🌌 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: 793.3

Radius: 8.1

Gravity: 12.09 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.52 AU - 0.7 AU

Year: 318 Days

Day: 8.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,886,941 km

• M1: 100,829 km (0.039 R)
• M2: 372,200 km (0.096 R)
• M3: 693,685 km (0.075 R)
• M4: 983,756 km (0.052 R)
• M5: 1,733,391 km (0.083 R)
• M6: 2,255,936 km (0.077 R)
• M7: 2,701,438 km (0.098 R)
• M8: 3,150,531 km (0.092 R)
• M9: 3,916,622 km (0.116 R)
• M10: 4,397,280 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648

Radius: 10.5

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.6 AU - 0.72 AU

Year: 358 Days

Day: 6.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,886,941 km

• M1: 130,749 km (0.103 R)
• M2: 528,978 km (0.1 R)
• M3: 999,763 km (0.057 R)
• M4: 1,465,910 km (0.104 R)
• M5: 2,196,546 km (0.101 R)
• M6: 2,668,976 km (0.112 R)
• M7: 3,059,127 km (0.029 R)
• M8: 3,794,700 km (0.114 R)
• M9: 4,316,796 km (0.095 R)
• M10: 4,857,443 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.2

Radius: 9.1

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.79 AU - 0.83 AU

Year: 486 Days

Day: 5.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,886,941 km

• M1: 113,246 km (0.079 R)
• M2: 413,937 km (0.115 R)
• M3: 849,118 km (0.071 R)
• M4: 1,261,260 km (0.117 R)
• M5: 1,607,429 km (0.113 R)
• M6: 2,065,797 km (0.049 R)
• M7: 2,415,856 km (0.106 R)
• M8: 2,947,228 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.5

Radius: 11.1

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.72 AU - 0.98 AU

Year: 523 Days

Day: 14 Hours

Environment

Temp: -169 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,886,941 km

• M1: 138,079 km (0.112 R)
• M2: 493,823 km (0.116 R)
• M3: 980,165 km (0.072 R)
• M4: 1,427,612 km (0.049 R)
• M5: 1,936,395 km (0.088 R)
• M6: 2,475,695 km (0.093 R)
• M7: 3,048,505 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.1

Radius: 14.9

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.03 AU - 1.51 AU

Year: 954 Days

Day: 12.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,886,941 km

• M1: 185,651 km (0.085 R)
• M2: 783,294 km (0.069 R)
• M3: 1,620,295 km (0.093 R)
• M4: 2,178,444 km (0.09 R)
• M5: 2,936,457 km (0.112 R)
• M6: 3,435,665 km (0.105 R)
• M7: 4,968,893 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.3

Radius: 11.3

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.87 AU - 3.61 AU

Year: 3889 Days

Day: 12.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,886,941 km

• M1: 140,472 km (0.06 R)
• M2: 822,040 km (0.109 R)
• M3: 1,298,510 km (0.05 R)
• M4: 1,957,488 km (0.086 R)
• M5: 2,845,501 km (0.095 R)
• M6: 3,257,793 km (0.108 R)
• M7: 4,181,410 km (0.074 R)
• M8: 5,245,500 km (0.116 R)
• M9: 6,184,974 km (0.104 R)
• M10: 7,596,430 km (0.106 R)
• M11: 8,797,552 km (0.118 R)
• M12: 9,327,427 km (0.091 R)
• M13: 10,121,343 km (0.091 R)
• M14: 10,576,869 km (0.105 R)
• M15: 11,798,335 km (0.079 R)
• M16: 12,774,461 km (0.101 R)
• M17: 13,209,043 km (0.103 R)
• M18: 14,005,801 km (0.072 R)
• M19: 14,572,029 km (0.055 R)
• M20: 16,933,282 km (0.069 R)
• M21: 17,813,815 km (0.11 R)
• M22: 19,285,858 km (0.113 R)
• M23: 23,247,060 km (0.062 R)
• M24: 23,822,863 km (0.087 R)
• M25: 24,630,242 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.1

Radius: 10.6

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.35 AU - 4.65 AU

Year: 5335 Days

Day: 9.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,886,941 km

• M1: 133,441 km (0.084 R)
• M2: 486,492 km (0.049 R)
• M3: 1,071,121 km (0.063 R)
• M4: 1,591,871 km (0.106 R)
• M5: 2,212,702 km (0.091 R)
• M6: 2,816,330 km (0.115 R)
• M7: 3,147,390 km (0.105 R)
• M8: 3,796,196 km (0.089 R)
• M9: 4,377,682 km (0.066 R)
• M10: 5,130,010 km (0.105 R)
• M11: 5,749,196 km (0.116 R)
• M12: 7,243,978 km (0.063 R)
• M13: 8,062,428 km (0.069 R)
• M14: 8,736,216 km (0.111 R)
• M15: 9,191,892 km (0.092 R)
• M16: 9,706,957 km (0.075 R)
• M17: 10,842,255 km (0.088 R)
• M18: 11,613,881 km (0.061 R)
• M19: 12,839,387 km (0.112 R)
• M20: 13,758,367 km (0.047 R)
• M21: 15,129,581 km (0.091 R)
• M22: 16,969,036 km (0.112 R)
• M23: 17,614,102 km (0.027 R)
• M24: 18,612,219 km (0.076 R)
• M25: 19,859,267 km (0.118 R)
• M26: 23,694,358 km (0.097 R)
• M27: 25,241,200 km (0.117 R)
• M28: 26,509,042 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31

Radius: 10.7

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.97 AU - 5.21 AU

Year: 7658 Days

Day: 14.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 62,886,941 km

• M1: 156,928 km (0.099 R)
• M2: 4,705,751 km (0.043 R)
• M3: 9,173,940 km (0.092 R)
• M4: 9,951,250 km (0.103 R)
• M5: 10,877,560 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 27.8

Radius: 7

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 8.17 AU - 12.77 AU

Year: 22592 Days

Day: 22.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 141.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,886,941 km

• M1: 87,664 km (0.113 R)
• M2: 375,939 km (0.111 R)
• M3: 5,323,141 km (0.118 R)
• M4: 7,603,611 km (0.1 R)
• M5: 11,967,381 km (0.079 R)
• M6: 18,322,747 km (0.09 R)
• M7: 22,464,364 km (0.06 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 300.5

Radius: 5.4

Gravity: 10.31 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 7.94 AU - 13.06 AU

Year: 22689 Days

Day: 20.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,886,941 km

• M1: 67,169 km (0.099 R)
• M2: 1,797,418 km (0.073 R)
• M3: 2,714,603 km (0.119 R)
• M4: 3,096,826 km (0.099 R)
• M5: 9,314,113 km (0.067 R)
• M6: 13,772,429 km (0.106 R)
• M7: 15,775,095 km (0.072 R)
• M8: 16,381,116 km (0.109 R)
• M9: 18,961,081 km (0.09 R)
• M10: 38,782,650 km (0.09 R)
• M11: 40,443,635 km (0.112 R)
• M12: 43,169,607 km (0.066 R)
• M13: 46,168,745 km (0.082 R)
• M14: 48,665,833 km (0.049 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 11,098 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit