🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.6

Radius: 11.7

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.51 AU - 0.53 AU

Year: 264 Days

Day: 6.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,915,758 km

• M1: 145,559 km (0.112 R)
• M2: 545,583 km (0.103 R)
• M3: 1,101,190 km (0.077 R)
• M4: 1,495,979 km (0.043 R)
• M5: 1,868,926 km (0.069 R)
• M6: 2,267,754 km (0.093 R)
• M7: 2,698,895 km (0.119 R)
• M8: 3,073,937 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.6

Radius: 12.4

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.12 AU - 1.72 AU

Year: 1189 Days

Day: 14.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,915,758 km

• M1: 154,235 km (0.032 R)
• M2: 672,442 km (0.046 R)
• M3: 1,079,199 km (0.065 R)
• M4: 1,711,848 km (0.04 R)
• M5: 2,285,855 km (0.066 R)
• M6: 2,733,602 km (0.108 R)
• M7: 3,342,615 km (0.097 R)
• M8: 4,006,829 km (0.078 R)
• M9: 4,589,064 km (0.1 R)
• M10: 5,067,329 km (0.103 R)
• M11: 5,494,580 km (0.097 R)
• M12: 6,306,448 km (0.079 R)
• M13: 7,685,441 km (0.109 R)
• M14: 8,502,395 km (0.079 R)
• M15: 9,436,783 km (0.06 R)
• M16: 10,149,617 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.1

Radius: 11.8

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.54 AU - 1.9 AU

Year: 1586 Days

Day: 8.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,915,758 km

• M1: 146,905 km (0.088 R)
• M2: 523,144 km (0.042 R)
• M3: 1,095,804 km (0.092 R)
• M4: 1,660,536 km (0.08 R)
• M5: 2,081,056 km (0.093 R)
• M6: 2,753,947 km (0.097 R)
• M7: 3,253,006 km (0.112 R)
• M8: 3,635,976 km (0.071 R)
• M9: 4,238,706 km (0.062 R)
• M10: 4,822,437 km (0.1 R)
• M11: 5,345,581 km (0.084 R)
• M12: 5,810,082 km (0.083 R)
• M13: 6,982,032 km (0.096 R)
• M14: 7,452,966 km (0.107 R)
• M15: 7,974,614 km (0.1 R)
• M16: 8,771,073 km (0.033 R)
• M17: 9,721,318 km (0.112 R)
• M18: 10,558,468 km (0.086 R)
• M19: 13,234,026 km (0.086 R)
• M20: 14,616,610 km (0.113 R)
• M21: 15,389,283 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.6

Radius: 12.9

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.1 AU - 2.56 AU

Year: 2500 Days

Day: 7.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,915,758 km

• M1: 160,369 km (0.117 R)
• M2: 648,656 km (0.08 R)
• M3: 1,762,562 km (0.117 R)
• M4: 3,077,976 km (0.094 R)
• M5: 3,538,738 km (0.054 R)
• M6: 4,211,330 km (0.056 R)
• M7: 5,255,523 km (0.086 R)
• M8: 7,136,267 km (0.069 R)
• M9: 7,982,393 km (0.113 R)
• M10: 8,514,812 km (0.118 R)
• M11: 9,725,208 km (0.091 R)
• M12: 13,998,022 km (0.105 R)
• M13: 19,089,885 km (0.062 R)
• M14: 20,904,956 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.1

Radius: 8

Gravity: 15.58 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.4 AU - 5.6 AU

Year: 6710 Days

Day: 12.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,915,758 km

• M1: 99,483 km (0.102 R)
• M2: 412,292 km (0.036 R)
• M3: 812,765 km (0.098 R)
• M4: 1,081,443 km (0.088 R)
• M5: 1,373,159 km (0.107 R)
• M6: 2,601,507 km (0.089 R)
• M7: 3,089,794 km (0.115 R)
• M8: 3,784,527 km (0.112 R)
• M9: 4,090,006 km (0.113 R)
• M10: 6,712,905 km (0.09 R)
• M11: 8,630,152 km (0.039 R)
• M12: 10,987,964 km (0.104 R)
• M13: 11,718,300 km (0.109 R)
• M14: 12,369,650 km (0.05 R)
• M15: 14,840,558 km (0.074 R)
• M16: 16,191,576 km (0.114 R)
• M17: 21,048,720 km (0.099 R)
• M18: 22,173,696 km (0.113 R)
• M19: 28,405,344 km (0.063 R)
• M20: 29,381,321 km (0.092 R)
• M21: 29,777,905 km (0.113 R)
• M22: 30,077,699 km (0.101 R)
• M23: 32,867,101 km (0.07 R)
• M24: 38,835,308 km (0.105 R)
• M25: 40,524,418 km (0.036 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.5

Radius: 4.4

Gravity: 20.43 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.88 AU - 7.68 AU

Year: 11062 Days

Day: 16.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,915,758 km

• M1: 54,902 km (0.047 R)
• M2: 307,573 km (0.102 R)
• M3: 830,418 km (0.094 R)
• M4: 990,637 km (0.07 R)
• M5: 1,946,268 km (0.118 R)
• M6: 2,094,221 km (0.09 R)
• M7: 2,702,486 km (0.083 R)
• M8: 3,888,497 km (0.045 R)
• M9: 4,286,577 km (0.056 R)
• M10: 6,330,832 km (0.081 R)
• M11: 6,694,355 km (0.117 R)
• M12: 8,118,377 km (0.097 R)
• M13: 8,330,956 km (0.091 R)
• M14: 8,634,639 km (0.029 R)
• M15: 9,264,447 km (0.067 R)
• M16: 10,614,867 km (0.086 R)
• M17: 11,284,467 km (0.113 R)
• M18: 11,764,077 km (0.092 R)
• M19: 13,520,656 km (0.115 R)
• M20: 14,061,601 km (0.062 R)
• M21: 14,931,663 km (0.07 R)
• M22: 18,550,884 km (0.086 R)
• M23: 21,397,731 km (0.054 R)
• M24: 21,721,910 km (0.111 R)
• M25: 27,938,599 km (0.074 R)
• M26: 31,137,600 km (0.1 R)
• M27: 31,658,500 km (0.041 R)
• M28: 32,185,234 km (0.087 R)
• M29: 36,037,080 km (0.068 R)
• M30: 38,251,278 km (0.116 R)
• M31: 42,692,390 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944

Radius: 3.2

Gravity: 92.19 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.62 AU - 7.58 AU

Year: 13298 Days

Day: 24.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 74,915,758 km

• M1: 39,943 km (0.093 R)
• M2: 162,762 km (0.106 R)
• M3: 275,260 km (0.099 R)
• M4: 540,198 km (0.044 R)
• M5: 1,266,795 km (0.075 R)
• M6: 1,485,507 km (0.06 R)
• M7: 1,797,867 km (0.056 R)
• M8: 2,212,104 km (0.067 R)
• M9: 3,747,277 km (0.099 R)
• M10: 4,165,553 km (0.092 R)
• M11: 4,515,313 km (0.111 R)
• M12: 6,732,802 km (0.099 R)
• M13: 7,169,029 km (0.115 R)
• M14: 7,764,129 km (0.099 R)
• M15: 8,692,085 km (0.033 R)
• M16: 10,022,459 km (0.098 R)
• M17: 10,765,212 km (0.105 R)
• M18: 11,605,204 km (0.103 R)
• M19: 12,552,757 km (0.11 R)
• M20: 13,482,508 km (0.045 R)
• M21: 18,238,224 km (0.063 R)
• M22: 19,515,341 km (0.05 R)
• M23: 24,504,430 km (0.076 R)
• M24: 25,951,341 km (0.082 R)
• M25: 28,562,273 km (0.116 R)
• M26: 28,674,770 km (0.097 R)
• M27: 29,127,453 km (0.052 R)
• M28: 31,462,826 km (0.098 R)
• M29: 31,944,381 km (0.092 R)
• M30: 33,418,519 km (0.058 R)
• M31: 33,794,009 km (0.104 R)
• M32: 34,045,932 km (0.069 R)
• M33: 34,172,342 km (0.063 R)
• M34: 45,485,532 km (0.066 R)
• M35: 46,566,376 km (0.08 R)
• M36: 57,074,131 km (0.119 R)
• M37: 57,610,589 km (0.11 R)
• M38: 60,158,091 km (0.107 R)
• M39: 62,400,713 km (0.084 R)
• M40: 63,926,162 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.4

Radius: 4.1

Gravity: 44.22 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 7.37 AU - 8.55 AU

Year: 15786 Days

Day: 23.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 74,915,758 km

• M1: 51,611 km (0.111 R)
• M2: 340,036 km (0.097 R)
• M3: 771,327 km (0.073 R)
• M4: 905,965 km (0.116 R)
• M5: 1,265,000 km (0.113 R)
• M6: 1,453,942 km (0.119 R)
• M7: 1,746,854 km (0.075 R)
• M8: 2,156,603 km (0.096 R)
• M9: 2,493,049 km (0.112 R)
• M10: 2,767,411 km (0.1 R)
• M11: 2,936,756 km (0.044 R)
• M12: 5,282,899 km (0.089 R)
• M13: 6,979,189 km (0.113 R)
• M14: 7,998,400 km (0.105 R)
• M15: 12,023,031 km (0.039 R)
• M16: 12,150,788 km (0.114 R)
• M17: 14,393,110 km (0.055 R)
• M18: 16,109,447 km (0.103 R)
• M19: 17,299,348 km (0.105 R)
• M20: 17,957,429 km (0.086 R)
• M21: 19,498,886 km (0.053 R)
• M22: 19,942,144 km (0.095 R)
• M23: 23,433,908 km (0.102 R)
• M24: 25,166,551 km (0.08 R)
• M25: 26,656,097 km (0.089 R)
• M26: 27,092,174 km (0.066 R)
• M27: 27,312,083 km (0.085 R)
• M28: 29,692,784 km (0.118 R)
• M29: 30,873,560 km (0.113 R)
• M30: 32,085,303 km (0.098 R)
• M31: 33,834,550 km (0.104 R)
• M32: 34,474,381 km (0.084 R)
• M33: 37,114,484 km (0.101 R)
• M34: 48,536,281 km (0.108 R)
• M35: 49,513,604 km (0.095 R)
• M36: 51,339,147 km (0.051 R)
• M37: 57,808,656 km (0.106 R)
• M38: 64,996,984 km (0.037 R)
• M39: 65,786,561 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602

Radius: 6.1

Gravity: 16.18 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 8.8 AU - 10.36 AU

Year: 20843 Days

Day: 21.1 Hours

Environment

Temp: -245 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,915,758 km

• M1: 76,445 km (0.095 R)
• M2: 276,906 km (0.073 R)
• M3: 788,979 km (0.041 R)
• M4: 1,162,974 km (0.119 R)
• M5: 1,548,936 km (0.097 R)
• M6: 2,437,398 km (0.094 R)
• M7: 3,836,138 km (0.108 R)
• M8: 4,549,570 km (0.102 R)
• M9: 5,386,271 km (0.082 R)
• M10: 6,760,178 km (0.069 R)
• M11: 8,773,317 km (0.077 R)
• M12: 9,657,141 km (0.099 R)
• M13: 9,945,117 km (0.087 R)
• M14: 11,600,567 km (0.113 R)
• M15: 12,800,940 km (0.094 R)
• M16: 13,289,527 km (0.084 R)
• M17: 14,008,793 km (0.084 R)
• M18: 17,230,683 km (0.025 R)
• M19: 19,238,436 km (0.103 R)
• M20: 20,534,103 km (0.099 R)
• M21: 21,203,254 km (0.075 R)
• M22: 22,484,261 km (0.108 R)
• M23: 23,504,219 km (0.062 R)
• M24: 30,157,584 km (0.062 R)
• M25: 38,250,380 km (0.112 R)
• M26: 50,730,284 km (0.115 R)
• M27: 51,951,451 km (0.087 R)
• M28: 53,729,870 km (0.111 R)
• M29: 55,181,568 km (0.079 R)
• M30: 55,917,141 km (0.04 R)
• M31: 56,659,146 km (0.109 R)
• M32: 68,591,671 km (0.104 R)
• M33: 73,798,724 km (0.111 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 16,200 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit