🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.7

Radius: 11.3

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.5 AU - 0.76 AU

Year: 333 Days

Day: 8.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,489,193 km

• M1: 140,622 km (0.119 R)
• M2: 529,576 km (0.052 R)
• M3: 977,921 km (0.058 R)
• M4: 1,702,274 km (0.119 R)
• M5: 2,066,545 km (0.067 R)
• M6: 2,641,001 km (0.056 R)
• M7: 3,253,454 km (0.097 R)
• M8: 3,809,809 km (0.088 R)
• M9: 4,241,548 km (0.111 R)
• M10: 5,024,244 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.5

Radius: 8.8

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.63 AU - 1.01 AU

Year: 495 Days

Day: 6.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,489,193 km

• M1: 110,553 km (0.072 R)
• M2: 566,378 km (0.118 R)
• M3: 1,000,660 km (0.106 R)
• M4: 1,307,485 km (0.04 R)
• M5: 1,655,300 km (0.09 R)
• M6: 1,970,952 km (0.109 R)
• M7: 2,336,420 km (0.063 R)
• M8: 2,642,347 km (0.047 R)
• M9: 3,409,036 km (0.081 R)
• M10: 3,751,915 km (0.085 R)
• M11: 4,187,992 km (0.079 R)
• M12: 4,462,654 km (0.115 R)
• M13: 5,227,548 km (0.078 R)
• M14: 5,878,598 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75

Radius: 11.1

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.47 AU - 2.53 AU

Year: 2636 Days

Day: 10 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,489,193 km

• M1: 139,276 km (0.086 R)
• M2: 487,240 km (0.032 R)
• M3: 923,916 km (0.104 R)
• M4: 1,355,806 km (0.11 R)
• M5: 2,236,189 km (0.087 R)
• M6: 2,665,535 km (0.036 R)
• M7: 3,826,414 km (0.111 R)
• M8: 4,495,566 km (0.091 R)
• M9: 5,354,108 km (0.111 R)
• M10: 6,382,444 km (0.103 R)
• M11: 7,418,708 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.6

Radius: 8.3

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.41 AU - 2.77 AU

Year: 2780 Days

Day: 12.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,489,193 km

• M1: 103,223 km (0.118 R)
• M2: 410,197 km (0.098 R)
• M3: 1,456,634 km (0.06 R)
• M4: 1,838,857 km (0.05 R)
• M5: 2,109,330 km (0.099 R)
• M6: 2,629,781 km (0.065 R)
• M7: 2,897,561 km (0.094 R)
• M8: 3,471,269 km (0.073 R)
• M9: 4,358,235 km (0.045 R)
• M10: 5,341,691 km (0.086 R)
• M11: 7,532,402 km (0.096 R)
• M12: 8,358,332 km (0.072 R)
• M13: 11,907,243 km (0.086 R)
• M14: 14,258,771 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.9

Radius: 8.5

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.42 AU - 3.52 AU

Year: 3413 Days

Day: 9.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 174.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,489,193 km

• M1: 105,766 km (0.056 R)
• M2: 557,402 km (0.082 R)
• M3: 1,231,190 km (0.119 R)
• M4: 1,558,511 km (0.053 R)
• M5: 2,985,375 km (0.06 R)
• M6: 3,510,314 km (0.119 R)
• M7: 3,779,740 km (0.065 R)
• M8: 4,079,235 km (0.072 R)
• M9: 5,303,095 km (0.116 R)
• M10: 5,842,994 km (0.099 R)
• M11: 7,293,644 km (0.107 R)
• M12: 8,115,535 km (0.042 R)
• M13: 9,766,198 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.6

Radius: 13.8

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.13 AU - 3.13 AU

Year: 3693 Days

Day: 10.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,489,193 km

• M1: 172,786 km (0.083 R)
• M2: 611,556 km (0.1 R)
• M3: 1,214,436 km (0.063 R)
• M4: 1,806,843 km (0.094 R)
• M5: 2,822,164 km (0.115 R)
• M6: 3,293,098 km (0.117 R)
• M7: 4,372,746 km (0.104 R)
• M8: 6,774,390 km (0.094 R)
• M9: 8,080,230 km (0.09 R)
• M10: 10,116,107 km (0.048 R)
• M11: 11,544,916 km (0.089 R)
• M12: 13,253,025 km (0.081 R)
• M13: 13,960,922 km (0.107 R)
• M14: 15,342,458 km (0.111 R)
• M15: 16,930,141 km (0.071 R)
• M16: 18,500,320 km (0.109 R)
• M17: 20,430,432 km (0.108 R)
• M18: 25,527,680 km (0.119 R)
• M19: 26,703,818 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.1

Radius: 10.5

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.16 AU - 3.54 AU

Year: 4089 Days

Day: 11.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,489,193 km

• M1: 130,749 km (0.112 R)
• M2: 458,667 km (0.037 R)
• M3: 800,199 km (0.118 R)
• M4: 1,372,560 km (0.113 R)
• M5: 2,671,220 km (0.119 R)
• M6: 3,205,134 km (0.059 R)
• M7: 3,579,129 km (0.072 R)
• M8: 4,026,576 km (0.089 R)
• M9: 5,794,374 km (0.109 R)
• M10: 6,202,328 km (0.104 R)
• M11: 8,029,516 km (0.092 R)
• M12: 8,837,195 km (0.062 R)
• M13: 9,260,856 km (0.106 R)
• M14: 9,860,444 km (0.107 R)
• M15: 10,274,382 km (0.113 R)
• M16: 11,137,262 km (0.067 R)
• M17: 12,001,040 km (0.099 R)
• M18: 12,425,599 km (0.112 R)
• M19: 13,913,350 km (0.043 R)
• M20: 17,902,078 km (0.071 R)
• M21: 19,214,051 km (0.067 R)
• M22: 20,388,843 km (0.088 R)
• M23: 24,200,148 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.7

Radius: 12.8

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.69 AU - 4.99 AU

Year: 6029 Days

Day: 10 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,489,193 km

• M1: 178,171 km (0.073 R)
• M2: 784,491 km (0.075 R)
• M3: 1,463,067 km (0.033 R)
• M4: 2,245,614 km (0.101 R)
• M5: 2,854,327 km (0.077 R)
• M6: 3,483,386 km (0.083 R)
• M7: 4,203,401 km (0.109 R)
• M8: 4,964,705 km (0.119 R)
• M9: 5,364,280 km (0.082 R)
• M10: 6,228,358 km (0.101 R)
• M11: 7,621,413 km (0.073 R)
• M12: 8,233,268 km (0.025 R)
• M13: 12,989,583 km (0.076 R)
• M14: 13,641,830 km (0.1 R)
• M15: 15,130,179 km (0.119 R)
• M16: 20,752,366 km (0.099 R)
• M17: 29,445,648 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 554.2

Radius: 4.9

Gravity: 23.08 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 5.35 AU - 6.95 AU

Year: 10170 Days

Day: 24.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 71,489,193 km

• M1: 60,886 km (0.099 R)
• M2: 390,301 km (0.081 R)
• M3: 561,142 km (0.1 R)
• M4: 968,646 km (0.087 R)
• M5: 1,219,073 km (0.097 R)
• M6: 1,511,537 km (0.097 R)
• M7: 2,148,076 km (0.119 R)
• M8: 2,497,237 km (0.12 R)
• M9: 3,956,116 km (0.063 R)
• M10: 5,112,358 km (0.112 R)
• M11: 6,009,646 km (0.093 R)
• M12: 6,738,786 km (0.094 R)
• M13: 7,940,505 km (0.075 R)
• M14: 9,563,044 km (0.112 R)
• M15: 10,050,135 km (0.091 R)
• M16: 10,968,665 km (0.055 R)
• M17: 12,053,250 km (0.115 R)
• M18: 12,563,828 km (0.031 R)
• M19: 14,182,327 km (0.099 R)
• M20: 15,401,250 km (0.089 R)
• M21: 17,826,531 km (0.109 R)
• M22: 23,505,117 km (0.115 R)
• M23: 24,570,702 km (0.101 R)
• M24: 25,760,753 km (0.12 R)
• M25: 26,134,598 km (0.103 R)
• M26: 29,561,287 km (0.074 R)
• M27: 30,592,615 km (0.049 R)
• M28: 39,350,523 km (0.073 R)
• M29: 41,103,960 km (0.101 R)
• M30: 41,999,752 km (0.076 R)
• M31: 42,387,809 km (0.089 R)
• M32: 44,900,305 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 951

Radius: 4.4

Gravity: 49.12 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 8.06 AU - 8.2 AU

Year: 15458 Days

Day: 15.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,489,193 km

• M1: 54,753 km (0.09 R)
• M2: 234,420 km (0.111 R)
• M3: 643,570 km (0.106 R)
• M4: 912,547 km (0.116 R)
• M5: 1,225,356 km (0.106 R)
• M6: 1,708,408 km (0.094 R)
• M7: 1,869,973 km (0.106 R)
• M8: 2,740,334 km (0.118 R)
• M9: 3,882,364 km (0.041 R)
• M10: 4,764,991 km (0.082 R)
• M11: 5,813,822 km (0.1 R)
• M12: 6,607,738 km (0.104 R)
• M13: 7,053,240 km (0.065 R)
• M14: 9,037,656 km (0.111 R)
• M15: 9,642,480 km (0.119 R)
• M16: 10,569,688 km (0.113 R)
• M17: 10,932,313 km (0.05 R)
• M18: 13,992,487 km (0.06 R)
• M19: 16,189,332 km (0.09 R)
• M20: 19,582,062 km (0.038 R)
• M21: 21,539,550 km (0.071 R)
• M22: 24,347,353 km (0.079 R)
• M23: 24,979,254 km (0.105 R)
• M24: 26,828,733 km (0.067 R)
• M25: 27,389,575 km (0.101 R)
• M26: 33,693,928 km (0.088 R)
• M27: 39,297,416 km (0.051 R)
• M28: 46,448,643 km (0.064 R)
• M29: 47,419,683 km (0.101 R)
• M30: 49,067,952 km (0.112 R)
• M31: 54,957,471 km (0.088 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 10,959 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit