🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.9

Radius: 13

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.03 AU - 1.21 AU

Year: 765 Days

Day: 8.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,785,072 km

• M1: 161,715 km (0.05 R)
• M2: 606,171 km (0.073 R)
• M3: 1,171,351 km (0.108 R)
• M4: 2,141,045 km (0.093 R)
• M5: 2,621,703 km (0.119 R)
• M6: 3,922,456 km (0.073 R)
• M7: 4,922,817 km (0.078 R)
• M8: 5,483,510 km (0.118 R)
• M9: 6,026,251 km (0.072 R)
• M10: 6,668,774 km (0.053 R)
• M11: 7,518,490 km (0.083 R)
• M12: 7,945,592 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.6

Radius: 14.8

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.2 AU - 1.58 AU

Year: 1058 Days

Day: 14.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,785,072 km

• M1: 184,155 km (0.072 R)
• M2: 742,155 km (0.106 R)
• M3: 1,275,771 km (0.104 R)
• M4: 1,815,071 km (0.098 R)
• M5: 2,344,647 km (0.094 R)
• M6: 3,059,875 km (0.104 R)
• M7: 3,568,807 km (0.045 R)
• M8: 4,168,545 km (0.059 R)
• M9: 5,225,005 km (0.084 R)
• M10: 6,068,288 km (0.067 R)
• M11: 8,717,517 km (0.088 R)
• M12: 9,843,390 km (0.081 R)
• M13: 10,409,469 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.3

Radius: 10.8

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.2 AU - 1.7 AU

Year: 1127 Days

Day: 6.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,785,072 km

• M1: 134,339 km (0.109 R)
• M2: 1,215,931 km (0.026 R)
• M3: 1,907,074 km (0.119 R)
• M4: 2,300,067 km (0.087 R)
• M5: 3,299,830 km (0.105 R)
• M6: 4,104,068 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.5

Radius: 12.8

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.23 AU - 2.49 AU

Year: 2341 Days

Day: 10.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,785,072 km

• M1: 159,172 km (0.082 R)
• M2: 1,300,903 km (0.11 R)
• M3: 2,151,367 km (0.107 R)
• M4: 2,603,452 km (0.06 R)
• M5: 3,230,566 km (0.098 R)
• M6: 3,738,750 km (0.077 R)
• M7: 4,746,890 km (0.094 R)
• M8: 5,224,855 km (0.079 R)
• M9: 5,953,098 km (0.114 R)
• M10: 6,432,260 km (0.043 R)
• M11: 6,964,379 km (0.107 R)
• M12: 8,239,103 km (0.102 R)
• M13: 9,062,340 km (0.105 R)
• M14: 9,766,647 km (0.096 R)
• M15: 12,461,802 km (0.068 R)
• M16: 12,913,438 km (0.117 R)
• M17: 14,513,088 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.5

Radius: 10.2

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.69 AU - 3.99 AU

Year: 3941 Days

Day: 12 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,785,072 km

• M1: 128,205 km (0.101 R)
• M2: 455,077 km (0.032 R)
• M3: 787,483 km (0.057 R)
• M4: 1,180,028 km (0.099 R)
• M5: 1,681,929 km (0.041 R)
• M6: 2,268,951 km (0.113 R)
• M7: 3,409,335 km (0.115 R)
• M8: 3,813,100 km (0.061 R)
• M9: 6,279,520 km (0.049 R)
• M10: 7,970,425 km (0.118 R)
• M11: 9,335,954 km (0.097 R)
• M12: 10,620,102 km (0.113 R)
• M13: 11,688,381 km (0.101 R)
• M14: 13,133,795 km (0.095 R)
• M15: 13,991,590 km (0.097 R)
• M16: 14,790,442 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.9

Radius: 13.5

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.5 AU - 5.16 AU

Year: 5818 Days

Day: 10.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,785,072 km

• M1: 168,298 km (0.051 R)
• M2: 848,220 km (0.075 R)
• M3: 1,341,743 km (0.059 R)
• M4: 1,769,294 km (0.085 R)
• M5: 2,262,817 km (0.103 R)
• M6: 2,785,662 km (0.088 R)
• M7: 3,424,894 km (0.079 R)
• M8: 4,139,971 km (0.105 R)
• M9: 4,791,021 km (0.094 R)
• M10: 6,466,069 km (0.079 R)
• M11: 7,073,287 km (0.108 R)
• M12: 10,042,355 km (0.064 R)
• M13: 11,018,781 km (0.041 R)
• M14: 11,468,023 km (0.115 R)
• M15: 12,979,560 km (0.104 R)
• M16: 14,377,702 km (0.092 R)
• M17: 15,013,792 km (0.116 R)
• M18: 15,515,842 km (0.091 R)
• M19: 16,237,652 km (0.068 R)
• M20: 18,309,882 km (0.102 R)
• M21: 19,233,200 km (0.107 R)
• M22: 20,369,695 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.4

Radius: 7.8

Gravity: 14.32 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.33 AU - 8.41 AU

Year: 14255 Days

Day: 15.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,785,072 km

• M1: 105,766 km (0.114 R)
• M2: 366,066 km (0.064 R)
• M3: 1,264,850 km (0.078 R)
• M4: 3,011,106 km (0.072 R)
• M5: 3,505,826 km (0.096 R)
• M6: 3,758,647 km (0.112 R)
• M7: 5,769,242 km (0.09 R)
• M8: 7,181,446 km (0.118 R)
• M9: 9,227,047 km (0.087 R)
• M10: 9,876,451 km (0.106 R)
• M11: 11,509,761 km (0.088 R)
• M12: 15,376,567 km (0.032 R)
• M13: 17,888,016 km (0.065 R)
• M14: 20,569,707 km (0.061 R)
• M15: 22,244,007 km (0.101 R)
• M16: 24,614,983 km (0.083 R)
• M17: 25,232,972 km (0.097 R)
• M18: 28,031,499 km (0.104 R)
• M19: 29,969,091 km (0.066 R)
• M20: 36,182,938 km (0.065 R)
• M21: 37,116,129 km (0.106 R)
• M22: 41,732,720 km (0.036 R)
• M23: 43,952,154 km (0.096 R)
• M24: 45,014,298 km (0.115 R)
• M25: 47,506,300 km (0.053 R)
• M26: 47,983,667 km (0.091 R)
• M27: 49,109,690 km (0.031 R)
• M28: 49,761,039 km (0.074 R)
• M29: 55,180,521 km (0.037 R)
• M30: 57,130,679 km (0.052 R)
• M31: 64,999,976 km (0.097 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 12,324 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit