🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.4

Radius: 8.2

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.96 AU - 1.54 AU

Year: 982 Days

Day: 12.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,791,956 km

• M1: 103,671 km (0.116 R)
• M2: 363,373 km (0.099 R)
• M3: 854,802 km (0.093 R)
• M4: 1,248,693 km (0.077 R)
• M5: 2,018,524 km (0.119 R)
• M6: 2,367,536 km (0.105 R)
• M7: 2,683,636 km (0.082 R)
• M8: 4,471,780 km (0.079 R)
• M9: 5,148,411 km (0.034 R)
• M10: 5,699,380 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582

Radius: 10.9

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.93 AU - 2.57 AU

Year: 2372 Days

Day: 9.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,791,956 km

• M1: 148,102 km (0.095 R)
• M2: 587,770 km (0.083 R)
• M3: 1,508,096 km (0.062 R)
• M4: 2,154,060 km (0.106 R)
• M5: 2,619,309 km (0.092 R)
• M6: 3,503,732 km (0.116 R)
• M7: 5,075,856 km (0.112 R)
• M8: 5,635,501 km (0.098 R)
• M9: 8,940,866 km (0.071 R)
• M10: 10,006,003 km (0.054 R)
• M11: 12,428,441 km (0.118 R)
• M12: 13,709,598 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.9

Radius: 12.3

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.16 AU - 4.46 AU

Year: 6290 Days

Day: 10.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,791,956 km

• M1: 153,039 km (0.087 R)
• M2: 695,929 km (0.118 R)
• M3: 1,226,403 km (0.091 R)
• M4: 1,619,696 km (0.083 R)
• M5: 2,373,520 km (0.058 R)
• M6: 4,683,909 km (0.081 R)
• M7: 5,277,962 km (0.095 R)
• M8: 5,985,710 km (0.108 R)
• M9: 6,825,702 km (0.097 R)
• M10: 8,131,841 km (0.06 R)
• M11: 8,657,378 km (0.089 R)
• M12: 10,002,413 km (0.111 R)
• M13: 10,749,056 km (0.096 R)
• M14: 12,300,984 km (0.097 R)
• M15: 16,157,916 km (0.039 R)
• M16: 17,055,055 km (0.118 R)
• M17: 18,053,022 km (0.057 R)
• M18: 20,755,209 km (0.082 R)
• M19: 22,990,949 km (0.115 R)
• M20: 23,879,560 km (0.076 R)
• M21: 26,332,217 km (0.094 R)
• M22: 28,209,970 km (0.048 R)
• M23: 29,604,970 km (0.047 R)
• M24: 30,175,536 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.3

Radius: 12.5

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.25 AU - 6.23 AU

Year: 8432 Days

Day: 11.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,791,956 km

• M1: 156,031 km (0.069 R)
• M2: 593,904 km (0.079 R)
• M3: 1,719,478 km (0.073 R)
• M4: 2,156,753 km (0.055 R)
• M5: 2,648,929 km (0.032 R)
• M6: 3,105,053 km (0.071 R)
• M7: 3,517,046 km (0.099 R)
• M8: 5,515,374 km (0.064 R)
• M9: 6,265,308 km (0.087 R)
• M10: 7,476,602 km (0.105 R)
• M11: 7,969,079 km (0.118 R)
• M12: 9,019,256 km (0.101 R)
• M13: 10,560,413 km (0.102 R)
• M14: 11,826,609 km (0.046 R)
• M15: 12,439,811 km (0.117 R)
• M16: 15,367,292 km (0.099 R)
• M17: 17,916,739 km (0.059 R)
• M18: 22,209,898 km (0.096 R)
• M19: 25,732,330 km (0.111 R)
• M20: 26,197,430 km (0.11 R)
• M21: 28,212,064 km (0.114 R)
• M22: 28,607,152 km (0.099 R)
• M23: 31,902,943 km (0.049 R)
• M24: 33,311,257 km (0.107 R)
• M25: 33,752,870 km (0.087 R)
• M26: 37,308,811 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747.3

Radius: 5.2

Gravity: 27.64 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 8.84 AU - 11.1 AU

Year: 22128 Days

Day: 17.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 83,791,956 km

• M1: 75,098 km (0.033 R)
• M2: 330,611 km (0.063 R)
• M3: 1,519,316 km (0.065 R)
• M4: 1,712,746 km (0.072 R)
• M5: 2,002,816 km (0.1 R)
• M6: 2,681,691 km (0.107 R)
• M7: 2,965,479 km (0.115 R)
• M8: 3,384,652 km (0.12 R)
• M9: 3,685,344 km (0.113 R)
• M10: 4,036,450 km (0.098 R)
• M11: 4,768,582 km (0.101 R)
• M12: 4,955,280 km (0.083 R)
• M13: 6,267,852 km (0.085 R)
• M14: 6,446,771 km (0.105 R)
• M15: 6,956,451 km (0.117 R)
• M16: 7,294,542 km (0.057 R)
• M17: 9,382,180 km (0.092 R)
• M18: 10,656,604 km (0.107 R)
• M19: 11,236,595 km (0.067 R)
• M20: 16,655,629 km (0.065 R)
• M21: 23,485,370 km (0.107 R)
• M22: 27,569,840 km (0.106 R)
• M23: 30,669,209 km (0.101 R)
• M24: 31,056,069 km (0.094 R)
• M25: 31,971,309 km (0.119 R)
• M26: 36,098,265 km (0.087 R)
• M27: 38,438,126 km (0.097 R)
• M28: 39,644,932 km (0.1 R)
• M29: 40,566,604 km (0.086 R)
• M30: 44,232,051 km (0.087 R)
• M31: 45,556,890 km (0.11 R)
• M32: 45,892,288 km (0.11 R)
• M33: 48,285,705 km (0.105 R)
• M34: 54,630,898 km (0.113 R)
• M35: 55,389,659 km (0.104 R)
• M36: 56,347,983 km (0.083 R)
• M37: 64,626,430 km (0.068 R)
• M38: 71,397,977 km (0.047 R)
• M39: 83,540,986 km (0.059 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: 225 - 11,288 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit