🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.3

Radius: 9.5

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.48 AU - 0.74 AU

Year: 323 Days

Day: 6.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,331,856 km

• M1: 121,773 km (0.105 R)
• M2: 423,362 km (0.057 R)
• M3: 750,383 km (0.096 R)
• M4: 1,078,601 km (0.112 R)
• M5: 1,401,134 km (0.054 R)
• M6: 1,774,979 km (0.053 R)
• M7: 2,071,033 km (0.077 R)
• M8: 2,400,447 km (0.071 R)
• M9: 2,861,807 km (0.097 R)
• M10: 3,414,571 km (0.076 R)
• M11: 3,770,016 km (0.103 R)
• M12: 4,303,931 km (0.038 R)
• M13: 4,623,322 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.4

Radius: 13.5

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.96 AU - 1.18 AU

Year: 751 Days

Day: 5 Hours

Environment

Temp: -176 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,331,856 km

• M1: 167,849 km (0.106 R)
• M2: 625,469 km (0.085 R)
• M3: 1,119,142 km (0.076 R)
• M4: 1,540,110 km (0.101 R)
• M5: 2,587,146 km (0.083 R)
• M6: 3,165,042 km (0.099 R)
• M7: 3,742,340 km (0.094 R)
• M8: 4,501,699 km (0.119 R)
• M9: 5,527,492 km (0.082 R)
• M10: 6,226,563 km (0.076 R)
• M11: 7,661,356 km (0.085 R)
• M12: 8,234,465 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.6

Radius: 8.6

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.04 AU - 1.26 AU

Year: 836 Days

Day: 12.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,331,856 km

• M1: 108,010 km (0.083 R)
• M2: 470,037 km (0.086 R)
• M3: 751,580 km (0.076 R)
• M4: 1,157,140 km (0.064 R)
• M5: 1,449,005 km (0.095 R)
• M6: 1,755,681 km (0.088 R)
• M7: 2,436,800 km (0.113 R)
• M8: 2,778,332 km (0.112 R)
• M9: 3,350,843 km (0.118 R)
• M10: 3,848,704 km (0.092 R)
• M11: 4,154,931 km (0.103 R)
• M12: 4,527,131 km (0.051 R)
• M13: 5,209,147 km (0.05 R)
• M14: 6,059,013 km (0.048 R)
• M15: 6,453,353 km (0.07 R)
• M16: 6,909,028 km (0.094 R)
• M17: 8,080,828 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.6

Radius: 8.8

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.38 AU - 1.56 AU

Year: 1209 Days

Day: 10.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,331,856 km

• M1: 109,506 km (0.076 R)
• M2: 406,906 km (0.096 R)
• M3: 861,983 km (0.083 R)
• M4: 1,483,562 km (0.098 R)
• M5: 1,852,171 km (0.068 R)
• M6: 2,817,078 km (0.054 R)
• M7: 3,791,857 km (0.117 R)
• M8: 4,430,939 km (0.085 R)
• M9: 5,139,884 km (0.064 R)
• M10: 6,707,819 km (0.072 R)
• M11: 7,860,620 km (0.092 R)
• M12: 10,894,166 km (0.081 R)
• M13: 11,561,522 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.5

Radius: 10.4

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.12 AU - 1.82 AU

Year: 1209 Days

Day: 13.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,331,856 km

• M1: 130,001 km (0.117 R)
• M2: 491,429 km (0.12 R)
• M3: 854,353 km (0.04 R)
• M4: 1,185,114 km (0.085 R)
• M5: 1,749,098 km (0.081 R)
• M6: 2,088,685 km (0.032 R)
• M7: 2,460,885 km (0.036 R)
• M8: 2,944,535 km (0.053 R)
• M9: 3,415,170 km (0.097 R)
• M10: 3,772,559 km (0.064 R)
• M11: 4,120,524 km (0.082 R)
• M12: 4,862,679 km (0.098 R)
• M13: 5,501,761 km (0.111 R)
• M14: 5,841,946 km (0.114 R)
• M15: 6,682,686 km (0.047 R)
• M16: 7,396,568 km (0.027 R)
• M17: 8,025,178 km (0.096 R)
• M18: 8,831,809 km (0.1 R)
• M19: 9,722,216 km (0.116 R)
• M20: 11,337,723 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.5

Radius: 12.5

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.4 AU - 2.16 AU

Year: 1611 Days

Day: 7.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,331,856 km

• M1: 155,582 km (0.066 R)
• M2: 621,729 km (0.066 R)
• M3: 1,912,609 km (0.038 R)
• M4: 2,321,609 km (0.061 R)
• M5: 3,548,312 km (0.119 R)
• M6: 4,422,263 km (0.114 R)
• M7: 4,871,804 km (0.055 R)
• M8: 6,430,464 km (0.057 R)
• M9: 6,910,524 km (0.116 R)
• M10: 7,311,746 km (0.046 R)
• M11: 8,524,535 km (0.088 R)
• M12: 9,254,124 km (0.071 R)
• M13: 10,088,282 km (0.078 R)
• M14: 10,671,714 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15

Radius: 9.7

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.17 AU - 3.45 AU

Year: 3195 Days

Day: 5.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,331,856 km

• M1: 121,623 km (0.106 R)
• M2: 444,754 km (0.062 R)
• M3: 1,154,447 km (0.081 R)
• M4: 2,096,165 km (0.097 R)
• M5: 3,174,168 km (0.115 R)
• M6: 4,752,425 km (0.11 R)
• M7: 6,102,696 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17

Radius: 13.2

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4 AU - 6.66 AU

Year: 8346 Days

Day: 13.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,331,856 km

• M1: 172,187 km (0.04 R)
• M2: 1,070,223 km (0.052 R)
• M3: 1,815,221 km (0.111 R)
• M4: 2,266,258 km (0.079 R)
• M5: 6,784,712 km (0.061 R)
• M6: 8,785,733 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434.5

Radius: 5.8

Gravity: 12.92 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.97 AU - 7.57 AU

Year: 10649 Days

Day: 17.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 61,331,856 km

• M1: 85,570 km (0.074 R)
• M2: 339,288 km (0.08 R)
• M3: 528,679 km (0.076 R)
• M4: 879,037 km (0.115 R)
• M5: 1,107,024 km (0.098 R)
• M6: 1,399,488 km (0.057 R)
• M7: 2,261,471 km (0.119 R)
• M8: 2,595,822 km (0.082 R)
• M9: 2,962,636 km (0.073 R)
• M10: 3,317,183 km (0.049 R)
• M11: 4,410,744 km (0.051 R)
• M12: 4,933,289 km (0.104 R)
• M13: 5,626,675 km (0.062 R)
• M14: 6,170,463 km (0.116 R)
• M15: 6,527,703 km (0.117 R)
• M16: 7,127,890 km (0.063 R)
• M17: 8,222,946 km (0.064 R)
• M18: 8,788,426 km (0.036 R)
• M19: 9,058,001 km (0.103 R)
• M20: 9,899,789 km (0.06 R)
• M21: 11,955,563 km (0.119 R)
• M22: 13,316,754 km (0.068 R)
• M23: 13,553,268 km (0.098 R)
• M24: 14,403,133 km (0.1 R)
• M25: 17,445,804 km (0.072 R)
• M26: 18,744,763 km (0.108 R)
• M27: 18,967,364 km (0.11 R)
• M28: 19,722,086 km (0.093 R)
• M29: 20,418,314 km (0.108 R)
• M30: 23,196,646 km (0.05 R)
• M31: 25,574,803 km (0.076 R)
• M32: 26,402,379 km (0.093 R)
• M33: 29,289,917 km (0.08 R)
• M34: 30,809,532 km (0.108 R)
• M35: 31,536,428 km (0.09 R)
• M36: 33,457,863 km (0.045 R)
• M37: 34,225,749 km (0.118 R)
• M38: 34,893,255 km (0.101 R)
• M39: 35,910,670 km (0.069 R)
• M40: 40,796,985 km (0.112 R)
• M41: 41,925,701 km (0.04 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.9

Radius: 3.7

Gravity: 45.87 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.33 AU - 9.51 AU

Year: 15117 Days

Day: 15.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 61,331,856 km

• M1: 46,824 km (0.1 R)
• M2: 168,597 km (0.091 R)
• M3: 368,908 km (0.026 R)
• M4: 507,436 km (0.092 R)
• M5: 707,598 km (0.042 R)
• M6: 1,110,764 km (0.037 R)
• M7: 1,320,500 km (0.114 R)
• M8: 1,449,903 km (0.115 R)
• M9: 2,350,033 km (0.098 R)
• M10: 3,516,148 km (0.081 R)
• M11: 4,717,569 km (0.101 R)
• M12: 8,713,178 km (0.114 R)
• M13: 9,067,127 km (0.086 R)
• M14: 9,273,722 km (0.099 R)
• M15: 9,966,809 km (0.111 R)
• M16: 12,568,914 km (0.113 R)
• M17: 13,020,699 km (0.079 R)
• M18: 13,684,914 km (0.086 R)
• M19: 14,441,131 km (0.094 R)
• M20: 15,008,406 km (0.074 R)
• M21: 16,644,708 km (0.088 R)
• M22: 18,313,921 km (0.032 R)
• M23: 18,478,479 km (0.097 R)
• M24: 18,894,211 km (0.099 R)
• M25: 23,985,326 km (0.082 R)
• M26: 24,281,380 km (0.111 R)
• M27: 24,779,990 km (0.056 R)
• M28: 24,981,348 km (0.071 R)
• M29: 25,285,481 km (0.116 R)
• M30: 27,916,159 km (0.116 R)
• M31: 30,607,874 km (0.096 R)
• M32: 34,835,809 km (0.052 R)
• M33: 38,485,847 km (0.053 R)
• M34: 40,962,141 km (0.102 R)
• M35: 43,542,555 km (0.109 R)
• M36: 45,171,675 km (0.062 R)
• M37: 47,924,276 km (0.086 R)
• M38: 49,980,499 km (0.117 R)
• M39: 50,141,018 km (0.08 R)
• M40: 54,267,824 km (0.103 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 16,702 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit