🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.4

Radius: 9.4

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.83 AU - 1.33 AU

Year: 725 Days

Day: 10.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,339,299 km

• M1: 116,986 km (0.054 R)
• M2: 425,456 km (0.09 R)
• M3: 723,605 km (0.108 R)
• M4: 1,210,097 km (0.042 R)
• M5: 1,946,119 km (0.101 R)
• M6: 2,314,429 km (0.082 R)
• M7: 2,750,058 km (0.053 R)
• M8: 3,299,082 km (0.047 R)
• M9: 3,839,579 km (0.114 R)
• M10: 4,293,608 km (0.111 R)
• M11: 4,938,525 km (0.094 R)
• M12: 5,493,084 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.9

Radius: 11.8

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.13 AU - 1.49 AU

Year: 968 Days

Day: 7.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,339,299 km

• M1: 147,204 km (0.1 R)
• M2: 579,841 km (0.101 R)
• M3: 1,221,616 km (0.074 R)
• M4: 2,197,294 km (0.083 R)
• M5: 2,814,086 km (0.113 R)
• M6: 3,917,370 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.4

Radius: 9.8

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.43 AU - 1.51 AU

Year: 1151 Days

Day: 7.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,339,299 km

• M1: 122,072 km (0.097 R)
• M2: 487,091 km (0.087 R)
• M3: 985,401 km (0.082 R)
• M4: 1,307,336 km (0.054 R)
• M5: 1,835,715 km (0.062 R)
• M6: 2,240,378 km (0.105 R)
• M7: 2,601,357 km (0.111 R)
• M8: 2,959,495 km (0.056 R)
• M9: 3,504,031 km (0.081 R)
• M10: 4,184,252 km (0.117 R)
• M11: 4,509,478 km (0.108 R)
• M12: 4,989,538 km (0.076 R)
• M13: 5,418,734 km (0.099 R)
• M14: 6,660,995 km (0.098 R)
• M15: 7,703,692 km (0.085 R)
• M16: 8,447,642 km (0.057 R)
• M17: 9,058,749 km (0.096 R)
• M18: 9,887,522 km (0.086 R)
• M19: 10,599,308 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.7

Radius: 12.8

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.9 AU - 4.76 AU

Year: 5818 Days

Day: 13.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,339,299 km

• M1: 159,322 km (0.089 R)
• M2: 566,228 km (0.102 R)
• M3: 1,127,070 km (0.1 R)
• M4: 1,728,903 km (0.085 R)
• M5: 2,239,031 km (0.113 R)
• M6: 2,645,938 km (0.063 R)
• M7: 3,415,020 km (0.107 R)
• M8: 3,841,075 km (0.086 R)
• M9: 4,277,602 km (0.075 R)
• M10: 5,822,349 km (0.073 R)
• M11: 6,501,374 km (0.085 R)
• M12: 7,377,718 km (0.048 R)
• M13: 8,212,774 km (0.071 R)
• M14: 8,653,489 km (0.032 R)
• M15: 9,451,893 km (0.093 R)
• M16: 10,298,916 km (0.029 R)
• M17: 10,859,609 km (0.067 R)
• M18: 12,664,507 km (0.102 R)
• M19: 13,583,187 km (0.089 R)
• M20: 16,797,447 km (0.105 R)
• M21: 21,829,321 km (0.099 R)
• M22: 25,102,523 km (0.104 R)
• M23: 25,948,050 km (0.052 R)
• M24: 28,873,287 km (0.115 R)
• M25: 32,209,020 km (0.119 R)
• M26: 32,805,616 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.9

Radius: 8.2

Gravity: 14.42 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.1 AU - 6.7 AU

Year: 8102 Days

Day: 13.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,339,299 km

• M1: 111,151 km (0.119 R)
• M2: 383,419 km (0.034 R)
• M3: 1,519,615 km (0.067 R)
• M4: 1,920,388 km (0.077 R)
• M5: 2,623,049 km (0.077 R)
• M6: 3,685,194 km (0.092 R)
• M7: 5,167,858 km (0.068 R)
• M8: 5,936,642 km (0.059 R)
• M9: 8,975,723 km (0.097 R)
• M10: 9,446,806 km (0.076 R)
• M11: 12,627,107 km (0.11 R)
• M12: 15,704,036 km (0.092 R)
• M13: 19,636,665 km (0.062 R)
• M14: 20,110,591 km (0.102 R)
• M15: 22,941,133 km (0.097 R)
• M16: 23,643,794 km (0.097 R)
• M17: 24,270,459 km (0.116 R)
• M18: 26,026,888 km (0.111 R)
• M19: 28,970,226 km (0.08 R)
• M20: 32,786,318 km (0.05 R)
• M21: 33,565,424 km (0.12 R)
• M22: 36,330,292 km (0.103 R)
• M23: 38,378,287 km (0.081 R)
• M24: 45,529,813 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 160.5

Radius: 5

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.74 AU - 8.28 AU

Year: 11984 Days

Day: 20.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,339,299 km

• M1: 65,374 km (0.07 R)
• M2: 279,748 km (0.117 R)
• M3: 441,164 km (0.099 R)
• M4: 709,991 km (0.086 R)
• M5: 925,263 km (0.08 R)
• M6: 1,102,237 km (0.109 R)
• M7: 2,097,512 km (0.046 R)
• M8: 2,322,208 km (0.063 R)
• M9: 2,839,218 km (0.111 R)
• M10: 3,343,662 km (0.103 R)
• M11: 4,932,691 km (0.042 R)
• M12: 5,538,412 km (0.086 R)
• M13: 6,861,905 km (0.106 R)
• M14: 7,250,111 km (0.056 R)
• M15: 7,467,776 km (0.115 R)
• M16: 8,663,512 km (0.117 R)
• M17: 10,433,554 km (0.05 R)
• M18: 11,378,713 km (0.103 R)
• M19: 12,124,010 km (0.074 R)
• M20: 13,656,490 km (0.09 R)
• M21: 15,136,163 km (0.047 R)
• M22: 22,050,876 km (0.073 R)
• M23: 23,363,747 km (0.111 R)
• M24: 26,570,676 km (0.118 R)
• M25: 29,595,695 km (0.073 R)
• M26: 31,286,599 km (0.095 R)
• M27: 31,864,197 km (0.042 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 10,436 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit