🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.4

Radius: 10.3

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.8 AU - 0.9 AU

Year: 541 Days

Day: 13.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,882,090 km

• M1: 128,056 km (0.072 R)
• M2: 650,452 km (0.106 R)
• M3: 1,138,141 km (0.063 R)
• M4: 1,516,922 km (0.118 R)
• M5: 2,298,122 km (0.101 R)
• M6: 2,758,136 km (0.078 R)
• M7: 3,303,420 km (0.108 R)
• M8: 3,768,670 km (0.088 R)
• M9: 4,145,955 km (0.086 R)
• M10: 4,625,865 km (0.058 R)
• M11: 5,176,086 km (0.106 R)
• M12: 5,860,347 km (0.074 R)
• M13: 6,603,848 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.7

Radius: 13.4

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.12 AU - 1.12 AU

Year: 818 Days

Day: 11.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,882,090 km

• M1: 166,802 km (0.092 R)
• M2: 583,581 km (0.115 R)
• M3: 1,018,462 km (0.089 R)
• M4: 1,552,826 km (0.094 R)
• M5: 2,059,514 km (0.078 R)
• M6: 2,484,222 km (0.115 R)
• M7: 3,047,159 km (0.1 R)
• M8: 3,853,641 km (0.101 R)
• M9: 4,720,262 km (0.096 R)
• M10: 5,367,572 km (0.108 R)
• M11: 5,909,415 km (0.077 R)
• M12: 6,468,313 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.5

Radius: 14.9

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.15 AU - 2.79 AU

Year: 2680 Days

Day: 10.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 67.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,882,090 km

• M1: 185,352 km (0.107 R)
• M2: 735,722 km (0.065 R)
• M3: 1,671,307 km (0.106 R)
• M4: 2,332,829 km (0.102 R)
• M5: 3,043,569 km (0.096 R)
• M6: 3,591,246 km (0.089 R)
• M7: 4,964,854 km (0.083 R)
• M8: 5,936,791 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.6

Radius: 14.8

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.42 AU - 3.4 AU

Year: 3426 Days

Day: 8 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,882,090 km

• M1: 184,005 km (0.057 R)
• M2: 697,126 km (0.074 R)
• M3: 1,262,756 km (0.114 R)
• M4: 2,005,808 km (0.09 R)
• M5: 4,611,803 km (0.1 R)
• M6: 5,126,869 km (0.079 R)
• M7: 6,540,868 km (0.075 R)
• M8: 7,066,106 km (0.045 R)
• M9: 8,666,953 km (0.076 R)
• M10: 9,650,559 km (0.078 R)
• M11: 10,876,812 km (0.094 R)
• M12: 11,795,343 km (0.103 R)
• M13: 12,576,244 km (0.11 R)
• M14: 14,654,159 km (0.066 R)
• M15: 15,127,785 km (0.047 R)
• M16: 15,720,343 km (0.037 R)
• M17: 16,610,001 km (0.119 R)
• M18: 17,125,067 km (0.113 R)
• M19: 18,247,649 km (0.105 R)
• M20: 19,355,721 km (0.092 R)
• M21: 19,926,436 km (0.072 R)
• M22: 22,530,337 km (0.078 R)
• M23: 23,162,089 km (0.086 R)
• M24: 23,950,170 km (0.106 R)
• M25: 24,904,754 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.8

Radius: 10.8

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.54 AU - 5.28 AU

Year: 6392 Days

Day: 10.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,882,090 km

• M1: 134,339 km (0.107 R)
• M2: 600,336 km (0.097 R)
• M3: 1,584,541 km (0.116 R)
• M4: 2,040,365 km (0.078 R)
• M5: 2,425,879 km (0.054 R)
• M6: 2,937,504 km (0.117 R)
• M7: 4,616,590 km (0.108 R)
• M8: 5,346,777 km (0.116 R)
• M9: 6,755,690 km (0.076 R)
• M10: 8,318,090 km (0.081 R)
• M11: 9,485,552 km (0.102 R)
• M12: 11,094,477 km (0.109 R)
• M13: 13,093,703 km (0.115 R)
• M14: 16,558,091 km (0.055 R)
• M15: 23,110,029 km (0.068 R)
• M16: 24,899,518 km (0.108 R)
• M17: 26,517,868 km (0.101 R)
• M18: 29,121,469 km (0.068 R)
• M19: 33,288,967 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.5

Radius: 14.2

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.6 AU - 5.84 AU

Year: 8232 Days

Day: 14.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,882,090 km

• M1: 177,872 km (0.049 R)
• M2: 650,601 km (0.045 R)
• M3: 1,728,155 km (0.073 R)
• M4: 2,437,398 km (0.119 R)
• M5: 3,073,488 km (0.074 R)
• M6: 3,861,570 km (0.11 R)
• M7: 6,957,797 km (0.108 R)
• M8: 8,391,992 km (0.08 R)
• M9: 9,373,803 km (0.044 R)
• M10: 10,304,900 km (0.101 R)
• M11: 14,551,385 km (0.099 R)
• M12: 15,085,748 km (0.091 R)
• M13: 15,633,127 km (0.049 R)
• M14: 18,696,592 km (0.049 R)
• M15: 20,971,228 km (0.108 R)
• M16: 21,516,063 km (0.088 R)
• M17: 24,159,757 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486

Radius: 6.3

Gravity: 12.24 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.86 AU - 6.9 AU

Year: 9842 Days

Day: 21.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,882,090 km

• M1: 78,389 km (0.066 R)
• M2: 492,177 km (0.091 R)
• M3: 829,071 km (0.094 R)
• M4: 2,217,040 km (0.112 R)
• M5: 4,689,594 km (0.095 R)
• M6: 5,199,274 km (0.109 R)
• M7: 7,532,851 km (0.064 R)
• M8: 9,152,547 km (0.033 R)
• M9: 10,736,490 km (0.104 R)
• M10: 11,198,298 km (0.089 R)
• M11: 13,178,974 km (0.052 R)
• M12: 14,191,004 km (0.037 R)
• M13: 14,872,721 km (0.087 R)
• M14: 18,906,478 km (0.073 R)
• M15: 23,187,670 km (0.118 R)
• M16: 26,653,254 km (0.086 R)
• M17: 26,933,301 km (0.116 R)
• M18: 29,146,004 km (0.094 R)
• M19: 31,477,187 km (0.099 R)
• M20: 32,528,411 km (0.05 R)
• M21: 33,929,695 km (0.068 R)
• M22: 34,148,706 km (0.103 R)
• M23: 41,418,863 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448

Radius: 7.8

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 10.22 AU - 10.6 AU

Year: 23184 Days

Day: 22.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 72,882,090 km

• M1: 96,939 km (0.105 R)
• M2: 406,457 km (0.084 R)
• M3: 882,627 km (0.112 R)
• M4: 1,128,566 km (0.092 R)
• M5: 1,872,217 km (0.038 R)
• M6: 2,572,635 km (0.028 R)
• M7: 4,059,488 km (0.114 R)
• M8: 4,414,484 km (0.099 R)
• M9: 5,566,836 km (0.073 R)
• M10: 6,088,185 km (0.074 R)
• M11: 7,996,455 km (0.097 R)
• M12: 9,981,020 km (0.117 R)
• M13: 10,331,229 km (0.062 R)
• M14: 12,206,588 km (0.111 R)
• M15: 12,879,180 km (0.104 R)
• M16: 18,645,579 km (0.107 R)
• M17: 19,901,603 km (0.083 R)
• M18: 21,117,684 km (0.115 R)
• M19: 22,882,191 km (0.085 R)
• M20: 23,491,503 km (0.111 R)
• M21: 29,591,207 km (0.066 R)
• M22: 31,421,387 km (0.116 R)
• M23: 38,921,476 km (0.071 R)
• M24: 51,408,261 km (0.114 R)
• M25: 51,928,862 km (0.069 R)
• M26: 54,225,638 km (0.095 R)
• M27: 61,520,928 km (0.09 R)
• M28: 65,707,574 km (0.092 R)
• M29: 69,232,847 km (0.089 R)
• M30: 70,506,524 km (0.028 R)
• M31: 71,579,739 km (0.082 R)
• M32: 72,882,138 km (0.186 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 12,295 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit