🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.1

Radius: 14.3

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.71 AU - 0.77 AU

Year: 411 Days

Day: 5.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,502,594 km

• M1: 178,171 km (0.106 R)
• M2: 665,860 km (0.073 R)
• M3: 1,164,619 km (0.11 R)
• M4: 1,624,782 km (0.064 R)
• M5: 2,144,785 km (0.105 R)
• M6: 2,757,538 km (0.118 R)
• M7: 3,211,717 km (0.098 R)
• M8: 3,704,642 km (0.098 R)
• M9: 4,902,023 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.9

Radius: 11

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.74 AU - 0.8 AU

Year: 436 Days

Day: 6.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,502,594 km

• M1: 137,032 km (0.116 R)
• M2: 490,531 km (0.093 R)
• M3: 844,779 km (0.117 R)
• M4: 1,205,759 km (0.086 R)
• M5: 1,686,118 km (0.06 R)
• M6: 2,300,666 km (0.101 R)
• M7: 2,689,770 km (0.093 R)
• M8: 3,890,891 km (0.097 R)
• M9: 4,300,041 km (0.112 R)
• M10: 4,780,550 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.6

Radius: 13.1

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.82 AU - 1.08 AU

Year: 598 Days

Day: 14.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 54,502,594 km

• M1: 210,634 km (0.056 R)
• M2: 647,609 km (0.094 R)
• M3: 1,273,377 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.6

Radius: 9.9

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.01 AU - 2.59 AU

Year: 2252 Days

Day: 8.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,502,594 km

• M1: 123,119 km (0.116 R)
• M2: 618,438 km (0.093 R)
• M3: 1,227,151 km (0.12 R)
• M4: 2,649,827 km (0.081 R)
• M5: 4,635,290 km (0.076 R)
• M6: 6,339,808 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.4

Radius: 10.2

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.22 AU - 6.6 AU

Year: 9277 Days

Day: 6.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,502,594 km

• M1: 127,457 km (0.101 R)
• M2: 477,367 km (0.076 R)
• M3: 851,212 km (0.098 R)
• M4: 1,649,616 km (0.105 R)
• M5: 2,225,717 km (0.105 R)
• M6: 3,253,155 km (0.08 R)
• M7: 3,649,739 km (0.091 R)
• M8: 4,134,287 km (0.077 R)
• M9: 4,878,387 km (0.071 R)
• M10: 6,251,545 km (0.108 R)
• M11: 7,272,551 km (0.034 R)
• M12: 7,953,969 km (0.099 R)
• M13: 9,542,998 km (0.026 R)
• M14: 10,307,592 km (0.086 R)
• M15: 11,112,279 km (0.074 R)
• M16: 11,671,775 km (0.084 R)
• M17: 14,955,898 km (0.086 R)
• M18: 15,986,926 km (0.1 R)
• M19: 18,266,947 km (0.116 R)
• M20: 19,524,766 km (0.076 R)
• M21: 22,653,306 km (0.059 R)
• M22: 26,101,388 km (0.082 R)
• M23: 26,990,149 km (0.11 R)
• M24: 27,391,669 km (0.104 R)
• M25: 31,517,130 km (0.111 R)
• M26: 39,027,093 km (0.088 R)
• M27: 49,572,546 km (0.086 R)
• M28: 50,629,903 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 993

Radius: 4.3

Gravity: 53.7 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 5.97 AU - 8.15 AU

Year: 12112 Days

Day: 17.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 54,502,594 km

• M1: 53,556 km (0.103 R)
• M2: 245,191 km (0.111 R)
• M3: 469,289 km (0.087 R)
• M4: 665,561 km (0.071 R)
• M5: 981,512 km (0.081 R)
• M6: 1,449,304 km (0.11 R)
• M7: 1,650,663 km (0.092 R)
• M8: 2,206,868 km (0.1 R)
• M9: 2,348,238 km (0.068 R)
• M10: 2,808,850 km (0.115 R)
• M11: 3,023,672 km (0.098 R)
• M12: 4,329,213 km (0.113 R)
• M13: 5,122,829 km (0.11 R)
• M14: 8,613,546 km (0.052 R)
• M15: 8,763,144 km (0.073 R)
• M16: 11,640,061 km (0.115 R)
• M17: 13,157,731 km (0.078 R)
• M18: 13,422,968 km (0.028 R)
• M19: 13,759,414 km (0.045 R)
• M20: 13,895,548 km (0.104 R)
• M21: 15,600,365 km (0.117 R)
• M22: 18,659,642 km (0.114 R)
• M23: 19,589,841 km (0.109 R)
• M24: 20,461,847 km (0.069 R)
• M25: 21,725,800 km (0.115 R)
• M26: 24,707,884 km (0.1 R)
• M27: 25,828,372 km (0.048 R)
• M28: 28,389,786 km (0.115 R)
• M29: 28,943,897 km (0.082 R)
• M30: 31,823,207 km (0.106 R)
• M31: 33,886,610 km (0.103 R)
• M32: 38,143,418 km (0.075 R)
• M33: 38,412,245 km (0.106 R)
• M34: 43,178,583 km (0.049 R)
• M35: 46,311,013 km (0.039 R)
• M36: 47,854,564 km (0.037 R)
• M37: 50,718,615 km (0.107 R)
• M38: 59,992,785 km (0.083 R)
• M39: 60,904,584 km (0.043 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525

Radius: 7.4

Gravity: 9.59 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.28 AU - 9.16 AU

Year: 13850 Days

Day: 22.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,502,594 km

• M1: 92,302 km (0.112 R)
• M2: 495,468 km (0.087 R)
• M3: 921,972 km (0.109 R)
• M4: 1,446,761 km (0.105 R)
• M5: 2,737,791 km (0.092 R)
• M6: 4,037,497 km (0.082 R)
• M7: 5,457,480 km (0.045 R)
• M8: 5,705,064 km (0.097 R)
• M9: 7,786,868 km (0.12 R)
• M10: 8,101,173 km (0.083 R)
• M11: 12,260,892 km (0.081 R)
• M12: 26,012,078 km (0.068 R)
• M13: 28,264,872 km (0.115 R)
• M14: 29,115,336 km (0.119 R)
• M15: 29,546,776 km (0.098 R)
• M16: 34,219,466 km (0.115 R)
• M17: 35,921,590 km (0.029 R)
• M18: 38,579,196 km (0.103 R)
• M19: 40,022,367 km (0.116 R)
• M20: 43,155,395 km (0.054 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 12,379 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit