🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.7

Radius: 13.8

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.04 AU - 1.72 AU

Year: 1047 Days

Day: 14.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,589,587 km

• M1: 171,589 km (0.034 R)
• M2: 704,756 km (0.089 R)
• M3: 1,152,502 km (0.04 R)
• M4: 1,852,321 km (0.111 R)
• M5: 2,647,284 km (0.036 R)
• M6: 3,163,995 km (0.069 R)
• M7: 3,867,105 km (0.104 R)
• M8: 4,436,325 km (0.095 R)
• M9: 5,724,662 km (0.116 R)
• M10: 6,338,761 km (0.043 R)
• M11: 7,365,900 km (0.106 R)
• M12: 9,165,562 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111

Radius: 10.3

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.39 AU - 5.13 AU

Year: 6705 Days

Day: 11.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,589,587 km

• M1: 128,355 km (0.039 R)
• M2: 608,265 km (0.034 R)
• M3: 2,341,805 km (0.105 R)
• M4: 3,140,059 km (0.072 R)
• M5: 4,665,359 km (0.073 R)
• M6: 5,367,123 km (0.09 R)
• M7: 6,218,634 km (0.066 R)
• M8: 11,055,731 km (0.035 R)
• M9: 12,087,209 km (0.12 R)
• M10: 15,769,560 km (0.063 R)
• M11: 16,439,908 km (0.109 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.1

Radius: 5.6

Gravity: 11.87 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 6.16 AU - 7.74 AU

Year: 11830 Days

Day: 23.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,589,587 km

• M1: 82,728 km (0.079 R)
• M2: 497,712 km (0.057 R)
• M3: 704,157 km (0.067 R)
• M4: 882,478 km (0.079 R)
• M5: 1,248,993 km (0.078 R)
• M6: 1,771,239 km (0.102 R)
• M7: 2,193,554 km (0.111 R)
• M8: 2,720,736 km (0.074 R)
• M9: 3,328,852 km (0.077 R)
• M10: 5,863,489 km (0.077 R)
• M11: 6,389,923 km (0.086 R)
• M12: 6,871,180 km (0.088 R)
• M13: 8,949,244 km (0.117 R)
• M14: 9,131,604 km (0.1 R)
• M15: 21,360,033 km (0.032 R)
• M16: 22,600,798 km (0.044 R)
• M17: 23,714,254 km (0.108 R)
• M18: 26,142,976 km (0.113 R)
• M19: 26,893,209 km (0.067 R)
• M20: 28,831,549 km (0.103 R)
• M21: 33,970,086 km (0.097 R)
• M22: 36,463,583 km (0.094 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.7

Radius: 8

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.84 AU - 8.86 AU

Year: 12866 Days

Day: 22.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,589,587 km

• M1: 101,727 km (0.114 R)
• M2: 434,283 km (0.087 R)
• M3: 742,753 km (0.109 R)
• M4: 1,229,395 km (0.049 R)
• M5: 2,448,468 km (0.069 R)
• M6: 3,547,265 km (0.073 R)
• M7: 3,947,289 km (0.081 R)
• M8: 5,052,668 km (0.095 R)
• M9: 5,473,038 km (0.087 R)
• M10: 6,351,926 km (0.067 R)
• M11: 7,182,343 km (0.071 R)
• M12: 10,594,820 km (0.066 R)
• M13: 11,051,094 km (0.108 R)
• M14: 14,287,644 km (0.083 R)
• M15: 19,358,862 km (0.086 R)
• M16: 28,025,964 km (0.108 R)
• M17: 29,969,540 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.5

Radius: 7.7

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.64 AU - 8.76 AU

Year: 15161 Days

Day: 18 Hours

Environment

Temp: -231 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,589,587 km

• M1: 95,892 km (0.074 R)
• M2: 378,333 km (0.111 R)
• M3: 748,887 km (0.112 R)
• M4: 1,326,933 km (0.059 R)
• M5: 1,638,994 km (0.061 R)
• M6: 2,510,103 km (0.117 R)
• M7: 6,560,016 km (0.042 R)
• M8: 8,244,189 km (0.054 R)
• M9: 9,548,084 km (0.113 R)
• M10: 13,338,894 km (0.029 R)
• M11: 14,214,490 km (0.079 R)
• M12: 18,253,483 km (0.092 R)
• M13: 19,410,623 km (0.11 R)
• M14: 26,321,596 km (0.099 R)
• M15: 28,912,481 km (0.046 R)
• M16: 30,802,650 km (0.116 R)
• M17: 34,133,597 km (0.06 R)
• M18: 34,595,106 km (0.063 R)
• M19: 42,557,004 km (0.098 R)
• M20: 45,275,197 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 712.9

Radius: 3.3

Gravity: 65.46 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 9.36 AU - 12.28 AU

Year: 22980 Days

Day: 24.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 84,589,587 km

• M1: 45,627 km (0.102 R)
• M2: 187,147 km (0.058 R)
• M3: 687,402 km (0.046 R)
• M4: 1,818,661 km (0.059 R)
• M5: 1,937,143 km (0.099 R)
• M6: 2,103,047 km (0.107 R)
• M7: 2,369,780 km (0.109 R)
• M8: 2,734,350 km (0.076 R)
• M9: 3,334,836 km (0.054 R)
• M10: 4,051,858 km (0.101 R)
• M11: 6,171,810 km (0.113 R)
• M12: 7,441,447 km (0.066 R)
• M13: 8,057,790 km (0.114 R)
• M14: 8,163,705 km (0.113 R)
• M15: 9,627,072 km (0.117 R)
• M16: 10,420,539 km (0.093 R)
• M17: 10,673,210 km (0.105 R)
• M18: 10,800,966 km (0.025 R)
• M19: 14,339,255 km (0.08 R)
• M20: 14,494,986 km (0.088 R)
• M21: 16,537,446 km (0.03 R)
• M22: 18,856,961 km (0.083 R)
• M23: 19,516,538 km (0.105 R)
• M24: 20,881,619 km (0.117 R)
• M25: 22,834,170 km (0.101 R)
• M26: 25,928,303 km (0.11 R)
• M27: 26,275,520 km (0.09 R)
• M28: 28,917,119 km (0.061 R)
• M29: 31,075,517 km (0.081 R)
• M30: 34,720,469 km (0.102 R)
• M31: 36,863,608 km (0.094 R)
• M32: 37,009,466 km (0.066 R)
• M33: 47,862,492 km (0.114 R)
• M34: 48,384,739 km (0.068 R)
• M35: 49,618,323 km (0.095 R)
• M36: 50,153,285 km (0.102 R)
• M37: 66,092,938 km (0.107 R)
• M38: 67,610,458 km (0.115 R)
• M39: 68,708,507 km (0.118 R)
• M40: 71,846,322 km (0.093 R)
• M41: 78,164,738 km (0.046 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 366 - 13,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit