🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.51 AU - 0.57 AU

Year: 252 Days

Day: 37.1 Hours

Environment

Temp: -114 °C

Axial Tilt: 45.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,642,906 km

• M1: 27,975 km (0.028 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.57 AU - 0.63 AU

Year: 296 Days

Day: 43.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 44.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.46 AU - 0.76 AU

Year: 303 Days

Day: 28 Hours

Environment

Temp: -119 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,642,906 km

• M1: 43,832 km (0.083 R)

Asteroid Belt

Center: 0.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.6

Radius: 14.7

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1 AU - 1.24 AU

Year: 754 Days

Day: 12.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,642,906 km

• M1: 182,809 km (0.085 R)
• M2: 926,759 km (0.114 R)
• M3: 1,395,150 km (0.051 R)
• M4: 1,946,418 km (0.059 R)
• M5: 2,632,474 km (0.085 R)
• M6: 3,396,769 km (0.095 R)
• M7: 3,882,962 km (0.052 R)
• M8: 4,725,498 km (0.087 R)
• M9: 5,226,650 km (0.091 R)
• M10: 5,937,240 km (0.111 R)
• M11: 6,501,523 km (0.092 R)
• M12: 7,101,561 km (0.111 R)
• M13: 8,363,718 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.7

Radius: 8.7

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.87 AU - 1.99 AU

Year: 1705 Days

Day: 13 Hours

Environment

Temp: -184 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,642,906 km

• M1: 113,096 km (0.106 R)
• M2: 483,351 km (0.048 R)
• M3: 782,995 km (0.03 R)
• M4: 1,095,655 km (0.12 R)
• M5: 1,654,403 km (0.116 R)
• M6: 1,993,840 km (0.106 R)
• M7: 2,565,603 km (0.096 R)
• M8: 2,855,973 km (0.035 R)
• M9: 4,050,961 km (0.05 R)
• M10: 4,770,078 km (0.093 R)
• M11: 5,088,721 km (0.077 R)
• M12: 6,177,494 km (0.085 R)
• M13: 6,508,405 km (0.049 R)
• M14: 8,288,021 km (0.119 R)
• M15: 8,720,509 km (0.115 R)
• M16: 9,259,211 km (0.084 R)
• M17: 9,567,981 km (0.028 R)
• M18: 10,940,840 km (0.074 R)
• M19: 12,181,306 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.4

Radius: 12.8

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.3 AU - 2.78 AU

Year: 2574 Days

Day: 5.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,642,906 km

• M1: 159,172 km (0.09 R)
• M2: 559,646 km (0.099 R)
• M3: 1,313,469 km (0.085 R)
• M4: 2,101,401 km (0.067 R)
• M5: 2,703,533 km (0.103 R)
• M6: 3,649,440 km (0.045 R)
• M7: 4,751,378 km (0.102 R)
• M8: 5,170,701 km (0.117 R)
• M9: 6,941,491 km (0.026 R)
• M10: 9,281,201 km (0.097 R)
• M11: 9,765,300 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.3

Radius: 6.1

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.17 AU - 6.95 AU

Year: 10683 Days

Day: 20.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,642,906 km

• M1: 148,102 km (0.091 R)
• M2: 1,200,373 km (0.12 R)
• M3: 1,709,604 km (0.119 R)
• M4: 2,383,244 km (0.111 R)
• M5: 3,370,739 km (0.078 R)
• M6: 4,488,983 km (0.098 R)
• M7: 6,031,487 km (0.103 R)
• M8: 7,205,531 km (0.041 R)
• M9: 8,241,646 km (0.108 R)
• M10: 10,277,823 km (0.102 R)
• M11: 11,630,786 km (0.075 R)
• M12: 14,840,258 km (0.114 R)
• M13: 17,704,908 km (0.083 R)
• M14: 18,295,072 km (0.118 R)
• M15: 18,715,890 km (0.05 R)
• M16: 19,702,189 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.8

Radius: 5.2

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 8.22 AU - 8.58 AU

Year: 15479 Days

Day: 21.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,642,906 km

• M1: 66,721 km (0.096 R)
• M2: 258,356 km (0.12 R)
• M3: 466,446 km (0.059 R)
• M4: 1,333,067 km (0.084 R)
• M5: 1,667,268 km (0.093 R)
• M6: 2,312,783 km (0.113 R)
• M7: 5,207,502 km (0.119 R)
• M8: 5,533,775 km (0.098 R)
• M9: 5,779,564 km (0.058 R)
• M10: 6,194,399 km (0.112 R)
• M11: 6,941,491 km (0.069 R)
• M12: 8,211,427 km (0.111 R)
• M13: 8,572,108 km (0.113 R)
• M14: 12,151,985 km (0.1 R)
• M15: 12,832,057 km (0.118 R)
• M16: 13,482,059 km (0.067 R)
• M17: 14,906,231 km (0.084 R)
• M18: 15,202,734 km (0.089 R)
• M19: 15,807,409 km (0.078 R)
• M20: 20,862,919 km (0.042 R)
• M21: 23,234,045 km (0.076 R)
• M22: 28,322,318 km (0.081 R)
• M23: 31,999,583 km (0.091 R)
• M24: 32,196,304 km (0.108 R)
• M25: 33,192,028 km (0.098 R)
• M26: 33,799,245 km (0.087 R)
• M27: 34,208,096 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.1

Radius: 5.5

Gravity: 33.03 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 8.52 AU - 11.26 AU

Year: 19776 Days

Day: 20.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 85,642,906 km

• M1: 68,815 km (0.107 R)
• M2: 345,870 km (0.076 R)
• M3: 838,496 km (0.063 R)
• M4: 1,236,726 km (0.111 R)
• M5: 2,287,651 km (0.096 R)
• M6: 2,642,497 km (0.101 R)
• M7: 3,088,149 km (0.109 R)
• M8: 3,461,545 km (0.062 R)
• M9: 3,643,905 km (0.112 R)
• M10: 3,832,548 km (0.041 R)
• M11: 4,690,342 km (0.05 R)
• M12: 5,066,880 km (0.091 R)
• M13: 5,711,048 km (0.108 R)
• M14: 5,923,178 km (0.077 R)
• M15: 6,637,508 km (0.101 R)
• M16: 8,023,383 km (0.07 R)
• M17: 8,235,961 km (0.063 R)
• M18: 10,136,153 km (0.11 R)
• M19: 14,618,704 km (0.039 R)
• M20: 15,667,235 km (0.116 R)
• M21: 19,780,130 km (0.116 R)
• M22: 24,005,821 km (0.086 R)
• M23: 25,234,169 km (0.083 R)
• M24: 26,503,656 km (0.107 R)
• M25: 27,573,730 km (0.105 R)
• M26: 27,936,654 km (0.042 R)
• M27: 38,681,073 km (0.044 R)
• M28: 42,420,421 km (0.088 R)
• M29: 42,742,505 km (0.088 R)
• M30: 55,453,537 km (0.079 R)
• M31: 56,809,043 km (0.079 R)
• M32: 60,192,648 km (0.116 R)
• M33: 66,921,710 km (0.082 R)
• M34: 70,241,735 km (0.106 R)
• M35: 76,253,475 km (0.108 R)
• M36: 76,729,645 km (0.044 R)
• M37: 84,365,719 km (0.108 R)
• M38: 85,642,836 km (0.05 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 16,753 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit