🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.59 AU - 0.71 AU

Year: 338 Days

Day: 14.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 96,344,535 km

• M1: 38,895 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633

Radius: 14.9

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.86 AU - 1.04 AU

Year: 598 Days

Day: 10.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 96,344,535 km

• M1: 185,352 km (0.066 R)
• M2: 730,486 km (0.096 R)
• M3: 1,412,952 km (0.026 R)
• M4: 1,923,978 km (0.098 R)
• M5: 2,590,736 km (0.074 R)
• M6: 3,396,919 km (0.064 R)
• M7: 3,907,945 km (0.056 R)
• M8: 4,425,404 km (0.057 R)
• M9: 4,907,558 km (0.091 R)
• M10: 5,529,287 km (0.113 R)
• M11: 7,014,046 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43

Radius: 9.8

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.05 AU - 1.05 AU

Year: 695 Days

Day: 8.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 96,344,535 km

• M1: 122,072 km (0.088 R)
• M2: 447,597 km (0.108 R)
• M3: 758,012 km (0.063 R)
• M4: 1,126,173 km (0.05 R)
• M5: 1,487,003 km (0.117 R)
• M6: 1,931,608 km (0.086 R)
• M7: 2,533,739 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.7

Radius: 12.8

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.76 AU - 1.98 AU

Year: 1651 Days

Day: 8.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 96,344,535 km

• M1: 159,322 km (0.056 R)
• M2: 579,692 km (0.076 R)
• M3: 1,564,495 km (0.086 R)
• M4: 2,812,290 km (0.104 R)
• M5: 4,659,974 km (0.103 R)
• M6: 6,099,404 km (0.083 R)
• M7: 7,902,208 km (0.115 R)
• M8: 12,728,086 km (0.117 R)
• M9: 13,327,076 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.1

Radius: 10.8

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.08 AU - 2.38 AU

Year: 2150 Days

Day: 5.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 96,344,535 km

• M1: 134,937 km (0.072 R)
• M2: 657,632 km (0.041 R)
• M3: 1,502,860 km (0.096 R)
• M4: 2,138,053 km (0.107 R)
• M5: 3,027,861 km (0.107 R)
• M6: 3,389,589 km (0.078 R)
• M7: 4,161,663 km (0.044 R)

Asteroid Belt

Center: 2.55 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130

Radius: 9.2

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.49 AU - 3.25 AU

Year: 3139 Days

Day: 8.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 96,344,535 km

• M1: 115,490 km (0.1 R)
• M2: 412,441 km (0.093 R)
• M3: 774,019 km (0.047 R)
• M4: 1,816,717 km (0.053 R)
• M5: 2,743,775 km (0.084 R)
• M6: 3,419,807 km (0.069 R)
• M7: 4,439,317 km (0.094 R)
• M8: 5,584,189 km (0.037 R)
• M9: 6,098,058 km (0.033 R)
• M10: 6,890,179 km (0.045 R)
• M11: 10,520,620 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.4

Radius: 8

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.71 AU - 6.81 AU

Year: 8926 Days

Day: 5.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 96,344,535 km

• M1: 103,223 km (0.096 R)
• M2: 418,575 km (0.043 R)
• M3: 747,840 km (0.105 R)
• M4: 1,331,571 km (0.074 R)
• M5: 1,600,398 km (0.12 R)
• M6: 2,174,704 km (0.096 R)
• M7: 2,634,867 km (0.11 R)
• M8: 2,897,561 km (0.065 R)
• M9: 3,415,020 km (0.107 R)
• M10: 3,881,018 km (0.034 R)
• M11: 4,608,811 km (0.116 R)
• M12: 4,862,080 km (0.087 R)
• M13: 7,970,575 km (0.036 R)
• M14: 9,956,037 km (0.12 R)
• M15: 10,862,002 km (0.035 R)
• M16: 14,711,155 km (0.086 R)
• M17: 15,543,219 km (0.066 R)
• M18: 18,671,609 km (0.115 R)
• M19: 18,928,319 km (0.103 R)
• M20: 20,518,694 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.7

Radius: 3.1

Gravity: 86.86 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 10.5 AU - 10.8 AU

Year: 22441 Days

Day: 17.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 96,344,535 km

• M1: 38,746 km (0.074 R)
• M2: 148,999 km (0.111 R)
• M3: 365,168 km (0.085 R)
• M4: 484,847 km (0.11 R)
• M5: 1,510,191 km (0.083 R)
• M6: 2,200,136 km (0.07 R)
• M7: 2,336,569 km (0.045 R)
• M8: 2,912,820 km (0.026 R)
• M9: 3,336,332 km (0.092 R)
• M10: 4,966,649 km (0.099 R)
• M11: 5,162,174 km (0.089 R)
• M12: 5,610,369 km (0.12 R)
• M13: 5,822,499 km (0.109 R)
• M14: 5,952,350 km (0.086 R)
• M15: 8,085,167 km (0.11 R)
• M16: 8,520,945 km (0.091 R)
• M17: 9,087,622 km (0.102 R)
• M18: 10,872,025 km (0.084 R)
• M19: 12,443,551 km (0.061 R)
• M20: 13,320,494 km (0.072 R)
• M21: 16,801,486 km (0.099 R)
• M22: 17,241,753 km (0.083 R)
• M23: 19,271,048 km (0.059 R)
• M24: 23,140,846 km (0.091 R)
• M25: 25,834,206 km (0.084 R)
• M26: 31,832,931 km (0.12 R)
• M27: 33,189,634 km (0.05 R)
• M28: 37,044,023 km (0.117 R)
• M29: 39,309,084 km (0.078 R)
• M30: 42,632,700 km (0.089 R)
• M31: 44,112,672 km (0.057 R)
• M32: 46,654,789 km (0.075 R)
• M33: 51,289,480 km (0.102 R)
• M34: 51,658,090 km (0.045 R)
• M35: 55,056,355 km (0.077 R)
• M36: 58,801,837 km (0.077 R)
• M37: 62,713,671 km (0.083 R)
• M38: 63,558,750 km (0.099 R)
• M39: 73,127,478 km (0.117 R)
• M40: 83,103,263 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.6

Radius: 3.8

Gravity: 64.72 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 10.81 AU - 11.71 AU

Year: 24396 Days

Day: 22.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 96,344,535 km

• M1: 53,406 km (0.077 R)
• M2: 189,989 km (0.107 R)
• M3: 412,890 km (0.087 R)
• M4: 608,863 km (0.076 R)
• M5: 761,304 km (0.061 R)
• M6: 951,891 km (0.114 R)
• M7: 1,428,959 km (0.038 R)
• M8: 2,253,094 km (0.039 R)
• M9: 2,647,284 km (0.033 R)
• M10: 2,860,910 km (0.084 R)
• M11: 3,202,741 km (0.116 R)
• M12: 3,539,486 km (0.113 R)
• M13: 4,355,542 km (0.107 R)
• M14: 5,628,769 km (0.082 R)
• M15: 7,650,286 km (0.073 R)
• M16: 9,298,704 km (0.064 R)
• M17: 10,367,581 km (0.045 R)
• M18: 14,793,285 km (0.11 R)
• M19: 17,323,583 km (0.08 R)
• M20: 17,974,932 km (0.097 R)
• M21: 18,354,312 km (0.115 R)
• M22: 20,537,095 km (0.094 R)
• M23: 21,266,235 km (0.063 R)
• M24: 21,477,766 km (0.107 R)
• M25: 23,108,832 km (0.103 R)
• M26: 25,647,657 km (0.109 R)
• M27: 25,767,336 km (0.087 R)
• M28: 26,128,465 km (0.105 R)
• M29: 30,192,889 km (0.119 R)
• M30: 33,646,655 km (0.117 R)
• M31: 34,805,141 km (0.084 R)
• M32: 34,951,897 km (0.096 R)
• M33: 46,274,661 km (0.09 R)
• M34: 49,722,143 km (0.071 R)
• M35: 52,177,194 km (0.078 R)
• M36: 52,369,278 km (0.059 R)
• M37: 56,919,447 km (0.055 R)
• M38: 58,561,882 km (0.119 R)
• M39: 65,224,672 km (0.061 R)
• M40: 66,796,048 km (0.064 R)
• M41: 72,136,692 km (0.103 R)
• M42: 74,544,769 km (0.089 R)
• M43: 77,754,840 km (0.081 R)
• M44: 79,520,843 km (0.112 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 11,851 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit