🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.09 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.5

Radius: 13.6

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.78 AU - 2.58 AU

Year: 2146 Days

Day: 7.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,841,849 km

• M1: 169,195 km (0.1 R)
• M2: 604,974 km (0.064 R)
• M3: 1,422,526 km (0.095 R)
• M4: 2,104,393 km (0.092 R)
• M5: 3,024,570 km (0.092 R)
• M6: 3,562,224 km (0.041 R)
• M7: 4,832,011 km (0.073 R)
• M8: 5,740,669 km (0.055 R)
• M9: 6,453,951 km (0.108 R)
• M10: 8,442,107 km (0.091 R)
• M11: 10,355,913 km (0.082 R)
• M12: 11,586,355 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.5

Radius: 8.5

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.84 AU - 2.66 AU

Year: 2251 Days

Day: 14.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,841,849 km

• M1: 105,915 km (0.107 R)
• M2: 391,498 km (0.087 R)
• M3: 746,344 km (0.099 R)
• M4: 1,077,254 km (0.079 R)
• M5: 1,408,314 km (0.1 R)
• M6: 1,827,936 km (0.073 R)
• M7: 2,292,288 km (0.115 R)
• M8: 2,919,552 km (0.113 R)
• M9: 3,656,322 km (0.118 R)
• M10: 4,414,932 km (0.054 R)
• M11: 5,209,447 km (0.106 R)
• M12: 5,953,696 km (0.052 R)
• M13: 8,021,288 km (0.077 R)
• M14: 8,856,942 km (0.092 R)
• M15: 9,328,026 km (0.118 R)
• M16: 9,981,768 km (0.117 R)
• M17: 10,561,310 km (0.101 R)
• M18: 11,271,452 km (0.093 R)
• M19: 11,601,315 km (0.053 R)
• M20: 12,512,516 km (0.1 R)
• M21: 12,985,544 km (0.063 R)
• M22: 14,305,596 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.9

Radius: 12.8

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.84 AU - 4.7 AU

Year: 5884 Days

Day: 12.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,841,849 km

• M1: 159,172 km (0.085 R)
• M2: 617,839 km (0.093 R)
• M3: 1,044,941 km (0.098 R)
• M4: 1,584,092 km (0.077 R)
• M5: 2,772,946 km (0.096 R)
• M6: 3,658,266 km (0.105 R)
• M7: 4,487,637 km (0.085 R)
• M8: 5,030,677 km (0.037 R)
• M9: 6,824,356 km (0.044 R)
• M10: 7,880,666 km (0.113 R)
• M11: 9,043,042 km (0.052 R)
• M12: 10,661,691 km (0.112 R)
• M13: 11,121,854 km (0.118 R)
• M14: 11,780,832 km (0.098 R)
• M15: 13,338,894 km (0.031 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 946.5

Radius: 7.1

Gravity: 18.78 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.48 AU - 7.24 AU

Year: 9460 Days

Day: 15.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,841,849 km

• M1: 88,263 km (0.062 R)
• M2: 314,904 km (0.078 R)
• M3: 681,119 km (0.107 R)
• M4: 939,923 km (0.083 R)
• M5: 1,264,700 km (0.103 R)
• M6: 2,234,095 km (0.1 R)
• M7: 2,504,568 km (0.12 R)
• M8: 4,315,749 km (0.112 R)
• M9: 4,958,122 km (0.032 R)
• M10: 5,875,307 km (0.053 R)
• M11: 7,435,463 km (0.042 R)
• M12: 8,679,818 km (0.056 R)
• M13: 9,450,247 km (0.057 R)
• M14: 11,016,238 km (0.072 R)
• M15: 11,918,612 km (0.116 R)
• M16: 13,869,667 km (0.113 R)
• M17: 14,586,840 km (0.073 R)
• M18: 22,279,461 km (0.082 R)
• M19: 25,506,437 km (0.06 R)
• M20: 27,080,356 km (0.037 R)
• M21: 30,856,206 km (0.083 R)
• M22: 31,964,128 km (0.089 R)
• M23: 34,731,090 km (0.109 R)
• M24: 37,528,870 km (0.115 R)
• M25: 39,046,540 km (0.078 R)
• M26: 40,604,752 km (0.034 R)
• M27: 41,265,974 km (0.064 R)
• M28: 49,470,071 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787.6

Radius: 6.6

Gravity: 18.08 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 8.49 AU - 8.91 AU

Year: 17112 Days

Day: 20.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 71,841,849 km

• M1: 82,129 km (0.059 R)
• M2: 287,527 km (0.11 R)
• M3: 529,128 km (0.075 R)
• M4: 795,262 km (0.079 R)
• M5: 1,150,408 km (0.115 R)
• M6: 1,850,376 km (0.084 R)
• M7: 2,346,443 km (0.061 R)
• M8: 5,285,442 km (0.116 R)
• M9: 6,841,559 km (0.09 R)
• M10: 7,204,484 km (0.075 R)
• M11: 8,370,450 km (0.067 R)
• M12: 10,465,867 km (0.106 R)
• M13: 12,349,753 km (0.069 R)
• M14: 13,441,518 km (0.118 R)
• M15: 14,448,462 km (0.102 R)
• M16: 15,197,947 km (0.104 R)
• M17: 18,456,039 km (0.116 R)
• M18: 19,070,437 km (0.107 R)
• M19: 19,880,211 km (0.107 R)
• M20: 21,090,158 km (0.086 R)
• M21: 22,151,555 km (0.101 R)
• M22: 23,146,979 km (0.109 R)
• M23: 23,964,681 km (0.053 R)
• M24: 24,695,616 km (0.111 R)
• M25: 28,691,824 km (0.119 R)
• M26: 29,634,889 km (0.057 R)
• M27: 32,082,909 km (0.072 R)
• M28: 33,485,090 km (0.106 R)
• M29: 33,874,493 km (0.053 R)
• M30: 38,077,146 km (0.092 R)
• M31: 49,318,528 km (0.089 R)
• M32: 49,991,420 km (0.057 R)
• M33: 50,841,136 km (0.109 R)
• M34: 61,607,096 km (0.114 R)
• M35: 70,133,427 km (0.052 R)
• M36: 70,557,836 km (0.044 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 19,677 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit