🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.48 AU - 0.56 AU

Year: 246 Days

Day: 28.3 Hours

Environment

Temp: -108 °C

Axial Tilt: 23.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.3

Radius: 8.8

Gravity: 11.23 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.77 AU - 0.91 AU

Year: 505 Days

Day: 8.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,117,527 km

• M1: 109,506 km (0.106 R)
• M2: 398,678 km (0.094 R)
• M3: 688,001 km (0.057 R)
• M4: 987,346 km (0.117 R)
• M5: 1,422,825 km (0.104 R)
• M6: 1,930,860 km (0.088 R)
• M7: 2,671,968 km (0.083 R)
• M8: 3,042,821 km (0.115 R)
• M9: 3,538,289 km (0.088 R)
• M10: 4,000,995 km (0.116 R)
• M11: 5,047,432 km (0.093 R)
• M12: 5,982,120 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.7

Radius: 9.5

Gravity: 10.26 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.47 AU - 4.09 AU

Year: 3897 Days

Day: 10.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,117,527 km

• M1: 118,182 km (0.058 R)
• M2: 648,058 km (0.078 R)
• M3: 1,724,863 km (0.05 R)
• M4: 2,582,508 km (0.086 R)
• M5: 2,894,569 km (0.08 R)
• M6: 5,142,427 km (0.075 R)
• M7: 5,470,645 km (0.111 R)
• M8: 6,230,003 km (0.09 R)
• M9: 6,991,905 km (0.113 R)
• M10: 8,738,760 km (0.112 R)
• M11: 9,207,450 km (0.118 R)
• M12: 10,539,619 km (0.079 R)
• M13: 10,847,342 km (0.053 R)
• M14: 14,479,428 km (0.106 R)
• M15: 16,216,708 km (0.09 R)
• M16: 17,963,862 km (0.105 R)
• M17: 22,042,049 km (0.067 R)
• M18: 22,984,666 km (0.053 R)
• M19: 23,652,770 km (0.078 R)
• M20: 24,872,441 km (0.049 R)
• M21: 25,576,748 km (0.078 R)
• M22: 26,213,885 km (0.063 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.5

Radius: 5.9

Gravity: 25.58 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 6.11 AU - 6.95 AU

Year: 10947 Days

Day: 19.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,117,527 km

• M1: 77,492 km (0.093 R)
• M2: 327,171 km (0.095 R)
• M3: 812,017 km (0.062 R)
• M4: 1,252,733 km (0.067 R)
• M5: 1,774,979 km (0.037 R)
• M6: 2,104,094 km (0.057 R)
• M7: 3,314,640 km (0.108 R)
• M8: 4,184,701 km (0.107 R)
• M9: 6,885,691 km (0.092 R)
• M10: 9,766,497 km (0.106 R)
• M11: 11,239,886 km (0.119 R)
• M12: 11,470,118 km (0.102 R)
• M13: 12,730,928 km (0.073 R)
• M14: 13,556,260 km (0.114 R)
• M15: 18,302,851 km (0.074 R)
• M16: 20,699,259 km (0.063 R)
• M17: 25,210,233 km (0.1 R)
• M18: 35,369,125 km (0.037 R)
• M19: 36,488,865 km (0.096 R)
• M20: 51,032,920 km (0.076 R)
• M21: 53,591,044 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923.8

Radius: 4.2

Gravity: 52.37 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.79 AU - 8.49 AU

Year: 15235 Days

Day: 23.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,117,527 km

• M1: 52,359 km (0.072 R)
• M2: 579,841 km (0.062 R)
• M3: 748,588 km (0.117 R)
• M4: 1,431,352 km (0.034 R)
• M5: 2,159,744 km (0.119 R)
• M6: 2,305,303 km (0.114 R)
• M7: 2,830,392 km (0.117 R)
• M8: 3,082,165 km (0.09 R)
• M9: 3,543,974 km (0.087 R)
• M10: 4,050,662 km (0.047 R)
• M11: 5,059,998 km (0.097 R)
• M12: 5,468,849 km (0.104 R)
• M13: 5,622,935 km (0.066 R)
• M14: 7,188,178 km (0.118 R)
• M15: 9,790,732 km (0.091 R)
• M16: 10,190,906 km (0.086 R)
• M17: 11,023,867 km (0.026 R)
• M18: 11,332,039 km (0.093 R)
• M19: 12,030,212 km (0.117 R)
• M20: 13,164,912 km (0.051 R)
• M21: 13,511,829 km (0.108 R)
• M22: 21,792,670 km (0.115 R)
• M23: 25,448,543 km (0.079 R)
• M24: 28,444,390 km (0.112 R)
• M25: 28,791,008 km (0.109 R)
• M26: 33,816,000 km (0.114 R)
• M27: 35,657,251 km (0.091 R)
• M28: 38,402,073 km (0.098 R)
• M29: 38,684,065 km (0.067 R)
• M30: 56,228,155 km (0.061 R)
• M31: 56,409,767 km (0.062 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 18,210 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit