🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.7

Radius: 9.8

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.79 AU - 1.22 AU

Year: 656 Days

Day: 13.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,817,652 km

• M1: 121,922 km (0.113 R)
• M2: 428,149 km (0.114 R)
• M3: 752,776 km (0.072 R)
• M4: 1,138,141 km (0.105 R)
• M5: 1,595,312 km (0.073 R)
• M6: 2,126,833 km (0.099 R)
• M7: 2,551,092 km (0.12 R)
• M8: 3,077,827 km (0.065 R)
• M9: 3,405,147 km (0.112 R)
• M10: 3,933,078 km (0.056 R)
• M11: 4,393,989 km (0.093 R)
• M12: 5,253,428 km (0.099 R)
• M13: 6,089,381 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.4

Radius: 12.1

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.23 AU - 1.25 AU

Year: 906 Days

Day: 8.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 143.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,817,652 km

• M1: 150,495 km (0.093 R)
• M2: 550,221 km (0.046 R)
• M3: 992,283 km (0.099 R)
• M4: 1,462,768 km (0.077 R)
• M5: 2,475,396 km (0.109 R)
• M6: 3,335,285 km (0.109 R)
• M7: 4,645,612 km (0.109 R)
• M8: 6,192,005 km (0.101 R)
• M9: 7,444,289 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.5

Radius: 12.3

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.21 AU - 1.81 AU

Year: 1217 Days

Day: 13.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,817,652 km

• M1: 153,039 km (0.098 R)
• M2: 593,305 km (0.12 R)
• M3: 1,114,205 km (0.108 R)
• M4: 1,705,565 km (0.099 R)
• M5: 2,220,481 km (0.039 R)
• M6: 2,826,801 km (0.066 R)
• M7: 3,219,496 km (0.098 R)
• M8: 4,043,331 km (0.12 R)
• M9: 4,608,362 km (0.025 R)
• M10: 5,139,136 km (0.107 R)
• M11: 5,766,250 km (0.111 R)
• M12: 6,343,847 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.4

Radius: 10.2

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.51 AU - 2.39 AU

Year: 1786 Days

Day: 9.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,817,652 km

• M1: 128,804 km (0.099 R)
• M2: 563,984 km (0.079 R)
• M3: 921,972 km (0.095 R)
• M4: 1,321,248 km (0.084 R)
• M5: 1,687,614 km (0.114 R)
• M6: 2,062,506 km (0.074 R)
• M7: 2,399,699 km (0.025 R)
• M8: 2,952,763 km (0.074 R)
• M9: 4,722,206 km (0.108 R)
• M10: 5,856,906 km (0.112 R)
• M11: 6,998,188 km (0.099 R)
• M12: 7,946,938 km (0.078 R)
• M13: 10,134,209 km (0.085 R)
• M14: 11,968,727 km (0.101 R)
• M15: 15,377,165 km (0.098 R)
• M16: 15,945,936 km (0.075 R)

Asteroid Belt

Center: 2.47 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.6

Radius: 15

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.91 AU - 3.05 AU

Year: 3375 Days

Day: 9.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,817,652 km

• M1: 186,997 km (0.094 R)
• M2: 746,045 km (0.048 R)
• M3: 1,277,416 km (0.037 R)
• M4: 1,766,601 km (0.115 R)
• M5: 2,731,508 km (0.063 R)
• M6: 3,404,997 km (0.032 R)
• M7: 5,344,234 km (0.098 R)
• M8: 6,044,502 km (0.098 R)
• M9: 6,934,161 km (0.096 R)
• M10: 7,881,414 km (0.055 R)
• M11: 8,430,738 km (0.048 R)
• M12: 9,287,185 km (0.095 R)
• M13: 11,831,546 km (0.082 R)
• M14: 12,945,452 km (0.118 R)
• M15: 13,507,641 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.3

Radius: 14.9

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.61 AU - 6.01 AU

Year: 8027 Days

Day: 10.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,817,652 km

• M1: 195,674 km (0.099 R)
• M2: 878,439 km (0.064 R)
• M3: 1,342,342 km (0.081 R)
• M4: 3,850,200 km (0.095 R)
• M5: 4,459,961 km (0.091 R)
• M6: 5,565,490 km (0.081 R)
• M7: 8,255,558 km (0.046 R)
• M8: 12,072,698 km (0.086 R)
• M9: 13,946,411 km (0.085 R)
• M10: 15,392,275 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259

Radius: 6.6

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.79 AU - 7.69 AU

Year: 12780 Days

Day: 16.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 40,817,652 km

• M1: 82,129 km (0.102 R)
• M2: 304,132 km (0.087 R)
• M3: 564,882 km (0.077 R)
• M4: 823,087 km (0.038 R)
• M5: 1,035,068 km (0.116 R)
• M6: 1,355,357 km (0.108 R)
• M7: 2,079,261 km (0.117 R)
• M8: 2,443,083 km (0.074 R)
• M9: 2,708,769 km (0.113 R)
• M10: 3,298,334 km (0.114 R)
• M11: 4,021,340 km (0.105 R)
• M12: 4,338,488 km (0.087 R)
• M13: 4,558,995 km (0.039 R)
• M14: 5,113,106 km (0.074 R)
• M15: 5,517,469 km (0.116 R)
• M16: 5,776,871 km (0.106 R)
• M17: 6,712,606 km (0.094 R)
• M18: 6,970,962 km (0.1 R)
• M19: 10,810,840 km (0.074 R)
• M20: 11,217,596 km (0.099 R)
• M21: 12,610,203 km (0.063 R)
• M22: 12,834,151 km (0.093 R)
• M23: 14,972,054 km (0.118 R)
• M24: 15,863,807 km (0.037 R)
• M25: 21,095,544 km (0.066 R)
• M26: 25,453,629 km (0.117 R)
• M27: 26,814,222 km (0.086 R)
• M28: 32,009,756 km (0.099 R)
• M29: 33,700,960 km (0.112 R)
• M30: 36,461,190 km (0.104 R)
• M31: 39,488,153 km (0.113 R)
• M32: 40,817,629 km (0.081 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 11,358 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit