🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.4

Radius: 9.7

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.82 AU - 0.86 AU

Year: 531 Days

Day: 10.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,954,700 km

• M1: 121,174 km (0.111 R)
• M2: 476,768 km (0.117 R)
• M3: 809,624 km (0.108 R)
• M4: 1,380,040 km (0.028 R)
• M5: 1,710,502 km (0.059 R)
• M6: 2,076,568 km (0.083 R)
• M7: 2,485,269 km (0.106 R)
• M8: 3,630,142 km (0.081 R)
• M9: 4,099,580 km (0.035 R)
• M10: 5,062,841 km (0.082 R)
• M11: 5,951,153 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.1

Radius: 13.6

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.76 AU - 1.06 AU

Year: 599 Days

Day: 14.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 89,954,700 km

• M1: 179,368 km (0.087 R)
• M2: 637,287 km (0.109 R)
• M3: 1,374,356 km (0.061 R)
• M4: 1,820,756 km (0.079 R)
• M5: 3,480,694 km (0.09 R)
• M6: 4,804,336 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.9

Radius: 11.8

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.79 AU - 3.85 AU

Year: 4176 Days

Day: 6.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 169.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 89,954,700 km

• M1: 149,747 km (0.116 R)
• M2: 592,408 km (0.095 R)
• M3: 1,062,594 km (0.118 R)
• M4: 1,608,028 km (0.076 R)
• M5: 2,135,510 km (0.073 R)
• M6: 2,839,368 km (0.087 R)
• M7: 4,148,349 km (0.055 R)
• M8: 4,686,602 km (0.087 R)
• M9: 5,150,206 km (0.06 R)
• M10: 5,695,640 km (0.082 R)
• M11: 7,169,179 km (0.046 R)
• M12: 7,566,511 km (0.092 R)
• M13: 8,305,823 km (0.12 R)
• M14: 9,853,862 km (0.109 R)
• M15: 10,735,891 km (0.07 R)
• M16: 11,669,681 km (0.069 R)
• M17: 12,968,191 km (0.071 R)
• M18: 14,699,337 km (0.05 R)
• M19: 17,060,590 km (0.111 R)
• M20: 17,771,329 km (0.104 R)
• M21: 18,274,876 km (0.074 R)
• M22: 18,903,187 km (0.117 R)
• M23: 19,369,184 km (0.118 R)
• M24: 20,022,329 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.8

Radius: 9.7

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.88 AU - 5.86 AU

Year: 7418 Days

Day: 10.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 89,954,700 km

• M1: 120,576 km (0.087 R)
• M2: 433,235 km (0.067 R)
• M3: 1,134,101 km (0.11 R)
• M4: 2,248,007 km (0.078 R)
• M5: 2,565,753 km (0.043 R)
• M6: 3,924,401 km (0.116 R)
• M7: 5,064,337 km (0.075 R)
• M8: 5,971,498 km (0.116 R)
• M9: 6,481,477 km (0.107 R)
• M10: 7,057,280 km (0.085 R)
• M11: 8,228,481 km (0.11 R)
• M12: 9,479,269 km (0.11 R)
• M13: 11,102,256 km (0.081 R)
• M14: 12,032,606 km (0.084 R)
• M15: 12,791,665 km (0.091 R)
• M16: 14,166,470 km (0.072 R)
• M17: 18,665,476 km (0.089 R)
• M18: 19,979,244 km (0.115 R)
• M19: 20,430,581 km (0.089 R)
• M20: 20,888,650 km (0.038 R)
• M21: 21,275,660 km (0.114 R)
• M22: 21,984,305 km (0.071 R)
• M23: 22,546,194 km (0.07 R)
• M24: 26,210,744 km (0.1 R)
• M25: 26,570,527 km (0.071 R)
• M26: 28,514,252 km (0.105 R)
• M27: 29,569,216 km (0.106 R)
• M28: 33,099,576 km (0.114 R)
• M29: 34,157,682 km (0.068 R)
• M30: 36,452,663 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985.3

Radius: 5.6

Gravity: 31.42 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 8.33 AU - 11.43 AU

Year: 21436 Days

Day: 18.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 89,954,700 km

• M1: 69,862 km (0.096 R)
• M2: 593,904 km (0.09 R)
• M3: 902,075 km (0.078 R)
• M4: 2,619,908 km (0.092 R)
• M5: 3,014,995 km (0.081 R)
• M6: 4,809,721 km (0.09 R)
• M7: 5,319,999 km (0.098 R)
• M8: 6,355,666 km (0.091 R)
• M9: 6,681,639 km (0.12 R)
• M10: 7,316,383 km (0.116 R)
• M11: 7,990,471 km (0.112 R)
• M12: 8,592,453 km (0.059 R)
• M13: 10,387,627 km (0.086 R)
• M14: 13,911,106 km (0.113 R)
• M15: 16,367,802 km (0.114 R)
• M16: 17,157,679 km (0.063 R)
• M17: 17,880,835 km (0.04 R)
• M18: 20,073,042 km (0.1 R)
• M19: 20,977,661 km (0.079 R)
• M20: 22,119,691 km (0.058 R)
• M21: 22,867,680 km (0.065 R)
• M22: 29,214,220 km (0.115 R)
• M23: 31,699,789 km (0.084 R)
• M24: 32,924,995 km (0.05 R)
• M25: 42,724,703 km (0.079 R)
• M26: 43,053,669 km (0.096 R)
• M27: 43,716,687 km (0.109 R)
• M28: 50,358,234 km (0.11 R)
• M29: 52,024,006 km (0.084 R)
• M30: 52,399,197 km (0.065 R)
• M31: 56,053,275 km (0.097 R)
• M32: 56,250,146 km (0.108 R)
• M33: 57,441,244 km (0.093 R)
• M34: 58,043,076 km (0.035 R)
• M35: 62,162,852 km (0.097 R)
• M36: 68,476,481 km (0.091 R)
• M37: 72,836,810 km (0.037 R)
• M38: 78,850,943 km (0.059 R)
• M39: 82,359,313 km (0.147 R)
• M40: 88,613,102 km (0.226 R)
• M41: 89,954,696 km (0.09 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: 270 - 10,432 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit