🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.2

Radius: 11.2

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.64 AU - 0.66 AU

Year: 349 Days

Day: 9 Hours

Environment

Temp: -157 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 82,836,245 km

• M1: 144,512 km (0.03 R)
• M2: 502,200 km (0.101 R)
• M3: 853,605 km (0.087 R)
• M4: 1,312,871 km (0.069 R)
• M5: 1,766,003 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.3

Radius: 13.6

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.13 AU - 3.13 AU

Year: 2844 Days

Day: 5.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,836,245 km

• M1: 169,794 km (0.056 R)
• M2: 809,324 km (0.074 R)
• M3: 1,705,416 km (0.11 R)
• M4: 2,379,653 km (0.098 R)
• M5: 3,444,790 km (0.11 R)
• M6: 4,397,729 km (0.08 R)
• M7: 5,020,804 km (0.113 R)
• M8: 5,702,072 km (0.056 R)
• M9: 7,661,805 km (0.102 R)
• M10: 8,671,441 km (0.115 R)
• M11: 9,998,074 km (0.11 R)
• M12: 11,161,946 km (0.119 R)
• M13: 11,798,485 km (0.11 R)
• M14: 13,097,892 km (0.083 R)
• M15: 16,954,076 km (0.059 R)
• M16: 18,140,537 km (0.075 R)
• M17: 19,868,841 km (0.05 R)
• M18: 20,426,991 km (0.079 R)
• M19: 20,931,884 km (0.105 R)
• M20: 21,380,378 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.6

Radius: 12.9

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.57 AU - 5.25 AU

Year: 6176 Days

Day: 5.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,836,245 km

• M1: 160,668 km (0.116 R)
• M2: 768,634 km (0.088 R)
• M3: 1,419,684 km (0.117 R)
• M4: 2,281,218 km (0.095 R)
• M5: 2,943,488 km (0.1 R)
• M6: 3,989,326 km (0.107 R)
• M7: 4,884,969 km (0.083 R)
• M8: 5,725,559 km (0.097 R)
• M9: 6,776,933 km (0.112 R)
• M10: 9,516,369 km (0.097 R)
• M11: 9,966,061 km (0.05 R)
• M12: 14,726,414 km (0.072 R)
• M13: 17,905,968 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962

Radius: 9.2

Gravity: 11.37 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.13 AU - 4.99 AU

Year: 6493 Days

Day: 11.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 82,836,245 km

• M1: 114,442 km (0.105 R)
• M2: 502,350 km (0.104 R)
• M3: 869,762 km (0.068 R)
• M4: 1,176,587 km (0.096 R)
• M5: 1,776,924 km (0.059 R)
• M6: 2,404,935 km (0.079 R)
• M7: 2,820,369 km (0.047 R)
• M8: 3,152,177 km (0.099 R)
• M9: 3,486,977 km (0.071 R)
• M10: 4,149,995 km (0.116 R)
• M11: 5,101,437 km (0.117 R)
• M12: 5,438,631 km (0.102 R)
• M13: 5,889,219 km (0.027 R)
• M14: 6,469,659 km (0.096 R)
• M15: 8,232,520 km (0.097 R)
• M16: 8,611,751 km (0.114 R)
• M17: 9,224,654 km (0.038 R)
• M18: 10,586,742 km (0.047 R)
• M19: 12,078,382 km (0.072 R)
• M20: 14,479,877 km (0.098 R)
• M21: 14,785,506 km (0.112 R)
• M22: 24,850,600 km (0.104 R)
• M23: 26,091,514 km (0.077 R)
• M24: 27,373,418 km (0.043 R)
• M25: 27,841,211 km (0.107 R)
• M26: 29,766,087 km (0.09 R)
• M27: 33,557,944 km (0.103 R)
• M28: 36,182,639 km (0.029 R)
• M29: 37,430,285 km (0.113 R)
• M30: 38,472,084 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.3

Radius: 9.6

Gravity: 10.62 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.48 AU - 5.06 AU

Year: 6947 Days

Day: 9.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,836,245 km

• M1: 119,379 km (0.1 R)
• M2: 646,562 km (0.08 R)
• M3: 1,107,174 km (0.087 R)
• M4: 1,568,833 km (0.079 R)
• M5: 2,363,796 km (0.116 R)
• M6: 2,924,190 km (0.081 R)
• M7: 3,225,180 km (0.095 R)
• M8: 4,310,064 km (0.079 R)
• M9: 4,701,861 km (0.086 R)
• M10: 5,987,954 km (0.078 R)
• M11: 6,405,332 km (0.118 R)
• M12: 6,842,008 km (0.114 R)
• M13: 7,144,046 km (0.06 R)
• M14: 7,494,554 km (0.1 R)
• M15: 7,815,741 km (0.105 R)
• M16: 9,376,795 km (0.067 R)
• M17: 9,750,191 km (0.115 R)
• M18: 10,378,053 km (0.111 R)
• M19: 11,291,797 km (0.098 R)
• M20: 12,704,898 km (0.102 R)
• M21: 14,050,082 km (0.075 R)
• M22: 14,416,148 km (0.029 R)
• M23: 15,231,158 km (0.066 R)
• M24: 21,575,304 km (0.091 R)
• M25: 21,899,632 km (0.072 R)
• M26: 22,891,915 km (0.049 R)
• M27: 23,229,408 km (0.087 R)
• M28: 23,913,968 km (0.085 R)
• M29: 25,144,560 km (0.102 R)
• M30: 25,957,624 km (0.118 R)
• M31: 29,286,626 km (0.093 R)
• M32: 30,899,291 km (0.043 R)
• M33: 32,783,177 km (0.108 R)
• M34: 34,742,609 km (0.114 R)
• M35: 38,893,202 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496.6

Radius: 5.4

Gravity: 17.03 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 8.53 AU - 9.47 AU

Year: 18005 Days

Day: 20.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 82,836,245 km

• M1: 81,531 km (0.056 R)
• M2: 273,465 km (0.108 R)
• M3: 584,180 km (0.113 R)
• M4: 792,270 km (0.085 R)
• M5: 980,614 km (0.092 R)
• M6: 1,525,449 km (0.082 R)
• M7: 1,945,371 km (0.082 R)
• M8: 2,704,131 km (0.092 R)
• M9: 3,344,410 km (0.091 R)
• M10: 3,560,429 km (0.105 R)
• M11: 4,683,311 km (0.086 R)
• M12: 7,977,157 km (0.068 R)
• M13: 8,611,601 km (0.063 R)
• M14: 10,486,512 km (0.078 R)
• M15: 12,424,103 km (0.093 R)
• M16: 13,409,654 km (0.059 R)
• M17: 15,460,790 km (0.102 R)
• M18: 21,438,422 km (0.093 R)
• M19: 23,434,806 km (0.097 R)
• M20: 23,729,813 km (0.11 R)
• M21: 24,226,926 km (0.109 R)
• M22: 27,139,747 km (0.118 R)
• M23: 30,161,773 km (0.117 R)
• M24: 30,862,490 km (0.098 R)
• M25: 31,693,655 km (0.095 R)
• M26: 36,864,057 km (0.111 R)
• M27: 37,263,034 km (0.118 R)
• M28: 38,613,903 km (0.07 R)
• M29: 40,137,109 km (0.096 R)
• M30: 46,631,152 km (0.118 R)
• M31: 47,097,898 km (0.063 R)
• M32: 48,676,006 km (0.087 R)
• M33: 49,639,565 km (0.12 R)
• M34: 51,770,886 km (0.098 R)
• M35: 53,451,170 km (0.059 R)
• M36: 54,821,486 km (0.093 R)
• M37: 55,864,333 km (0.105 R)
• M38: 59,254,071 km (0.049 R)
• M39: 59,618,641 km (0.082 R)
• M40: 61,464,230 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.4

Radius: 3.5

Gravity: 71.3 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.05 AU - 10.97 AU

Year: 19557 Days

Day: 18.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 82,836,245 km

• M1: 43,533 km (0.117 R)
• M2: 323,281 km (0.099 R)
• M3: 478,863 km (0.059 R)
• M4: 873,652 km (0.069 R)
• M5: 1,071,121 km (0.109 R)
• M6: 1,328,279 km (0.104 R)
• M7: 2,394,164 km (0.076 R)
• M8: 2,631,427 km (0.1 R)
• M9: 3,043,419 km (0.07 R)
• M10: 3,556,689 km (0.088 R)
• M11: 4,536,705 km (0.096 R)
• M12: 5,050,424 km (0.119 R)
• M13: 5,642,682 km (0.119 R)
• M14: 5,808,287 km (0.077 R)
• M15: 5,934,398 km (0.091 R)
• M16: 9,542,998 km (0.119 R)
• M17: 9,956,935 km (0.11 R)
• M18: 10,321,056 km (0.09 R)
• M19: 11,400,854 km (0.057 R)
• M20: 11,732,363 km (0.055 R)
• M21: 12,978,662 km (0.1 R)
• M22: 13,486,398 km (0.072 R)
• M23: 14,310,682 km (0.095 R)
• M24: 16,984,594 km (0.064 R)
• M25: 19,499,334 km (0.11 R)
• M26: 22,149,012 km (0.106 R)
• M27: 26,385,324 km (0.076 R)
• M28: 27,909,128 km (0.118 R)
• M29: 28,269,061 km (0.087 R)
• M30: 37,859,930 km (0.086 R)
• M31: 39,493,090 km (0.029 R)
• M32: 49,234,604 km (0.101 R)
• M33: 52,989,511 km (0.097 R)
• M34: 53,725,682 km (0.036 R)
• M35: 62,688,090 km (0.109 R)
• M36: 64,760,021 km (0.075 R)
• M37: 65,390,276 km (0.078 R)
• M38: 68,603,489 km (0.071 R)
• M39: 77,446,967 km (0.052 R)
• M40: 81,041,056 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661.9

Radius: 3

Gravity: 73.54 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 8.76 AU - 12.5 AU

Year: 23112 Days

Day: 17.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,836,245 km

• M1: 48,919 km (0.047 R)
• M2: 300,393 km (0.06 R)
• M3: 1,974,243 km (0.101 R)
• M4: 2,077,615 km (0.115 R)
• M5: 2,433,060 km (0.1 R)
• M6: 3,932,629 km (0.09 R)
• M7: 4,334,150 km (0.082 R)
• M8: 7,482,138 km (0.109 R)
• M9: 8,362,222 km (0.112 R)
• M10: 12,087,209 km (0.085 R)
• M11: 13,147,708 km (0.103 R)
• M12: 22,671,109 km (0.065 R)
• M13: 23,841,712 km (0.111 R)
• M14: 24,386,846 km (0.096 R)
• M15: 25,276,206 km (0.11 R)
• M16: 26,071,917 km (0.119 R)
• M17: 26,650,412 km (0.091 R)
• M18: 27,119,401 km (0.098 R)
• M19: 27,237,434 km (0.102 R)
• M20: 27,833,133 km (0.087 R)
• M21: 40,705,581 km (0.109 R)
• M22: 50,886,165 km (0.102 R)
• M23: 52,335,469 km (0.102 R)
• M24: 54,185,546 km (0.06 R)
• M25: 62,226,730 km (0.118 R)
• M26: 63,051,314 km (0.111 R)
• M27: 63,883,228 km (0.099 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 15,626 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit