🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.7

Radius: 11.4

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.71 AU - 0.71 AU

Year: 413 Days

Day: 7.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 84,961,708 km

• M1: 141,819 km (0.072 R)
• M2: 616,044 km (0.064 R)
• M3: 1,034,320 km (0.085 R)
• M4: 1,701,825 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.8

Radius: 8.3

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.63 AU - 1.91 AU

Year: 1625 Days

Day: 6.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,961,708 km

• M1: 103,372 km (0.111 R)
• M2: 404,213 km (0.107 R)
• M3: 698,024 km (0.115 R)
• M4: 1,021,305 km (0.088 R)
• M5: 2,268,203 km (0.103 R)
• M6: 4,232,273 km (0.049 R)
• M7: 4,512,470 km (0.114 R)
• M8: 4,786,533 km (0.094 R)
• M9: 5,634,305 km (0.079 R)
• M10: 6,215,792 km (0.113 R)
• M11: 6,648,429 km (0.102 R)
• M12: 8,282,187 km (0.068 R)
• M13: 8,806,378 km (0.111 R)
• M14: 9,148,807 km (0.116 R)
• M15: 9,829,926 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.2

Radius: 14.3

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.74 AU - 2.14 AU

Year: 1865 Days

Day: 7.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 143 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,961,708 km

• M1: 177,872 km (0.118 R)
• M2: 633,996 km (0.116 R)
• M3: 1,773,483 km (0.106 R)
• M4: 2,240,228 km (0.091 R)
• M5: 2,856,571 km (0.067 R)
• M6: 3,680,257 km (0.105 R)
• M7: 4,343,873 km (0.093 R)
• M8: 5,269,435 km (0.119 R)
• M9: 6,559,119 km (0.115 R)
• M10: 7,049,800 km (0.093 R)
• M11: 7,644,451 km (0.096 R)
• M12: 8,244,488 km (0.108 R)
• M13: 8,729,485 km (0.11 R)
• M14: 9,788,488 km (0.065 R)
• M15: 11,170,323 km (0.115 R)
• M16: 12,161,559 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72

Radius: 14.8

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.5 AU - 2.76 AU

Year: 2944 Days

Day: 13.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,961,708 km

• M1: 184,005 km (0.073 R)
• M2: 871,258 km (0.04 R)
• M3: 1,647,073 km (0.068 R)
• M4: 2,296,028 km (0.084 R)
• M5: 2,772,198 km (0.094 R)
• M6: 3,384,353 km (0.069 R)
• M7: 4,054,252 km (0.081 R)
• M8: 5,702,072 km (0.078 R)
• M9: 7,761,586 km (0.041 R)
• M10: 8,987,391 km (0.051 R)
• M11: 9,518,314 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.8

Radius: 4.4

Gravity: 23.39 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 6.27 AU - 7.73 AU

Year: 12784 Days

Day: 19.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 84,961,708 km

• M1: 54,902 km (0.037 R)
• M2: 794,963 km (0.045 R)
• M3: 948,451 km (0.083 R)
• M4: 1,901,688 km (0.072 R)
• M5: 2,858,217 km (0.092 R)
• M6: 3,879,522 km (0.097 R)
• M7: 5,090,516 km (0.03 R)
• M8: 7,245,174 km (0.057 R)
• M9: 8,095,339 km (0.115 R)
• M10: 10,933,809 km (0.117 R)
• M11: 11,151,025 km (0.072 R)
• M12: 12,515,358 km (0.099 R)
• M13: 12,933,334 km (0.066 R)
• M14: 13,484,303 km (0.079 R)
• M15: 14,632,916 km (0.117 R)
• M16: 14,830,535 km (0.081 R)
• M17: 15,231,008 km (0.057 R)
• M18: 16,618,379 km (0.099 R)
• M19: 21,281,943 km (0.061 R)
• M20: 26,845,936 km (0.119 R)
• M21: 28,862,067 km (0.108 R)
• M22: 32,182,990 km (0.117 R)
• M23: 32,629,091 km (0.092 R)
• M24: 35,630,622 km (0.111 R)
• M25: 38,685,411 km (0.11 R)
• M26: 40,340,861 km (0.084 R)
• M27: 45,309,605 km (0.118 R)
• M28: 45,870,148 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 653.9

Radius: 3.5

Gravity: 53.38 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 6.14 AU - 8.12 AU

Year: 13142 Days

Day: 19.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,961,708 km

• M1: 136,433 km (0.048 R)
• M2: 279,598 km (0.04 R)
• M3: 502,948 km (0.076 R)
• M4: 1,120,488 km (0.113 R)
• M5: 1,525,898 km (0.112 R)
• M6: 1,778,569 km (0.105 R)
• M7: 3,802,179 km (0.095 R)
• M8: 5,063,140 km (0.114 R)
• M9: 7,287,211 km (0.047 R)
• M10: 7,549,008 km (0.112 R)
• M11: 8,091,450 km (0.06 R)
• M12: 9,303,940 km (0.071 R)
• M13: 11,140,404 km (0.088 R)
• M14: 16,607,907 km (0.069 R)
• M15: 21,516,213 km (0.117 R)
• M16: 23,064,551 km (0.07 R)
• M17: 25,774,068 km (0.115 R)
• M18: 30,786,195 km (0.063 R)
• M19: 38,078,492 km (0.108 R)
• M20: 38,208,792 km (0.104 R)
• M21: 41,982,249 km (0.096 R)
• M22: 45,554,796 km (0.096 R)
• M23: 45,996,708 km (0.099 R)
• M24: 51,205,706 km (0.043 R)
• M25: 56,116,704 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 786.4

Radius: 5.1

Gravity: 30.23 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 8.13 AU - 11.99 AU

Year: 22025 Days

Day: 15.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 84,961,708 km

• M1: 65,973 km (0.095 R)
• M2: 575,204 km (0.097 R)
• M3: 742,604 km (0.116 R)
• M4: 979,866 km (0.109 R)
• M5: 1,165,218 km (0.106 R)
• M6: 1,487,751 km (0.08 R)
• M7: 2,155,556 km (0.09 R)
• M8: 2,496,040 km (0.108 R)
• M9: 3,610,694 km (0.083 R)
• M10: 7,544,819 km (0.113 R)
• M11: 7,955,615 km (0.114 R)
• M12: 10,112,966 km (0.103 R)
• M13: 10,298,168 km (0.117 R)
• M14: 12,418,867 km (0.116 R)
• M15: 13,580,943 km (0.059 R)
• M16: 16,542,533 km (0.025 R)
• M17: 17,147,506 km (0.12 R)
• M18: 21,904,270 km (0.119 R)
• M19: 23,486,417 km (0.086 R)
• M20: 25,369,705 km (0.069 R)
• M21: 29,058,938 km (0.089 R)
• M22: 31,488,257 km (0.043 R)
• M23: 32,016,338 km (0.11 R)
• M24: 33,499,152 km (0.076 R)
• M25: 33,773,664 km (0.06 R)
• M26: 34,049,523 km (0.116 R)
• M27: 35,168,365 km (0.041 R)
• M28: 36,023,317 km (0.079 R)
• M29: 36,746,323 km (0.096 R)
• M30: 39,277,071 km (0.102 R)
• M31: 40,352,081 km (0.11 R)
• M32: 44,186,573 km (0.091 R)
• M33: 44,351,430 km (0.106 R)
• M34: 45,349,099 km (0.107 R)
• M35: 51,286,937 km (0.059 R)
• M36: 57,133,820 km (0.112 R)
• M37: 58,512,963 km (0.077 R)
• M38: 64,251,388 km (0.118 R)
• M39: 68,352,015 km (0.09 R)
• M40: 78,028,005 km (0.175 R)
• M41: 83,946,995 km (0.049 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 17,253 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit