🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.5

Radius: 9.4

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.58 AU - 0.8 AU

Year: 382 Days

Day: 6.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,957,000 km

• M1: 116,836 km (0.068 R)
• M2: 415,882 km (0.073 R)
• M3: 780,901 km (0.1 R)
• M4: 1,397,693 km (0.086 R)
• M5: 1,856,360 km (0.102 R)
• M6: 2,499,930 km (0.064 R)
• M7: 2,802,118 km (0.034 R)
• M8: 3,317,632 km (0.041 R)
• M9: 4,040,489 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.9

Radius: 14.1

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.77 AU - 0.97 AU

Year: 541 Days

Day: 10.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,957,000 km

• M1: 175,777 km (0.105 R)
• M2: 617,091 km (0.116 R)
• M3: 1,134,251 km (0.055 R)
• M4: 2,050,089 km (0.03 R)
• M5: 3,077,976 km (0.116 R)
• M6: 3,980,500 km (0.088 R)
• M7: 4,647,407 km (0.113 R)
• M8: 5,295,166 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.5

Radius: 14.9

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.43 AU - 1.61 AU

Year: 1250 Days

Day: 14.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,957,000 km

• M1: 185,352 km (0.098 R)
• M2: 807,978 km (0.095 R)
• M3: 1,496,278 km (0.1 R)
• M4: 2,384,141 km (0.108 R)
• M5: 4,548,822 km (0.099 R)
• M6: 5,034,716 km (0.086 R)
• M7: 5,655,548 km (0.094 R)
• M8: 6,436,897 km (0.054 R)
• M9: 8,586,469 km (0.087 R)
• M10: 9,191,592 km (0.056 R)
• M11: 10,122,540 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.5

Radius: 12.8

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.06 AU - 2.58 AU

Year: 2356 Days

Day: 6.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,957,000 km

• M1: 160,519 km (0.087 R)
• M2: 945,758 km (0.053 R)
• M3: 1,568,833 km (0.116 R)
• M4: 2,030,941 km (0.039 R)
• M5: 3,893,135 km (0.103 R)
• M6: 4,794,761 km (0.038 R)
• M7: 5,230,989 km (0.043 R)
• M8: 7,384,001 km (0.104 R)
• M9: 13,318,698 km (0.101 R)
• M10: 14,227,805 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.9

Radius: 11

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.38 AU - 5 AU

Year: 6773 Days

Day: 5.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,957,000 km

• M1: 136,732 km (0.096 R)
• M2: 829,071 km (0.114 R)
• M3: 1,568,085 km (0.11 R)
• M4: 2,108,732 km (0.09 R)
• M5: 3,195,710 km (0.072 R)
• M6: 4,937,029 km (0.1 R)
• M7: 5,876,204 km (0.05 R)
• M8: 6,533,238 km (0.103 R)
• M9: 7,556,338 km (0.101 R)
• M10: 8,536,204 km (0.116 R)
• M11: 9,693,942 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.6

Radius: 9.5

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.25 AU - 5.99 AU

Year: 8885 Days

Day: 7.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 78,957,000 km

• M1: 118,332 km (0.047 R)
• M2: 547,827 km (0.073 R)
• M3: 1,424,770 km (0.111 R)
• M4: 1,783,356 km (0.057 R)
• M5: 2,523,566 km (0.081 R)
• M6: 3,122,407 km (0.091 R)
• M7: 3,734,711 km (0.114 R)
• M8: 4,056,047 km (0.047 R)
• M9: 5,036,362 km (0.056 R)
• M10: 6,094,318 km (0.105 R)
• M11: 6,427,622 km (0.081 R)
• M12: 7,335,232 km (0.07 R)
• M13: 7,712,817 km (0.111 R)
• M14: 8,924,111 km (0.067 R)
• M15: 10,309,537 km (0.086 R)
• M16: 11,327,850 km (0.082 R)
• M17: 11,663,099 km (0.061 R)
• M18: 13,254,072 km (0.111 R)
• M19: 14,522,363 km (0.044 R)
• M20: 14,851,777 km (0.04 R)
• M21: 16,009,067 km (0.047 R)
• M22: 16,431,531 km (0.093 R)
• M23: 17,006,286 km (0.105 R)
• M24: 19,124,442 km (0.096 R)
• M25: 19,680,348 km (0.044 R)
• M26: 29,363,818 km (0.12 R)
• M27: 30,103,729 km (0.111 R)
• M28: 33,991,030 km (0.115 R)
• M29: 35,042,104 km (0.098 R)
• M30: 35,874,617 km (0.096 R)
• M31: 36,598,521 km (0.066 R)
• M32: 36,964,138 km (0.101 R)
• M33: 38,075,650 km (0.108 R)
• M34: 40,235,694 km (0.114 R)
• M35: 49,694,767 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.7

Radius: 3.1

Gravity: 102.88 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.83 AU - 7.33 AU

Year: 9997 Days

Day: 18.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 78,957,000 km

• M1: 38,596 km (0.062 R)
• M2: 146,756 km (0.084 R)
• M3: 256,112 km (0.096 R)
• M4: 584,030 km (0.119 R)
• M5: 749,934 km (0.074 R)
• M6: 1,201,420 km (0.117 R)
• M7: 2,019,122 km (0.114 R)
• M8: 3,323,616 km (0.094 R)
• M9: 3,768,670 km (0.112 R)
• M10: 5,136,592 km (0.115 R)
• M11: 5,272,278 km (0.036 R)
• M12: 5,586,284 km (0.096 R)
• M13: 5,875,606 km (0.081 R)
• M14: 6,844,402 km (0.113 R)
• M15: 7,133,724 km (0.115 R)
• M16: 7,517,592 km (0.066 R)
• M17: 8,419,518 km (0.099 R)
• M18: 8,896,585 km (0.079 R)
• M19: 9,492,434 km (0.089 R)
• M20: 9,748,396 km (0.116 R)
• M21: 10,381,344 km (0.102 R)
• M22: 11,097,619 km (0.118 R)
• M23: 12,505,335 km (0.084 R)
• M24: 12,750,975 km (0.098 R)
• M25: 13,765,846 km (0.027 R)
• M26: 14,093,615 km (0.097 R)
• M27: 16,026,569 km (0.078 R)
• M28: 16,171,081 km (0.107 R)
• M29: 17,131,350 km (0.119 R)
• M30: 18,922,335 km (0.105 R)
• M31: 19,164,834 km (0.106 R)
• M32: 20,071,546 km (0.112 R)
• M33: 21,006,383 km (0.085 R)
• M34: 23,330,835 km (0.099 R)
• M35: 24,746,929 km (0.087 R)
• M36: 27,438,344 km (0.098 R)
• M37: 32,346,500 km (0.083 R)
• M38: 33,158,966 km (0.045 R)
• M39: 37,808,169 km (0.102 R)
• M40: 44,704,930 km (0.074 R)
• M41: 47,177,783 km (0.11 R)
• M42: 53,674,669 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.5

Radius: 5.9

Gravity: 23 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 7.78 AU - 11.24 AU

Year: 19557 Days

Day: 15.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 78,957,000 km

• M1: 73,453 km (0.067 R)
• M2: 339,587 km (0.055 R)
• M3: 564,732 km (0.117 R)
• M4: 879,486 km (0.074 R)
• M5: 1,320,800 km (0.1 R)
• M6: 2,492,301 km (0.114 R)
• M7: 3,012,602 km (0.093 R)
• M8: 8,580,934 km (0.1 R)
• M9: 10,414,705 km (0.119 R)
• M10: 13,852,464 km (0.057 R)
• M11: 14,914,010 km (0.105 R)
• M12: 17,112,201 km (0.08 R)
• M13: 18,601,897 km (0.117 R)
• M14: 20,946,694 km (0.105 R)
• M15: 21,836,951 km (0.058 R)
• M16: 23,586,797 km (0.119 R)
• M17: 24,876,929 km (0.101 R)
• M18: 26,440,676 km (0.116 R)
• M19: 28,907,395 km (0.057 R)
• M20: 29,516,557 km (0.074 R)
• M21: 31,140,293 km (0.072 R)
• M22: 33,887,658 km (0.115 R)
• M23: 36,508,912 km (0.098 R)
• M24: 37,220,549 km (0.095 R)
• M25: 41,840,280 km (0.05 R)
• M26: 44,046,400 km (0.109 R)
• M27: 46,995,124 km (0.084 R)
• M28: 51,482,910 km (0.112 R)
• M29: 53,464,633 km (0.104 R)
• M30: 63,319,543 km (0.102 R)
• M31: 66,222,190 km (0.108 R)
• M32: 70,082,862 km (0.085 R)
• M33: 70,740,644 km (0.114 R)
• M34: 73,638,205 km (0.113 R)
• M35: 75,001,940 km (0.099 R)
• M36: 77,545,552 km (0.05 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: 503 - 17,313 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit