🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831

Radius: 10

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.76 AU - 0.86 AU

Year: 494 Days

Day: 6.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,619,984 km

• M1: 124,615 km (0.064 R)
• M2: 458,667 km (0.095 R)
• M3: 886,367 km (0.074 R)
• M4: 1,318,256 km (0.096 R)
• M5: 1,775,278 km (0.093 R)
• M6: 2,575,477 km (0.1 R)
• M7: 3,023,074 km (0.052 R)
• M8: 3,395,572 km (0.064 R)
• M9: 4,075,495 km (0.114 R)
• M10: 4,875,544 km (0.114 R)
• M11: 5,321,795 km (0.101 R)
• M12: 6,411,466 km (0.106 R)
• M13: 6,765,713 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.4

Radius: 8.4

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.67 AU - 3.39 AU

Year: 3577 Days

Day: 7.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,619,984 km

• M1: 104,569 km (0.112 R)
• M2: 546,331 km (0.115 R)
• M3: 854,653 km (0.103 R)
• M4: 2,430,517 km (0.099 R)
• M5: 2,754,097 km (0.077 R)
• M6: 3,373,731 km (0.082 R)
• M7: 5,384,476 km (0.099 R)
• M8: 6,553,135 km (0.105 R)
• M9: 7,292,447 km (0.036 R)
• M10: 8,534,559 km (0.12 R)
• M11: 9,350,914 km (0.036 R)
• M12: 9,912,056 km (0.083 R)
• M13: 10,321,655 km (0.107 R)
• M14: 13,305,683 km (0.096 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.5

Radius: 5.5

Gravity: 32.55 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.98 AU - 7.98 AU

Year: 12508 Days

Day: 16.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,619,984 km

• M1: 68,665 km (0.088 R)
• M2: 240,553 km (0.093 R)
• M3: 485,146 km (0.115 R)
• M4: 1,096,253 km (0.098 R)
• M5: 1,316,760 km (0.104 R)
• M6: 1,535,772 km (0.034 R)
• M7: 3,068,701 km (0.101 R)
• M8: 3,245,675 km (0.065 R)
• M9: 3,537,541 km (0.084 R)
• M10: 4,173,930 km (0.107 R)
• M11: 4,519,352 km (0.115 R)
• M12: 5,303,095 km (0.08 R)
• M13: 8,636,285 km (0.08 R)
• M14: 9,301,547 km (0.091 R)
• M15: 12,951,136 km (0.119 R)
• M16: 16,281,634 km (0.052 R)
• M17: 19,531,797 km (0.101 R)
• M18: 20,944,599 km (0.106 R)
• M19: 26,531,182 km (0.078 R)
• M20: 27,387,032 km (0.096 R)
• M21: 28,040,924 km (0.105 R)
• M22: 30,180,174 km (0.07 R)
• M23: 41,659,566 km (0.106 R)
• M24: 43,695,144 km (0.071 R)
• M25: 43,991,199 km (0.118 R)
• M26: 49,552,649 km (0.025 R)
• M27: 54,359,677 km (0.086 R)
• M28: 58,028,416 km (0.06 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 820.4

Radius: 3.2

Gravity: 80.12 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 9.12 AU - 11.96 AU

Year: 23209 Days

Day: 24.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 71,619,984 km

• M1: 39,793 km (0.117 R)
• M2: 295,157 km (0.101 R)
• M3: 411,993 km (0.083 R)
• M4: 989,440 km (0.109 R)
• M5: 1,212,192 km (0.072 R)
• M6: 1,874,461 km (0.065 R)
• M7: 2,352,875 km (0.073 R)
• M8: 4,856,994 km (0.087 R)
• M9: 5,011,529 km (0.065 R)
• M10: 5,249,539 km (0.119 R)
• M11: 8,113,291 km (0.071 R)
• M12: 8,276,203 km (0.102 R)
• M13: 8,496,710 km (0.082 R)
• M14: 9,903,529 km (0.118 R)
• M15: 10,214,991 km (0.095 R)
• M16: 13,851,416 km (0.115 R)
• M17: 14,557,518 km (0.12 R)
• M18: 16,383,959 km (0.032 R)
• M19: 17,622,629 km (0.073 R)
• M20: 19,208,815 km (0.082 R)
• M21: 20,384,056 km (0.101 R)
• M22: 27,348,436 km (0.074 R)
• M23: 34,028,429 km (0.118 R)
• M24: 35,889,726 km (0.077 R)
• M25: 36,328,796 km (0.11 R)
• M26: 39,657,797 km (0.097 R)
• M27: 39,970,157 km (0.054 R)
• M28: 51,965,064 km (0.093 R)
• M29: 54,620,875 km (0.108 R)
• M30: 68,365,329 km (0.087 R)
• M31: 80,189,395 km (0.038 R)
• M32: 88,696,428 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.9

Radius: 5.5

Gravity: 13.52 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 9.06 AU - 12.28 AU

Year: 23639 Days

Day: 22.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,619,984 km

• M1: 68,516 km (0.087 R)
• M2: 471,981 km (0.119 R)
• M3: 1,311,525 km (0.116 R)
• M4: 1,980,975 km (0.036 R)
• M5: 3,871,892 km (0.1 R)
• M6: 6,632,122 km (0.094 R)
• M7: 8,281,888 km (0.073 R)
• M8: 9,559,753 km (0.115 R)
• M9: 13,389,159 km (0.092 R)
• M10: 14,466,712 km (0.094 R)
• M11: 17,453,284 km (0.053 R)
• M12: 20,732,769 km (0.099 R)
• M13: 21,300,642 km (0.101 R)
• M14: 23,268,453 km (0.119 R)
• M15: 23,984,877 km (0.116 R)
• M16: 35,346,087 km (0.072 R)
• M17: 47,838,257 km (0.1 R)
• M18: 50,001,742 km (0.116 R)
• M19: 64,366,877 km (0.043 R)
• M20: 65,573,833 km (0.06 R)
• M21: 66,386,598 km (0.096 R)
• M22: 68,448,207 km (0.053 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: 298 - 16,422 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit