🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.5

Radius: 11.4

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.66 AU - 0.7 AU

Year: 357 Days

Day: 13.3 Hours

Environment

Temp: -126 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 83,996,831 km

• M1: 142,417 km (0.065 R)
• M2: 663,467 km (0.053 R)
• M3: 1,100,741 km (0.059 R)
• M4: 2,704,580 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.6

Radius: 13.4

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.79 AU - 0.81 AU

Year: 455 Days

Day: 14 Hours

Environment

Temp: -154 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,996,831 km

• M1: 166,652 km (0.111 R)
• M2: 595,699 km (0.086 R)
• M3: 1,041,800 km (0.116 R)
• M4: 1,526,048 km (0.107 R)
• M5: 2,180,239 km (0.025 R)
• M6: 2,615,120 km (0.09 R)
• M7: 3,677,415 km (0.062 R)
• M8: 4,388,902 km (0.074 R)
• M9: 5,091,264 km (0.056 R)
• M10: 6,199,485 km (0.106 R)
• M11: 6,681,639 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.3

Radius: 11.2

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.79 AU - 1.15 AU

Year: 607 Days

Day: 7.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,996,831 km

• M1: 139,276 km (0.112 R)
• M2: 564,134 km (0.105 R)
• M3: 1,028,635 km (0.118 R)
• M4: 1,440,777 km (0.1 R)
• M5: 2,271,494 km (0.059 R)
• M6: 2,747,814 km (0.056 R)
• M7: 3,115,376 km (0.119 R)
• M8: 3,751,915 km (0.117 R)
• M9: 4,107,808 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.8

Radius: 13.5

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.76 AU - 2.8 AU

Year: 2189 Days

Day: 7.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 83,996,831 km

• M1: 169,943 km (0.099 R)
• M2: 733,927 km (0.107 R)
• M3: 1,199,326 km (0.073 R)
• M4: 3,164,593 km (0.111 R)
• M5: 4,599,985 km (0.043 R)
• M6: 6,554,481 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.9

Radius: 4.7

Gravity: 30.46 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.78 AU - 9.32 AU

Year: 13190 Days

Day: 20 Hours

Environment

Temp: -218 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 83,996,831 km

• M1: 58,493 km (0.036 R)
• M2: 397,930 km (0.112 R)
• M3: 544,536 km (0.042 R)
• M4: 931,696 km (0.068 R)
• M5: 1,440,328 km (0.11 R)
• M6: 1,747,602 km (0.119 R)
• M7: 2,534,188 km (0.099 R)
• M8: 3,695,067 km (0.114 R)
• M9: 8,437,769 km (0.097 R)
• M10: 9,023,295 km (0.058 R)
• M11: 9,687,809 km (0.107 R)
• M12: 10,716,743 km (0.084 R)
• M13: 11,638,116 km (0.088 R)
• M14: 13,375,396 km (0.078 R)
• M15: 15,420,848 km (0.118 R)
• M16: 16,517,699 km (0.104 R)
• M17: 18,299,111 km (0.049 R)
• M18: 20,033,997 km (0.076 R)
• M19: 25,589,015 km (0.087 R)
• M20: 27,122,393 km (0.101 R)
• M21: 27,752,649 km (0.11 R)
• M22: 30,035,213 km (0.059 R)
• M23: 30,258,862 km (0.052 R)
• M24: 32,322,565 km (0.074 R)
• M25: 33,628,853 km (0.082 R)
• M26: 39,473,493 km (0.101 R)
• M27: 41,933,330 km (0.082 R)
• M28: 44,204,076 km (0.113 R)
• M29: 45,516,648 km (0.102 R)
• M30: 47,761,663 km (0.103 R)
• M31: 55,272,524 km (0.115 R)
• M32: 57,308,999 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.4

Radius: 3

Gravity: 66.27 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 7.84 AU - 10.86 AU

Year: 18178 Days

Day: 17.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 83,996,831 km

• M1: 39,045 km (0.092 R)
• M2: 138,228 km (0.102 R)
• M3: 236,514 km (0.088 R)
• M4: 337,792 km (0.118 R)
• M5: 598,990 km (0.083 R)
• M6: 2,376,362 km (0.063 R)
• M7: 2,621,852 km (0.065 R)
• M8: 2,859,563 km (0.107 R)
• M9: 3,137,516 km (0.099 R)
• M10: 6,540,569 km (0.104 R)
• M11: 7,111,434 km (0.112 R)
• M12: 7,385,796 km (0.077 R)
• M13: 7,810,505 km (0.091 R)
• M14: 8,708,541 km (0.031 R)
• M15: 9,022,547 km (0.106 R)
• M16: 9,728,798 km (0.087 R)
• M17: 10,238,777 km (0.098 R)
• M18: 10,706,869 km (0.093 R)
• M19: 11,127,987 km (0.052 R)
• M20: 12,391,940 km (0.114 R)
• M21: 13,058,398 km (0.12 R)
• M22: 14,173,800 km (0.08 R)
• M23: 14,462,374 km (0.085 R)
• M24: 26,981,622 km (0.032 R)
• M25: 27,536,031 km (0.117 R)
• M26: 30,065,731 km (0.108 R)
• M27: 30,661,580 km (0.086 R)
• M28: 32,620,863 km (0.063 R)
• M29: 35,054,072 km (0.094 R)
• M30: 43,830,979 km (0.099 R)
• M31: 46,787,632 km (0.058 R)
• M32: 46,946,804 km (0.119 R)
• M33: 49,049,252 km (0.099 R)
• M34: 57,903,950 km (0.12 R)
• M35: 58,455,667 km (0.115 R)
• M36: 59,010,825 km (0.088 R)
• M37: 59,569,573 km (0.056 R)
• M38: 61,076,622 km (0.04 R)
• M39: 65,550,645 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968.8

Radius: 6.7

Gravity: 21.58 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 8.7 AU - 10.9 AU

Year: 19506 Days

Day: 20.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,996,831 km

• M1: 83,775 km (0.04 R)
• M2: 333,902 km (0.096 R)
• M3: 2,066,994 km (0.114 R)
• M4: 2,535,086 km (0.092 R)
• M5: 3,209,922 km (0.1 R)
• M6: 4,097,037 km (0.109 R)
• M7: 6,080,854 km (0.101 R)
• M8: 6,300,314 km (0.083 R)
• M9: 7,038,281 km (0.05 R)
• M10: 11,478,495 km (0.096 R)
• M11: 16,371,243 km (0.107 R)
• M12: 18,850,528 km (0.104 R)
• M13: 20,374,033 km (0.038 R)
• M14: 21,670,897 km (0.036 R)
• M15: 23,021,916 km (0.076 R)
• M16: 25,661,869 km (0.108 R)
• M17: 32,193,462 km (0.049 R)
• M18: 46,860,187 km (0.102 R)
• M19: 54,393,337 km (0.056 R)
• M20: 56,298,765 km (0.108 R)
• M21: 59,439,423 km (0.04 R)
• M22: 75,960,563 km (0.109 R)
• M23: 79,304,075 km (0.086 R)
• M24: 80,277,060 km (0.117 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 10,931 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit