🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.3

Radius: 9.4

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.49 AU - 0.65 AU

Year: 287 Days

Day: 6.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 57.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,901,188 km

• M1: 116,836 km (0.081 R)
• M2: 448,345 km (0.112 R)
• M3: 1,070,074 km (0.115 R)
• M4: 1,365,978 km (0.07 R)
• M5: 2,003,564 km (0.119 R)
• M6: 2,515,488 km (0.07 R)
• M7: 3,383,605 km (0.091 R)
• M8: 3,694,020 km (0.098 R)
• M9: 4,124,712 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.4

Radius: 9.7

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.65 AU - 0.69 AU

Year: 366 Days

Day: 8.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,901,188 km

• M1: 120,725 km (0.034 R)
• M2: 522,097 km (0.117 R)
• M3: 894,894 km (0.101 R)
• M4: 1,201,720 km (0.095 R)
• M5: 1,900,940 km (0.084 R)
• M6: 2,207,167 km (0.099 R)
• M7: 2,851,036 km (0.117 R)
• M8: 3,320,774 km (0.107 R)
• M9: 3,805,321 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.5

Radius: 12

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.75 AU - 0.93 AU

Year: 513 Days

Day: 11.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,901,188 km

• M1: 149,897 km (0.038 R)
• M2: 613,950 km (0.046 R)
• M3: 1,007,691 km (0.05 R)
• M4: 1,393,504 km (0.106 R)
• M5: 1,880,296 km (0.083 R)
• M6: 3,130,036 km (0.084 R)
• M7: 3,513,156 km (0.055 R)
• M8: 4,027,175 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.1

Radius: 11.7

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.19 AU - 1.29 AU

Year: 921 Days

Day: 10.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,901,188 km

• M1: 145,559 km (0.075 R)
• M2: 546,631 km (0.112 R)
• M3: 1,170,903 km (0.109 R)
• M4: 1,569,431 km (0.107 R)
• M5: 2,166,177 km (0.045 R)
• M6: 2,876,767 km (0.099 R)
• M7: 3,441,050 km (0.107 R)
• M8: 4,036,001 km (0.113 R)
• M9: 4,729,836 km (0.049 R)
• M10: 5,605,881 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.7

Radius: 13.5

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.81 AU - 3.41 AU

Year: 3657 Days

Day: 13.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,901,188 km

• M1: 172,636 km (0.084 R)
• M2: 625,469 km (0.086 R)
• M3: 2,100,653 km (0.107 R)
• M4: 3,430,429 km (0.049 R)
• M5: 3,904,504 km (0.118 R)
• M6: 6,472,202 km (0.047 R)
• M7: 6,942,688 km (0.089 R)
• M8: 8,526,181 km (0.098 R)
• M9: 9,935,692 km (0.066 R)
• M10: 12,022,283 km (0.072 R)
• M11: 14,809,142 km (0.112 R)
• M12: 16,126,202 km (0.091 R)
• M13: 16,684,501 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.2

Radius: 3.5

Gravity: 23.44 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 5.69 AU - 6.09 AU

Year: 9532 Days

Day: 15.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,901,188 km

• M1: 43,533 km (0.091 R)
• M2: 312,959 km (0.098 R)
• M3: 511,326 km (0.095 R)
• M4: 1,257,071 km (0.058 R)
• M5: 1,609,374 km (0.1 R)
• M6: 2,348,986 km (0.119 R)
• M7: 2,939,748 km (0.088 R)
• M8: 3,291,153 km (0.108 R)
• M9: 4,701,562 km (0.062 R)
• M10: 5,152,001 km (0.079 R)
• M11: 5,387,767 km (0.06 R)
• M12: 6,885,092 km (0.035 R)
• M13: 7,728,675 km (0.096 R)
• M14: 8,155,627 km (0.075 R)
• M15: 9,013,870 km (0.098 R)
• M16: 10,669,470 km (0.03 R)
• M17: 11,198,298 km (0.053 R)
• M18: 15,887,443 km (0.117 R)
• M19: 16,135,626 km (0.116 R)
• M20: 17,024,686 km (0.059 R)
• M21: 17,154,388 km (0.074 R)
• M22: 17,812,319 km (0.097 R)
• M23: 18,899,896 km (0.118 R)
• M24: 22,661,085 km (0.041 R)
• M25: 25,343,226 km (0.117 R)
• M26: 29,517,455 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141.2

Radius: 5.8

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 5.09 AU - 8.33 AU

Year: 11591 Days

Day: 22.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,901,188 km

• M1: 72,405 km (0.119 R)
• M2: 446,400 km (0.095 R)
• M3: 1,600,398 km (0.091 R)
• M4: 1,949,709 km (0.114 R)
• M5: 2,550,494 km (0.065 R)
• M6: 3,066,756 km (0.099 R)
• M7: 4,634,392 km (0.095 R)
• M8: 6,248,853 km (0.099 R)
• M9: 6,704,677 km (0.116 R)
• M10: 8,167,146 km (0.036 R)
• M11: 8,711,832 km (0.027 R)
• M12: 10,994,546 km (0.053 R)
• M13: 12,652,240 km (0.06 R)
• M14: 13,487,295 km (0.103 R)
• M15: 13,918,287 km (0.05 R)
• M16: 19,350,634 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.2

Radius: 7

Gravity: 15.76 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 6.54 AU - 7.82 AU

Year: 12830 Days

Day: 17.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 58,901,188 km

• M1: 87,216 km (0.096 R)
• M2: 341,831 km (0.071 R)
• M3: 593,754 km (0.111 R)
• M4: 889,958 km (0.065 R)
• M5: 1,181,524 km (0.108 R)
• M6: 1,822,252 km (0.071 R)
• M7: 2,740,633 km (0.113 R)
• M8: 3,263,627 km (0.113 R)
• M9: 4,081,479 km (0.113 R)
• M10: 5,518,217 km (0.08 R)
• M11: 6,838,418 km (0.083 R)
• M12: 7,134,322 km (0.089 R)
• M13: 7,394,772 km (0.094 R)
• M14: 7,980,897 km (0.062 R)
• M15: 8,744,444 km (0.087 R)
• M16: 9,348,221 km (0.11 R)
• M17: 9,819,006 km (0.081 R)
• M18: 11,326,653 km (0.091 R)
• M19: 15,360,709 km (0.036 R)
• M20: 16,995,814 km (0.101 R)
• M21: 21,137,282 km (0.061 R)
• M22: 21,766,041 km (0.036 R)
• M23: 22,039,357 km (0.098 R)
• M24: 24,210,919 km (0.063 R)
• M25: 28,320,672 km (0.116 R)
• M26: 28,865,059 km (0.026 R)
• M27: 30,539,957 km (0.107 R)
• M28: 34,204,805 km (0.081 R)
• M29: 36,078,967 km (0.118 R)
• M30: 38,417,032 km (0.067 R)
• M31: 40,167,178 km (0.113 R)
• M32: 40,578,572 km (0.041 R)
• M33: 48,316,223 km (0.097 R)
• M34: 50,036,598 km (0.1 R)
• M35: 53,765,176 km (0.087 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 12,170 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit