🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.9

Radius: 10.7

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.53 AU - 0.63 AU

Year: 300 Days

Day: 7.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,523,863 km

• M1: 133,292 km (0.111 R)
• M2: 541,993 km (0.077 R)
• M3: 1,225,356 km (0.106 R)
• M4: 1,597,705 km (0.116 R)
• M5: 2,084,946 km (0.1 R)
• M6: 2,678,849 km (0.06 R)
• M7: 3,117,919 km (0.059 R)
• M8: 3,790,062 km (0.069 R)
• M9: 4,268,626 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.6

Radius: 9.7

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.66 AU - 2.38 AU

Year: 1947 Days

Day: 7.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,523,863 km

• M1: 122,969 km (0.063 R)
• M2: 549,922 km (0.112 R)
• M3: 908,508 km (0.085 R)
• M4: 1,220,569 km (0.078 R)
• M5: 2,061,907 km (0.097 R)
• M6: 2,661,197 km (0.107 R)
• M7: 3,091,889 km (0.036 R)
• M8: 3,699,256 km (0.099 R)
• M9: 4,016,104 km (0.077 R)
• M10: 4,951,540 km (0.106 R)
• M11: 5,783,304 km (0.118 R)
• M12: 6,487,910 km (0.115 R)
• M13: 8,499,403 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.4

Radius: 12.5

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.2 AU - 2.74 AU

Year: 2633 Days

Day: 14.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,523,863 km

• M1: 202,406 km (0.052 R)
• M2: 1,113,457 km (0.119 R)
• M3: 2,908,781 km (0.11 R)
• M4: 3,846,311 km (0.1 R)
• M5: 4,520,698 km (0.102 R)
• M6: 5,877,401 km (0.072 R)
• M7: 6,997,440 km (0.066 R)
• M8: 10,159,042 km (0.116 R)
• M9: 11,647,690 km (0.114 R)
• M10: 12,216,162 km (0.114 R)
• M11: 13,146,810 km (0.117 R)
• M12: 14,583,997 km (0.076 R)
• M13: 16,474,316 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.5

Radius: 9.6

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.71 AU - 3.41 AU

Year: 3631 Days

Day: 6.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,523,863 km

• M1: 143,315 km (0.098 R)
• M2: 491,279 km (0.119 R)
• M3: 1,319,752 km (0.071 R)
• M4: 1,953,299 km (0.065 R)
• M5: 2,672,716 km (0.108 R)
• M6: 4,438,419 km (0.071 R)
• M7: 5,553,223 km (0.066 R)
• M8: 6,322,305 km (0.097 R)
• M9: 7,637,270 km (0.116 R)
• M10: 8,854,249 km (0.11 R)
• M11: 9,333,710 km (0.065 R)
• M12: 10,270,043 km (0.107 R)
• M13: 12,840,434 km (0.075 R)
• M14: 14,320,705 km (0.087 R)
• M15: 18,266,199 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.6

Radius: 8.6

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.5 AU - 3.98 AU

Year: 4906 Days

Day: 13.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,523,863 km

• M1: 107,112 km (0.115 R)
• M2: 1,369,120 km (0.11 R)
• M3: 1,661,733 km (0.117 R)
• M4: 2,126,683 km (0.09 R)
• M5: 2,851,934 km (0.11 R)
• M6: 3,371,936 km (0.111 R)
• M7: 3,912,882 km (0.107 R)
• M8: 4,715,175 km (0.117 R)
• M9: 5,118,790 km (0.078 R)
• M10: 6,968,418 km (0.109 R)
• M11: 8,010,218 km (0.095 R)
• M12: 10,439,239 km (0.075 R)
• M13: 11,459,646 km (0.047 R)
• M14: 12,015,701 km (0.116 R)
• M15: 13,043,588 km (0.101 R)
• M16: 13,461,415 km (0.073 R)
• M17: 14,668,819 km (0.051 R)
• M18: 15,478,592 km (0.072 R)
• M19: 17,858,994 km (0.078 R)
• M20: 18,958,538 km (0.112 R)
• M21: 20,041,178 km (0.083 R)
• M22: 21,291,966 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.9

Radius: 4

Gravity: 26.12 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 6.5 AU - 8.58 AU

Year: 14043 Days

Day: 20.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,523,863 km

• M1: 50,115 km (0.12 R)
• M2: 693,985 km (0.113 R)
• M3: 3,094,133 km (0.073 R)
• M4: 3,822,974 km (0.099 R)
• M5: 4,910,700 km (0.116 R)
• M6: 6,765,863 km (0.079 R)
• M7: 7,461,643 km (0.113 R)
• M8: 8,203,648 km (0.095 R)
• M9: 8,850,808 km (0.034 R)
• M10: 9,333,411 km (0.069 R)
• M11: 14,427,219 km (0.103 R)
• M12: 16,419,413 km (0.112 R)
• M13: 18,124,380 km (0.118 R)
• M14: 18,665,775 km (0.069 R)
• M15: 19,538,230 km (0.09 R)
• M16: 23,756,591 km (0.109 R)
• M17: 24,125,649 km (0.081 R)
• M18: 27,216,041 km (0.101 R)
• M19: 27,721,682 km (0.112 R)
• M20: 29,487,386 km (0.118 R)
• M21: 29,806,628 km (0.03 R)
• M22: 30,996,828 km (0.112 R)
• M23: 33,241,245 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.8

Radius: 8

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 8.81 AU - 9.15 AU

Year: 18252 Days

Day: 23.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,523,863 km

• M1: 99,483 km (0.112 R)
• M2: 380,727 km (0.109 R)
• M3: 801,994 km (0.073 R)
• M4: 1,681,480 km (0.117 R)
• M5: 2,775,489 km (0.073 R)
• M6: 3,116,722 km (0.072 R)
• M7: 5,992,442 km (0.094 R)
• M8: 6,527,853 km (0.11 R)
• M9: 6,978,741 km (0.113 R)
• M10: 8,111,945 km (0.111 R)
• M11: 10,483,520 km (0.07 R)
• M12: 10,893,268 km (0.119 R)
• M13: 17,098,737 km (0.104 R)
• M14: 20,459,753 km (0.079 R)
• M15: 20,858,431 km (0.118 R)
• M16: 22,844,792 km (0.12 R)
• M17: 25,409,049 km (0.059 R)
• M18: 32,484,878 km (0.052 R)
• M19: 33,686,897 km (0.113 R)
• M20: 38,308,275 km (0.09 R)
• M21: 40,644,395 km (0.044 R)
• M22: 42,943,714 km (0.106 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 14,616 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit