🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.8

Radius: 10

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.47 AU - 0.59 AU

Year: 271 Days

Day: 8 Hours

Environment

Temp: -146 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,069,874 km

• M1: 124,615 km (0.078 R)
• M2: 534,214 km (0.065 R)
• M3: 876,494 km (0.116 R)
• M4: 1,316,910 km (0.06 R)
• M5: 1,958,087 km (0.027 R)
• M6: 2,435,304 km (0.12 R)
• M7: 2,813,487 km (0.115 R)
• M8: 3,517,794 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.8

Radius: 11.2

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.68 AU - 0.88 AU

Year: 484 Days

Day: 9.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,069,874 km

• M1: 139,276 km (0.077 R)
• M2: 488,138 km (0.102 R)
• M3: 937,979 km (0.119 R)
• M4: 1,392,906 km (0.119 R)
• M5: 2,486,765 km (0.093 R)
• M6: 3,342,465 km (0.102 R)
• M7: 3,975,563 km (0.117 R)
• M8: 4,912,046 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.1

Radius: 10.9

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.88 AU - 1.06 AU

Year: 672 Days

Day: 9.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,069,874 km

• M1: 139,425 km (0.119 R)
• M2: 509,680 km (0.091 R)
• M3: 878,887 km (0.046 R)
• M4: 2,059,065 km (0.069 R)
• M5: 2,425,729 km (0.086 R)
• M6: 2,990,312 km (0.117 R)
• M7: 3,394,974 km (0.104 R)
• M8: 5,086,627 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.9

Radius: 13.3

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.11 AU - 1.11 AU

Year: 822 Days

Day: 11.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,069,874 km

• M1: 165,754 km (0.11 R)
• M2: 629,508 km (0.118 R)
• M3: 1,099,993 km (0.093 R)
• M4: 1,652,308 km (0.077 R)
• M5: 2,140,596 km (0.09 R)
• M6: 2,597,917 km (0.059 R)
• M7: 3,226,078 km (0.119 R)
• M8: 3,641,661 km (0.085 R)
• M9: 4,514,864 km (0.095 R)
• M10: 6,268,450 km (0.113 R)
• M11: 7,451,769 km (0.083 R)
• M12: 8,084,269 km (0.101 R)
• M13: 9,127,265 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.3

Radius: 10.8

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.4 AU - 5.64 AU

Year: 7906 Days

Day: 9.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 46,069,874 km

• M1: 139,126 km (0.065 R)
• M2: 493,224 km (0.067 R)
• M3: 1,289,982 km (0.104 R)
• M4: 1,900,791 km (0.075 R)
• M5: 2,531,495 km (0.096 R)
• M6: 3,087,102 km (0.073 R)
• M7: 3,676,068 km (0.116 R)
• M8: 5,166,213 km (0.113 R)
• M9: 5,556,215 km (0.114 R)
• M10: 6,952,860 km (0.111 R)
• M11: 8,285,179 km (0.102 R)
• M12: 9,119,187 km (0.059 R)
• M13: 10,100,100 km (0.1 R)
• M14: 10,521,069 km (0.097 R)
• M15: 12,323,873 km (0.067 R)
• M16: 12,804,979 km (0.092 R)
• M17: 13,187,800 km (0.083 R)
• M18: 13,634,649 km (0.112 R)
• M19: 14,975,944 km (0.079 R)
• M20: 19,670,923 km (0.072 R)
• M21: 20,402,606 km (0.111 R)
• M22: 24,252,508 km (0.071 R)
• M23: 27,916,758 km (0.077 R)
• M24: 28,376,173 km (0.03 R)
• M25: 31,141,340 km (0.087 R)
• M26: 32,034,738 km (0.118 R)
• M27: 34,606,176 km (0.093 R)
• M28: 35,350,126 km (0.079 R)
• M29: 36,650,282 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.8

Radius: 6

Gravity: 27.47 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.84 AU - 8.48 AU

Year: 13467 Days

Day: 16.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 46,069,874 km

• M1: 74,649 km (0.109 R)
• M2: 422,315 km (0.105 R)
• M3: 626,665 km (0.078 R)
• M4: 867,069 km (0.098 R)
• M5: 1,234,482 km (0.117 R)
• M6: 2,156,902 km (0.085 R)
• M7: 2,467,617 km (0.118 R)
• M8: 2,691,116 km (0.109 R)
• M9: 4,141,467 km (0.052 R)
• M10: 5,657,492 km (0.101 R)
• M11: 6,882,100 km (0.101 R)
• M12: 9,954,542 km (0.108 R)
• M13: 10,293,231 km (0.052 R)
• M14: 10,523,313 km (0.062 R)
• M15: 11,355,526 km (0.076 R)
• M16: 12,816,947 km (0.047 R)
• M17: 13,834,961 km (0.094 R)
• M18: 16,653,534 km (0.092 R)
• M19: 18,618,053 km (0.06 R)
• M20: 22,227,102 km (0.119 R)
• M21: 22,418,887 km (0.086 R)
• M22: 23,295,680 km (0.101 R)
• M23: 27,691,314 km (0.114 R)
• M24: 27,913,467 km (0.099 R)
• M25: 29,617,386 km (0.106 R)
• M26: 33,106,158 km (0.097 R)
• M27: 37,805,925 km (0.092 R)
• M28: 42,193,481 km (0.106 R)
• M29: 43,378,446 km (0.113 R)
• M30: 46,281,392 km (0.115 R)
• M31: 55,058,599 km (0.062 R)
• M32: 56,472,897 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484.5

Radius: 5.1

Gravity: 18.63 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.73 AU - 9.03 AU

Year: 14093 Days

Day: 20.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 46,069,874 km

• M1: 64,477 km (0.117 R)
• M2: 371,003 km (0.104 R)
• M3: 618,886 km (0.109 R)
• M4: 813,962 km (0.108 R)
• M5: 1,083,986 km (0.034 R)
• M6: 1,317,808 km (0.071 R)
• M7: 2,342,703 km (0.084 R)
• M8: 2,801,519 km (0.084 R)
• M9: 3,599,026 km (0.074 R)
• M10: 4,036,001 km (0.063 R)
• M11: 4,788,329 km (0.114 R)
• M12: 4,982,058 km (0.101 R)
• M13: 5,214,683 km (0.078 R)
• M14: 5,559,506 km (0.083 R)
• M15: 5,846,285 km (0.026 R)
• M16: 6,527,404 km (0.114 R)
• M17: 10,045,647 km (0.093 R)
• M18: 11,131,727 km (0.114 R)
• M19: 11,878,221 km (0.075 R)
• M20: 12,414,230 km (0.112 R)
• M21: 14,053,523 km (0.076 R)
• M22: 14,251,441 km (0.083 R)
• M23: 15,974,360 km (0.091 R)
• M24: 18,454,693 km (0.074 R)
• M25: 19,011,945 km (0.077 R)
• M26: 21,180,216 km (0.107 R)
• M27: 22,956,392 km (0.063 R)
• M28: 25,215,768 km (0.109 R)
• M29: 28,558,533 km (0.071 R)
• M30: 32,070,941 km (0.072 R)
• M31: 35,615,513 km (0.084 R)
• M32: 42,362,676 km (0.088 R)
• M33: 47,650,213 km (0.076 R)
• M34: 49,760,441 km (0.083 R)
• M35: 50,838,592 km (0.093 R)
• M36: 51,932,153 km (0.054 R)
• M37: 52,405,630 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255.6

Radius: 6.1

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 7.23 AU - 8.55 AU

Year: 15578 Days

Day: 17.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,069,874 km

• M1: 95,443 km (0.09 R)
• M2: 328,218 km (0.107 R)
• M3: 699,968 km (0.03 R)
• M4: 1,017,864 km (0.078 R)
• M5: 1,351,018 km (0.068 R)
• M6: 2,950,968 km (0.076 R)
• M7: 4,760,952 km (0.091 R)
• M8: 5,260,310 km (0.073 R)
• M9: 8,119,724 km (0.067 R)
• M10: 10,026,348 km (0.088 R)
• M11: 11,542,673 km (0.109 R)
• M12: 11,818,681 km (0.07 R)
• M13: 15,022,169 km (0.107 R)
• M14: 15,351,434 km (0.037 R)
• M15: 15,752,805 km (0.109 R)
• M16: 16,092,542 km (0.096 R)
• M17: 17,500,857 km (0.105 R)
• M18: 20,479,948 km (0.038 R)
• M19: 24,771,762 km (0.064 R)
• M20: 26,072,814 km (0.117 R)
• M21: 31,305,000 km (0.114 R)
• M22: 31,626,635 km (0.119 R)
• M23: 34,849,722 km (0.07 R)
• M24: 40,274,140 km (0.044 R)
• M25: 41,551,407 km (0.119 R)
• M26: 42,069,913 km (0.12 R)
• M27: 43,119,791 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.8

Radius: 6.5

Gravity: 11.59 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 8.99 AU - 10.41 AU

Year: 21236 Days

Day: 19.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,069,874 km

• M1: 84,672 km (0.093 R)
• M2: 528,679 km (0.102 R)
• M3: 1,309,729 km (0.109 R)
• M4: 1,860,100 km (0.104 R)
• M5: 3,113,580 km (0.094 R)
• M6: 3,436,263 km (0.112 R)
• M7: 5,549,183 km (0.108 R)
• M8: 6,483,572 km (0.104 R)
• M9: 8,050,909 km (0.097 R)
• M10: 23,115,863 km (0.114 R)
• M11: 23,520,076 km (0.092 R)
• M12: 24,550,955 km (0.051 R)
• M13: 25,183,754 km (0.06 R)
• M14: 28,743,735 km (0.115 R)
• M15: 33,261,591 km (0.104 R)
• M16: 41,855,240 km (0.09 R)
• M17: 45,071,146 km (0.025 R)
• M18: 49,276,342 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.8

Radius: 3

Gravity: 14.31 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 7.58 AU - 12.12 AU

Year: 21730 Days

Day: 24 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,069,874 km

• M1: 38,147 km (0.103 R)
• M2: 208,689 km (0.09 R)
• M3: 416,780 km (0.062 R)
• M4: 514,168 km (0.094 R)
• M5: 627,114 km (0.105 R)
• M6: 747,989 km (0.025 R)
• M7: 1,026,241 km (0.053 R)
• M8: 1,343,389 km (0.108 R)
• M9: 1,691,653 km (0.066 R)
• M10: 2,062,207 km (0.067 R)
• M11: 2,426,178 km (0.088 R)
• M12: 2,831,439 km (0.043 R)
• M13: 3,399,312 km (0.114 R)
• M14: 3,697,162 km (0.091 R)
• M15: 9,443,515 km (0.104 R)
• M16: 9,782,803 km (0.091 R)
• M17: 13,944,317 km (0.041 R)
• M18: 18,994,890 km (0.106 R)
• M19: 20,164,895 km (0.069 R)
• M20: 20,404,402 km (0.118 R)
• M21: 22,819,510 km (0.049 R)
• M22: 23,783,219 km (0.06 R)
• M23: 23,961,241 km (0.118 R)
• M24: 28,507,071 km (0.107 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: 355 - 17,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit