🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831

Radius: 11.7

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.55 AU - 0.87 AU

Year: 392 Days

Day: 14 Hours

Environment

Temp: -136 °C

Axial Tilt: 134.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,688,134 km

• M1: 145,559 km (0.088 R)
• M2: 539,450 km (0.09 R)
• M3: 988,244 km (0.085 R)
• M4: 1,537,866 km (0.057 R)
• M5: 1,916,498 km (0.077 R)
• M6: 2,794,937 km (0.068 R)
• M7: 3,632,087 km (0.094 R)
• M8: 4,109,902 km (0.063 R)
• M9: 4,499,156 km (0.076 R)
• M10: 5,499,068 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.3

Radius: 12.4

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.61 AU - 1.01 AU

Year: 478 Days

Day: 7.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,688,134 km

• M1: 154,235 km (0.045 R)
• M2: 796,908 km (0.097 R)
• M3: 1,200,074 km (0.063 R)
• M4: 2,001,320 km (0.046 R)
• M5: 2,468,215 km (0.034 R)
• M6: 2,976,848 km (0.035 R)
• M7: 3,684,147 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.1

Radius: 8.6

Gravity: 12.63 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.84 AU - 1.04 AU

Year: 598 Days

Day: 10.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,688,134 km

• M1: 106,962 km (0.109 R)
• M2: 513,121 km (0.113 R)
• M3: 785,538 km (0.059 R)
• M4: 1,441,375 km (0.04 R)
• M5: 2,102,897 km (0.094 R)
• M6: 2,822,613 km (0.091 R)
• M7: 3,356,976 km (0.103 R)
• M8: 3,825,816 km (0.108 R)
• M9: 5,722,867 km (0.06 R)
• M10: 6,031,936 km (0.065 R)
• M11: 8,031,162 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.2

Radius: 10.2

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.86 AU - 1.14 AU

Year: 656 Days

Day: 12.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,688,134 km

• M1: 127,308 km (0.12 R)
• M2: 590,014 km (0.079 R)
• M3: 926,460 km (0.09 R)
• M4: 1,313,469 km (0.075 R)
• M5: 1,815,520 km (0.108 R)
• M6: 2,904,891 km (0.117 R)
• M7: 3,674,572 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.7

Radius: 12.8

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.99 AU - 5.25 AU

Year: 6514 Days

Day: 13.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,688,134 km

• M1: 159,172 km (0.047 R)
• M2: 600,336 km (0.057 R)
• M3: 1,053,319 km (0.12 R)
• M4: 1,957,339 km (0.068 R)
• M5: 2,774,293 km (0.06 R)
• M6: 4,152,837 km (0.115 R)
• M7: 4,601,182 km (0.03 R)
• M8: 5,319,401 km (0.054 R)
• M9: 6,278,623 km (0.08 R)
• M10: 7,163,344 km (0.058 R)
• M11: 8,373,890 km (0.116 R)
• M12: 10,038,616 km (0.074 R)
• M13: 11,348,794 km (0.064 R)
• M14: 14,071,774 km (0.102 R)
• M15: 15,584,957 km (0.104 R)
• M16: 16,219,700 km (0.117 R)
• M17: 18,719,331 km (0.074 R)
• M18: 21,079,686 km (0.054 R)
• M19: 22,172,349 km (0.111 R)
• M20: 23,138,602 km (0.104 R)
• M21: 24,385,799 km (0.117 R)
• M22: 25,589,763 km (0.108 R)
• M23: 27,561,164 km (0.053 R)
• M24: 31,301,709 km (0.109 R)
• M25: 33,033,304 km (0.069 R)
• M26: 33,659,371 km (0.096 R)
• M27: 34,187,302 km (0.083 R)
• M28: 36,909,684 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 836

Radius: 3.6

Gravity: 64.51 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.59 AU - 8.77 AU

Year: 13962 Days

Day: 24 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 43,688,134 km

• M1: 45,029 km (0.112 R)
• M2: 158,125 km (0.076 R)
• M3: 671,395 km (0.07 R)
• M4: 939,774 km (0.12 R)
• M5: 1,317,359 km (0.117 R)
• M6: 1,433,447 km (0.08 R)
• M7: 1,877,004 km (0.119 R)
• M8: 2,929,874 km (0.109 R)
• M9: 3,078,126 km (0.06 R)
• M10: 3,867,105 km (0.111 R)
• M11: 4,261,146 km (0.092 R)
• M12: 4,748,536 km (0.071 R)
• M13: 8,231,174 km (0.114 R)
• M14: 8,932,489 km (0.106 R)
• M15: 9,244,999 km (0.047 R)
• M16: 11,154,466 km (0.08 R)
• M17: 13,582,290 km (0.115 R)
• M18: 13,787,837 km (0.102 R)
• M19: 16,186,639 km (0.116 R)
• M20: 17,768,038 km (0.096 R)
• M21: 19,363,051 km (0.115 R)
• M22: 20,507,774 km (0.11 R)
• M23: 20,868,903 km (0.088 R)
• M24: 21,510,977 km (0.107 R)
• M25: 23,418,051 km (0.084 R)
• M26: 24,311,898 km (0.107 R)
• M27: 24,716,261 km (0.075 R)
• M28: 27,564,455 km (0.117 R)
• M29: 29,465,545 km (0.102 R)
• M30: 33,277,897 km (0.075 R)
• M31: 33,402,063 km (0.114 R)
• M32: 36,343,606 km (0.088 R)
• M33: 37,005,277 km (0.098 R)
• M34: 40,011,746 km (0.106 R)
• M35: 41,287,068 km (0.097 R)
• M36: 42,589,467 km (0.088 R)
• M37: 47,914,403 km (0.096 R)
• M38: 48,549,745 km (0.062 R)
• M39: 49,190,772 km (0.113 R)
• M40: 54,351,300 km (0.101 R)
• M41: 55,564,539 km (0.083 R)
• M42: 62,089,848 km (0.076 R)
• M43: 62,655,627 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.1

Radius: 7.1

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 7.31 AU - 8.37 AU

Year: 14401 Days

Day: 17.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,688,134 km

• M1: 88,412 km (0.115 R)
• M2: 330,013 km (0.103 R)
• M3: 578,345 km (0.063 R)
• M4: 1,118,992 km (0.094 R)
• M5: 1,490,294 km (0.116 R)
• M6: 2,920,749 km (0.105 R)
• M7: 4,087,911 km (0.11 R)
• M8: 4,332,205 km (0.076 R)
• M9: 4,672,989 km (0.12 R)
• M10: 5,124,176 km (0.043 R)
• M11: 5,571,025 km (0.084 R)
• M12: 6,397,403 km (0.103 R)
• M13: 8,333,798 km (0.04 R)
• M14: 8,595,146 km (0.085 R)
• M15: 9,887,671 km (0.106 R)
• M16: 11,199,345 km (0.098 R)
• M17: 14,851,628 km (0.085 R)
• M18: 16,703,201 km (0.082 R)
• M19: 21,503,198 km (0.103 R)
• M20: 25,289,370 km (0.072 R)
• M21: 27,243,867 km (0.067 R)
• M22: 27,917,057 km (0.089 R)
• M23: 29,296,798 km (0.053 R)
• M24: 29,901,772 km (0.079 R)
• M25: 31,872,574 km (0.049 R)
• M26: 34,149,753 km (0.056 R)
• M27: 37,116,728 km (0.085 R)
• M28: 37,469,779 km (0.118 R)
• M29: 39,268,543 km (0.072 R)
• M30: 40,998,643 km (0.117 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 13,459 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit