🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.7

Radius: 8.5

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.79 AU - 1.29 AU

Year: 696 Days

Day: 10.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 96.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,097,418 km

• M1: 105,766 km (0.099 R)
• M2: 372,499 km (0.065 R)
• M3: 846,874 km (0.114 R)
• M4: 1,128,566 km (0.075 R)
• M5: 1,537,118 km (0.095 R)
• M6: 1,947,914 km (0.114 R)
• M7: 2,727,468 km (0.091 R)
• M8: 3,357,425 km (0.106 R)
• M9: 3,873,986 km (0.088 R)
• M10: 4,208,786 km (0.103 R)
• M11: 4,502,447 km (0.101 R)
• M12: 5,131,207 km (0.057 R)
• M13: 6,543,411 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.1

Radius: 10.8

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.9 AU - 1.34 AU

Year: 778 Days

Day: 6.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,097,418 km

• M1: 134,488 km (0.096 R)
• M2: 894,146 km (0.114 R)
• M3: 1,421,329 km (0.11 R)
• M4: 2,298,422 km (0.032 R)
• M5: 3,145,146 km (0.091 R)
• M6: 3,673,825 km (0.113 R)
• M7: 4,305,427 km (0.098 R)
• M8: 4,975,176 km (0.102 R)
• M9: 5,641,336 km (0.099 R)
• M10: 6,136,654 km (0.114 R)
• M11: 7,006,117 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.3

Radius: 10.5

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.6 AU - 1.64 AU

Year: 1353 Days

Day: 11.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,097,418 km

• M1: 130,599 km (0.048 R)
• M2: 463,604 km (0.104 R)
• M3: 886,218 km (0.089 R)
• M4: 1,287,738 km (0.099 R)
• M5: 1,622,090 km (0.072 R)
• M6: 2,451,012 km (0.111 R)
• M7: 3,406,194 km (0.084 R)
• M8: 4,013,561 km (0.036 R)
• M9: 4,446,946 km (0.049 R)
• M10: 5,137,939 km (0.113 R)
• M11: 5,537,365 km (0.096 R)
• M12: 6,055,871 km (0.072 R)
• M13: 6,733,400 km (0.038 R)
• M14: 7,079,719 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.8

Radius: 10

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.16 AU - 3.16 AU

Year: 2846 Days

Day: 6 Hours

Environment

Temp: -201 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 88,097,418 km

• M1: 124,465 km (0.095 R)
• M2: 510,278 km (0.044 R)
• M3: 1,219,971 km (0.099 R)
• M4: 1,842,148 km (0.094 R)
• M5: 2,838,620 km (0.109 R)
• M6: 3,391,533 km (0.064 R)
• M7: 4,224,644 km (0.049 R)
• M8: 4,621,228 km (0.076 R)
• M9: 5,115,200 km (0.065 R)
• M10: 5,670,208 km (0.102 R)
• M11: 6,723,078 km (0.112 R)
• M12: 7,296,187 km (0.053 R)
• M13: 7,642,656 km (0.114 R)
• M14: 9,655,047 km (0.105 R)
• M15: 10,111,769 km (0.116 R)
• M16: 10,783,613 km (0.118 R)
• M17: 11,526,965 km (0.074 R)
• M18: 12,348,407 km (0.088 R)
• M19: 13,301,046 km (0.051 R)
• M20: 15,301,319 km (0.063 R)
• M21: 15,713,760 km (0.068 R)
• M22: 16,027,916 km (0.116 R)
• M23: 17,438,474 km (0.062 R)
• M24: 18,002,309 km (0.105 R)
• M25: 18,578,410 km (0.106 R)
• M26: 19,166,629 km (0.114 R)
• M27: 20,380,466 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.8

Radius: 13.5

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.85 AU - 3.65 AU

Year: 3844 Days

Day: 9.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,097,418 km

• M1: 167,998 km (0.106 R)
• M2: 729,738 km (0.117 R)
• M3: 1,780,364 km (0.118 R)
• M4: 3,284,122 km (0.119 R)
• M5: 5,684,420 km (0.05 R)
• M6: 6,729,062 km (0.051 R)
• M7: 8,587,666 km (0.111 R)
• M8: 9,774,725 km (0.117 R)
• M9: 10,800,966 km (0.1 R)
• M10: 12,075,540 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.6

Radius: 14.9

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.2 AU - 6.28 AU

Year: 7869 Days

Day: 10.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 88,097,418 km

• M1: 187,895 km (0.115 R)
• M2: 786,885 km (0.086 R)
• M3: 1,922,482 km (0.116 R)
• M4: 6,978,441 km (0.104 R)
• M5: 7,987,778 km (0.065 R)
• M6: 12,356,335 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.9

Radius: 7.8

Gravity: 15.37 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 7.77 AU - 8.93 AU

Year: 15828 Days

Day: 18.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 88,097,418 km

• M1: 97,089 km (0.06 R)
• M2: 409,300 km (0.103 R)
• M3: 682,615 km (0.117 R)
• M4: 1,364,482 km (0.053 R)
• M5: 1,801,757 km (0.091 R)
• M6: 2,245,464 km (0.086 R)
• M7: 2,712,209 km (0.112 R)
• M8: 2,956,503 km (0.065 R)
• M9: 3,323,466 km (0.092 R)
• M10: 4,022,986 km (0.1 R)
• M11: 5,103,831 km (0.083 R)
• M12: 5,911,210 km (0.09 R)
• M13: 6,624,942 km (0.092 R)
• M14: 7,025,415 km (0.087 R)
• M15: 7,394,772 km (0.11 R)
• M16: 7,680,355 km (0.097 R)
• M17: 8,478,011 km (0.095 R)
• M18: 13,735,628 km (0.104 R)
• M19: 16,790,117 km (0.108 R)
• M20: 20,924,553 km (0.088 R)
• M21: 21,593,256 km (0.107 R)
• M22: 27,014,234 km (0.098 R)
• M23: 28,498,843 km (0.091 R)
• M24: 33,536,252 km (0.036 R)
• M25: 35,518,274 km (0.116 R)
• M26: 36,469,567 km (0.097 R)
• M27: 42,840,641 km (0.104 R)
• M28: 46,610,059 km (0.116 R)
• M29: 54,441,807 km (0.065 R)
• M30: 55,523,848 km (0.079 R)
• M31: 58,855,991 km (0.1 R)
• M32: 61,732,758 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.7

Radius: 7

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 8.92 AU - 9 AU

Year: 17594 Days

Day: 21.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 88,097,418 km

• M1: 87,365 km (0.11 R)
• M2: 346,917 km (0.045 R)
• M3: 1,588,281 km (0.087 R)
• M4: 2,165,579 km (0.049 R)
• M5: 3,068,402 km (0.089 R)
• M6: 3,678,761 km (0.067 R)
• M7: 4,480,157 km (0.072 R)
• M8: 6,832,733 km (0.102 R)
• M9: 7,994,809 km (0.063 R)
• M10: 9,613,907 km (0.082 R)
• M11: 10,099,801 km (0.056 R)
• M12: 10,500,275 km (0.102 R)
• M13: 11,226,572 km (0.091 R)
• M14: 11,820,326 km (0.089 R)
• M15: 13,247,340 km (0.101 R)
• M16: 16,031,805 km (0.083 R)
• M17: 20,904,657 km (0.108 R)
• M18: 21,147,005 km (0.069 R)
• M19: 21,719,816 km (0.101 R)
• M20: 24,471,070 km (0.087 R)
• M21: 34,777,316 km (0.092 R)
• M22: 37,444,646 km (0.105 R)
• M23: 40,370,182 km (0.042 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 763.1

Radius: 3.9

Gravity: 50.17 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 10.37 AU - 11.43 AU

Year: 23607 Days

Day: 22.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 88,097,418 km

• M1: 50,414 km (0.084 R)
• M2: 311,463 km (0.096 R)
• M3: 1,011,880 km (0.094 R)
• M4: 1,343,389 km (0.12 R)
• M5: 2,044,105 km (0.116 R)
• M6: 2,906,687 km (0.105 R)
• M7: 3,448,530 km (0.07 R)
• M8: 3,664,101 km (0.097 R)
• M9: 4,190,835 km (0.091 R)
• M10: 4,508,431 km (0.106 R)
• M11: 4,728,938 km (0.092 R)
• M12: 5,683,672 km (0.073 R)
• M13: 7,097,970 km (0.088 R)
• M14: 9,248,440 km (0.093 R)
• M15: 9,425,414 km (0.083 R)
• M16: 10,093,518 km (0.086 R)
• M17: 10,857,664 km (0.064 R)
• M18: 11,659,658 km (0.062 R)
• M19: 11,866,253 km (0.11 R)
• M20: 13,082,932 km (0.104 R)
• M21: 15,182,389 km (0.09 R)
• M22: 15,929,181 km (0.082 R)
• M23: 17,948,603 km (0.091 R)
• M24: 19,935,861 km (0.09 R)
• M25: 20,132,433 km (0.112 R)
• M26: 22,806,943 km (0.059 R)
• M27: 26,530,285 km (0.074 R)
• M28: 27,127,629 km (0.066 R)
• M29: 29,225,590 km (0.094 R)
• M30: 47,538,015 km (0.101 R)
• M31: 56,052,527 km (0.11 R)
• M32: 57,431,221 km (0.072 R)
• M33: 62,960,957 km (0.108 R)
• M34: 67,499,307 km (0.079 R)
• M35: 71,099,978 km (0.069 R)
• M36: 72,250,835 km (0.044 R)
• M37: 78,926,341 km (0.102 R)
• M38: 83,173,424 km (0.113 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 10,663 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit