🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.1

Radius: 10.4

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.47 AU - 0.63 AU

Year: 277 Days

Day: 13.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,996,174 km

• M1: 129,402 km (0.026 R)
• M2: 475,721 km (0.072 R)
• M3: 841,937 km (0.038 R)
• M4: 1,283,999 km (0.091 R)
• M5: 1,701,526 km (0.066 R)
• M6: 2,152,564 km (0.114 R)
• M7: 2,514,890 km (0.097 R)
• M8: 2,874,972 km (0.087 R)
• M9: 3,204,536 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.1

Radius: 10

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.77 AU - 0.83 AU

Year: 485 Days

Day: 10 Hours

Environment

Temp: -171 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,996,174 km

• M1: 124,615 km (0.116 R)
• M2: 493,972 km (0.109 R)
• M3: 1,173,446 km (0.098 R)
• M4: 1,658,741 km (0.039 R)
• M5: 2,053,829 km (0.09 R)
• M6: 2,367,386 km (0.089 R)
• M7: 3,092,786 km (0.059 R)
• M8: 3,446,286 km (0.111 R)
• M9: 3,973,319 km (0.081 R)
• M10: 4,538,500 km (0.105 R)
• M11: 5,270,183 km (0.038 R)
• M12: 5,864,685 km (0.028 R)
• M13: 6,205,768 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.6

Radius: 14.9

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.97 AU - 1.05 AU

Year: 688 Days

Day: 6.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,996,174 km

• M1: 185,352 km (0.088 R)
• M2: 674,836 km (0.115 R)
• M3: 1,197,381 km (0.083 R)
• M4: 1,780,215 km (0.119 R)
• M5: 2,308,146 km (0.108 R)
• M6: 2,941,244 km (0.11 R)
• M7: 3,500,889 km (0.12 R)
• M8: 3,970,627 km (0.101 R)
• M9: 4,545,830 km (0.1 R)
• M10: 5,531,531 km (0.118 R)
• M11: 6,532,789 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.2

Radius: 8.6

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.81 AU - 2.09 AU

Year: 1847 Days

Day: 11.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 76.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,996,174 km

• M1: 107,112 km (0.113 R)
• M2: 414,386 km (0.055 R)
• M3: 710,141 km (0.09 R)
• M4: 1,024,596 km (0.046 R)
• M5: 1,381,536 km (0.09 R)
• M6: 1,810,733 km (0.12 R)
• M7: 2,489,309 km (0.106 R)
• M8: 2,838,021 km (0.107 R)
• M9: 3,390,785 km (0.103 R)
• M10: 4,121,122 km (0.099 R)
• M11: 4,572,459 km (0.057 R)
• M12: 6,342,501 km (0.117 R)
• M13: 6,689,418 km (0.05 R)
• M14: 7,259,985 km (0.032 R)
• M15: 7,918,963 km (0.09 R)
• M16: 9,838,753 km (0.107 R)
• M17: 10,136,303 km (0.065 R)
• M18: 10,439,837 km (0.116 R)
• M19: 10,749,505 km (0.069 R)
• M20: 12,467,337 km (0.115 R)
• M21: 13,371,357 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.5

Radius: 13.2

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.71 AU - 3.41 AU

Year: 3631 Days

Day: 12.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,996,174 km

• M1: 164,109 km (0.053 R)
• M2: 720,314 km (0.058 R)
• M3: 1,306,289 km (0.085 R)
• M4: 1,823,448 km (0.049 R)
• M5: 2,262,668 km (0.099 R)
• M6: 2,966,227 km (0.094 R)
• M7: 3,499,842 km (0.087 R)
• M8: 4,565,129 km (0.088 R)
• M9: 4,990,735 km (0.086 R)
• M10: 5,497,871 km (0.09 R)
• M11: 8,059,136 km (0.108 R)
• M12: 9,540,754 km (0.072 R)
• M13: 10,755,040 km (0.08 R)
• M14: 11,650,832 km (0.093 R)
• M15: 12,354,839 km (0.094 R)
• M16: 14,371,568 km (0.118 R)
• M17: 15,965,085 km (0.106 R)
• M18: 19,960,245 km (0.109 R)
• M19: 20,764,484 km (0.092 R)
• M20: 21,243,496 km (0.107 R)
• M21: 23,899,457 km (0.073 R)
• M22: 27,337,365 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211

Radius: 13.6

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.22 AU - 4.1 AU

Year: 4749 Days

Day: 7.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,996,174 km

• M1: 173,833 km (0.052 R)
• M2: 768,185 km (0.082 R)
• M3: 1,215,931 km (0.049 R)
• M4: 1,722,320 km (0.04 R)
• M5: 2,467,467 km (0.029 R)
• M6: 3,349,048 km (0.092 R)
• M7: 4,020,293 km (0.039 R)
• M8: 4,802,540 km (0.104 R)
• M9: 5,266,294 km (0.081 R)
• M10: 6,284,756 km (0.111 R)
• M11: 6,869,833 km (0.083 R)
• M12: 7,862,864 km (0.116 R)
• M13: 9,053,065 km (0.116 R)
• M14: 9,511,283 km (0.09 R)
• M15: 10,705,822 km (0.027 R)
• M16: 11,665,492 km (0.107 R)
• M17: 13,256,466 km (0.091 R)
• M18: 14,034,225 km (0.088 R)
• M19: 16,137,571 km (0.11 R)
• M20: 18,895,707 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.6

Radius: 14.6

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.97 AU - 4.91 AU

Year: 6345 Days

Day: 7.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,996,174 km

• M1: 181,612 km (0.099 R)
• M2: 653,743 km (0.087 R)
• M3: 1,286,990 km (0.091 R)
• M4: 2,136,706 km (0.119 R)
• M5: 2,662,992 km (0.116 R)
• M6: 3,154,122 km (0.102 R)
• M7: 4,322,780 km (0.073 R)
• M8: 5,035,016 km (0.098 R)
• M9: 6,233,594 km (0.101 R)
• M10: 6,729,361 km (0.075 R)
• M11: 7,688,732 km (0.103 R)
• M12: 8,737,563 km (0.085 R)
• M13: 9,488,395 km (0.074 R)
• M14: 15,165,783 km (0.095 R)
• M15: 16,313,199 km (0.085 R)
• M16: 19,609,588 km (0.117 R)
• M17: 20,825,071 km (0.115 R)
• M18: 21,414,038 km (0.075 R)
• M19: 22,857,807 km (0.078 R)
• M20: 25,602,030 km (0.041 R)
• M21: 28,469,073 km (0.101 R)
• M22: 31,255,633 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200.4

Radius: 5.7

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 10.07 AU - 11.47 AU

Year: 23973 Days

Day: 24.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,996,174 km

• M1: 70,909 km (0.082 R)
• M2: 295,456 km (0.087 R)
• M3: 568,472 km (0.109 R)
• M4: 877,691 km (0.101 R)
• M5: 1,347,428 km (0.08 R)
• M6: 1,592,619 km (0.034 R)
• M7: 2,043,058 km (0.096 R)
• M8: 2,682,739 km (0.115 R)
• M9: 2,861,807 km (0.1 R)
• M10: 3,145,445 km (0.111 R)
• M11: 3,579,129 km (0.113 R)
• M12: 3,994,263 km (0.064 R)
• M13: 4,565,278 km (0.051 R)
• M14: 5,292,922 km (0.117 R)
• M15: 5,720,922 km (0.099 R)
• M16: 5,943,374 km (0.074 R)
• M17: 9,645,472 km (0.053 R)
• M18: 11,643,651 km (0.116 R)
• M19: 13,247,639 km (0.116 R)
• M20: 13,572,267 km (0.082 R)
• M21: 14,372,765 km (0.113 R)
• M22: 19,429,323 km (0.119 R)
• M23: 21,584,878 km (0.067 R)
• M24: 24,375,627 km (0.066 R)
• M25: 27,188,964 km (0.103 R)
• M26: 32,035,337 km (0.088 R)
• M27: 32,268,410 km (0.102 R)
• M28: 32,974,213 km (0.078 R)
• M29: 35,775,732 km (0.088 R)
• M30: 43,251,587 km (0.083 R)
• M31: 44,687,577 km (0.052 R)
• M32: 48,416,304 km (0.107 R)
• M33: 50,434,678 km (0.073 R)
• M34: 53,157,958 km (0.085 R)
• M35: 55,138,185 km (0.051 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: 384 - 12,018 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit