🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900

Radius: 12.5

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.57 AU - 0.87 AU

Year: 414 Days

Day: 7.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,402,500 km

• M1: 155,432 km (0.094 R)
• M2: 584,180 km (0.083 R)
• M3: 1,104,930 km (0.036 R)
• M4: 1,652,308 km (0.099 R)
• M5: 2,312,933 km (0.09 R)
• M6: 2,721,335 km (0.076 R)
• M7: 3,341,867 km (0.086 R)
• M8: 3,802,329 km (0.118 R)
• M9: 4,276,854 km (0.107 R)
• M10: 5,071,069 km (0.115 R)
• M11: 5,613,810 km (0.069 R)
• M12: 6,104,491 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.8

Radius: 10.2

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.94 AU - 1.34 AU

Year: 826 Days

Day: 6.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,402,500 km

• M1: 126,859 km (0.091 R)
• M2: 517,908 km (0.106 R)
• M3: 850,913 km (0.079 R)
• M4: 1,394,551 km (0.043 R)
• M5: 1,829,133 km (0.09 R)
• M6: 2,353,324 km (0.083 R)
• M7: 2,881,853 km (0.106 R)
• M8: 3,487,874 km (0.094 R)
• M9: 4,058,590 km (0.097 R)
• M10: 4,904,117 km (0.114 R)
• M11: 5,957,586 km (0.109 R)
• M12: 6,347,138 km (0.089 R)
• M13: 7,005,668 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.2

Radius: 15

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.95 AU - 1.39 AU

Year: 858 Days

Day: 11.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,402,500 km

• M1: 186,549 km (0.036 R)
• M2: 1,003,203 km (0.097 R)
• M3: 1,901,688 km (0.114 R)
• M4: 2,703,982 km (0.094 R)
• M5: 3,361,763 km (0.078 R)
• M6: 4,668,351 km (0.114 R)
• M7: 5,182,818 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.5

Radius: 10.7

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.99 AU - 1.41 AU

Year: 892 Days

Day: 12.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,402,500 km

• M1: 133,142 km (0.069 R)
• M2: 617,540 km (0.093 R)
• M3: 1,700,479 km (0.073 R)
• M4: 2,157,201 km (0.111 R)
• M5: 2,694,856 km (0.074 R)
• M6: 3,333,789 km (0.112 R)
• M7: 3,948,486 km (0.099 R)
• M8: 4,654,289 km (0.103 R)
• M9: 5,311,024 km (0.12 R)
• M10: 6,613,423 km (0.082 R)
• M11: 7,374,277 km (0.086 R)
• M12: 8,701,211 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.9

Radius: 10.5

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.2 AU - 1.48 AU

Year: 1052 Days

Day: 7.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,402,500 km

• M1: 130,599 km (0.119 R)
• M2: 507,586 km (0.106 R)
• M3: 928,554 km (0.107 R)
• M4: 1,450,202 km (0.06 R)
• M5: 2,053,829 km (0.064 R)
• M6: 2,473,900 km (0.096 R)
• M7: 2,807,204 km (0.037 R)
• M8: 4,177,072 km (0.045 R)
• M9: 5,248,641 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.9

Radius: 12.5

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.76 AU - 3.9 AU

Year: 5084 Days

Day: 13 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,402,500 km

• M1: 177,872 km (0.116 R)
• M2: 668,403 km (0.096 R)
• M3: 1,674,599 km (0.092 R)
• M4: 2,369,032 km (0.075 R)
• M5: 4,960,815 km (0.115 R)
• M6: 7,211,814 km (0.097 R)
• M7: 9,297,358 km (0.102 R)
• M8: 9,941,975 km (0.057 R)
• M9: 11,659,957 km (0.047 R)
• M10: 13,245,246 km (0.106 R)
• M11: 17,863,631 km (0.102 R)
• M12: 20,748,477 km (0.04 R)
• M13: 22,682,478 km (0.046 R)
• M14: 24,491,266 km (0.093 R)
• M15: 26,140,582 km (0.036 R)
• M16: 27,774,939 km (0.096 R)
• M17: 31,627,832 km (0.09 R)
• M18: 32,205,878 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.8

Radius: 4.9

Gravity: 30.1 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 10 AU - 10.06 AU

Year: 21545 Days

Day: 22.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,402,500 km

• M1: 61,036 km (0.086 R)
• M2: 387,907 km (0.071 R)
• M3: 551,268 km (0.117 R)
• M4: 814,261 km (0.105 R)
• M5: 1,331,870 km (0.039 R)
• M6: 2,170,516 km (0.1 R)
• M7: 2,555,281 km (0.066 R)
• M8: 3,983,941 km (0.12 R)
• M9: 4,248,280 km (0.079 R)
• M10: 6,173,904 km (0.108 R)
• M11: 7,473,162 km (0.086 R)
• M12: 8,030,115 km (0.088 R)
• M13: 8,778,403 km (0.081 R)
• M14: 9,513,976 km (0.09 R)
• M15: 10,289,790 km (0.103 R)
• M16: 12,170,834 km (0.116 R)
• M17: 12,586,716 km (0.084 R)
• M18: 12,940,665 km (0.06 R)
• M19: 14,888,279 km (0.097 R)
• M20: 18,981,726 km (0.099 R)
• M21: 19,446,975 km (0.111 R)
• M22: 20,497,152 km (0.101 R)
• M23: 22,193,742 km (0.091 R)
• M24: 22,606,183 km (0.073 R)
• M25: 28,806,566 km (0.074 R)
• M26: 37,777,801 km (0.099 R)
• M27: 43,449,505 km (0.101 R)
• M28: 44,256,884 km (0.08 R)
• M29: 46,068,515 km (0.08 R)
• M30: 54,366,858 km (0.114 R)
• M31: 54,928,000 km (0.109 R)
• M32: 57,597,723 km (0.075 R)
• M33: 57,986,079 km (0.034 R)
• M34: 62,373,486 km (0.118 R)
• M35: 63,194,329 km (0.12 R)
• M36: 65,488,562 km (0.118 R)
• M37: 69,361,651 km (0.097 R)
• M38: 75,685,303 km (0.111 R)
• M39: 77,088,680 km (0.202 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: 414 - 12,314 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit