🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.6

Radius: 14.9

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.68 AU - 0.88 AU

Year: 467 Days

Day: 14.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,099,193 km

• M1: 185,352 km (0.12 R)
• M2: 730,636 km (0.043 R)
• M3: 1,314,816 km (0.11 R)
• M4: 1,986,660 km (0.091 R)
• M5: 2,477,191 km (0.114 R)
• M6: 3,028,310 km (0.112 R)
• M7: 3,530,211 km (0.062 R)
• M8: 3,997,405 km (0.073 R)
• M9: 4,548,224 km (0.065 R)
• M10: 5,073,612 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493

Radius: 10.2

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.64 AU - 1.02 AU

Year: 513 Days

Day: 8.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,099,193 km

• M1: 127,158 km (0.112 R)
• M2: 498,161 km (0.06 R)
• M3: 892,052 km (0.113 R)
• M4: 1,247,347 km (0.076 R)
• M5: 2,151,517 km (0.094 R)
• M6: 2,796,732 km (0.037 R)
• M7: 3,222,039 km (0.079 R)
• M8: 3,665,297 km (0.098 R)
• M9: 4,040,938 km (0.116 R)
• M10: 4,371,100 km (0.106 R)
• M11: 5,706,261 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.7

Radius: 10.7

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.57 AU - 1.91 AU

Year: 1557 Days

Day: 12.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,099,193 km

• M1: 135,685 km (0.099 R)
• M2: 496,815 km (0.043 R)
• M3: 915,389 km (0.088 R)
• M4: 1,274,424 km (0.085 R)
• M5: 2,044,405 km (0.104 R)
• M6: 2,571,587 km (0.047 R)
• M7: 3,277,091 km (0.119 R)
• M8: 3,866,207 km (0.046 R)
• M9: 4,376,187 km (0.083 R)
• M10: 5,318,803 km (0.058 R)
• M11: 5,749,645 km (0.083 R)
• M12: 7,235,151 km (0.111 R)
• M13: 8,011,714 km (0.1 R)
• M14: 8,463,350 km (0.059 R)
• M15: 9,112,306 km (0.067 R)
• M16: 9,825,738 km (0.03 R)
• M17: 10,948,171 km (0.095 R)
• M18: 11,540,429 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.5

Radius: 8.7

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.69 AU - 2.19 AU

Year: 1833 Days

Day: 7.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 36,099,193 km

• M1: 108,758 km (0.096 R)
• M2: 1,938,639 km (0.059 R)
• M3: 2,211,356 km (0.08 R)
• M4: 3,494,905 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.9

Radius: 10.2

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.21 AU - 2.83 AU

Year: 2713 Days

Day: 10.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,099,193 km

• M1: 127,457 km (0.03 R)
• M2: 669,750 km (0.061 R)
• M3: 1,095,056 km (0.116 R)
• M4: 1,440,627 km (0.118 R)
• M5: 1,850,077 km (0.047 R)
• M6: 3,387,195 km (0.082 R)
• M7: 5,620,691 km (0.035 R)
• M8: 5,942,476 km (0.112 R)
• M9: 7,611,091 km (0.067 R)
• M10: 8,722,603 km (0.1 R)
• M11: 9,662,676 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.8

Radius: 12.6

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.44 AU - 5.22 AU

Year: 7200 Days

Day: 8.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,099,193 km

• M1: 156,779 km (0.083 R)
• M2: 582,235 km (0.057 R)
• M3: 1,127,968 km (0.046 R)
• M4: 4,960,965 km (0.08 R)
• M5: 7,524,324 km (0.094 R)
• M6: 8,030,414 km (0.119 R)
• M7: 16,399,218 km (0.072 R)
• M8: 17,079,140 km (0.103 R)
• M9: 22,444,917 km (0.089 R)
• M10: 24,069,998 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.8

Radius: 11.8

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.33 AU - 5.73 AU

Year: 7651 Days

Day: 10.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,099,193 km

• M1: 146,756 km (0.116 R)
• M2: 1,249,142 km (0.082 R)
• M3: 1,880,744 km (0.032 R)
• M4: 2,430,517 km (0.08 R)
• M5: 3,106,101 km (0.077 R)
• M6: 3,903,308 km (0.103 R)
• M7: 5,378,941 km (0.081 R)
• M8: 6,063,351 km (0.115 R)
• M9: 6,981,583 km (0.056 R)
• M10: 9,222,410 km (0.11 R)
• M11: 9,974,737 km (0.117 R)
• M12: 11,451,418 km (0.057 R)
• M13: 12,744,542 km (0.088 R)
• M14: 15,804,716 km (0.079 R)
• M15: 18,348,029 km (0.111 R)
• M16: 18,901,691 km (0.076 R)
• M17: 19,324,155 km (0.029 R)
• M18: 21,304,083 km (0.091 R)
• M19: 21,685,109 km (0.104 R)
• M20: 24,149,584 km (0.101 R)
• M21: 26,268,788 km (0.093 R)
• M22: 27,778,978 km (0.083 R)
• M23: 28,693,769 km (0.063 R)
• M24: 33,778,152 km (0.102 R)
• M25: 34,296,658 km (0.077 R)
• M26: 35,669,518 km (0.082 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 19,896 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit