: 1,368,521 km (0.066 R)
• M5: 1,999,226 km (0.117 R)
• M6: 2,450,862 km (0.1 R)
• M7: 3,065,859 km (0.073 R)
• M8: 3,468,726 km (0.112 R)
• M9: 4,126,657 km (0.066 R)
• M10: 4,506,785 km (0.068 R)
• M11: 4,985,050 km (0.06 R)
• M12: 5,385,673 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.3

Radius: 15

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.77 AU - 1.11 AU

Year: 588 Days

Day: 7.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,548,112 km

• M1: 186,549 km (0.094 R)
• M2: 876,045 km (0.102 R)
• M3: 1,476,830 km (0.034 R)
• M4: 2,116,511 km (0.109 R)
• M5: 2,747,664 km (0.118 R)
• M6: 3,224,582 km (0.107 R)
• M7: 4,140,121 km (0.053 R)
• M8: 5,539,759 km (0.107 R)
• M9: 6,077,114 km (0.083 R)
• M10: 6,772,146 km (0.12 R)
• M11: 7,257,442 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.6

Radius: 9.8

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.02 AU - 1.42 AU

Year: 870 Days

Day: 9.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,548,112 km

• M1: 121,922 km (0.086 R)
• M2: 752,328 km (0.083 R)
• M3: 1,272,180 km (0.114 R)
• M4: 1,641,986 km (0.106 R)
• M5: 2,111,424 km (0.08 R)
• M6: 3,012,452 km (0.094 R)
• M7: 3,347,103 km (0.085 R)
• M8: 6,139,497 km (0.089 R)
• M9: 6,537,427 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.1

Radius: 14.7

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.49 AU - 1.91 AU

Year: 1431 Days

Day: 10 Hours

Environment

Temp: -183 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,548,112 km

• M1: 183,108 km (0.12 R)
• M2: 756,516 km (0.044 R)
• M3: 3,004,972 km (0.09 R)
• M4: 3,624,906 km (0.119 R)
• M5: 4,484,346 km (0.113 R)
• M6: 5,750,393 km (0.038 R)
• M7: 7,825,315 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.6

Radius: 13.7

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.52 AU - 1.88 AU

Year: 1431 Days

Day: 6.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 32,548,112 km

• M1: 369,058 km (0.098 R)
• M2: 1,016,966 km (0.041 R)
• M3: 2,213,151 km (0.068 R)
• M4: 3,122,706 km (0.111 R)
• M5: 4,060,086 km (0.085 R)
• M6: 4,764,991 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.4

Radius: 10.4

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.79 AU - 2.25 AU

Year: 1854 Days

Day: 5.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,548,112 km

• M1: 129,402 km (0.096 R)
• M2: 462,557 km (0.115 R)
• M3: 1,992,793 km (0.065 R)
• M4: 3,152,626 km (0.1 R)
• M5: 3,870,845 km (0.056 R)
• M6: 4,715,175 km (0.085 R)
• M7: 5,181,173 km (0.074 R)
• M8: 5,866,032 km (0.117 R)
• M9: 8,077,238 km (0.12 R)
• M10: 8,966,448 km (0.098 R)
• M11: 9,320,247 km (0.094 R)
• M12: 10,333,174 km (0.105 R)
• M13: 11,268,908 km (0.112 R)
• M14: 12,616,636 km (0.109 R)
• M15: 14,285,101 km (0.074 R)
• M16: 14,947,221 km (0.041 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.4

Radius: 14.4

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 4.37 AU - 5.37 AU

Year: 6939 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,548,112 km

• M1: 179,368 km (0.11 R)
• M2: 2,040,665 km (0.05 R)
• M3: 2,752,601 km (0.097 R)
• M4: 4,397,579 km (0.097 R)
• M5: 4,916,684 km (0.046 R)
• M6: 6,173,605 km (0.08 R)
• M7: 6,827,048 km (0.075 R)
• M8: 7,671,678 km (0.09 R)
• M9: 8,350,254 km (0.103 R)
• M10: 9,233,480 km (0.114 R)
• M11: 11,092,383 km (0.093 R)
• M12: 15,072,135 km (0.119 R)
• M13: 17,381,328 km (0.099 R)
• M14: 20,127,945 km (0.117 R)
• M15: 20,983,794 km (0.093 R)
• M16: 22,844,792 km (0.108 R)
• M17: 24,251,161 km (0.09 R)
• M18: 26,637,546 km (0.106 R)
• M19: 30,737,874 km (0.088 R)
• M20: 32,548,158 km (0.107 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 19,499 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit