🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.3

Radius: 9

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.45 AU - 0.63 AU

Year: 265 Days

Day: 10.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 167.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,623,715 km

• M1: 111,899 km (0.07 R)
• M2: 746,194 km (0.109 R)
• M3: 1,031,178 km (0.057 R)
• M4: 1,479,673 km (0.075 R)
• M5: 1,876,556 km (0.077 R)
• M6: 2,163,784 km (0.077 R)
• M7: 2,706,076 km (0.118 R)
• M8: 4,160,018 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.6

Radius: 12.8

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.61 AU - 0.71 AU

Year: 358 Days

Day: 14.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,623,715 km

• M1: 159,471 km (0.031 R)
• M2: 603,179 km (0.116 R)
• M3: 1,080,545 km (0.043 R)
• M4: 2,314,877 km (0.058 R)
• M5: 2,894,868 km (0.094 R)
• M6: 3,356,378 km (0.072 R)
• M7: 4,244,690 km (0.084 R)
• M8: 4,987,443 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.5

Radius: 8.6

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.75 AU - 0.81 AU

Year: 459 Days

Day: 10.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 67.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,623,715 km

• M1: 107,112 km (0.091 R)
• M2: 387,309 km (0.11 R)
• M3: 672,293 km (0.095 R)
• M4: 973,583 km (0.064 R)
• M5: 1,526,646 km (0.056 R)
• M6: 1,960,480 km (0.075 R)
• M7: 2,584,154 km (0.12 R)
• M8: 3,020,381 km (0.112 R)
• M9: 3,358,023 km (0.047 R)
• M10: 4,828,122 km (0.1 R)
• M11: 5,193,290 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.1

Radius: 14.5

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.84 AU - 1.22 AU

Year: 697 Days

Day: 14.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,623,715 km

• M1: 182,509 km (0.068 R)
• M2: 692,937 km (0.071 R)
• M3: 1,404,724 km (0.087 R)
• M4: 2,440,689 km (0.07 R)
• M5: 2,994,800 km (0.086 R)
• M6: 4,076,991 km (0.063 R)
• M7: 4,969,192 km (0.072 R)
• M8: 5,462,417 km (0.104 R)
• M9: 5,968,207 km (0.108 R)
• M10: 6,655,460 km (0.105 R)
• M11: 7,558,732 km (0.105 R)
• M12: 8,163,855 km (0.113 R)
• M13: 8,697,171 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.8

Radius: 10.6

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.54 AU - 2.34 AU

Year: 1802 Days

Day: 6.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,623,715 km

• M1: 134,339 km (0.06 R)
• M2: 557,102 km (0.088 R)
• M3: 1,225,057 km (0.078 R)
• M4: 2,005,808 km (0.112 R)
• M5: 3,238,794 km (0.044 R)
• M6: 4,142,814 km (0.07 R)
• M7: 5,375,949 km (0.081 R)
• M8: 6,396,356 km (0.075 R)
• M9: 7,461,044 km (0.079 R)
• M10: 11,470,267 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325

Radius: 6.7

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.76 AU - 7 AU

Year: 12034 Days

Day: 15.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,623,715 km

• M1: 83,476 km (0.088 R)
• M2: 539,001 km (0.118 R)
• M3: 1,029,981 km (0.037 R)
• M4: 1,453,643 km (0.1 R)
• M5: 1,801,757 km (0.072 R)
• M6: 2,744,672 km (0.047 R)
• M7: 4,522,194 km (0.098 R)
• M8: 4,989,089 km (0.111 R)
• M9: 5,296,961 km (0.087 R)
• M10: 6,018,921 km (0.108 R)
• M11: 7,576,384 km (0.111 R)
• M12: 8,025,028 km (0.03 R)
• M13: 9,292,870 km (0.113 R)
• M14: 11,305,709 km (0.115 R)
• M15: 11,729,670 km (0.072 R)
• M16: 30,754,330 km (0.086 R)
• M17: 33,385,009 km (0.114 R)
• M18: 40,918,907 km (0.053 R)
• M19: 42,296,704 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 274.3

Radius: 4.2

Gravity: 15.55 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.48 AU - 9.88 AU

Year: 15601 Days

Day: 23 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,623,715 km

• M1: 52,210 km (0.052 R)
• M2: 254,017 km (0.119 R)
• M3: 557,701 km (0.11 R)
• M4: 802,892 km (0.051 R)
• M5: 5,368,170 km (0.102 R)
• M6: 5,637,297 km (0.1 R)
• M7: 6,093,720 km (0.09 R)
• M8: 6,536,529 km (0.073 R)
• M9: 6,727,267 km (0.115 R)
• M10: 7,403,449 km (0.105 R)
• M11: 11,476,101 km (0.073 R)
• M12: 11,809,854 km (0.092 R)
• M13: 19,760,832 km (0.106 R)
• M14: 25,940,720 km (0.101 R)
• M15: 33,406,102 km (0.111 R)
• M16: 34,544,392 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770.4

Radius: 6

Gravity: 21.4 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 6.48 AU - 10.08 AU

Year: 15888 Days

Day: 21.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 76.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 68,623,715 km

• M1: 76,295 km (0.098 R)
• M2: 379,231 km (0.09 R)
• M3: 577,298 km (0.081 R)
• M4: 806,482 km (0.112 R)
• M5: 1,059,452 km (0.052 R)
• M6: 1,252,583 km (0.072 R)
• M7: 1,644,081 km (0.114 R)
• M8: 1,850,825 km (0.083 R)
• M9: 2,511,000 km (0.11 R)
• M10: 3,211,567 km (0.058 R)
• M11: 4,189,788 km (0.068 R)
• M12: 4,850,561 km (0.115 R)
• M13: 5,169,654 km (0.092 R)
• M14: 6,587,991 km (0.116 R)
• M15: 7,479,146 km (0.051 R)
• M16: 10,282,759 km (0.045 R)
• M17: 12,963,553 km (0.115 R)
• M18: 17,027,230 km (0.111 R)
• M19: 19,477,643 km (0.115 R)
• M20: 20,102,663 km (0.105 R)
• M21: 20,465,587 km (0.057 R)
• M22: 22,443,720 km (0.112 R)
• M23: 28,108,542 km (0.118 R)
• M24: 31,755,738 km (0.078 R)
• M25: 32,372,082 km (0.072 R)
• M26: 32,620,713 km (0.106 R)
• M27: 35,573,925 km (0.108 R)
• M28: 39,687,268 km (0.094 R)
• M29: 43,348,227 km (0.077 R)
• M30: 45,649,641 km (0.098 R)
• M31: 47,548,337 km (0.047 R)
• M32: 50,327,416 km (0.091 R)
• M33: 52,011,739 km (0.029 R)
• M34: 54,082,024 km (0.064 R)
• M35: 57,108,090 km (0.113 R)
• M36: 58,019,290 km (0.077 R)
• M37: 60,433,351 km (0.058 R)
• M38: 66,258,094 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867.3

Radius: 3.9

Gravity: 57.02 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.75 AU - 8.81 AU

Year: 17349 Days

Day: 18.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,623,715 km

• M1: 68,067 km (0.112 R)
• M2: 267,331 km (0.072 R)
• M3: 638,185 km (0.106 R)
• M4: 1,656,048 km (0.042 R)
• M5: 2,963,384 km (0.117 R)
• M6: 3,094,282 km (0.079 R)
• M7: 3,339,623 km (0.032 R)
• M8: 5,473,936 km (0.078 R)
• M9: 6,465,620 km (0.068 R)
• M10: 8,959,416 km (0.09 R)
• M11: 9,457,428 km (0.064 R)
• M12: 12,770,422 km (0.068 R)
• M13: 18,227,902 km (0.114 R)
• M14: 21,854,005 km (0.041 R)
• M15: 28,326,058 km (0.112 R)
• M16: 29,275,107 km (0.085 R)
• M17: 30,122,728 km (0.107 R)
• M18: 31,361,997 km (0.102 R)
• M19: 33,414,629 km (0.106 R)
• M20: 35,691,958 km (0.092 R)
• M21: 50,173,031 km (0.063 R)
• M22: 62,193,968 km (0.103 R)
• M23: 66,245,677 km (0.101 R)
• M24: 68,759,221 km (0.058 R)
• M25: 73,531,243 km (0.093 R)

Asteroid Belt

Center: 9.88 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.4

Radius: 6.9

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 10.29 AU - 11.65 AU

Year: 24229 Days

Day: 20.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 68,623,715 km

• M1: 86,318 km (0.092 R)
• M2: 416,630 km (0.101 R)
• M3: 748,139 km (0.109 R)
• M4: 1,361,341 km (0.117 R)
• M5: 2,310,689 km (0.12 R)
• M6: 2,548,849 km (0.055 R)
• M7: 2,851,635 km (0.047 R)
• M8: 3,283,524 km (0.086 R)
• M9: 4,089,108 km (0.064 R)
• M10: 4,571,711 km (0.103 R)
• M11: 5,649,863 km (0.059 R)
• M12: 9,667,314 km (0.113 R)
• M13: 12,186,691 km (0.117 R)
• M14: 13,458,423 km (0.074 R)
• M15: 18,562,702 km (0.101 R)
• M16: 19,700,693 km (0.117 R)
• M17: 21,731,484 km (0.095 R)
• M18: 22,018,862 km (0.101 R)
• M19: 25,033,259 km (0.091 R)
• M20: 29,232,172 km (0.066 R)
• M21: 29,699,815 km (0.054 R)
• M22: 30,890,464 km (0.027 R)
• M23: 32,485,626 km (0.115 R)
• M24: 33,366,907 km (0.076 R)
• M25: 35,441,082 km (0.037 R)
• M26: 36,915,818 km (0.108 R)
• M27: 40,708,573 km (0.092 R)
• M28: 42,923,818 km (0.082 R)
• M29: 43,225,108 km (0.119 R)
• M30: 51,055,958 km (0.093 R)
• M31: 54,330,356 km (0.115 R)
• M32: 61,484,874 km (0.089 R)
• M33: 65,985,377 km (0.105 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 11,860 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit