🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.5

Radius: 13.6

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.76 AU - 1.02 AU

Year: 534 Days

Day: 14.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,772,894 km

• M1: 169,195 km (0.117 R)
• M2: 644,617 km (0.099 R)
• M3: 1,319,902 km (0.103 R)
• M4: 2,048,444 km (0.117 R)
• M5: 2,647,583 km (0.035 R)
• M6: 3,778,693 km (0.098 R)
• M7: 4,202,354 km (0.117 R)
• M8: 4,702,459 km (0.03 R)
• M9: 5,585,685 km (0.104 R)
• M10: 6,067,390 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.2

Radius: 11.2

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.79 AU - 1.23 AU

Year: 645 Days

Day: 11.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,772,894 km

• M1: 143,016 km (0.117 R)
• M2: 581,038 km (0.088 R)
• M3: 984,504 km (0.112 R)
• M4: 1,410,858 km (0.067 R)
• M5: 2,015,233 km (0.084 R)
• M6: 2,785,812 km (0.113 R)
• M7: 4,017,451 km (0.117 R)
• M8: 5,201,368 km (0.114 R)
• M9: 5,903,282 km (0.083 R)
• M10: 6,460,085 km (0.041 R)
• M11: 7,249,363 km (0.101 R)
• M12: 7,794,947 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.6

Radius: 12.2

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.05 AU - 1.73 AU

Year: 1042 Days

Day: 12.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,772,894 km

• M1: 152,141 km (0.047 R)
• M2: 655,089 km (0.055 R)
• M3: 1,171,651 km (0.105 R)
• M4: 2,452,059 km (0.115 R)
• M5: 3,201,394 km (0.068 R)
• M6: 3,878,474 km (0.101 R)
• M7: 4,528,028 km (0.081 R)
• M8: 6,235,090 km (0.035 R)
• M9: 7,151,676 km (0.093 R)
• M10: 7,978,204 km (0.113 R)
• M11: 8,840,337 km (0.04 R)
• M12: 9,648,315 km (0.067 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299.2

Radius: 3.2

Gravity: 29.22 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.62 AU - 7.4 AU

Year: 11801 Days

Day: 20.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,772,894 km

• M1: 40,242 km (0.069 R)
• M2: 156,031 km (0.058 R)
• M3: 318,045 km (0.058 R)
• M4: 553,063 km (0.09 R)
• M5: 769,531 km (0.081 R)
• M6: 1,049,878 km (0.057 R)
• M7: 2,898,010 km (0.088 R)
• M8: 5,646,572 km (0.093 R)
• M9: 6,183,329 km (0.063 R)
• M10: 6,393,215 km (0.091 R)
• M11: 7,997,053 km (0.081 R)
• M12: 8,457,665 km (0.028 R)
• M13: 8,891,499 km (0.081 R)
• M14: 10,977,791 km (0.068 R)
• M15: 12,242,641 km (0.033 R)
• M16: 15,501,331 km (0.101 R)
• M17: 16,481,048 km (0.057 R)
• M18: 17,293,813 km (0.113 R)
• M19: 19,367,988 km (0.099 R)
• M20: 21,284,187 km (0.089 R)
• M21: 22,656,897 km (0.073 R)
• M22: 29,127,304 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.8

Radius: 3.6

Gravity: 13.8 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 7.63 AU - 8.41 AU

Year: 14441 Days

Day: 23.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,772,894 km

• M1: 44,730 km (0.064 R)
• M2: 168,896 km (0.111 R)
• M3: 300,393 km (0.109 R)
• M4: 484,099 km (0.12 R)
• M5: 755,918 km (0.099 R)
• M6: 875,596 km (0.058 R)
• M7: 1,325,736 km (0.086 R)
• M8: 1,678,189 km (0.034 R)
• M9: 2,509,355 km (0.067 R)
• M10: 3,131,233 km (0.098 R)
• M11: 3,374,778 km (0.116 R)
• M12: 3,678,761 km (0.111 R)
• M13: 15,821,770 km (0.109 R)
• M14: 18,739,228 km (0.099 R)
• M15: 21,129,353 km (0.028 R)
• M16: 29,796,006 km (0.088 R)
• M17: 30,884,331 km (0.116 R)
• M18: 33,667,599 km (0.06 R)
• M19: 35,065,292 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402.8

Radius: 6.1

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 8.42 AU - 12.52 AU

Year: 21540 Days

Day: 25 Hours

Environment

Temp: -224 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,772,894 km

• M1: 99,782 km (0.057 R)
• M2: 446,849 km (0.098 R)
• M3: 686,654 km (0.088 R)
• M4: 922,121 km (0.106 R)
• M5: 1,279,062 km (0.089 R)
• M6: 1,513,332 km (0.025 R)
• M7: 2,068,939 km (0.068 R)
• M8: 2,372,473 km (0.115 R)
• M9: 3,043,718 km (0.089 R)
• M10: 3,776,000 km (0.086 R)
• M11: 5,507,146 km (0.063 R)
• M12: 6,131,867 km (0.095 R)
• M13: 6,461,282 km (0.112 R)
• M14: 8,043,728 km (0.057 R)
• M15: 8,641,072 km (0.075 R)
• M16: 9,320,995 km (0.09 R)
• M17: 13,401,276 km (0.109 R)
• M18: 16,804,628 km (0.098 R)
• M19: 17,287,231 km (0.027 R)
• M20: 18,111,814 km (0.069 R)
• M21: 19,750,509 km (0.071 R)
• M22: 22,729,751 km (0.092 R)
• M23: 23,518,730 km (0.089 R)
• M24: 24,122,357 km (0.104 R)
• M25: 24,839,679 km (0.105 R)
• M26: 27,739,634 km (0.102 R)
• M27: 30,857,702 km (0.096 R)
• M28: 38,054,108 km (0.105 R)
• M29: 39,305,943 km (0.103 R)
• M30: 41,745,286 km (0.12 R)
• M31: 44,435,953 km (0.056 R)
• M32: 45,979,654 km (0.112 R)
• M33: 48,039,467 km (0.04 R)
• M34: 53,198,050 km (0.12 R)
• M35: 56,535,579 km (0.116 R)
• M36: 57,981,592 km (0.065 R)
• M37: 59,082,183 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 273.9

Radius: 7.3

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 10.44 AU - 11.5 AU

Year: 23102 Days

Day: 24.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,772,894 km

• M1: 90,806 km (0.12 R)
• M2: 426,653 km (0.088 R)
• M3: 1,053,618 km (0.074 R)
• M4: 2,091,079 km (0.105 R)
• M5: 2,801,220 km (0.106 R)
• M6: 3,366,401 km (0.05 R)
• M7: 8,458,563 km (0.05 R)
• M8: 10,010,940 km (0.068 R)
• M9: 14,008,793 km (0.113 R)
• M10: 15,498,788 km (0.106 R)
• M11: 17,169,946 km (0.077 R)
• M12: 20,070,649 km (0.107 R)
• M13: 26,505,003 km (0.115 R)
• M14: 28,885,254 km (0.102 R)
• M15: 30,703,317 km (0.089 R)
• M16: 35,836,320 km (0.051 R)
• M17: 38,605,077 km (0.108 R)
• M18: 49,336,331 km (0.101 R)
• M19: 54,608,459 km (0.036 R)
• M20: 55,292,719 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 283.7

Radius: 6

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 9.57 AU - 12.65 AU

Year: 23545 Days

Day: 19.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,772,894 km

• M1: 75,248 km (0.11 R)
• M2: 407,355 km (0.085 R)
• M3: 626,815 km (0.114 R)
• M4: 1,210,546 km (0.112 R)
• M5: 2,124,888 km (0.111 R)
• M6: 2,579,067 km (0.094 R)
• M7: 3,513,007 km (0.085 R)
• M8: 4,208,487 km (0.102 R)
• M9: 4,720,710 km (0.114 R)
• M10: 5,677,987 km (0.067 R)
• M11: 10,930,668 km (0.076 R)
• M12: 11,648,887 km (0.081 R)
• M13: 12,980,607 km (0.082 R)
• M14: 14,694,700 km (0.092 R)
• M15: 19,071,036 km (0.072 R)
• M16: 25,051,360 km (0.107 R)
• M17: 26,720,573 km (0.089 R)
• M18: 35,026,995 km (0.034 R)
• M19: 42,242,400 km (0.098 R)
• M20: 46,890,405 km (0.064 R)
• M21: 47,827,786 km (0.098 R)
• M22: 53,376,371 km (0.054 R)
• M23: 54,741,601 km (0.039 R)
• M24: 57,541,475 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 473.9

Radius: 5.4

Gravity: 16.25 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 8.74 AU - 13.7 AU

Year: 23896 Days

Day: 17 Hours

Environment

Temp: -234 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 75,772,894 km

• M1: 82,728 km (0.089 R)
• M2: 327,769 km (0.038 R)
• M3: 603,029 km (0.077 R)
• M4: 884,273 km (0.033 R)
• M5: 1,166,863 km (0.071 R)
• M6: 1,856,809 km (0.054 R)
• M7: 2,070,584 km (0.117 R)
• M8: 2,547,951 km (0.076 R)
• M9: 3,748,474 km (0.115 R)
• M10: 4,353,896 km (0.092 R)
• M11: 4,768,432 km (0.117 R)
• M12: 5,284,844 km (0.064 R)
• M13: 7,104,702 km (0.109 R)
• M14: 7,532,552 km (0.048 R)
• M15: 7,977,456 km (0.119 R)
• M16: 8,650,646 km (0.066 R)
• M17: 11,084,753 km (0.031 R)
• M18: 12,054,447 km (0.062 R)
• M19: 13,009,330 km (0.05 R)
• M20: 13,433,590 km (0.12 R)
• M21: 15,694,761 km (0.105 R)
• M22: 15,933,968 km (0.099 R)
• M23: 18,373,162 km (0.118 R)
• M24: 19,268,804 km (0.11 R)
• M25: 20,099,671 km (0.063 R)
• M26: 20,476,358 km (0.112 R)
• M27: 23,557,775 km (0.083 R)
• M28: 24,507,123 km (0.103 R)
• M29: 35,307,042 km (0.114 R)
• M30: 41,201,049 km (0.055 R)
• M31: 43,354,660 km (0.034 R)
• M32: 48,725,971 km (0.104 R)
• M33: 50,091,650 km (0.052 R)
• M34: 55,256,666 km (0.034 R)
• M35: 56,367,730 km (0.084 R)
• M36: 58,062,374 km (0.097 R)
• M37: 61,949,077 km (0.096 R)
• M38: 64,566,291 km (0.103 R)
• M39: 64,770,642 km (0.106 R)
• M40: 67,887,514 km (0.038 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 11,855 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit