🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.9

Radius: 11.9

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.79 AU - 0.81 AU

Year: 494 Days

Day: 12.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 49,272,808 km

• M1: 147,952 km (0.115 R)
• M2: 1,480,121 km (0.047 R)
• M3: 2,301,114 km (0.072 R)
• M4: 2,754,246 km (0.106 R)
• M5: 3,414,721 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.2

Radius: 10.3

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.98 AU - 2.36 AU

Year: 2206 Days

Day: 8.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,272,808 km

• M1: 128,205 km (0.087 R)
• M2: 1,231,490 km (0.101 R)
• M3: 2,072,080 km (0.042 R)
• M4: 2,605,995 km (0.086 R)
• M5: 3,315,837 km (0.118 R)
• M6: 4,048,866 km (0.092 R)
• M7: 7,319,973 km (0.072 R)
• M8: 8,149,942 km (0.1 R)
• M9: 8,615,790 km (0.056 R)
• M10: 9,873,908 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718

Radius: 11.1

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.86 AU - 2.9 AU

Year: 3374 Days

Day: 7.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,272,808 km

• M1: 138,677 km (0.113 R)
• M2: 491,579 km (0.084 R)
• M3: 913,893 km (0.038 R)
• M4: 1,754,783 km (0.099 R)
• M5: 2,205,222 km (0.081 R)
• M6: 3,323,616 km (0.063 R)
• M7: 3,935,471 km (0.115 R)
• M8: 4,574,404 km (0.117 R)
• M9: 5,384,476 km (0.101 R)
• M10: 6,851,582 km (0.06 R)
• M11: 8,184,200 km (0.111 R)
• M12: 9,114,549 km (0.117 R)
• M13: 9,916,244 km (0.028 R)
• M14: 10,273,933 km (0.089 R)
• M15: 10,764,315 km (0.115 R)
• M16: 15,961,345 km (0.095 R)
• M17: 17,410,799 km (0.083 R)
• M18: 18,946,122 km (0.043 R)
• M19: 20,892,390 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.6

Radius: 12.7

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.01 AU - 3.93 AU

Year: 4462 Days

Day: 13.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,272,808 km

• M1: 157,975 km (0.063 R)
• M2: 591,360 km (0.069 R)
• M3: 1,144,424 km (0.078 R)
• M4: 1,724,415 km (0.088 R)
• M5: 2,287,351 km (0.088 R)
• M6: 3,258,990 km (0.047 R)
• M7: 3,829,257 km (0.111 R)
• M8: 4,748,835 km (0.117 R)
• M9: 5,274,223 km (0.101 R)
• M10: 5,700,427 km (0.078 R)
• M11: 7,215,404 km (0.114 R)
• M12: 8,014,856 km (0.098 R)
• M13: 8,798,748 km (0.103 R)
• M14: 11,025,812 km (0.1 R)
• M15: 12,548,419 km (0.092 R)
• M16: 15,516,890 km (0.106 R)
• M17: 16,905,607 km (0.097 R)
• M18: 18,134,852 km (0.103 R)
• M19: 18,740,873 km (0.11 R)
• M20: 20,314,792 km (0.092 R)
• M21: 20,968,535 km (0.088 R)
• M22: 22,664,227 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250

Radius: 4.6

Gravity: 11.81 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.87 AU - 9.05 AU

Year: 14064 Days

Day: 18.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,272,808 km

• M1: 57,146 km (0.104 R)
• M2: 207,941 km (0.112 R)
• M3: 395,686 km (0.058 R)
• M4: 1,040,902 km (0.077 R)
• M5: 1,374,056 km (0.048 R)
• M6: 1,774,979 km (0.101 R)
• M7: 2,250,102 km (0.107 R)
• M8: 3,447,633 km (0.119 R)
• M9: 4,319,339 km (0.078 R)
• M10: 4,956,177 km (0.107 R)
• M11: 7,319,225 km (0.114 R)
• M12: 8,392,441 km (0.028 R)
• M13: 12,235,311 km (0.083 R)
• M14: 14,041,855 km (0.059 R)
• M15: 14,535,378 km (0.117 R)
• M16: 17,458,371 km (0.115 R)
• M17: 21,309,917 km (0.117 R)
• M18: 23,734,151 km (0.09 R)
• M19: 24,611,094 km (0.075 R)
• M20: 28,432,422 km (0.097 R)
• M21: 28,726,681 km (0.08 R)
• M22: 32,098,318 km (0.119 R)
• M23: 33,495,861 km (0.074 R)
• M24: 34,821,448 km (0.12 R)
• M25: 41,346,308 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.1

Radius: 6.3

Gravity: 17.89 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 7.49 AU - 9.89 AU

Year: 17682 Days

Day: 15.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 49,272,808 km

• M1: 78,389 km (0.089 R)
• M2: 363,224 km (0.108 R)
• M3: 572,062 km (0.12 R)
• M4: 963,111 km (0.119 R)
• M5: 1,212,341 km (0.072 R)
• M6: 1,568,085 km (0.046 R)
• M7: 2,108,582 km (0.072 R)
• M8: 3,116,423 km (0.112 R)
• M9: 3,997,255 km (0.117 R)
• M10: 4,579,340 km (0.076 R)
• M11: 5,033,819 km (0.098 R)
• M12: 5,517,768 km (0.117 R)
• M13: 5,791,083 km (0.064 R)
• M14: 6,032,385 km (0.025 R)
• M15: 7,020,478 km (0.118 R)
• M16: 7,388,190 km (0.049 R)
• M17: 9,756,923 km (0.087 R)
• M18: 10,331,827 km (0.064 R)
• M19: 11,298,080 km (0.075 R)
• M20: 13,619,540 km (0.117 R)
• M21: 16,320,529 km (0.087 R)
• M22: 16,721,900 km (0.117 R)
• M23: 17,047,725 km (0.074 R)
• M24: 18,221,469 km (0.069 R)
• M25: 20,265,126 km (0.117 R)
• M26: 20,542,480 km (0.092 R)
• M27: 23,660,848 km (0.104 R)
• M28: 24,175,016 km (0.103 R)
• M29: 25,439,268 km (0.054 R)
• M30: 30,573,466 km (0.097 R)
• M31: 33,061,728 km (0.036 R)
• M32: 34,486,199 km (0.096 R)
• M33: 37,318,535 km (0.108 R)
• M34: 40,447,973 km (0.111 R)
• M35: 46,098,135 km (0.101 R)
• M36: 67,383,967 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 205.2

Radius: 4.8

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 9.02 AU - 9.24 AU

Year: 19042 Days

Day: 17.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,272,808 km

• M1: 59,989 km (0.097 R)
• M2: 225,743 km (0.109 R)
• M3: 620,233 km (0.079 R)
• M4: 1,039,107 km (0.087 R)
• M5: 2,934,213 km (0.096 R)
• M6: 4,514,415 km (0.11 R)
• M7: 5,007,789 km (0.117 R)
• M8: 5,502,210 km (0.072 R)
• M9: 5,778,966 km (0.072 R)
• M10: 7,895,476 km (0.08 R)
• M11: 8,518,402 km (0.059 R)
• M12: 9,030,475 km (0.066 R)
• M13: 11,285,215 km (0.106 R)
• M14: 20,738,603 km (0.109 R)
• M15: 21,323,830 km (0.078 R)
• M16: 25,351,454 km (0.06 R)
• M17: 26,116,796 km (0.068 R)
• M18: 26,799,112 km (0.113 R)
• M19: 27,593,327 km (0.067 R)
• M20: 31,144,182 km (0.073 R)
• M21: 31,690,663 km (0.051 R)
• M22: 35,459,782 km (0.033 R)
• M23: 36,901,307 km (0.069 R)
• M24: 38,381,428 km (0.099 R)
• M25: 38,757,517 km (0.086 R)
• M26: 48,538,226 km (0.091 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: 315 - 19,433 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit