🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.14 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.4

Radius: 10

Gravity: 9.97 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.92 AU - 2.62 AU

Year: 2175 Days

Day: 8.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,239,778 km

• M1: 124,465 km (0.078 R)
• M2: 615,446 km (0.102 R)
• M3: 968,497 km (0.09 R)
• M4: 1,282,353 km (0.045 R)
• M5: 1,753,437 km (0.092 R)
• M6: 2,138,202 km (0.092 R)
• M7: 2,822,014 km (0.114 R)
• M8: 3,147,390 km (0.086 R)
• M9: 4,052,756 km (0.106 R)
• M10: 4,687,500 km (0.101 R)
• M11: 5,510,288 km (0.103 R)
• M12: 6,426,575 km (0.08 R)
• M13: 8,626,412 km (0.118 R)
• M14: 12,325,967 km (0.12 R)
• M15: 12,979,410 km (0.071 R)
• M16: 14,835,322 km (0.084 R)
• M17: 15,776,143 km (0.083 R)
• M18: 16,390,541 km (0.089 R)
• M19: 17,558,302 km (0.038 R)
• M20: 18,610,723 km (0.087 R)
• M21: 19,008,803 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.2

Radius: 11.4

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.88 AU - 4.44 AU

Year: 4452 Days

Day: 8.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,239,778 km

• M1: 169,195 km (0.102 R)
• M2: 850,613 km (0.03 R)
• M3: 1,219,372 km (0.095 R)
• M4: 1,813,276 km (0.106 R)
• M5: 2,363,347 km (0.046 R)
• M6: 3,355,480 km (0.068 R)
• M7: 3,778,693 km (0.034 R)
• M8: 4,382,470 km (0.111 R)
• M9: 4,811,217 km (0.105 R)
• M10: 5,636,698 km (0.082 R)
• M11: 6,022,810 km (0.069 R)
• M12: 7,049,052 km (0.072 R)
• M13: 7,675,418 km (0.101 R)
• M14: 9,079,992 km (0.08 R)
• M15: 11,010,702 km (0.061 R)
• M16: 11,380,808 km (0.086 R)
• M17: 13,725,006 km (0.028 R)
• M18: 14,317,115 km (0.12 R)
• M19: 18,233,886 km (0.11 R)
• M20: 21,138,927 km (0.032 R)
• M21: 23,037,773 km (0.113 R)
• M22: 24,183,693 km (0.1 R)
• M23: 24,968,333 km (0.107 R)
• M24: 25,689,096 km (0.083 R)
• M25: 26,506,200 km (0.082 R)
• M26: 29,414,083 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.6

Radius: 8.7

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.41 AU - 5.11 AU

Year: 6603 Days

Day: 7.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,239,778 km

• M1: 108,907 km (0.119 R)
• M2: 1,299,108 km (0.073 R)
• M3: 2,217,938 km (0.1 R)
• M4: 3,118,517 km (0.074 R)
• M5: 4,287,924 km (0.077 R)
• M6: 7,305,911 km (0.095 R)
• M7: 9,786,543 km (0.074 R)
• M8: 12,962,506 km (0.103 R)
• M9: 14,336,862 km (0.118 R)
• M10: 17,766,094 km (0.092 R)
• M11: 19,761,131 km (0.112 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 201.1

Radius: 4.7

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 6.1 AU - 7.78 AU

Year: 11624 Days

Day: 23.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,239,778 km

• M1: 60,438 km (0.109 R)
• M2: 781,798 km (0.114 R)
• M3: 1,502,262 km (0.114 R)
• M4: 2,192,656 km (0.1 R)
• M5: 3,995,909 km (0.098 R)
• M6: 7,353,633 km (0.119 R)
• M7: 10,539,320 km (0.112 R)
• M8: 11,811,350 km (0.103 R)
• M9: 14,539,118 km (0.067 R)
• M10: 19,658,955 km (0.117 R)
• M11: 21,122,920 km (0.117 R)
• M12: 22,579,555 km (0.112 R)
• M13: 32,050,297 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 77.6

Radius: 7.5

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.57 AU - 8.49 AU

Year: 13138 Days

Day: 24.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,239,778 km

• M1: 93,349 km (0.068 R)
• M2: 335,698 km (0.102 R)
• M3: 603,478 km (0.102 R)
• M4: 1,027,588 km (0.069 R)
• M5: 1,475,185 km (0.075 R)
• M6: 2,267,156 km (0.116 R)
• M7: 3,295,940 km (0.097 R)
• M8: 3,600,970 km (0.117 R)
• M9: 3,880,569 km (0.081 R)
• M10: 4,833,507 km (0.114 R)
• M11: 8,028,768 km (0.04 R)
• M12: 10,143,633 km (0.113 R)
• M13: 11,512,454 km (0.09 R)
• M14: 14,993,297 km (0.105 R)
• M15: 16,645,306 km (0.101 R)
• M16: 17,001,648 km (0.044 R)
• M17: 18,668,767 km (0.03 R)
• M18: 22,903,733 km (0.1 R)
• M19: 27,242,819 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.3

Radius: 3.8

Gravity: 15.6 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 10.09 AU - 11.25 AU

Year: 22161 Days

Day: 23.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,239,778 km

• M1: 95,443 km (0.119 R)
• M2: 678,875 km (0.108 R)
• M3: 1,375,702 km (0.077 R)
• M4: 2,012,091 km (0.092 R)
• M5: 4,577,545 km (0.101 R)
• M6: 5,167,858 km (0.089 R)
• M7: 5,305,638 km (0.119 R)
• M8: 5,956,090 km (0.077 R)
• M9: 19,737,195 km (0.109 R)
• M10: 27,229,655 km (0.099 R)
• M11: 28,602,514 km (0.109 R)
• M12: 29,034,104 km (0.071 R)
• M13: 33,710,983 km (0.077 R)
• M14: 35,045,994 km (0.08 R)
• M15: 43,094,210 km (0.109 R)
• M16: 45,831,851 km (0.113 R)
• M17: 51,016,015 km (0.094 R)
• M18: 53,585,508 km (0.092 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 13,035 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit