🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.1

Radius: 13.4

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.63 AU - 0.87 AU

Year: 433 Days

Day: 11.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,272,660 km

• M1: 166,951 km (0.04 R)
• M2: 700,866 km (0.11 R)
• M3: 1,168,659 km (0.12 R)
• M4: 1,744,910 km (0.115 R)
• M5: 2,332,680 km (0.104 R)
• M6: 2,858,217 km (0.117 R)
• M7: 3,826,265 km (0.065 R)
• M8: 4,360,479 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.2

Radius: 9.4

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.06 AU - 1.14 AU

Year: 769 Days

Day: 8.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,272,660 km

• M1: 118,930 km (0.118 R)
• M2: 416,032 km (0.104 R)
• M3: 1,272,928 km (0.101 R)
• M4: 1,788,443 km (0.084 R)
• M5: 2,249,952 km (0.107 R)
• M6: 3,066,756 km (0.12 R)
• M7: 5,190,298 km (0.108 R)
• M8: 6,191,407 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66

Radius: 14.2

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.09 AU - 1.19 AU

Year: 812 Days

Day: 8.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 84,272,660 km

• M1: 181,761 km (0.081 R)
• M2: 982,260 km (0.063 R)
• M3: 1,488,798 km (0.092 R)
• M4: 2,195,349 km (0.111 R)
• M5: 3,177,309 km (0.091 R)
• M6: 4,119,477 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.3

Radius: 13.6

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.42 AU - 1.5 AU

Year: 1176 Days

Day: 12.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 84,272,660 km

• M1: 169,195 km (0.07 R)
• M2: 702,811 km (0.104 R)
• M3: 1,352,514 km (0.071 R)
• M4: 2,172,011 km (0.076 R)
• M5: 2,786,111 km (0.101 R)
• M6: 4,493,770 km (0.101 R)
• M7: 4,969,043 km (0.029 R)
• M8: 6,317,967 km (0.066 R)
• M9: 7,552,598 km (0.118 R)
• M10: 7,980,149 km (0.066 R)
• M11: 8,594,248 km (0.063 R)
• M12: 10,236,384 km (0.095 R)
• M13: 11,269,058 km (0.119 R)
• M14: 12,007,323 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.3

Radius: 9.5

Gravity: 8.6 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.46 AU - 2.22 AU

Year: 1664 Days

Day: 6 Hours

Environment

Temp: -196 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,272,660 km

• M1: 118,182 km (0.087 R)
• M2: 416,780 km (0.117 R)
• M3: 789,428 km (0.067 R)
• M4: 1,229,694 km (0.114 R)
• M5: 1,656,048 km (0.09 R)
• M6: 2,179,342 km (0.113 R)
• M7: 3,168,184 km (0.071 R)
• M8: 3,642,110 km (0.111 R)
• M9: 4,200,409 km (0.102 R)
• M10: 4,732,229 km (0.072 R)
• M11: 5,533,326 km (0.086 R)
• M12: 7,403,449 km (0.043 R)
• M13: 7,915,523 km (0.1 R)
• M14: 10,766,260 km (0.082 R)
• M15: 12,147,048 km (0.056 R)
• M16: 12,619,179 km (0.089 R)
• M17: 14,152,557 km (0.07 R)
• M18: 14,631,420 km (0.068 R)
• M19: 15,076,174 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.1

Radius: 11.6

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.33 AU - 6.55 AU

Year: 8461 Days

Day: 7 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 84,272,660 km

• M1: 144,661 km (0.118 R)
• M2: 739,163 km (0.091 R)
• M3: 1,113,607 km (0.08 R)
• M4: 2,033,334 km (0.046 R)
• M5: 2,404,337 km (0.075 R)
• M6: 3,147,838 km (0.106 R)
• M7: 3,699,256 km (0.097 R)
• M8: 4,230,329 km (0.062 R)
• M9: 5,250,137 km (0.119 R)
• M10: 6,316,471 km (0.095 R)
• M11: 6,843,205 km (0.115 R)
• M12: 7,439,801 km (0.117 R)
• M13: 8,333,050 km (0.032 R)
• M14: 9,013,870 km (0.092 R)
• M15: 13,471,139 km (0.083 R)
• M16: 13,841,244 km (0.039 R)
• M17: 15,390,479 km (0.081 R)
• M18: 16,000,240 km (0.042 R)
• M19: 18,149,962 km (0.101 R)
• M20: 20,893,437 km (0.065 R)
• M21: 23,102,698 km (0.113 R)
• M22: 26,509,042 km (0.045 R)
• M23: 28,991,469 km (0.112 R)
• M24: 30,872,363 km (0.085 R)
• M25: 31,951,712 km (0.093 R)
• M26: 32,833,142 km (0.085 R)
• M27: 36,402,398 km (0.107 R)
• M28: 39,337,658 km (0.091 R)
• M29: 40,862,808 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.3

Radius: 13.2

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.46 AU - 6.62 AU

Year: 8695 Days

Day: 14.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,272,660 km

• M1: 192,981 km (0.067 R)
• M2: 730,486 km (0.107 R)
• M3: 1,285,046 km (0.109 R)
• M4: 1,755,381 km (0.118 R)
• M5: 2,280,620 km (0.112 R)
• M6: 3,170,428 km (0.051 R)
• M7: 5,691,152 km (0.082 R)
• M8: 7,087,798 km (0.079 R)
• M9: 7,848,802 km (0.086 R)
• M10: 9,906,521 km (0.043 R)
• M11: 10,418,445 km (0.106 R)
• M12: 11,219,392 km (0.036 R)
• M13: 12,013,158 km (0.073 R)
• M14: 13,248,238 km (0.12 R)
• M15: 14,840,109 km (0.038 R)
• M16: 15,854,382 km (0.032 R)
• M17: 17,400,626 km (0.119 R)
• M18: 19,175,754 km (0.074 R)
• M19: 19,905,193 km (0.084 R)
• M20: 20,860,226 km (0.099 R)
• M21: 22,204,962 km (0.091 R)
• M22: 26,342,091 km (0.069 R)
• M23: 28,421,052 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 803.7

Radius: 6.5

Gravity: 19.02 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.99 AU - 7.05 AU

Year: 11102 Days

Day: 21 Hours

Environment

Temp: -237 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 84,272,660 km

• M1: 82,279 km (0.069 R)
• M2: 332,855 km (0.115 R)
• M3: 697,276 km (0.072 R)
• M4: 999,613 km (0.083 R)
• M5: 1,646,923 km (0.112 R)
• M6: 2,226,914 km (0.11 R)
• M7: 2,691,116 km (0.094 R)
• M8: 3,217,850 km (0.051 R)
• M9: 5,045,787 km (0.11 R)
• M10: 5,314,764 km (0.089 R)
• M11: 7,092,734 km (0.116 R)
• M12: 8,650,796 km (0.075 R)
• M13: 9,739,420 km (0.051 R)
• M14: 10,860,955 km (0.069 R)
• M15: 11,253,350 km (0.091 R)
• M16: 11,655,021 km (0.118 R)
• M17: 13,042,541 km (0.091 R)
• M18: 14,136,400 km (0.092 R)
• M19: 15,151,272 km (0.112 R)
• M20: 15,500,135 km (0.061 R)
• M21: 18,724,866 km (0.1 R)
• M22: 20,198,256 km (0.089 R)
• M23: 22,550,832 km (0.059 R)
• M24: 23,189,316 km (0.068 R)
• M25: 25,666,656 km (0.1 R)
• M26: 27,688,322 km (0.07 R)
• M27: 30,251,681 km (0.064 R)
• M28: 30,693,743 km (0.119 R)
• M29: 33,554,653 km (0.087 R)
• M30: 34,626,671 km (0.077 R)
• M31: 36,091,384 km (0.113 R)
• M32: 36,838,924 km (0.085 R)
• M33: 38,883,030 km (0.108 R)
• M34: 47,966,014 km (0.072 R)
• M35: 51,334,061 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.8

Radius: 3.6

Gravity: 32.62 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 8.16 AU - 9.35 AU

Year: 17260 Days

Day: 20.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 84,272,660 km

• M1: 129,402 km (0.109 R)
• M2: 392,694 km (0.115 R)
• M3: 796,609 km (0.07 R)
• M4: 1,693,298 km (0.073 R)
• M5: 2,290,493 km (0.09 R)
• M6: 2,454,303 km (0.109 R)
• M7: 2,874,673 km (0.083 R)
• M8: 3,065,410 km (0.077 R)
• M9: 3,498,795 km (0.114 R)
• M10: 3,885,356 km (0.118 R)
• M11: 4,361,227 km (0.119 R)
• M12: 5,356,202 km (0.064 R)
• M13: 5,499,517 km (0.069 R)
• M14: 5,645,225 km (0.079 R)
• M15: 5,793,626 km (0.058 R)
• M16: 8,295,352 km (0.095 R)
• M17: 11,375,572 km (0.108 R)
• M18: 11,913,226 km (0.053 R)
• M19: 14,233,489 km (0.036 R)
• M20: 19,658,357 km (0.119 R)
• M21: 21,583,382 km (0.043 R)
• M22: 24,998,253 km (0.093 R)
• M23: 26,006,991 km (0.1 R)
• M24: 27,677,102 km (0.091 R)
• M25: 34,575,808 km (0.12 R)
• M26: 40,717,997 km (0.12 R)
• M27: 42,678,926 km (0.05 R)
• M28: 49,406,941 km (0.107 R)
• M29: 50,513,217 km (0.093 R)
• M30: 51,474,533 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.9

Radius: 4.5

Gravity: 44.19 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 7.84 AU - 11.72 AU

Year: 20396 Days

Day: 18.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 84,272,660 km

• M1: 55,950 km (0.072 R)
• M2: 201,508 km (0.113 R)
• M3: 522,994 km (0.119 R)
• M4: 824,733 km (0.111 R)
• M5: 1,028,037 km (0.111 R)
• M6: 1,220,120 km (0.08 R)
• M7: 1,605,484 km (0.114 R)
• M8: 3,484,284 km (0.094 R)
• M9: 4,117,681 km (0.067 R)
• M10: 4,391,296 km (0.058 R)
• M11: 4,532,666 km (0.032 R)
• M12: 6,118,852 km (0.114 R)
• M13: 6,430,016 km (0.112 R)
• M14: 9,663,723 km (0.031 R)
• M15: 10,394,658 km (0.079 R)
• M16: 10,709,861 km (0.11 R)
• M17: 11,626,298 km (0.105 R)
• M18: 12,736,314 km (0.1 R)
• M19: 13,317,053 km (0.108 R)
• M20: 15,652,276 km (0.119 R)
• M21: 16,066,363 km (0.097 R)
• M22: 16,829,910 km (0.101 R)
• M23: 17,002,845 km (0.079 R)
• M24: 21,517,709 km (0.109 R)
• M25: 27,362,647 km (0.098 R)
• M26: 29,066,268 km (0.09 R)
• M27: 29,565,775 km (0.09 R)
• M28: 30,325,583 km (0.11 R)
• M29: 31,884,243 km (0.119 R)
• M30: 34,879,043 km (0.093 R)
• M31: 35,160,287 km (0.073 R)
• M32: 37,025,024 km (0.061 R)
• M33: 42,852,310 km (0.111 R)
• M34: 44,481,431 km (0.06 R)
• M35: 50,149,993 km (0.046 R)
• M36: 50,328,912 km (0.054 R)
• M37: 52,509,152 km (0.081 R)
• M38: 55,896,197 km (0.094 R)
• M39: 56,088,580 km (0.058 R)
• M40: 68,014,971 km (0.119 R)
• M41: 72,947,512 km (0.088 R)
• M42: 79,320,082 km (0.067 R)
• M43: 82,019,277 km (0.149 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 17,977 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit