🌌 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: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.8

Radius: 11.6

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.62 AU - 0.62 AU

Year: 326 Days

Day: 9.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 154 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 91,862,241 km

• M1: 144,212 km (0.113 R)
• M2: 520,750 km (0.112 R)
• M3: 901,327 km (0.086 R)
• M4: 1,533,977 km (0.075 R)
• M5: 1,986,510 km (0.1 R)
• M6: 2,479,136 km (0.073 R)
• M7: 3,127,792 km (0.106 R)
• M8: 3,628,048 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.8

Radius: 9.5

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.3 AU - 5 AU

Year: 5638 Days

Day: 13.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 91,862,241 km

• M1: 118,482 km (0.082 R)
• M2: 518,057 km (0.108 R)
• M3: 1,505,852 km (0.119 R)
• M4: 2,280,769 km (0.103 R)
• M5: 4,192,181 km (0.106 R)
• M6: 5,469,597 km (0.102 R)
• M7: 6,686,576 km (0.098 R)
• M8: 7,387,741 km (0.088 R)
• M9: 7,983,290 km (0.118 R)
• M10: 8,387,354 km (0.109 R)
• M11: 9,270,281 km (0.105 R)
• M12: 10,579,262 km (0.101 R)
• M13: 11,220,439 km (0.104 R)
• M14: 13,000,055 km (0.119 R)
• M15: 13,560,149 km (0.077 R)
• M16: 14,544,354 km (0.106 R)
• M17: 14,913,861 km (0.033 R)
• M18: 17,110,256 km (0.099 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 109

Radius: 4.3

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.8 AU - 7.42 AU

Year: 12643 Days

Day: 21.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 91,862,241 km

• M1: 53,706 km (0.107 R)
• M2: 230,231 km (0.118 R)
• M3: 499,358 km (0.108 R)
• M4: 777,610 km (0.058 R)
• M5: 1,084,585 km (0.035 R)
• M6: 1,224,159 km (0.059 R)
• M7: 1,432,848 km (0.118 R)
• M8: 2,023,012 km (0.09 R)
• M9: 2,514,591 km (0.102 R)
• M10: 2,816,030 km (0.077 R)
• M11: 5,638,194 km (0.039 R)
• M12: 5,846,883 km (0.116 R)
• M13: 7,926,294 km (0.096 R)
• M14: 8,611,601 km (0.071 R)
• M15: 9,212,237 km (0.072 R)
• M16: 12,238,901 km (0.071 R)
• M17: 13,519,608 km (0.089 R)
• M18: 14,550,786 km (0.096 R)
• M19: 14,830,684 km (0.111 R)
• M20: 19,470,911 km (0.112 R)
• M21: 20,362,664 km (0.094 R)
• M22: 22,080,197 km (0.059 R)
• M23: 22,375,503 km (0.102 R)
• M24: 25,800,098 km (0.094 R)
• M25: 27,042,957 km (0.065 R)
• M26: 27,466,019 km (0.04 R)
• M27: 27,807,551 km (0.099 R)
• M28: 28,673,873 km (0.09 R)
• M29: 29,647,456 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92.8

Radius: 5.7

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 7.9 AU - 8.46 AU

Year: 15601 Days

Day: 20.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,862,241 km

• M1: 452,384 km (0.04 R)
• M2: 893,548 km (0.098 R)
• M3: 1,133,503 km (0.102 R)
• M4: 1,369,718 km (0.106 R)
• M5: 2,217,639 km (0.067 R)
• M6: 2,607,491 km (0.103 R)
• M7: 2,982,832 km (0.071 R)
• M8: 3,702,547 km (0.106 R)
• M9: 5,750,542 km (0.1 R)
• M10: 6,385,735 km (0.078 R)
• M11: 6,823,009 km (0.074 R)
• M12: 7,461,194 km (0.081 R)
• M13: 9,271,926 km (0.107 R)
• M14: 10,233,542 km (0.098 R)
• M15: 10,552,933 km (0.104 R)
• M16: 16,926,101 km (0.09 R)
• M17: 17,631,904 km (0.057 R)
• M18: 20,008,117 km (0.085 R)
• M19: 20,364,160 km (0.117 R)
• M20: 26,822,001 km (0.119 R)
• M21: 28,223,583 km (0.09 R)
• M22: 29,397,777 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.7

Radius: 3.9

Gravity: 42.52 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 8.01 AU - 8.65 AU

Year: 16032 Days

Day: 22.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 91,862,241 km

• M1: 48,470 km (0.096 R)
• M2: 393,442 km (0.074 R)
• M3: 586,872 km (0.12 R)
• M4: 916,137 km (0.116 R)
• M5: 1,103,284 km (0.087 R)
• M6: 1,446,312 km (0.082 R)
• M7: 2,003,265 km (0.074 R)
• M8: 2,761,128 km (0.078 R)
• M9: 3,469,923 km (0.114 R)
• M10: 4,682,114 km (0.073 R)
• M11: 4,817,051 km (0.083 R)
• M12: 5,419,931 km (0.104 R)
• M13: 5,568,781 km (0.068 R)
• M14: 6,688,371 km (0.109 R)
• M15: 7,667,340 km (0.045 R)
• M16: 8,436,572 km (0.071 R)
• M17: 10,410,366 km (0.077 R)
• M18: 11,843,215 km (0.116 R)
• M19: 12,737,062 km (0.089 R)
• M20: 12,934,232 km (0.077 R)
• M21: 14,020,761 km (0.072 R)
• M22: 14,443,375 km (0.058 R)
• M23: 15,462,586 km (0.118 R)
• M24: 16,219,252 km (0.084 R)
• M25: 17,480,810 km (0.086 R)
• M26: 18,891,369 km (0.038 R)
• M27: 19,233,948 km (0.104 R)
• M28: 21,009,226 km (0.072 R)
• M29: 21,192,633 km (0.1 R)
• M30: 23,085,046 km (0.084 R)
• M31: 24,172,473 km (0.079 R)
• M32: 25,919,327 km (0.077 R)
• M33: 32,145,291 km (0.096 R)
• M34: 34,508,040 km (0.093 R)
• M35: 38,333,557 km (0.107 R)
• M36: 46,346,916 km (0.106 R)
• M37: 48,711,311 km (0.091 R)
• M38: 50,659,673 km (0.113 R)
• M39: 51,987,205 km (0.107 R)
• M40: 55,581,742 km (0.065 R)
• M41: 58,973,425 km (0.112 R)
• M42: 63,451,638 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.8

Radius: 4.9

Gravity: 40.85 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 9.24 AU - 11.44 AU

Year: 22172 Days

Day: 17.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 91,862,241 km

• M1: 61,036 km (0.084 R)
• M2: 286,779 km (0.087 R)
• M3: 480,808 km (0.085 R)
• M4: 1,530,087 km (0.108 R)
• M5: 2,323,105 km (0.094 R)
• M6: 2,564,407 km (0.09 R)
• M7: 3,097,424 km (0.119 R)
• M8: 3,637,323 km (0.062 R)
• M9: 4,133,389 km (0.085 R)
• M10: 4,452,033 km (0.064 R)
• M11: 6,527,853 km (0.087 R)
• M12: 7,988,078 km (0.047 R)
• M13: 9,410,604 km (0.099 R)
• M14: 12,166,944 km (0.112 R)
• M15: 18,723,969 km (0.102 R)
• M16: 24,013,450 km (0.106 R)
• M17: 24,466,133 km (0.097 R)
• M18: 24,694,569 km (0.118 R)
• M19: 25,039,841 km (0.114 R)
• M20: 30,613,559 km (0.095 R)
• M21: 44,638,509 km (0.068 R)
• M22: 45,494,657 km (0.079 R)
• M23: 57,640,808 km (0.072 R)
• M24: 65,215,247 km (0.101 R)
• M25: 73,189,711 km (0.115 R)
• M26: 76,066,478 km (0.119 R)
• M27: 81,534,879 km (0.118 R)
• M28: 89,405,821 km (0.097 R)
• M29: 90,765,067 km (0.097 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 11,127 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit