🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.15 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.4

Radius: 12.8

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.99 AU - 4.61 AU

Year: 6048 Days

Day: 10.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,737,552 km

• M1: 163,062 km (0.096 R)
• M2: 812,616 km (0.116 R)
• M3: 1,316,611 km (0.097 R)
• M4: 3,602,616 km (0.118 R)
• M5: 4,494,070 km (0.068 R)
• M6: 4,900,078 km (0.12 R)
• M7: 6,024,755 km (0.071 R)
• M8: 6,520,074 km (0.097 R)
• M9: 7,452,816 km (0.103 R)
• M10: 7,951,576 km (0.108 R)
• M11: 9,418,832 km (0.069 R)
• M12: 11,335,180 km (0.057 R)
• M13: 12,385,208 km (0.108 R)
• M14: 13,814,167 km (0.057 R)
• M15: 14,296,021 km (0.09 R)
• M16: 18,180,779 km (0.104 R)
• M17: 21,271,620 km (0.099 R)
• M18: 22,277,965 km (0.085 R)
• M19: 28,217,001 km (0.102 R)
• M20: 28,646,945 km (0.109 R)
• M21: 29,343,772 km (0.079 R)

Planet 2 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 966.8

Radius: 6.3

Gravity: 24.36 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.82 AU - 6 AU

Year: 9745 Days

Day: 21.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,737,552 km

• M1: 79,436 km (0.107 R)
• M2: 381,026 km (0.091 R)
• M3: 647,908 km (0.078 R)
• M4: 1,060,350 km (0.052 R)
• M5: 1,274,424 km (0.101 R)
• M6: 1,665,623 km (0.066 R)
• M7: 1,923,529 km (0.09 R)
• M8: 2,644,442 km (0.08 R)
• M9: 4,759,905 km (0.114 R)
• M10: 6,556,575 km (0.089 R)
• M11: 6,955,553 km (0.047 R)
• M12: 7,455,509 km (0.12 R)
• M13: 10,006,153 km (0.095 R)
• M14: 10,751,749 km (0.087 R)
• M15: 11,250,209 km (0.107 R)
• M16: 11,706,183 km (0.057 R)
• M17: 12,654,933 km (0.093 R)
• M18: 12,961,608 km (0.113 R)
• M19: 13,653,947 km (0.109 R)
• M20: 16,597,734 km (0.108 R)
• M21: 19,448,172 km (0.058 R)
• M22: 20,021,880 km (0.118 R)
• M23: 20,438,510 km (0.11 R)
• M24: 23,518,431 km (0.115 R)
• M25: 25,120,474 km (0.067 R)
• M26: 25,507,634 km (0.116 R)
• M27: 29,173,978 km (0.093 R)
• M28: 35,551,336 km (0.052 R)
• M29: 38,547,631 km (0.081 R)
• M30: 42,936,234 km (0.099 R)
• M31: 50,355,541 km (0.101 R)
• M32: 51,747,848 km (0.091 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.3

Radius: 5.7

Gravity: 13.12 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.64 AU - 9.16 AU

Year: 13653 Days

Day: 24.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,737,552 km

• M1: 70,909 km (0.073 R)
• M2: 284,685 km (0.075 R)
• M3: 491,579 km (0.037 R)
• M4: 774,917 km (0.078 R)
• M5: 1,082,939 km (0.061 R)
• M6: 1,272,330 km (0.117 R)
• M7: 1,845,739 km (0.072 R)
• M8: 2,340,159 km (0.05 R)
• M9: 2,874,523 km (0.038 R)
• M10: 4,210,731 km (0.084 R)
• M11: 5,127,766 km (0.047 R)
• M12: 5,529,436 km (0.059 R)
• M13: 7,729,423 km (0.048 R)
• M14: 10,347,984 km (0.066 R)
• M15: 11,827,058 km (0.098 R)
• M16: 12,706,843 km (0.119 R)
• M17: 14,011,037 km (0.107 R)
• M18: 14,861,501 km (0.1 R)
• M19: 31,838,466 km (0.102 R)
• M20: 36,735,702 km (0.109 R)
• M21: 37,846,765 km (0.11 R)
• M22: 38,599,691 km (0.114 R)
• M23: 47,407,864 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.8

Radius: 6.8

Gravity: 21.28 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 7.34 AU - 7.5 AU

Year: 13709 Days

Day: 18.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,737,552 km

• M1: 85,570 km (0.091 R)
• M2: 305,030 km (0.112 R)
• M3: 633,996 km (0.094 R)
• M4: 1,151,156 km (0.06 R)
• M5: 1,660,237 km (0.038 R)
• M6: 2,479,884 km (0.117 R)
• M7: 2,893,672 km (0.083 R)
• M8: 3,194,363 km (0.114 R)
• M9: 3,741,892 km (0.03 R)
• M10: 7,318,477 km (0.118 R)
• M11: 8,366,261 km (0.091 R)
• M12: 9,030,625 km (0.07 R)
• M13: 17,393,894 km (0.025 R)
• M14: 18,136,797 km (0.108 R)
• M15: 22,556,816 km (0.071 R)
• M16: 31,110,523 km (0.076 R)
• M17: 37,375,382 km (0.106 R)
• M18: 38,195,927 km (0.117 R)
• M19: 39,731,250 km (0.114 R)
• M20: 43,223,313 km (0.106 R)
• M21: 57,050,943 km (0.055 R)
• M22: 62,243,485 km (0.098 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 17,294 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit