🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.6

Radius: 8.5

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.55 AU - 0.89 AU

Year: 401 Days

Day: 5.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,138,061 km

• M1: 106,514 km (0.092 R)
• M2: 390,002 km (0.064 R)
• M3: 706,102 km (0.103 R)
• M4: 1,026,690 km (0.109 R)
• M5: 1,458,130 km (0.112 R)
• M6: 2,253,393 km (0.097 R)
• M7: 2,529,850 km (0.06 R)
• M8: 3,708,232 km (0.066 R)
• M9: 4,149,995 km (0.09 R)
• M10: 4,878,087 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.3

Radius: 14

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.29 AU - 2.75 AU

Year: 2624 Days

Day: 10.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,138,061 km

• M1: 175,179 km (0.079 R)
• M2: 628,610 km (0.074 R)
• M3: 1,450,202 km (0.108 R)
• M4: 1,902,137 km (0.107 R)
• M5: 2,625,143 km (0.032 R)
• M6: 3,928,739 km (0.087 R)
• M7: 6,742,675 km (0.08 R)
• M8: 7,967,583 km (0.115 R)
• M9: 9,263,998 km (0.079 R)
• M10: 10,383,439 km (0.104 R)
• M11: 12,623,368 km (0.071 R)
• M12: 13,762,705 km (0.116 R)
• M13: 15,319,869 km (0.091 R)
• M14: 17,428,002 km (0.075 R)
• M15: 18,666,673 km (0.07 R)
• M16: 20,757,153 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.9

Radius: 13.5

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.64 AU - 3.1 AU

Year: 3190 Days

Day: 12.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,138,061 km

• M1: 168,447 km (0.057 R)
• M2: 598,092 km (0.079 R)
• M3: 1,075,609 km (0.108 R)
• M4: 2,333,428 km (0.086 R)
• M5: 2,914,466 km (0.116 R)
• M6: 3,498,645 km (0.114 R)
• M7: 4,243,643 km (0.114 R)
• M8: 5,092,162 km (0.036 R)
• M9: 5,557,411 km (0.109 R)
• M10: 9,009,681 km (0.109 R)
• M11: 9,656,393 km (0.113 R)
• M12: 10,566,696 km (0.107 R)
• M13: 11,574,986 km (0.052 R)
• M14: 12,514,460 km (0.096 R)
• M15: 15,385,991 km (0.071 R)
• M16: 16,787,424 km (0.117 R)
• M17: 17,218,565 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.1

Radius: 8.9

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.51 AU - 5.71 AU

Year: 8717 Days

Day: 14.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,138,061 km

• M1: 111,002 km (0.1 R)
• M2: 409,599 km (0.117 R)
• M3: 993,031 km (0.065 R)
• M4: 1,666,221 km (0.045 R)
• M5: 3,067,056 km (0.108 R)
• M6: 3,789,613 km (0.077 R)
• M7: 4,285,829 km (0.085 R)
• M8: 5,537,066 km (0.102 R)
• M9: 6,003,961 km (0.107 R)
• M10: 9,375,897 km (0.117 R)
• M11: 10,432,956 km (0.07 R)
• M12: 15,398,408 km (0.107 R)
• M13: 17,352,007 km (0.051 R)
• M14: 17,633,849 km (0.113 R)
• M15: 22,570,579 km (0.101 R)
• M16: 28,748,223 km (0.114 R)
• M17: 32,862,912 km (0.099 R)
• M18: 35,511,243 km (0.101 R)
• M19: 38,777,114 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.5

Radius: 7.3

Gravity: 14.2 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.08 AU - 7.12 AU

Year: 9883 Days

Day: 15.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,138,061 km

• M1: 90,956 km (0.098 R)
• M2: 386,561 km (0.079 R)
• M3: 953,238 km (0.066 R)
• M4: 1,609,972 km (0.095 R)
• M5: 2,286,005 km (0.029 R)
• M6: 2,826,053 km (0.102 R)
• M7: 3,547,414 km (0.112 R)
• M8: 5,349,620 km (0.098 R)
• M9: 7,860,321 km (0.042 R)
• M10: 9,035,263 km (0.045 R)
• M11: 9,964,864 km (0.114 R)
• M12: 11,842,018 km (0.119 R)
• M13: 13,196,627 km (0.108 R)
• M14: 14,521,017 km (0.075 R)
• M15: 16,070,551 km (0.065 R)
• M16: 19,574,283 km (0.046 R)
• M17: 21,801,346 km (0.087 R)
• M18: 22,058,804 km (0.082 R)
• M19: 24,560,380 km (0.071 R)
• M20: 25,120,026 km (0.091 R)
• M21: 38,926,563 km (0.108 R)
• M22: 40,587,099 km (0.089 R)
• M23: 47,558,210 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.1

Radius: 3.5

Gravity: 38.7 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 9.48 AU - 9.7 AU

Year: 19482 Days

Day: 19.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,138,061 km

• M1: 49,966 km (0.109 R)
• M2: 198,965 km (0.11 R)
• M3: 416,331 km (0.102 R)
• M4: 604,675 km (0.107 R)
• M5: 837,299 km (0.097 R)
• M6: 1,344,436 km (0.116 R)
• M7: 3,050,749 km (0.096 R)
• M8: 5,712,245 km (0.09 R)
• M9: 6,646,185 km (0.096 R)
• M10: 8,059,884 km (0.11 R)
• M11: 8,505,237 km (0.066 R)
• M12: 10,861,105 km (0.045 R)
• M13: 11,040,024 km (0.036 R)
• M14: 11,465,181 km (0.1 R)
• M15: 13,411,898 km (0.108 R)
• M16: 18,531,885 km (0.08 R)
• M17: 19,305,755 km (0.113 R)
• M18: 21,380,677 km (0.099 R)
• M19: 22,811,282 km (0.114 R)
• M20: 23,104,793 km (0.085 R)
• M21: 23,899,905 km (0.086 R)
• M22: 43,566,939 km (0.097 R)
• M23: 47,905,876 km (0.028 R)
• M24: 54,069,158 km (0.084 R)
• M25: 60,179,783 km (0.117 R)
• M26: 60,927,622 km (0.097 R)
• M27: 65,544,961 km (0.087 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 14,629 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit