🌌 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: 881.6

Radius: 9.1

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.57 AU - 0.59 AU

Year: 300 Days

Day: 12.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,463,341 km

• M1: 113,246 km (0.03 R)
• M2: 444,605 km (0.1 R)
• M3: 784,641 km (0.092 R)
• M4: 1,234,631 km (0.086 R)
• M5: 1,728,155 km (0.109 R)
• M6: 2,121,597 km (0.1 R)
• M7: 4,183,504 km (0.074 R)
• M8: 4,558,546 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.3

Radius: 14.8

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.5 AU - 0.78 AU

Year: 347 Days

Day: 6 Hours

Environment

Temp: -151 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,463,341 km

• M1: 184,903 km (0.077 R)
• M2: 666,758 km (0.106 R)
• M3: 1,137,542 km (0.115 R)
• M4: 1,830,180 km (0.092 R)
• M5: 3,456,309 km (0.077 R)
• M6: 4,033,159 km (0.115 R)
• M7: 4,501,101 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.6

Radius: 10.4

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.28 AU - 1.52 AU

Year: 1124 Days

Day: 13.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,463,341 km

• M1: 130,300 km (0.108 R)
• M2: 650,601 km (0.045 R)
• M3: 986,448 km (0.073 R)
• M4: 1,656,497 km (0.12 R)
• M5: 2,071,631 km (0.069 R)
• M6: 2,415,856 km (0.115 R)
• M7: 2,787,607 km (0.115 R)
• M8: 3,114,927 km (0.049 R)
• M9: 3,726,932 km (0.099 R)
• M10: 4,083,274 km (0.056 R)
• M11: 6,052,580 km (0.103 R)
• M12: 6,411,316 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.4

Radius: 9.5

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.69 AU - 1.79 AU

Year: 1557 Days

Day: 5.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,463,341 km

• M1: 118,182 km (0.112 R)
• M2: 484,099 km (0.083 R)
• M3: 952,938 km (0.118 R)
• M4: 1,409,960 km (0.085 R)
• M5: 1,795,324 km (0.117 R)
• M6: 2,190,861 km (0.115 R)
• M7: 2,544,361 km (0.112 R)
• M8: 2,851,934 km (0.109 R)
• M9: 3,515,700 km (0.041 R)
• M10: 4,185,748 km (0.061 R)
• M11: 5,607,227 km (0.059 R)
• M12: 5,914,501 km (0.104 R)
• M13: 6,500,476 km (0.1 R)
• M14: 6,970,513 km (0.116 R)
• M15: 7,624,405 km (0.059 R)
• M16: 7,954,568 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261

Radius: 8.3

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.34 AU - 5.1 AU

Year: 5880 Days

Day: 11.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,463,341 km

• M1: 103,821 km (0.118 R)
• M2: 430,692 km (0.117 R)
• M3: 983,905 km (0.047 R)
• M4: 1,383,930 km (0.032 R)
• M5: 1,839,007 km (0.107 R)
• M6: 2,143,887 km (0.066 R)
• M7: 3,863,963 km (0.112 R)
• M8: 4,165,852 km (0.067 R)
• M9: 8,256,007 km (0.096 R)
• M10: 10,721,979 km (0.111 R)
• M11: 12,122,514 km (0.033 R)
• M12: 12,961,758 km (0.113 R)
• M13: 14,140,440 km (0.049 R)
• M14: 15,017,532 km (0.09 R)
• M15: 16,709,633 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.1

Radius: 5.4

Gravity: 18.28 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5.48 AU - 5.82 AU

Year: 9109 Days

Day: 20 Hours

Environment

Temp: -232 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,463,341 km

• M1: 67,917 km (0.064 R)
• M2: 242,947 km (0.053 R)
• M3: 583,731 km (0.092 R)
• M4: 994,676 km (0.11 R)
• M5: 1,172,847 km (0.11 R)
• M6: 1,347,727 km (0.118 R)
• M7: 2,597,019 km (0.12 R)
• M8: 4,225,990 km (0.119 R)
• M9: 4,815,256 km (0.113 R)
• M10: 5,023,347 km (0.076 R)
• M11: 5,457,779 km (0.11 R)
• M12: 6,155,653 km (0.08 R)
• M13: 6,689,418 km (0.083 R)
• M14: 7,062,067 km (0.111 R)
• M15: 7,370,089 km (0.074 R)
• M16: 8,305,674 km (0.095 R)
• M17: 8,868,162 km (0.087 R)
• M18: 9,091,212 km (0.102 R)
• M19: 9,972,942 km (0.07 R)
• M20: 12,231,122 km (0.101 R)
• M21: 12,731,676 km (0.11 R)
• M22: 14,934,056 km (0.054 R)
• M23: 16,490,921 km (0.112 R)
• M24: 20,306,116 km (0.072 R)
• M25: 21,007,580 km (0.089 R)
• M26: 22,706,862 km (0.12 R)
• M27: 28,835,289 km (0.098 R)
• M28: 32,803,971 km (0.066 R)
• M29: 33,016,699 km (0.117 R)
• M30: 34,752,483 km (0.037 R)
• M31: 36,548,106 km (0.039 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96.9

Radius: 3.8

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.74 AU - 7.44 AU

Year: 12804 Days

Day: 17.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,463,341 km

• M1: 49,966 km (0.091 R)
• M2: 409,749 km (0.069 R)
• M3: 594,502 km (0.12 R)
• M4: 742,305 km (0.117 R)
• M5: 983,905 km (0.118 R)
• M6: 1,162,525 km (0.068 R)
• M7: 2,241,275 km (0.086 R)
• M8: 3,258,541 km (0.105 R)
• M9: 3,591,845 km (0.108 R)
• M10: 3,744,734 km (0.113 R)
• M11: 6,178,542 km (0.066 R)
• M12: 6,754,045 km (0.05 R)
• M13: 6,919,949 km (0.107 R)
• M14: 7,611,390 km (0.08 R)
• M15: 7,900,413 km (0.07 R)
• M16: 9,374,251 km (0.064 R)
• M17: 9,664,322 km (0.043 R)
• M18: 10,930,518 km (0.1 R)
• M19: 11,067,550 km (0.072 R)
• M20: 12,651,043 km (0.118 R)
• M21: 13,262,450 km (0.077 R)
• M22: 13,893,304 km (0.078 R)
• M23: 15,557,580 km (0.109 R)
• M24: 18,360,296 km (0.095 R)
• M25: 18,749,101 km (0.042 R)
• M26: 23,242,722 km (0.119 R)
• M27: 28,404,148 km (0.067 R)
• M28: 28,836,785 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.1

Radius: 6.5

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.64 AU - 8.9 AU

Year: 14690 Days

Day: 16.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,463,341 km

• M1: 81,232 km (0.118 R)
• M2: 395,986 km (0.101 R)
• M3: 813,214 km (0.08 R)
• M4: 1,021,454 km (0.08 R)
• M5: 1,467,705 km (0.108 R)
• M6: 1,781,262 km (0.101 R)
• M7: 2,371,725 km (0.088 R)
• M8: 2,847,147 km (0.051 R)
• M9: 3,290,106 km (0.095 R)
• M10: 3,602,018 km (0.107 R)
• M11: 4,229,730 km (0.069 R)
• M12: 5,177,134 km (0.057 R)
• M13: 6,222,673 km (0.111 R)
• M14: 7,854,636 km (0.11 R)
• M15: 8,368,954 km (0.088 R)
• M16: 9,322,640 km (0.092 R)
• M17: 9,607,923 km (0.044 R)
• M18: 10,246,108 km (0.06 R)
• M19: 14,554,377 km (0.116 R)
• M20: 15,660,653 km (0.1 R)
• M21: 16,405,650 km (0.091 R)
• M22: 18,334,117 km (0.117 R)
• M23: 20,013,353 km (0.062 R)
• M24: 21,626,616 km (0.054 R)
• M25: 21,875,846 km (0.088 R)
• M26: 23,499,133 km (0.082 R)
• M27: 24,295,442 km (0.105 R)
• M28: 26,129,063 km (0.117 R)
• M29: 32,180,746 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364.9

Radius: 6

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 8.99 AU - 11.27 AU

Year: 21868 Days

Day: 23.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 65,463,341 km

• M1: 74,799 km (0.04 R)
• M2: 395,836 km (0.077 R)
• M3: 1,333,216 km (0.062 R)
• M4: 2,079,710 km (0.101 R)
• M5: 2,532,991 km (0.071 R)
• M6: 3,467,978 km (0.092 R)
• M7: 3,835,241 km (0.119 R)
• M8: 4,196,968 km (0.062 R)
• M9: 5,914,801 km (0.045 R)
• M10: 7,126,843 km (0.106 R)
• M11: 8,954,181 km (0.117 R)
• M12: 9,428,855 km (0.117 R)
• M13: 10,143,932 km (0.073 R)
• M14: 11,496,447 km (0.07 R)
• M15: 11,743,433 km (0.105 R)
• M16: 12,248,026 km (0.089 R)
• M17: 12,832,805 km (0.063 R)
• M18: 13,504,050 km (0.108 R)
• M19: 18,873,567 km (0.107 R)
• M20: 21,369,158 km (0.092 R)
• M21: 23,280,720 km (0.086 R)
• M22: 23,576,924 km (0.068 R)
• M23: 27,003,762 km (0.081 R)
• M24: 29,119,974 km (0.102 R)
• M25: 31,947,972 km (0.072 R)
• M26: 35,212,347 km (0.089 R)
• M27: 35,602,797 km (0.063 R)
• M28: 36,127,886 km (0.113 R)
• M29: 37,869,953 km (0.065 R)
• M30: 40,515,591 km (0.088 R)
• M31: 50,660,721 km (0.099 R)
• M32: 64,099,696 km (0.094 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 14,705 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit