🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.7

Radius: 13.6

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.94 AU - 0.96 AU

Year: 639 Days

Day: 12.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,687,584 km

• M1: 169,195 km (0.08 R)
• M2: 621,280 km (0.044 R)
• M3: 1,235,230 km (0.073 R)
• M4: 1,860,698 km (0.081 R)
• M5: 2,390,574 km (0.109 R)
• M6: 3,212,614 km (0.107 R)
• M7: 3,646,149 km (0.047 R)
• M8: 4,187,992 km (0.089 R)
• M9: 4,952,587 km (0.066 R)
• M10: 5,401,680 km (0.09 R)
• M11: 5,895,652 km (0.102 R)

Asteroid Belt

Center: 1.49 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965

Radius: 14.3

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.95 AU - 2.11 AU

Year: 1996 Days

Day: 8.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,687,584 km

• M1: 178,021 km (0.116 R)
• M2: 855,101 km (0.102 R)
• M3: 1,505,403 km (0.103 R)
• M4: 2,238,732 km (0.025 R)
• M5: 4,636,936 km (0.041 R)
• M6: 5,523,303 km (0.11 R)
• M7: 7,424,842 km (0.049 R)
• M8: 7,876,926 km (0.112 R)
• M9: 8,836,896 km (0.091 R)
• M10: 10,760,126 km (0.047 R)
• M11: 11,301,371 km (0.109 R)
• M12: 12,065,068 km (0.104 R)
• M13: 14,424,526 km (0.079 R)
• M14: 15,517,488 km (0.077 R)
• M15: 16,059,481 km (0.086 R)
• M16: 17,390,752 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.8

Radius: 10

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.88 AU - 2.4 AU

Year: 2161 Days

Day: 12.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,687,584 km

• M1: 125,213 km (0.083 R)
• M2: 459,116 km (0.081 R)
• M3: 917,783 km (0.087 R)
• M4: 1,505,703 km (0.069 R)
• M5: 2,941,842 km (0.093 R)
• M6: 4,962,311 km (0.1 R)
• M7: 6,171,361 km (0.044 R)
• M8: 7,015,392 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.1

Radius: 9.6

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.92 AU - 3.38 AU

Year: 3859 Days

Day: 6.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 134.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,687,584 km

• M1: 121,922 km (0.093 R)
• M2: 712,235 km (0.057 R)
• M3: 1,046,437 km (0.032 R)
• M4: 1,468,901 km (0.117 R)
• M5: 3,614,584 km (0.066 R)
• M6: 4,177,820 km (0.082 R)
• M7: 5,665,720 km (0.11 R)
• M8: 6,198,887 km (0.098 R)
• M9: 9,087,622 km (0.099 R)
• M10: 12,408,096 km (0.112 R)
• M11: 15,145,737 km (0.119 R)
• M12: 15,514,047 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.8

Radius: 10

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.4 AU - 5.18 AU

Year: 7236 Days

Day: 14.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,687,584 km

• M1: 124,316 km (0.074 R)
• M2: 566,527 km (0.08 R)
• M3: 1,313,769 km (0.078 R)
• M4: 2,025,256 km (0.11 R)
• M5: 2,434,705 km (0.086 R)
• M6: 2,899,057 km (0.092 R)
• M7: 3,551,154 km (0.082 R)
• M8: 3,982,744 km (0.039 R)
• M9: 4,373,195 km (0.077 R)
• M10: 6,039,565 km (0.111 R)
• M11: 6,457,242 km (0.116 R)
• M12: 7,568,455 km (0.11 R)
• M13: 9,900,088 km (0.048 R)
• M14: 10,945,029 km (0.066 R)
• M15: 11,961,995 km (0.113 R)
• M16: 12,725,992 km (0.112 R)
• M17: 13,360,287 km (0.117 R)
• M18: 14,692,306 km (0.119 R)
• M19: 16,665,352 km (0.104 R)
• M20: 17,813,067 km (0.102 R)
• M21: 18,473,093 km (0.117 R)
• M22: 19,493,500 km (0.113 R)
• M23: 25,579,142 km (0.116 R)
• M24: 28,154,319 km (0.119 R)
• M25: 28,510,213 km (0.08 R)
• M26: 29,779,700 km (0.05 R)
• M27: 30,803,249 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.9

Radius: 14.6

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.3 AU - 6.52 AU

Year: 8686 Days

Day: 13.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,687,584 km

• M1: 181,612 km (0.11 R)
• M2: 3,132,131 km (0.093 R)
• M3: 4,686,752 km (0.087 R)
• M4: 5,324,338 km (0.116 R)
• M5: 6,080,106 km (0.114 R)
• M6: 6,774,689 km (0.025 R)
• M7: 8,474,719 km (0.107 R)
• M8: 9,756,773 km (0.083 R)
• M9: 10,710,609 km (0.085 R)
• M10: 11,917,266 km (0.054 R)
• M11: 14,490,199 km (0.092 R)
• M12: 19,816,781 km (0.075 R)
• M13: 20,502,538 km (0.118 R)
• M14: 27,069,585 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805.8

Radius: 5.8

Gravity: 23.95 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 7.44 AU - 7.52 AU

Year: 14121 Days

Day: 19.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 63,687,584 km

• M1: 72,106 km (0.112 R)
• M2: 262,095 km (0.109 R)
• M3: 678,277 km (0.104 R)
• M4: 1,007,691 km (0.117 R)
• M5: 1,877,004 km (0.096 R)
• M6: 2,870,334 km (0.103 R)
• M7: 5,094,855 km (0.072 R)
• M8: 5,417,537 km (0.101 R)
• M9: 7,834,740 km (0.099 R)
• M10: 8,510,772 km (0.072 R)
• M11: 9,542,998 km (0.091 R)
• M12: 13,137,386 km (0.108 R)
• M13: 13,540,103 km (0.105 R)
• M14: 14,511,592 km (0.079 R)
• M15: 15,677,857 km (0.069 R)
• M16: 16,515,156 km (0.111 R)
• M17: 17,222,006 km (0.065 R)
• M18: 18,695,844 km (0.055 R)
• M19: 20,970,330 km (0.088 R)
• M20: 23,130,673 km (0.11 R)
• M21: 23,619,110 km (0.06 R)
• M22: 23,915,613 km (0.042 R)
• M23: 24,718,056 km (0.06 R)
• M24: 26,909,964 km (0.117 R)
• M25: 28,108,094 km (0.112 R)
• M26: 29,341,528 km (0.114 R)
• M27: 32,765,524 km (0.111 R)
• M28: 33,381,568 km (0.083 R)
• M29: 36,710,270 km (0.104 R)
• M30: 39,833,425 km (0.037 R)
• M31: 40,253,496 km (0.086 R)
• M32: 44,919,005 km (0.103 R)
• M33: 46,447,745 km (0.118 R)
• M34: 47,381,535 km (0.096 R)
• M35: 53,078,970 km (0.071 R)
• M36: 53,587,453 km (0.046 R)
• M37: 62,927,297 km (0.047 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: 455 - 14,348 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit