🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.6

Radius: 14.7

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.96 AU - 1.4 AU

Year: 855 Days

Day: 7.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,998,401 km

• M1: 182,809 km (0.049 R)
• M2: 709,244 km (0.119 R)
• M3: 1,353,711 km (0.078 R)
• M4: 1,892,263 km (0.12 R)
• M5: 2,789,252 km (0.088 R)
• M6: 3,469,923 km (0.062 R)
• M7: 4,379,627 km (0.093 R)
• M8: 4,965,602 km (0.112 R)
• M9: 5,621,589 km (0.102 R)
• M10: 6,122,442 km (0.108 R)
• M11: 7,003,125 km (0.087 R)
• M12: 7,496,200 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.9

Radius: 8.4

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.12 AU - 1.74 AU

Year: 1140 Days

Day: 13 Hours

Environment

Temp: -195 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,998,401 km

• M1: 104,419 km (0.064 R)
• M2: 868,116 km (0.112 R)
• M3: 1,564,495 km (0.086 R)
• M4: 2,009,399 km (0.025 R)
• M5: 2,386,086 km (0.118 R)
• M6: 3,255,848 km (0.116 R)
• M7: 3,677,714 km (0.04 R)
• M8: 5,040,999 km (0.081 R)
• M9: 5,568,930 km (0.09 R)
• M10: 7,675,418 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.1

Radius: 10

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.47 AU - 1.63 AU

Year: 1287 Days

Day: 14.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,998,401 km

• M1: 124,465 km (0.117 R)
• M2: 481,855 km (0.117 R)
• M3: 940,073 km (0.099 R)
• M4: 1,253,929 km (0.082 R)
• M5: 1,639,443 km (0.097 R)
• M6: 2,074,324 km (0.101 R)
• M7: 2,461,035 km (0.057 R)
• M8: 2,858,815 km (0.047 R)
• M9: 4,060,834 km (0.081 R)
• M10: 4,688,248 km (0.119 R)
• M11: 5,153,946 km (0.095 R)
• M12: 5,610,818 km (0.088 R)
• M13: 7,961,000 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.3

Radius: 12.4

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.63 AU - 2.19 AU

Year: 1760 Days

Day: 12.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,998,401 km

• M1: 156,330 km (0.103 R)
• M2: 591,360 km (0.074 R)
• M3: 1,198,877 km (0.092 R)
• M4: 1,652,308 km (0.081 R)
• M5: 2,133,116 km (0.078 R)
• M6: 2,697,998 km (0.066 R)
• M7: 3,470,820 km (0.07 R)
• M8: 3,862,019 km (0.076 R)
• M9: 4,720,561 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911

Radius: 12.1

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.96 AU - 2.94 AU

Year: 2557 Days

Day: 10.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,998,401 km

• M1: 156,330 km (0.111 R)
• M2: 593,754 km (0.113 R)
• M3: 1,046,886 km (0.083 R)
• M4: 2,298,122 km (0.103 R)
• M5: 3,893,434 km (0.093 R)
• M6: 5,756,376 km (0.085 R)
• M7: 6,664,436 km (0.08 R)
• M8: 7,539,284 km (0.028 R)
• M9: 8,020,989 km (0.062 R)
• M10: 13,330,217 km (0.105 R)
• M11: 15,066,002 km (0.073 R)
• M12: 17,111,603 km (0.113 R)
• M13: 19,276,882 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.1

Radius: 8.3

Gravity: 11.34 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.11 AU - 3.79 AU

Year: 4273 Days

Day: 13.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,998,401 km

• M1: 103,223 km (0.119 R)
• M2: 765,492 km (0.1 R)
• M3: 1,706,014 km (0.054 R)
• M4: 2,068,490 km (0.1 R)
• M5: 2,682,739 km (0.068 R)
• M6: 4,389,501 km (0.105 R)
• M7: 5,101,138 km (0.078 R)
• M8: 5,373,107 km (0.117 R)
• M9: 5,770,439 km (0.049 R)
• M10: 6,655,609 km (0.089 R)
• M11: 7,248,914 km (0.041 R)
• M12: 9,729,546 km (0.05 R)
• M13: 13,127,363 km (0.111 R)
• M14: 14,542,259 km (0.087 R)
• M15: 18,487,604 km (0.089 R)
• M16: 23,539,823 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389

Radius: 14.1

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.22 AU - 4.68 AU

Year: 5235 Days

Day: 7.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,998,401 km

• M1: 176,675 km (0.036 R)
• M2: 806,333 km (0.079 R)
• M3: 1,536,669 km (0.062 R)
• M4: 2,225,568 km (0.106 R)
• M5: 2,902,498 km (0.071 R)
• M6: 3,376,274 km (0.058 R)
• M7: 4,459,064 km (0.047 R)
• M8: 5,930,808 km (0.052 R)
• M9: 7,110,985 km (0.049 R)
• M10: 12,003,284 km (0.117 R)
• M11: 12,562,780 km (0.059 R)
• M12: 14,554,526 km (0.025 R)
• M13: 15,735,901 km (0.044 R)
• M14: 19,472,706 km (0.114 R)
• M15: 20,973,173 km (0.105 R)
• M16: 25,553,411 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.4

Radius: 8.8

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.78 AU - 5.28 AU

Year: 6429 Days

Day: 9.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,998,401 km

• M1: 109,506 km (0.086 R)
• M2: 395,238 km (0.075 R)
• M3: 826,827 km (0.079 R)
• M4: 1,593,666 km (0.063 R)
• M5: 2,169,618 km (0.026 R)
• M6: 2,620,805 km (0.087 R)
• M7: 3,305,664 km (0.101 R)
• M8: 4,747,040 km (0.05 R)
• M9: 6,111,522 km (0.114 R)
• M10: 9,002,501 km (0.069 R)
• M11: 9,714,736 km (0.079 R)
• M12: 10,001,515 km (0.115 R)
• M13: 10,896,410 km (0.074 R)
• M14: 12,030,212 km (0.115 R)
• M15: 12,943,208 km (0.081 R)
• M16: 14,213,742 km (0.077 R)
• M17: 15,733,507 km (0.116 R)
• M18: 16,765,733 km (0.096 R)
• M19: 19,284,961 km (0.039 R)
• M20: 20,533,654 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.4

Radius: 3.4

Gravity: 40.35 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 5.09 AU - 7.17 AU

Year: 10121 Days

Day: 20.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 47,998,401 km

• M1: 42,336 km (0.093 R)
• M2: 366,964 km (0.111 R)
• M3: 482,304 km (0.079 R)
• M4: 644,168 km (0.111 R)
• M5: 780,153 km (0.094 R)
• M6: 2,465,672 km (0.082 R)
• M7: 2,719,540 km (0.055 R)
• M8: 2,947,676 km (0.064 R)
• M9: 3,860,523 km (0.073 R)
• M10: 4,856,994 km (0.092 R)
• M11: 5,224,107 km (0.098 R)
• M12: 5,350,517 km (0.114 R)
• M13: 6,508,704 km (0.097 R)
• M14: 7,948,135 km (0.112 R)
• M15: 8,115,385 km (0.088 R)
• M16: 9,728,649 km (0.073 R)
• M17: 10,163,081 km (0.099 R)
• M18: 10,762,071 km (0.053 R)
• M19: 10,967,020 km (0.095 R)
• M20: 12,757,258 km (0.085 R)
• M21: 15,049,396 km (0.098 R)
• M22: 16,835,146 km (0.083 R)
• M23: 17,601,536 km (0.111 R)
• M24: 18,463,818 km (0.1 R)
• M25: 21,703,210 km (0.092 R)
• M26: 23,542,217 km (0.119 R)
• M27: 24,676,318 km (0.097 R)
• M28: 25,663,964 km (0.112 R)
• M29: 31,414,356 km (0.109 R)
• M30: 33,542,984 km (0.11 R)
• M31: 42,126,910 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 658.5

Radius: 4.7

Gravity: 29.81 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 6.16 AU - 6.18 AU

Year: 10220 Days

Day: 19 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 47,998,401 km

• M1: 58,493 km (0.097 R)
• M2: 230,082 km (0.095 R)
• M3: 392,545 km (0.109 R)
• M4: 657,034 km (0.05 R)
• M5: 1,002,007 km (0.073 R)
• M6: 1,156,541 km (0.116 R)
• M7: 1,339,948 km (0.115 R)
• M8: 2,332,680 km (0.082 R)
• M9: 2,526,409 km (0.069 R)
• M10: 3,126,595 km (0.118 R)
• M11: 3,435,515 km (0.09 R)
• M12: 4,369,006 km (0.04 R)
• M13: 5,561,600 km (0.056 R)
• M14: 7,482,138 km (0.076 R)
• M15: 8,165,650 km (0.104 R)
• M16: 9,904,277 km (0.102 R)
• M17: 10,780,172 km (0.031 R)
• M18: 11,818,830 km (0.094 R)
• M19: 12,333,447 km (0.081 R)
• M20: 14,284,203 km (0.105 R)
• M21: 17,216,621 km (0.044 R)
• M22: 17,435,033 km (0.108 R)
• M23: 19,484,823 km (0.088 R)
• M24: 22,115,652 km (0.072 R)
• M25: 22,546,942 km (0.074 R)
• M26: 24,603,763 km (0.119 R)
• M27: 25,819,844 km (0.112 R)
• M28: 26,490,941 km (0.054 R)
• M29: 28,983,091 km (0.098 R)
• M30: 33,513,962 km (0.109 R)
• M31: 35,357,307 km (0.106 R)
• M32: 37,632,691 km (0.081 R)
• M33: 41,160,957 km (0.116 R)
• M34: 43,005,049 km (0.095 R)
• M35: 43,676,744 km (0.066 R)
• M36: 44,903,446 km (0.118 R)
• M37: 46,574,604 km (0.099 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 20,347 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit