🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.1

Radius: 13.4

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.66 AU - 1 AU

Year: 504 Days

Day: 11.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 64.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,334,949 km

• M1: 173,982 km (0.059 R)
• M2: 687,402 km (0.095 R)
• M3: 1,126,622 km (0.093 R)
• M4: 1,620,145 km (0.069 R)
• M5: 2,708,170 km (0.088 R)
• M6: 3,194,663 km (0.099 R)
• M7: 3,752,363 km (0.112 R)
• M8: 4,615,992 km (0.09 R)
• M9: 5,095,603 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.7

Radius: 11.3

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.76 AU - 1.2 AU

Year: 647 Days

Day: 12.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,334,949 km

• M1: 140,472 km (0.112 R)
• M2: 511,774 km (0.105 R)
• M3: 951,742 km (0.07 R)
• M4: 1,490,743 km (0.094 R)
• M5: 2,555,880 km (0.081 R)
• M6: 3,133,776 km (0.093 R)
• M7: 3,549,060 km (0.064 R)
• M8: 4,015,207 km (0.112 R)
• M9: 5,022,150 km (0.032 R)
• M10: 5,438,331 km (0.094 R)
• M11: 6,041,660 km (0.079 R)
• M12: 6,397,852 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164

Radius: 11.8

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.56 AU - 2.6 AU

Year: 2000 Days

Day: 5.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,334,949 km

• M1: 147,504 km (0.083 R)
• M2: 642,672 km (0.055 R)
• M3: 1,048,980 km (0.045 R)
• M4: 1,834,369 km (0.114 R)
• M5: 2,446,673 km (0.115 R)
• M6: 3,097,424 km (0.064 R)
• M7: 3,588,255 km (0.048 R)
• M8: 4,050,063 km (0.091 R)
• M9: 4,656,383 km (0.12 R)
• M10: 5,558,458 km (0.108 R)
• M11: 9,590,420 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.5

Radius: 12.6

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.23 AU - 3.01 AU

Year: 2828 Days

Day: 7.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 76.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,334,949 km

• M1: 167,101 km (0.082 R)
• M2: 594,203 km (0.066 R)
• M3: 1,025,643 km (0.099 R)
• M4: 1,583,793 km (0.107 R)
• M5: 2,089,882 km (0.11 R)
• M6: 2,599,562 km (0.073 R)
• M7: 3,206,630 km (0.071 R)
• M8: 4,629,605 km (0.061 R)
• M9: 5,125,373 km (0.105 R)
• M10: 5,569,080 km (0.066 R)
• M11: 8,502,395 km (0.088 R)
• M12: 9,559,454 km (0.073 R)
• M13: 11,219,242 km (0.116 R)
• M14: 12,191,628 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.1

Radius: 14.4

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.65 AU - 4.29 AU

Year: 4310 Days

Day: 13.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,334,949 km

• M1: 179,368 km (0.079 R)
• M2: 682,465 km (0.106 R)
• M3: 1,428,959 km (0.081 R)
• M4: 2,091,378 km (0.117 R)
• M5: 3,562,374 km (0.066 R)
• M6: 4,421,664 km (0.091 R)
• M7: 5,359,344 km (0.085 R)
• M8: 6,489,256 km (0.085 R)
• M9: 7,524,175 km (0.107 R)
• M10: 8,026,524 km (0.08 R)
• M11: 8,627,908 km (0.059 R)
• M12: 9,098,692 km (0.106 R)
• M13: 9,753,033 km (0.098 R)
• M14: 10,351,275 km (0.059 R)
• M15: 10,973,901 km (0.108 R)
• M16: 11,716,056 km (0.052 R)
• M17: 13,404,268 km (0.12 R)
• M18: 14,800,914 km (0.065 R)
• M19: 16,471,025 km (0.07 R)
• M20: 18,845,592 km (0.109 R)
• M21: 20,320,477 km (0.098 R)
• M22: 21,440,367 km (0.104 R)
• M23: 24,187,881 km (0.114 R)
• M24: 24,732,866 km (0.089 R)
• M25: 25,686,254 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883

Radius: 8.6

Gravity: 11.94 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.18 AU - 4.42 AU

Year: 4940 Days

Day: 5.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,334,949 km

• M1: 139,425 km (0.103 R)
• M2: 472,131 km (0.06 R)
• M3: 883,076 km (0.059 R)
• M4: 2,170,815 km (0.069 R)
• M5: 2,583,555 km (0.087 R)
• M6: 2,893,672 km (0.079 R)
• M7: 3,768,071 km (0.095 R)
• M8: 4,266,681 km (0.04 R)
• M9: 4,728,340 km (0.085 R)
• M10: 5,026,788 km (0.089 R)
• M11: 6,060,958 km (0.105 R)
• M12: 7,055,185 km (0.063 R)
• M13: 8,039,390 km (0.058 R)
• M14: 8,784,985 km (0.078 R)
• M15: 12,694,726 km (0.029 R)
• M16: 17,182,961 km (0.109 R)
• M17: 18,954,948 km (0.088 R)
• M18: 22,173,396 km (0.064 R)
• M19: 25,407,553 km (0.099 R)
• M20: 28,228,819 km (0.116 R)
• M21: 28,584,413 km (0.077 R)
• M22: 29,395,533 km (0.119 R)
• M23: 31,252,641 km (0.079 R)
• M24: 31,824,553 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.4

Radius: 4

Gravity: 49.78 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.39 AU - 8.67 AU

Year: 12430 Days

Day: 18.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 45,334,949 km

• M1: 49,816 km (0.118 R)
• M2: 230,979 km (0.113 R)
• M3: 959,371 km (0.081 R)
• M4: 1,133,204 km (0.083 R)
• M5: 1,454,989 km (0.099 R)
• M6: 2,048,294 km (0.085 R)
• M7: 2,788,654 km (0.099 R)
• M8: 3,747,726 km (0.105 R)
• M9: 4,301,687 km (0.071 R)
• M10: 4,646,211 km (0.119 R)
• M11: 6,171,511 km (0.076 R)
• M12: 6,368,082 km (0.113 R)
• M13: 7,681,851 km (0.046 R)
• M14: 7,863,462 km (0.091 R)
• M15: 13,525,592 km (0.104 R)
• M16: 13,857,550 km (0.099 R)
• M17: 13,991,739 km (0.063 R)
• M18: 17,016,159 km (0.034 R)
• M19: 24,610,047 km (0.118 R)
• M20: 25,304,181 km (0.11 R)
• M21: 25,504,941 km (0.102 R)
• M22: 26,524,450 km (0.108 R)
• M23: 28,644,252 km (0.054 R)
• M24: 28,971,572 km (0.075 R)
• M25: 32,266,466 km (0.114 R)
• M26: 32,739,644 km (0.118 R)
• M27: 32,977,953 km (0.077 R)
• M28: 37,728,733 km (0.103 R)
• M29: 39,184,619 km (0.057 R)
• M30: 44,501,627 km (0.084 R)
• M31: 48,404,037 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 219.1

Radius: 4.7

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.52 AU - 10.3 AU

Year: 16264 Days

Day: 17.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,334,949 km

• M1: 59,390 km (0.085 R)
• M2: 724,353 km (0.108 R)
• M3: 939,774 km (0.039 R)
• M4: 1,343,090 km (0.041 R)
• M5: 1,612,665 km (0.058 R)
• M6: 1,917,695 km (0.114 R)
• M7: 3,461,096 km (0.105 R)
• M8: 4,640,227 km (0.097 R)
• M9: 6,206,816 km (0.114 R)
• M10: 10,901,346 km (0.098 R)
• M11: 12,264,333 km (0.107 R)
• M12: 14,484,066 km (0.09 R)
• M13: 16,887,505 km (0.111 R)
• M14: 17,383,871 km (0.108 R)
• M15: 19,159,448 km (0.108 R)
• M16: 34,856,902 km (0.047 R)
• M17: 35,314,672 km (0.101 R)
• M18: 35,776,630 km (0.069 R)
• M19: 37,544,428 km (0.11 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: 426 - 15,413 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit