🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.8

Radius: 12.7

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.46 AU - 0.56 AU

Year: 243 Days

Day: 10.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 66,860,487 km

• M1: 157,975 km (0.088 R)
• M2: 615,146 km (0.099 R)
• M3: 1,055,114 km (0.119 R)
• M4: 1,526,945 km (0.115 R)
• M5: 2,561,116 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.9

Radius: 8.9

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.49 AU - 0.75 AU

Year: 326 Days

Day: 9.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,860,487 km

• M1: 110,702 km (0.107 R)
• M2: 413,040 km (0.059 R)
• M3: 695,032 km (0.075 R)
• M4: 996,771 km (0.1 R)
• M5: 1,317,808 km (0.114 R)
• M6: 1,613,862 km (0.106 R)
• M7: 2,175,303 km (0.115 R)
• M8: 2,466,121 km (0.099 R)
• M9: 3,012,901 km (0.095 R)
• M10: 3,534,250 km (0.043 R)
• M11: 4,101,674 km (0.087 R)
• M12: 4,387,706 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.7

Radius: 12

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.9 AU - 2.24 AU

Year: 1986 Days

Day: 10.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 119.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,860,487 km

• M1: 149,299 km (0.112 R)
• M2: 581,637 km (0.045 R)
• M3: 972,386 km (0.086 R)
• M4: 1,429,856 km (0.101 R)
• M5: 1,824,047 km (0.085 R)
• M6: 3,076,779 km (0.081 R)
• M7: 3,591,396 km (0.097 R)
• M8: 4,032,859 km (0.114 R)
• M9: 4,451,434 km (0.109 R)
• M10: 5,090,516 km (0.115 R)
• M11: 5,813,672 km (0.109 R)
• M12: 8,800,244 km (0.059 R)
• M13: 9,508,291 km (0.085 R)
• M14: 11,258,885 km (0.099 R)
• M15: 12,928,547 km (0.117 R)
• M16: 13,422,669 km (0.107 R)
• M17: 14,580,706 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554

Radius: 9.1

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.06 AU - 3.3 AU

Year: 2926 Days

Day: 9.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,860,487 km

• M1: 113,246 km (0.106 R)
• M2: 600,336 km (0.108 R)
• M3: 1,932,206 km (0.083 R)
• M4: 2,387,283 km (0.035 R)
• M5: 2,848,792 km (0.098 R)
• M6: 3,368,944 km (0.112 R)
• M7: 4,071,156 km (0.104 R)
• M8: 4,709,491 km (0.073 R)
• M9: 5,946,067 km (0.087 R)
• M10: 6,458,140 km (0.098 R)
• M11: 8,434,777 km (0.119 R)
• M12: 10,981,680 km (0.087 R)
• M13: 11,628,841 km (0.107 R)
• M14: 12,559,788 km (0.068 R)
• M15: 16,996,861 km (0.116 R)
• M16: 17,752,779 km (0.068 R)
• M17: 19,389,530 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.6

Radius: 12.5

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.09 AU - 4.91 AU

Year: 5335 Days

Day: 8.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,860,487 km

• M1: 155,582 km (0.11 R)
• M2: 551,867 km (0.109 R)
• M3: 975,079 km (0.081 R)
• M4: 1,734,139 km (0.117 R)
• M5: 3,308,656 km (0.085 R)
• M6: 3,729,774 km (0.059 R)
• M7: 4,658,926 km (0.088 R)
• M8: 5,634,454 km (0.08 R)
• M9: 7,301,722 km (0.062 R)
• M10: 10,503,865 km (0.035 R)
• M11: 12,477,958 km (0.099 R)
• M12: 13,007,984 km (0.086 R)
• M13: 13,691,347 km (0.096 R)
• M14: 16,667,596 km (0.086 R)
• M15: 17,583,734 km (0.033 R)
• M16: 19,398,954 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.5

Radius: 11.5

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.3 AU - 4.44 AU

Year: 6092 Days

Day: 12.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,860,487 km

• M1: 151,543 km (0.11 R)
• M2: 1,106,725 km (0.065 R)
• M3: 2,594,326 km (0.045 R)
• M4: 4,540,894 km (0.113 R)
• M5: 4,930,596 km (0.11 R)
• M6: 5,605,881 km (0.098 R)
• M7: 7,461,194 km (0.114 R)
• M8: 11,851,443 km (0.107 R)
• M9: 12,301,732 km (0.098 R)
• M10: 14,962,181 km (0.115 R)
• M11: 16,884,214 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 30

Radius: 5.5

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.76 AU - 6.74 AU

Year: 9195 Days

Day: 24.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,860,487 km

• M1: 114,891 km (0.074 R)
• M2: 291,117 km (0.063 R)
• M3: 1,230,143 km (0.078 R)
• M4: 1,997,730 km (0.045 R)
• M5: 2,178,594 km (0.114 R)
• M6: 4,008,325 km (0.077 R)
• M7: 4,852,805 km (0.066 R)
• M8: 5,907,470 km (0.029 R)
• M9: 6,282,213 km (0.047 R)
• M10: 8,459,760 km (0.067 R)
• M11: 9,196,978 km (0.08 R)
• M12: 13,450,345 km (0.057 R)
• M13: 14,994,643 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 362.5

Radius: 7.6

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 4.6 AU - 7.66 AU

Year: 10121 Days

Day: 24.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,860,487 km

• M1: 94,546 km (0.045 R)
• M2: 374,743 km (0.12 R)
• M3: 740,958 km (0.114 R)
• M4: 1,445,265 km (0.118 R)
• M5: 1,737,579 km (0.117 R)
• M6: 2,021,815 km (0.095 R)
• M7: 2,983,131 km (0.102 R)
• M8: 3,767,024 km (0.039 R)
• M9: 5,419,931 km (0.07 R)
• M10: 5,898,943 km (0.099 R)
• M11: 7,052,193 km (0.1 R)
• M12: 9,207,899 km (0.088 R)
• M13: 9,522,054 km (0.063 R)
• M14: 11,252,602 km (0.08 R)
• M15: 11,716,056 km (0.093 R)
• M16: 12,462,251 km (0.076 R)
• M17: 14,952,158 km (0.1 R)
• M18: 16,674,627 km (0.098 R)
• M19: 18,667,720 km (0.119 R)
• M20: 21,278,352 km (0.076 R)
• M21: 23,618,213 km (0.064 R)
• M22: 33,101,670 km (0.065 R)
• M23: 37,695,971 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780.1

Radius: 5.8

Gravity: 23.19 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.77 AU - 6.77 AU

Year: 11747 Days

Day: 16.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,860,487 km

• M1: 72,405 km (0.095 R)
• M2: 295,905 km (0.087 R)
• M3: 478,414 km (0.105 R)
• M4: 1,155,494 km (0.094 R)
• M5: 1,360,443 km (0.107 R)
• M6: 1,730,099 km (0.113 R)
• M7: 2,259,526 km (0.111 R)
• M8: 2,562,013 km (0.027 R)
• M9: 2,845,651 km (0.074 R)
• M10: 3,687,737 km (0.105 R)
• M11: 4,166,002 km (0.103 R)
• M12: 4,813,012 km (0.098 R)
• M13: 5,349,171 km (0.078 R)
• M14: 6,382,144 km (0.104 R)
• M15: 8,217,860 km (0.096 R)
• M16: 9,230,937 km (0.119 R)
• M17: 10,270,791 km (0.049 R)
• M18: 10,652,565 km (0.091 R)
• M19: 13,529,631 km (0.119 R)
• M20: 13,856,204 km (0.053 R)
• M21: 18,355,060 km (0.112 R)
• M22: 18,755,384 km (0.116 R)
• M23: 20,758,649 km (0.106 R)
• M24: 27,825,653 km (0.029 R)
• M25: 28,460,397 km (0.108 R)
• M26: 34,735,728 km (0.106 R)
• M27: 35,471,450 km (0.083 R)
• M28: 37,741,000 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 763.8

Radius: 3

Gravity: 84.87 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 7.1 AU - 9.26 AU

Year: 15601 Days

Day: 20.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,860,487 km

• M1: 37,250 km (0.044 R)
• M2: 138,976 km (0.118 R)
• M3: 281,394 km (0.119 R)
• M4: 467,344 km (0.094 R)
• M5: 1,019,958 km (0.12 R)
• M6: 1,381,985 km (0.07 R)
• M7: 1,770,341 km (0.107 R)
• M8: 2,268,353 km (0.112 R)
• M9: 2,877,814 km (0.073 R)
• M10: 3,077,677 km (0.117 R)
• M11: 3,260,037 km (0.047 R)
• M12: 5,203,313 km (0.072 R)
• M13: 5,690,853 km (0.1 R)
• M14: 7,244,127 km (0.049 R)
• M15: 9,433,193 km (0.035 R)
• M16: 12,089,752 km (0.116 R)
• M17: 12,282,733 km (0.073 R)
• M18: 13,278,606 km (0.048 R)
• M19: 17,066,574 km (0.029 R)
• M20: 18,729,504 km (0.063 R)
• M21: 19,866,448 km (0.078 R)
• M22: 21,141,470 km (0.102 R)
• M23: 21,893,948 km (0.103 R)
• M24: 24,360,517 km (0.092 R)
• M25: 25,819,545 km (0.111 R)
• M26: 28,567,957 km (0.056 R)
• M27: 28,681,801 km (0.094 R)
• M28: 29,025,128 km (0.097 R)
• M29: 31,022,260 km (0.115 R)
• M30: 35,813,581 km (0.065 R)
• M31: 44,192,408 km (0.075 R)
• M32: 44,803,665 km (0.115 R)
• M33: 47,304,492 km (0.097 R)
• M34: 55,894,552 km (0.069 R)
• M35: 58,422,307 km (0.08 R)
• M36: 63,704,009 km (0.05 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: 287 - 15,522 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit