🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

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: 82.4

Radius: 14.5

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.92 AU - 1.32 AU

Year: 790 Days

Day: 5.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 54,883,588 km

• M1: 180,415 km (0.079 R)
• M2: 777,909 km (0.089 R)
• M3: 1,386,772 km (0.097 R)
• M4: 2,902,947 km (0.066 R)
• M5: 3,573,295 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.5

Radius: 12.1

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.72 AU - 4.02 AU

Year: 5077 Days

Day: 6.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,883,588 km

• M1: 150,645 km (0.053 R)
• M2: 605,722 km (0.097 R)
• M3: 1,083,837 km (0.109 R)
• M4: 1,565,243 km (0.066 R)
• M5: 2,107,385 km (0.05 R)
• M6: 2,582,658 km (0.116 R)
• M7: 3,218,748 km (0.084 R)
• M8: 4,344,472 km (0.086 R)
• M9: 5,221,863 km (0.072 R)
• M10: 7,848,503 km (0.083 R)
• M11: 9,447,554 km (0.098 R)
• M12: 15,434,461 km (0.104 R)
• M13: 17,351,857 km (0.075 R)
• M14: 19,670,325 km (0.103 R)
• M15: 22,730,050 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.7

Radius: 9.1

Gravity: 11.7 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.46 AU - 5.08 AU

Year: 6947 Days

Day: 5.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,883,588 km

• M1: 120,576 km (0.094 R)
• M2: 411,095 km (0.102 R)
• M3: 819,348 km (0.084 R)
• M4: 1,492,388 km (0.08 R)
• M5: 1,887,028 km (0.039 R)
• M6: 2,477,790 km (0.098 R)
• M7: 6,308,692 km (0.101 R)
• M8: 7,308,454 km (0.083 R)
• M9: 9,023,893 km (0.089 R)
• M10: 11,725,332 km (0.093 R)
• M11: 13,405,914 km (0.058 R)
• M12: 16,152,531 km (0.095 R)
• M13: 17,516,863 km (0.039 R)
• M14: 20,864,864 km (0.08 R)
• M15: 21,261,298 km (0.118 R)
• M16: 23,235,092 km (0.077 R)
• M17: 23,747,016 km (0.026 R)
• M18: 26,977,882 km (0.053 R)
• M19: 34,186,853 km (0.052 R)
• M20: 40,582,162 km (0.103 R)
• M21: 41,200,450 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.3

Radius: 6.8

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.61 AU - 8.83 AU

Year: 12937 Days

Day: 17 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,883,588 km

• M1: 85,271 km (0.077 R)
• M2: 476,619 km (0.089 R)
• M3: 705,952 km (0.05 R)
• M4: 980,315 km (0.116 R)
• M5: 1,288,935 km (0.103 R)
• M6: 1,795,623 km (0.084 R)
• M7: 2,155,257 km (0.1 R)
• M8: 5,086,477 km (0.089 R)
• M9: 8,468,735 km (0.087 R)
• M10: 9,010,429 km (0.118 R)
• M11: 17,862,285 km (0.046 R)
• M12: 18,303,748 km (0.112 R)
• M13: 22,694,595 km (0.073 R)
• M14: 23,649,778 km (0.079 R)
• M15: 26,771,586 km (0.036 R)
• M16: 30,365,376 km (0.107 R)
• M17: 32,169,077 km (0.089 R)
• M18: 34,607,672 km (0.104 R)
• M19: 35,524,109 km (0.116 R)
• M20: 37,645,257 km (0.102 R)
• M21: 40,855,926 km (0.087 R)
• M22: 43,182,772 km (0.096 R)
• M23: 44,512,846 km (0.108 R)
• M24: 45,052,446 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.7

Radius: 5.8

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 7.71 AU - 9.21 AU

Year: 16409 Days

Day: 23 Hours

Environment

Temp: -234 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,883,588 km

• M1: 72,106 km (0.073 R)
• M2: 416,331 km (0.098 R)
• M3: 1,012,478 km (0.062 R)
• M4: 1,252,134 km (0.07 R)
• M5: 1,752,389 km (0.113 R)
• M6: 2,100,653 km (0.072 R)
• M7: 2,415,557 km (0.12 R)
• M8: 2,677,203 km (0.09 R)
• M9: 2,957,550 km (0.085 R)
• M10: 4,166,450 km (0.074 R)
• M11: 5,603,936 km (0.083 R)
• M12: 5,883,983 km (0.085 R)
• M13: 7,343,610 km (0.059 R)
• M14: 9,463,412 km (0.11 R)
• M15: 11,284,915 km (0.117 R)
• M16: 11,506,919 km (0.087 R)
• M17: 13,389,608 km (0.033 R)
• M18: 13,764,051 km (0.041 R)
• M19: 14,145,675 km (0.053 R)
• M20: 14,929,718 km (0.108 R)
• M21: 17,381,926 km (0.055 R)
• M22: 17,603,780 km (0.052 R)
• M23: 19,928,232 km (0.045 R)
• M24: 22,101,589 km (0.073 R)
• M25: 28,935,220 km (0.061 R)
• M26: 32,714,212 km (0.036 R)
• M27: 33,621,972 km (0.089 R)
• M28: 36,325,056 km (0.12 R)
• M29: 37,298,340 km (0.028 R)
• M30: 43,505,155 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 720.2

Radius: 4.1

Gravity: 42.84 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.43 AU - 9.01 AU

Year: 17171 Days

Day: 23.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 54,883,588 km

• M1: 51,013 km (0.114 R)
• M2: 246,836 km (0.103 R)
• M3: 867,967 km (0.08 R)
• M4: 1,535,323 km (0.099 R)
• M5: 1,667,717 km (0.093 R)
• M6: 1,880,744 km (0.094 R)
• M7: 2,404,487 km (0.051 R)
• M8: 2,700,242 km (0.034 R)
• M9: 3,447,184 km (0.116 R)
• M10: 3,704,642 km (0.095 R)
• M11: 4,520,848 km (0.114 R)
• M12: 5,006,742 km (0.082 R)
• M13: 5,188,503 km (0.115 R)
• M14: 5,760,266 km (0.118 R)
• M15: 8,117,629 km (0.042 R)
• M16: 9,814,518 km (0.037 R)
• M17: 11,607,448 km (0.062 R)
• M18: 15,670,676 km (0.105 R)
• M19: 20,221,294 km (0.067 R)
• M20: 20,404,850 km (0.069 R)
• M21: 20,868,903 km (0.096 R)
• M22: 21,530,126 km (0.087 R)
• M23: 23,395,461 km (0.057 R)
• M24: 23,597,867 km (0.04 R)
• M25: 24,006,270 km (0.115 R)
• M26: 29,162,759 km (0.082 R)
• M27: 32,812,947 km (0.083 R)
• M28: 34,485,002 km (0.1 R)
• M29: 35,541,761 km (0.111 R)
• M30: 37,719,607 km (0.075 R)
• M31: 40,274,140 km (0.119 R)
• M32: 42,639,731 km (0.1 R)
• M33: 43,703,073 km (0.115 R)
• M34: 49,452,419 km (0.092 R)
• M35: 55,505,896 km (0.117 R)
• M36: 56,590,780 km (0.069 R)
• M37: 60,499,473 km (0.104 R)
• M38: 66,999,052 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211

Radius: 5.7

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 9.94 AU - 10.68 AU

Year: 22076 Days

Day: 24 Hours

Environment

Temp: -237 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,883,588 km

• M1: 72,555 km (0.11 R)
• M2: 464,950 km (0.065 R)
• M3: 1,067,979 km (0.102 R)
• M4: 1,393,953 km (0.085 R)
• M5: 1,817,016 km (0.027 R)
• M6: 3,247,919 km (0.104 R)
• M7: 3,474,710 km (0.044 R)
• M8: 3,876,380 km (0.059 R)
• M9: 4,074,148 km (0.081 R)
• M10: 4,551,665 km (0.063 R)
• M11: 4,804,036 km (0.103 R)
• M12: 6,719,039 km (0.118 R)
• M13: 8,231,174 km (0.096 R)
• M14: 9,091,212 km (0.047 R)
• M15: 12,269,120 km (0.082 R)
• M16: 14,710,856 km (0.073 R)
• M17: 19,855,228 km (0.11 R)
• M18: 20,106,403 km (0.059 R)
• M19: 21,924,017 km (0.087 R)
• M20: 22,826,989 km (0.068 R)
• M21: 23,102,549 km (0.088 R)
• M22: 25,684,309 km (0.119 R)
• M23: 35,669,667 km (0.102 R)
• M24: 38,322,636 km (0.103 R)
• M25: 53,578,627 km (0.102 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 14,006 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit