🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.2

Radius: 10.7

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.58 AU - 0.64 AU

Year: 335 Days

Day: 9.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 61,454,950 km

• M1: 134,937 km (0.08 R)
• M2: 870,809 km (0.117 R)
• M3: 1,244,505 km (0.057 R)
• M4: 1,581,997 km (0.116 R)
• M5: 2,268,652 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.6

Radius: 10.1

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.5 AU - 0.78 AU

Year: 360 Days

Day: 8.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,454,950 km

• M1: 125,662 km (0.094 R)
• M2: 442,810 km (0.082 R)
• M3: 987,047 km (0.069 R)
• M4: 1,349,223 km (0.078 R)
• M5: 1,717,832 km (0.085 R)
• M6: 2,170,067 km (0.074 R)
• M7: 2,672,566 km (0.086 R)
• M8: 3,032,798 km (0.082 R)
• M9: 3,447,483 km (0.116 R)
• M10: 3,839,729 km (0.053 R)
• M11: 4,444,254 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375

Radius: 8.9

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.19 AU - 2.65 AU

Year: 2646 Days

Day: 8 Hours

Environment

Temp: -213 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,454,950 km

• M1: 111,002 km (0.073 R)
• M2: 412,741 km (0.119 R)
• M3: 719,566 km (0.061 R)
• M4: 1,930,561 km (0.082 R)
• M5: 2,541,219 km (0.08 R)
• M6: 3,083,362 km (0.079 R)
• M7: 3,390,636 km (0.089 R)
• M8: 3,936,219 km (0.071 R)
• M9: 4,746,441 km (0.093 R)
• M10: 5,406,766 km (0.087 R)
• M11: 6,076,965 km (0.103 R)
• M12: 7,381,757 km (0.059 R)
• M13: 7,698,755 km (0.087 R)
• M14: 8,453,028 km (0.117 R)
• M15: 10,680,690 km (0.097 R)
• M16: 11,199,196 km (0.045 R)
• M17: 11,656,965 km (0.101 R)
• M18: 12,206,737 km (0.037 R)
• M19: 13,189,147 km (0.051 R)
• M20: 14,401,039 km (0.117 R)
• M21: 15,125,990 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.3

Radius: 10.2

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.02 AU - 3.26 AU

Year: 3015 Days

Day: 10.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,454,950 km

• M1: 140,173 km (0.091 R)
• M2: 664,663 km (0.039 R)
• M3: 1,040,004 km (0.034 R)
• M4: 1,442,423 km (0.116 R)
• M5: 2,013,139 km (0.076 R)
• M6: 3,488,922 km (0.059 R)
• M7: 5,584,339 km (0.103 R)
• M8: 8,096,386 km (0.065 R)
• M9: 9,091,511 km (0.045 R)
• M10: 11,026,111 km (0.069 R)
• M11: 12,844,174 km (0.111 R)
• M12: 13,268,583 km (0.102 R)
• M13: 16,068,906 km (0.102 R)
• M14: 16,784,133 km (0.098 R)
• M15: 19,922,098 km (0.116 R)
• M16: 22,062,096 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.2

Radius: 12.4

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.57 AU - 5.67 AU

Year: 6980 Days

Day: 9.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,454,950 km

• M1: 154,385 km (0.099 R)
• M2: 683,363 km (0.115 R)
• M3: 1,117,346 km (0.036 R)
• M4: 1,792,332 km (0.112 R)
• M5: 2,278,076 km (0.102 R)
• M6: 3,605,009 km (0.097 R)
• M7: 4,587,867 km (0.112 R)
• M8: 5,225,454 km (0.113 R)
• M9: 6,355,217 km (0.074 R)
• M10: 7,357,223 km (0.099 R)
• M11: 10,365,786 km (0.038 R)
• M12: 12,947,696 km (0.092 R)
• M13: 15,521,377 km (0.115 R)
• M14: 23,223,274 km (0.075 R)
• M15: 23,683,587 km (0.105 R)
• M16: 25,995,024 km (0.074 R)
• M17: 27,163,233 km (0.063 R)
• M18: 29,514,314 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.7

Radius: 8.9

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.59 AU - 5.57 AU

Year: 8048 Days

Day: 10.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,454,950 km

• M1: 110,702 km (0.054 R)
• M2: 868,715 km (0.06 R)
• M3: 1,436,738 km (0.118 R)
• M4: 1,804,599 km (0.108 R)
• M5: 2,641,749 km (0.113 R)
• M6: 3,097,574 km (0.081 R)
• M7: 3,649,590 km (0.099 R)
• M8: 5,231,587 km (0.113 R)
• M9: 5,704,915 km (0.063 R)
• M10: 6,601,904 km (0.106 R)
• M11: 7,927,490 km (0.027 R)
• M12: 8,235,961 km (0.067 R)
• M13: 8,592,602 km (0.044 R)
• M14: 10,765,512 km (0.111 R)
• M15: 13,120,032 km (0.055 R)
• M16: 14,332,074 km (0.093 R)
• M17: 14,848,785 km (0.117 R)
• M18: 17,751,583 km (0.105 R)
• M19: 18,347,730 km (0.111 R)
• M20: 18,684,475 km (0.072 R)
• M21: 21,233,323 km (0.099 R)
• M22: 26,750,194 km (0.113 R)
• M23: 32,657,365 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.2

Radius: 7.3

Gravity: 18.39 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.55 AU - 6.81 AU

Year: 12136 Days

Day: 21.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 61,454,950 km

• M1: 90,806 km (0.109 R)
• M2: 356,492 km (0.055 R)
• M3: 857,046 km (0.095 R)
• M4: 1,901,239 km (0.112 R)
• M5: 2,197,294 km (0.112 R)
• M6: 2,930,024 km (0.07 R)
• M7: 4,834,704 km (0.077 R)
• M8: 5,072,565 km (0.079 R)
• M9: 5,909,265 km (0.115 R)
• M10: 6,260,671 km (0.114 R)
• M11: 7,669,584 km (0.104 R)
• M12: 7,900,264 km (0.107 R)
• M13: 9,382,479 km (0.1 R)
• M14: 12,439,063 km (0.101 R)
• M15: 14,364,537 km (0.054 R)
• M16: 18,963,176 km (0.036 R)
• M17: 23,378,706 km (0.105 R)
• M18: 27,241,473 km (0.111 R)
• M19: 28,105,550 km (0.116 R)
• M20: 30,345,778 km (0.038 R)
• M21: 31,157,048 km (0.117 R)
• M22: 31,627,234 km (0.116 R)
• M23: 31,982,828 km (0.037 R)
• M24: 34,673,196 km (0.031 R)
• M25: 34,924,969 km (0.05 R)
• M26: 36,591,639 km (0.097 R)
• M27: 37,776,006 km (0.07 R)
• M28: 38,042,739 km (0.078 R)
• M29: 39,121,788 km (0.081 R)
• M30: 40,499,285 km (0.086 R)
• M31: 41,624,261 km (0.063 R)
• M32: 42,481,607 km (0.086 R)
• M33: 50,896,337 km (0.059 R)
• M34: 52,371,372 km (0.052 R)
• M35: 53,874,532 km (0.093 R)
• M36: 54,721,854 km (0.062 R)
• M37: 56,966,720 km (0.11 R)
• M38: 59,272,172 km (0.1 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 17,137 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit