🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.8

Radius: 9.8

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.55 AU - 0.67 AU

Year: 329 Days

Day: 14.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 68,582,466 km

• M1: 121,922 km (0.076 R)
• M2: 434,731 km (0.08 R)
• M3: 954,584 km (0.093 R)
• M4: 1,321,996 km (0.09 R)
• M5: 2,373,669 km (0.083 R)
• M6: 2,694,856 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.3

Radius: 13.9

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.75 AU - 0.95 AU

Year: 541 Days

Day: 7.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,582,466 km

• M1: 172,935 km (0.117 R)
• M2: 667,057 km (0.087 R)
• M3: 1,115,701 km (0.119 R)
• M4: 1,632,562 km (0.077 R)
• M5: 2,319,365 km (0.111 R)
• M6: 2,897,561 km (0.111 R)
• M7: 3,583,617 km (0.067 R)
• M8: 4,404,311 km (0.072 R)
• M9: 5,154,694 km (0.067 R)
• M10: 6,024,157 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.7

Radius: 10.4

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.37 AU - 1.51 AU

Year: 1193 Days

Day: 11.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,582,466 km

• M1: 129,851 km (0.095 R)
• M2: 477,666 km (0.087 R)
• M3: 823,835 km (0.118 R)
• M4: 1,243,757 km (0.061 R)
• M5: 1,910,365 km (0.082 R)
• M6: 2,700,391 km (0.11 R)
• M7: 3,240,439 km (0.092 R)
• M8: 3,603,962 km (0.08 R)
• M9: 3,995,011 km (0.05 R)
• M10: 4,899,929 km (0.087 R)
• M11: 5,381,035 km (0.038 R)
• M12: 6,085,941 km (0.108 R)
• M13: 6,574,078 km (0.083 R)
• M14: 7,781,034 km (0.104 R)
• M15: 8,383,465 km (0.075 R)
• M16: 9,273,123 km (0.047 R)
• M17: 10,629,078 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.3

Radius: 14.5

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.57 AU - 2.05 AU

Year: 1681 Days

Day: 6.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,582,466 km

• M1: 180,565 km (0.101 R)
• M2: 654,790 km (0.12 R)
• M3: 1,149,809 km (0.108 R)
• M4: 2,116,211 km (0.115 R)
• M5: 2,597,318 km (0.099 R)
• M6: 4,142,066 km (0.093 R)
• M7: 4,819,894 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.9

Radius: 10.5

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.13 AU - 2.47 AU

Year: 2408 Days

Day: 9.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,582,466 km

• M1: 130,749 km (0.102 R)
• M2: 529,876 km (0.065 R)
• M3: 1,063,940 km (0.116 R)
• M4: 1,784,403 km (0.091 R)
• M5: 2,356,914 km (0.104 R)
• M6: 2,694,706 km (0.11 R)
• M7: 3,451,223 km (0.104 R)
• M8: 3,810,707 km (0.087 R)
• M9: 4,786,533 km (0.083 R)
• M10: 5,114,602 km (0.108 R)
• M11: 6,054,824 km (0.09 R)
• M12: 6,523,664 km (0.093 R)
• M13: 7,597,178 km (0.059 R)
• M14: 10,205,866 km (0.102 R)
• M15: 10,554,579 km (0.108 R)
• M16: 12,201,950 km (0.059 R)
• M17: 13,223,405 km (0.025 R)
• M18: 14,397,299 km (0.108 R)
• M19: 18,736,535 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867.5

Radius: 6.3

Gravity: 21.86 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.3 AU - 9.04 AU

Year: 14662 Days

Day: 19.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,582,466 km

• M1: 78,838 km (0.118 R)
• M2: 605,123 km (0.076 R)
• M3: 1,253,331 km (0.103 R)
• M4: 1,742,815 km (0.1 R)
• M5: 2,248,456 km (0.083 R)
• M6: 3,437,310 km (0.094 R)
• M7: 4,105,265 km (0.084 R)
• M8: 4,652,344 km (0.077 R)
• M9: 4,925,959 km (0.081 R)
• M10: 8,186,743 km (0.12 R)
• M11: 8,894,341 km (0.05 R)
• M12: 10,258,225 km (0.072 R)
• M13: 12,721,504 km (0.096 R)
• M14: 13,808,482 km (0.028 R)
• M15: 14,518,623 km (0.087 R)
• M16: 17,685,759 km (0.109 R)
• M17: 18,101,043 km (0.067 R)
• M18: 20,275,448 km (0.069 R)
• M19: 21,660,425 km (0.116 R)
• M20: 28,964,242 km (0.043 R)
• M21: 29,657,479 km (0.117 R)
• M22: 30,008,286 km (0.109 R)
• M23: 31,197,290 km (0.097 R)
• M24: 32,171,022 km (0.092 R)
• M25: 33,923,412 km (0.106 R)
• M26: 35,082,945 km (0.097 R)
• M27: 42,157,129 km (0.101 R)
• M28: 49,630,889 km (0.077 R)
• M29: 54,199,608 km (0.088 R)
• M30: 64,162,676 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.5

Radius: 6.3

Gravity: 18.56 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 8.23 AU - 8.37 AU

Year: 16505 Days

Day: 17.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,582,466 km

• M1: 125,064 km (0.064 R)
• M2: 328,517 km (0.117 R)
• M3: 890,257 km (0.08 R)
• M4: 1,749,098 km (0.069 R)
• M5: 2,281,218 km (0.053 R)
• M6: 2,990,312 km (0.096 R)
• M7: 3,897,025 km (0.104 R)
• M8: 4,731,033 km (0.087 R)
• M9: 5,010,033 km (0.116 R)
• M10: 5,795,272 km (0.04 R)
• M11: 7,797,340 km (0.095 R)
• M12: 9,219,118 km (0.119 R)
• M13: 13,792,924 km (0.045 R)
• M14: 25,754,021 km (0.047 R)
• M15: 31,842,655 km (0.105 R)
• M16: 36,754,551 km (0.101 R)
• M17: 37,711,379 km (0.083 R)
• M18: 39,531,985 km (0.069 R)
• M19: 40,826,157 km (0.082 R)
• M20: 43,650,863 km (0.12 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 19,137 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit