🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.6

Radius: 8.5

Gravity: 13.43 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.5 AU - 0.52 AU

Year: 243 Days

Day: 14.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,404,573 km

• M1: 105,766 km (0.037 R)
• M2: 371,302 km (0.113 R)
• M3: 643,720 km (0.113 R)
• M4: 1,111,512 km (0.075 R)
• M5: 2,095,268 km (0.095 R)
• M6: 2,691,266 km (0.101 R)
• M7: 3,080,071 km (0.108 R)
• M8: 3,417,563 km (0.12 R)
• M9: 3,686,989 km (0.078 R)
• M10: 4,019,096 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.1

Radius: 14.6

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.51 AU - 0.59 AU

Year: 272 Days

Day: 6.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,404,573 km

• M1: 183,257 km (0.062 R)
• M2: 708,944 km (0.117 R)
• M3: 1,219,671 km (0.08 R)
• M4: 1,998,179 km (0.053 R)
• M5: 2,639,654 km (0.096 R)
• M6: 3,175,963 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.1

Radius: 8.1

Gravity: 13.66 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.59 AU - 0.61 AU

Year: 310 Days

Day: 10 Hours

Environment

Temp: -148 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,404,573 km

• M1: 100,829 km (0.057 R)
• M2: 468,541 km (0.102 R)
• M3: 1,069,924 km (0.087 R)
• M4: 1,962,425 km (0.096 R)
• M5: 2,292,139 km (0.055 R)
• M6: 2,866,445 km (0.094 R)
• M7: 3,160,704 km (0.054 R)
• M8: 3,676,068 km (0.095 R)
• M9: 3,985,886 km (0.085 R)
• M10: 4,918,180 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.3

Radius: 12.9

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.58 AU - 1.6 AU

Year: 1337 Days

Day: 5.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,404,573 km

• M1: 160,668 km (0.035 R)
• M2: 739,163 km (0.098 R)
• M3: 1,175,839 km (0.109 R)
• M4: 1,587,233 km (0.091 R)
• M5: 2,588,043 km (0.07 R)
• M6: 4,024,033 km (0.106 R)
• M7: 4,561,538 km (0.116 R)
• M8: 5,106,224 km (0.091 R)
• M9: 6,050,037 km (0.041 R)
• M10: 8,771,073 km (0.063 R)
• M11: 9,554,367 km (0.062 R)
• M12: 10,252,989 km (0.086 R)
• M13: 11,019,678 km (0.103 R)
• M14: 11,469,669 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.9

Radius: 12.6

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.22 AU - 1.96 AU

Year: 1337 Days

Day: 6.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,404,573 km

• M1: 157,826 km (0.118 R)
• M2: 667,954 km (0.04 R)
• M3: 1,092,064 km (0.12 R)
• M4: 1,648,419 km (0.115 R)
• M5: 2,350,482 km (0.046 R)
• M6: 3,097,125 km (0.068 R)
• M7: 3,854,090 km (0.093 R)
• M8: 4,570,813 km (0.089 R)
• M9: 6,590,534 km (0.076 R)
• M10: 7,112,481 km (0.066 R)
• M11: 7,505,176 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.2

Radius: 13.1

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.12 AU - 4.42 AU

Year: 5884 Days

Day: 10.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,404,573 km

• M1: 162,912 km (0.099 R)
• M2: 577,747 km (0.1 R)
• M3: 1,025,493 km (0.118 R)
• M4: 1,587,682 km (0.056 R)
• M5: 2,386,236 km (0.116 R)
• M6: 3,185,387 km (0.104 R)
• M7: 4,280,893 km (0.113 R)
• M8: 4,860,734 km (0.069 R)
• M9: 5,828,931 km (0.028 R)
• M10: 6,886,738 km (0.114 R)
• M11: 7,913,877 km (0.078 R)
• M12: 11,314,835 km (0.068 R)
• M13: 11,913,077 km (0.029 R)
• M14: 12,532,262 km (0.117 R)
• M15: 16,836,941 km (0.079 R)
• M16: 20,467,083 km (0.103 R)
• M17: 23,291,192 km (0.065 R)
• M18: 26,192,792 km (0.09 R)
• M19: 28,316,783 km (0.112 R)
• M20: 33,005,479 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.2

Radius: 4.1

Gravity: 19.05 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.03 AU - 7.73 AU

Year: 12034 Days

Day: 24.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,404,573 km

• M1: 51,013 km (0.109 R)
• M2: 187,297 km (0.111 R)
• M3: 348,563 km (0.064 R)
• M4: 498,610 km (0.103 R)
• M5: 1,065,586 km (0.102 R)
• M6: 1,674,150 km (0.102 R)
• M7: 2,028,697 km (0.069 R)
• M8: 2,431,265 km (0.12 R)
• M9: 3,323,765 km (0.064 R)
• M10: 6,064,548 km (0.03 R)
• M11: 7,276,141 km (0.111 R)
• M12: 7,592,541 km (0.101 R)
• M13: 8,380,772 km (0.119 R)
• M14: 8,995,320 km (0.064 R)
• M15: 9,313,664 km (0.095 R)
• M16: 9,686,612 km (0.101 R)
• M17: 11,809,705 km (0.118 R)
• M18: 17,293,215 km (0.114 R)
• M19: 18,576,914 km (0.088 R)
• M20: 20,153,227 km (0.11 R)
• M21: 23,655,014 km (0.039 R)
• M22: 24,000,136 km (0.081 R)
• M23: 24,173,819 km (0.09 R)
• M24: 26,324,887 km (0.072 R)
• M25: 28,991,619 km (0.097 R)
• M26: 29,885,615 km (0.082 R)
• M27: 31,832,931 km (0.099 R)
• M28: 39,494,287 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.7

Radius: 7.1

Gravity: 17.29 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.66 AU - 9.42 AU

Year: 13807 Days

Day: 20.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,404,573 km

• M1: 96,341 km (0.056 R)
• M2: 463,454 km (0.065 R)
• M3: 782,546 km (0.101 R)
• M4: 1,011,132 km (0.107 R)
• M5: 1,440,478 km (0.107 R)
• M6: 4,921,770 km (0.063 R)
• M7: 5,273,624 km (0.073 R)
• M8: 5,642,084 km (0.108 R)
• M9: 6,554,930 km (0.112 R)
• M10: 8,873,248 km (0.096 R)
• M11: 12,702,206 km (0.049 R)
• M12: 17,832,814 km (0.111 R)
• M13: 19,518,932 km (0.077 R)
• M14: 19,780,728 km (0.099 R)
• M15: 20,400,811 km (0.066 R)
• M16: 22,913,756 km (0.117 R)
• M17: 26,469,099 km (0.034 R)
• M18: 28,099,267 km (0.114 R)
• M19: 30,258,862 km (0.082 R)
• M20: 32,894,926 km (0.09 R)
• M21: 33,265,779 km (0.119 R)
• M22: 34,142,124 km (0.103 R)
• M23: 36,334,331 km (0.039 R)
• M24: 37,130,042 km (0.084 R)
• M25: 39,169,809 km (0.073 R)
• M26: 41,283,178 km (0.094 R)
• M27: 42,440,766 km (0.119 R)
• M28: 44,518,382 km (0.08 R)
• M29: 49,520,186 km (0.095 R)
• M30: 53,849,998 km (0.119 R)
• M31: 55,755,575 km (0.029 R)
• M32: 57,169,275 km (0.113 R)
• M33: 59,151,896 km (0.103 R)
• M34: 60,993,595 km (0.088 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: 210 - 17,601 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit