🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.1

Radius: 8.5

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.93 AU - 0.97 AU

Year: 598 Days

Day: 9.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 73,940,502 km

• M1: 105,915 km (0.109 R)
• M2: 759,957 km (0.096 R)
• M3: 1,103,583 km (0.079 R)
• M4: 1,673,851 km (0.061 R)
• M5: 2,354,072 km (0.082 R)
• M6: 2,782,371 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.8

Radius: 11.2

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.72 AU - 3.94 AU

Year: 3924 Days

Day: 7.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,940,502 km

• M1: 139,276 km (0.115 R)
• M2: 637,736 km (0.097 R)
• M3: 1,139,786 km (0.12 R)
• M4: 1,827,338 km (0.118 R)
• M5: 2,393,267 km (0.107 R)
• M6: 3,302,971 km (0.102 R)
• M7: 5,130,459 km (0.054 R)
• M8: 6,094,767 km (0.108 R)
• M9: 6,782,468 km (0.096 R)
• M10: 8,693,431 km (0.07 R)
• M11: 9,122,179 km (0.11 R)
• M12: 10,099,951 km (0.084 R)
• M13: 10,654,660 km (0.056 R)
• M14: 12,576,543 km (0.047 R)
• M15: 14,076,860 km (0.092 R)
• M16: 17,150,498 km (0.101 R)
• M17: 19,776,839 km (0.05 R)
• M18: 21,089,709 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.8

Radius: 11.9

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.24 AU - 5.8 AU

Year: 7262 Days

Day: 14.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,940,502 km

• M1: 147,952 km (0.045 R)
• M2: 596,297 km (0.037 R)
• M3: 1,047,335 km (0.113 R)
• M4: 1,815,669 km (0.082 R)
• M5: 2,360,654 km (0.065 R)
• M6: 2,889,782 km (0.066 R)
• M7: 3,956,415 km (0.035 R)
• M8: 4,456,072 km (0.077 R)
• M9: 5,518,815 km (0.093 R)
• M10: 6,008,748 km (0.101 R)
• M11: 7,304,266 km (0.082 R)
• M12: 7,695,314 km (0.114 R)
• M13: 9,770,985 km (0.085 R)
• M14: 10,343,496 km (0.088 R)
• M15: 11,608,047 km (0.111 R)
• M16: 12,414,828 km (0.118 R)
• M17: 13,548,182 km (0.114 R)
• M18: 14,935,403 km (0.097 R)
• M19: 15,567,304 km (0.119 R)
• M20: 17,156,632 km (0.033 R)
• M21: 18,706,316 km (0.078 R)
• M22: 19,292,291 km (0.11 R)
• M23: 24,778,943 km (0.066 R)
• M24: 29,914,787 km (0.079 R)
• M25: 33,208,035 km (0.105 R)
• M26: 35,831,233 km (0.08 R)
• M27: 39,659,592 km (0.071 R)
• M28: 41,116,825 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.8

Radius: 10.5

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.49 AU - 7.43 AU

Year: 9395 Days

Day: 14.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,940,502 km

• M1: 130,749 km (0.107 R)
• M2: 544,536 km (0.088 R)
• M3: 1,090,868 km (0.048 R)
• M4: 1,423,873 km (0.109 R)
• M5: 2,130,274 km (0.093 R)
• M6: 3,442,097 km (0.057 R)
• M7: 3,912,134 km (0.051 R)
• M8: 4,682,862 km (0.101 R)
• M9: 5,293,072 km (0.109 R)
• M10: 6,129,623 km (0.059 R)
• M11: 6,672,514 km (0.105 R)
• M12: 7,648,341 km (0.044 R)
• M13: 8,407,999 km (0.113 R)
• M14: 10,886,387 km (0.095 R)
• M15: 11,253,649 km (0.101 R)
• M16: 15,859,020 km (0.093 R)
• M17: 16,399,816 km (0.077 R)
• M18: 18,242,563 km (0.069 R)
• M19: 20,535,898 km (0.11 R)
• M20: 22,251,337 km (0.081 R)
• M21: 23,101,053 km (0.086 R)
• M22: 24,505,178 km (0.11 R)
• M23: 26,622,287 km (0.109 R)
• M24: 27,579,714 km (0.07 R)
• M25: 33,260,244 km (0.109 R)
• M26: 37,492,069 km (0.055 R)
• M27: 39,428,314 km (0.053 R)
• M28: 42,975,878 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 631.1

Radius: 5.4

Gravity: 21.64 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 9.44 AU - 10.26 AU

Year: 19960 Days

Day: 17.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 73,940,502 km

• M1: 67,169 km (0.095 R)
• M2: 358,586 km (0.106 R)
• M3: 771,027 km (0.096 R)
• M4: 1,457,532 km (0.12 R)
• M5: 2,081,804 km (0.059 R)
• M6: 3,778,842 km (0.119 R)
• M7: 4,482,999 km (0.107 R)
• M8: 5,618,896 km (0.101 R)
• M9: 7,446,832 km (0.095 R)
• M10: 8,811,614 km (0.096 R)
• M11: 10,334,969 km (0.102 R)
• M12: 14,111,118 km (0.068 R)
• M13: 18,982,324 km (0.084 R)
• M14: 21,791,772 km (0.082 R)
• M15: 22,186,262 km (0.117 R)
• M16: 25,297,299 km (0.115 R)
• M17: 28,452,318 km (0.065 R)
• M18: 28,805,070 km (0.062 R)
• M19: 30,123,925 km (0.104 R)
• M20: 35,123,934 km (0.097 R)
• M21: 37,607,409 km (0.081 R)
• M22: 41,097,377 km (0.102 R)
• M23: 42,920,676 km (0.111 R)
• M24: 44,323,007 km (0.074 R)
• M25: 45,115,127 km (0.105 R)
• M26: 46,078,089 km (0.042 R)
• M27: 48,211,504 km (0.09 R)
• M28: 53,205,979 km (0.049 R)
• M29: 55,919,684 km (0.073 R)
• M30: 57,217,146 km (0.113 R)
• M31: 60,064,592 km (0.102 R)
• M32: 73,940,543 km (0.081 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 16,296 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit