🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.3

Radius: 11.3

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.57 AU - 0.93 AU

Year: 433 Days

Day: 7.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,761,078 km

• M1: 140,772 km (0.046 R)
• M2: 570,566 km (0.115 R)
• M3: 1,014,872 km (0.069 R)
• M4: 1,509,443 km (0.06 R)
• M5: 1,936,096 km (0.116 R)
• M6: 2,433,957 km (0.079 R)
• M7: 3,312,994 km (0.092 R)
• M8: 4,122,169 km (0.087 R)
• M9: 4,517,257 km (0.11 R)
• M10: 4,997,766 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.1

Radius: 14.5

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.79 AU - 2.75 AU

Year: 2281 Days

Day: 11.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,761,078 km

• M1: 180,415 km (0.05 R)
• M2: 948,600 km (0.109 R)
• M3: 2,185,326 km (0.106 R)
• M4: 2,707,721 km (0.093 R)
• M5: 3,397,966 km (0.082 R)
• M6: 4,243,044 km (0.114 R)
• M7: 4,694,830 km (0.053 R)
• M8: 6,726,818 km (0.087 R)
• M9: 8,154,281 km (0.103 R)
• M10: 9,123,077 km (0.108 R)
• M11: 11,721,592 km (0.115 R)
• M12: 14,184,122 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.7

Radius: 12.1

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.16 AU - 2.8 AU

Year: 2604 Days

Day: 6.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,761,078 km

• M1: 152,590 km (0.105 R)
• M2: 970,741 km (0.036 R)
• M3: 1,431,053 km (0.029 R)
• M4: 1,862,793 km (0.091 R)
• M5: 2,341,955 km (0.054 R)
• M6: 3,241,487 km (0.076 R)
• M7: 3,789,912 km (0.117 R)
• M8: 4,610,008 km (0.112 R)
• M9: 5,448,354 km (0.07 R)
• M10: 6,148,472 km (0.054 R)
• M11: 7,280,629 km (0.109 R)
• M12: 9,284,642 km (0.117 R)
• M13: 9,811,526 km (0.113 R)
• M14: 10,733,946 km (0.117 R)
• M15: 11,118,712 km (0.036 R)
• M16: 15,201,388 km (0.1 R)
• M17: 16,537,446 km (0.036 R)
• M18: 17,736,024 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.9

Radius: 14.4

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.42 AU - 2.88 AU

Year: 2877 Days

Day: 13.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,761,078 km

• M1: 179,069 km (0.106 R)
• M2: 719,715 km (0.097 R)
• M3: 1,660,237 km (0.117 R)
• M4: 2,353,175 km (0.071 R)
• M5: 2,808,999 km (0.107 R)
• M6: 3,742,490 km (0.084 R)
• M7: 5,190,448 km (0.042 R)
• M8: 6,804,160 km (0.105 R)
• M9: 9,726,106 km (0.089 R)
• M10: 10,310,435 km (0.117 R)
• M11: 12,339,730 km (0.06 R)
• M12: 12,793,909 km (0.118 R)
• M13: 14,623,341 km (0.116 R)
• M14: 15,391,377 km (0.112 R)
• M15: 16,294,350 km (0.051 R)
• M16: 18,736,236 km (0.102 R)
• M17: 20,013,502 km (0.079 R)
• M18: 20,896,878 km (0.073 R)
• M19: 22,070,473 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121

Radius: 12.7

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.78 AU - 3.08 AU

Year: 3344 Days

Day: 10.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,761,078 km

• M1: 158,574 km (0.065 R)
• M2: 995,723 km (0.078 R)
• M3: 1,420,282 km (0.087 R)
• M4: 2,085,245 km (0.071 R)
• M5: 2,591,484 km (0.105 R)
• M6: 4,662,367 km (0.104 R)
• M7: 5,096,799 km (0.032 R)
• M8: 6,589,637 km (0.078 R)
• M9: 8,019,044 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641.8

Radius: 6.1

Gravity: 17.25 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 5.46 AU - 8.86 AU

Year: 12776 Days

Day: 22.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,761,078 km

• M1: 75,846 km (0.119 R)
• M2: 337,343 km (0.092 R)
• M3: 601,383 km (0.077 R)
• M4: 847,771 km (0.069 R)
• M5: 1,934,300 km (0.117 R)
• M6: 2,824,258 km (0.089 R)
• M7: 3,247,620 km (0.036 R)
• M8: 5,949,059 km (0.084 R)
• M9: 7,477,799 km (0.095 R)
• M10: 8,010,667 km (0.106 R)
• M11: 8,332,901 km (0.08 R)
• M12: 11,287,608 km (0.085 R)
• M13: 12,717,165 km (0.091 R)
• M14: 15,644,497 km (0.108 R)
• M15: 16,294,050 km (0.076 R)
• M16: 17,112,351 km (0.036 R)
• M17: 17,957,579 km (0.118 R)
• M18: 18,350,872 km (0.045 R)
• M19: 21,884,373 km (0.117 R)
• M20: 22,514,330 km (0.105 R)
• M21: 29,167,845 km (0.082 R)
• M22: 29,711,184 km (0.052 R)
• M23: 35,522,164 km (0.119 R)
• M24: 40,682,991 km (0.12 R)
• M25: 53,263,424 km (0.093 R)
• M26: 53,749,318 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 81.7

Radius: 4.6

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 7.56 AU - 12.42 AU

Year: 21056 Days

Day: 19.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,761,078 km

• M1: 57,745 km (0.1 R)
• M2: 528,080 km (0.113 R)
• M3: 785,688 km (0.055 R)
• M4: 1,759,720 km (0.08 R)
• M5: 2,147,627 km (0.119 R)
• M6: 2,406,431 km (0.115 R)
• M7: 3,221,141 km (0.059 R)
• M8: 3,376,723 km (0.106 R)
• M9: 3,631,339 km (0.102 R)
• M10: 3,775,551 km (0.051 R)
• M11: 4,779,951 km (0.108 R)
• M12: 5,983,915 km (0.104 R)
• M13: 6,567,047 km (0.098 R)
• M14: 7,037,981 km (0.096 R)
• M15: 7,530,906 km (0.078 R)
• M16: 7,885,603 km (0.084 R)
• M17: 8,375,536 km (0.094 R)
• M18: 8,713,328 km (0.079 R)
• M19: 10,588,388 km (0.05 R)
• M20: 11,033,441 km (0.08 R)
• M21: 16,913,535 km (0.091 R)
• M22: 24,163,347 km (0.112 R)
• M23: 29,416,028 km (0.084 R)
• M24: 31,088,681 km (0.109 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 11,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit