🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.08 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105

Radius: 13.2

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.77 AU - 2.55 AU

Year: 2117 Days

Day: 10.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,480,424 km

• M1: 164,558 km (0.06 R)
• M2: 581,637 km (0.043 R)
• M3: 1,159,832 km (0.11 R)
• M4: 2,068,041 km (0.082 R)
• M5: 3,065,410 km (0.058 R)
• M6: 4,814,508 km (0.053 R)
• M7: 5,505,501 km (0.091 R)
• M8: 7,619,768 km (0.063 R)
• M9: 8,793,512 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839

Radius: 10.8

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.3 AU - 3.2 AU

Year: 3041 Days

Day: 7.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 82,480,424 km

• M1: 134,339 km (0.058 R)
• M2: 544,237 km (0.073 R)
• M3: 925,861 km (0.076 R)
• M4: 1,321,248 km (0.043 R)
• M5: 2,235,441 km (0.119 R)
• M6: 2,846,997 km (0.056 R)
• M7: 3,376,424 km (0.11 R)
• M8: 3,866,955 km (0.112 R)
• M9: 4,427,050 km (0.069 R)
• M10: 5,040,551 km (0.118 R)
• M11: 5,656,295 km (0.114 R)
• M12: 7,038,281 km (0.111 R)
• M13: 9,364,827 km (0.032 R)
• M14: 10,136,752 km (0.054 R)
• M15: 11,245,721 km (0.083 R)
• M16: 13,414,142 km (0.113 R)
• M17: 14,749,303 km (0.09 R)
• M18: 18,442,874 km (0.093 R)
• M19: 19,966,080 km (0.092 R)
• M20: 21,113,645 km (0.112 R)
• M21: 22,372,062 km (0.114 R)
• M22: 23,054,229 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.1

Radius: 9.7

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.33 AU - 3.95 AU

Year: 4631 Days

Day: 13.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,480,424 km

• M1: 120,576 km (0.071 R)
• M2: 447,746 km (0.093 R)
• M3: 1,170,903 km (0.059 R)
• M4: 1,485,208 km (0.099 R)
• M5: 2,008,052 km (0.093 R)
• M6: 2,481,829 km (0.116 R)
• M7: 2,826,053 km (0.096 R)
• M8: 3,221,889 km (0.077 R)
• M9: 4,172,434 km (0.069 R)
• M10: 5,162,323 km (0.1 R)
• M11: 5,669,011 km (0.107 R)
• M12: 6,301,661 km (0.066 R)
• M13: 7,115,473 km (0.096 R)
• M14: 10,991,404 km (0.119 R)
• M15: 13,848,574 km (0.117 R)
• M16: 14,224,065 km (0.043 R)
• M17: 16,620,623 km (0.043 R)
• M18: 19,010,299 km (0.047 R)
• M19: 20,150,085 km (0.081 R)
• M20: 20,493,861 km (0.096 R)
• M21: 21,548,676 km (0.083 R)
• M22: 26,050,375 km (0.118 R)
• M23: 27,203,924 km (0.103 R)
• M24: 27,623,995 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.4

Radius: 8.2

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.52 AU - 4.14 AU

Year: 4998 Days

Day: 10.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,480,424 km

• M1: 102,325 km (0.097 R)
• M2: 468,092 km (0.095 R)
• M3: 1,083,089 km (0.115 R)
• M4: 2,159,445 km (0.097 R)
• M5: 4,602,229 km (0.099 R)
• M6: 5,256,570 km (0.067 R)
• M7: 7,079,420 km (0.11 R)
• M8: 7,806,615 km (0.039 R)
• M9: 10,330,780 km (0.074 R)
• M10: 11,265,617 km (0.109 R)
• M11: 16,680,761 km (0.114 R)
• M12: 17,284,239 km (0.099 R)
• M13: 18,280,112 km (0.116 R)
• M14: 18,921,587 km (0.087 R)
• M15: 20,114,032 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.5

Radius: 11.8

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.01 AU - 4.73 AU

Year: 5077 Days

Day: 8.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,480,424 km

• M1: 148,102 km (0.051 R)
• M2: 963,560 km (0.031 R)
• M3: 1,369,718 km (0.093 R)
• M4: 1,960,779 km (0.056 R)
• M5: 3,277,989 km (0.098 R)
• M6: 4,165,403 km (0.094 R)
• M7: 4,719,065 km (0.083 R)
• M8: 9,338,797 km (0.111 R)
• M9: 10,733,348 km (0.085 R)
• M10: 16,687,493 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.6

Radius: 9.2

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.37 AU - 5.01 AU

Year: 5719 Days

Day: 12.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 82,480,424 km

• M1: 114,442 km (0.067 R)
• M2: 431,141 km (0.074 R)
• M3: 718,967 km (0.097 R)
• M4: 1,045,988 km (0.058 R)
• M5: 1,426,117 km (0.078 R)
• M6: 1,926,671 km (0.103 R)
• M7: 3,012,004 km (0.083 R)
• M8: 4,081,030 km (0.103 R)
• M9: 4,383,966 km (0.107 R)
• M10: 5,208,250 km (0.116 R)
• M11: 5,844,340 km (0.078 R)
• M12: 6,430,016 km (0.04 R)
• M13: 7,344,208 km (0.107 R)
• M14: 8,423,258 km (0.071 R)
• M15: 8,958,668 km (0.099 R)
• M16: 9,516,669 km (0.096 R)
• M17: 10,749,505 km (0.106 R)
• M18: 13,253,623 km (0.077 R)
• M19: 14,264,007 km (0.113 R)
• M20: 16,627,803 km (0.084 R)
• M21: 17,078,093 km (0.109 R)
• M22: 17,936,037 km (0.09 R)
• M23: 18,273,530 km (0.099 R)
• M24: 21,886,168 km (0.102 R)
• M25: 24,022,276 km (0.119 R)
• M26: 26,993,290 km (0.033 R)
• M27: 28,796,693 km (0.108 R)
• M28: 29,540,044 km (0.082 R)
• M29: 30,105,973 km (0.111 R)
• M30: 32,641,807 km (0.088 R)
• M31: 34,374,898 km (0.065 R)
• M32: 35,211,449 km (0.116 R)

Asteroid Belt

Center: 4.95 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.8

Radius: 12.9

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.84 AU - 6.58 AU

Year: 9099 Days

Day: 6.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,480,424 km

• M1: 160,369 km (0.086 R)
• M2: 649,404 km (0.12 R)
• M3: 1,120,338 km (0.074 R)
• M4: 1,867,729 km (0.114 R)
• M5: 2,907,734 km (0.025 R)
• M6: 4,173,182 km (0.042 R)
• M7: 4,959,169 km (0.118 R)
• M8: 5,650,910 km (0.108 R)
• M9: 7,339,720 km (0.119 R)
• M10: 7,878,871 km (0.108 R)
• M11: 8,652,890 km (0.062 R)
• M12: 9,080,292 km (0.027 R)
• M13: 10,117,154 km (0.108 R)
• M14: 10,883,993 km (0.117 R)
• M15: 11,484,180 km (0.111 R)
• M16: 12,053,848 km (0.104 R)
• M17: 13,137,685 km (0.115 R)
• M18: 15,189,270 km (0.075 R)
• M19: 16,195,166 km (0.103 R)
• M20: 19,698,599 km (0.075 R)
• M21: 20,440,604 km (0.093 R)
• M22: 21,047,373 km (0.054 R)
• M23: 22,536,919 km (0.097 R)
• M24: 24,517,445 km (0.088 R)
• M25: 29,875,592 km (0.111 R)
• M26: 32,672,175 km (0.061 R)
• M27: 33,817,047 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849.4

Radius: 3.2

Gravity: 82.95 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 8.85 AU - 11.65 AU

Year: 21883 Days

Day: 22.8 Hours

Environment

Temp: -246 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 82,480,424 km

• M1: 39,793 km (0.03 R)
• M2: 234,869 km (0.095 R)
• M3: 369,208 km (0.073 R)
• M4: 571,464 km (0.117 R)
• M5: 754,871 km (0.088 R)
• M6: 1,582,297 km (0.095 R)
• M7: 2,803,464 km (0.089 R)
• M8: 4,952,438 km (0.096 R)
• M9: 5,305,937 km (0.077 R)
• M10: 5,676,192 km (0.065 R)
• M11: 5,889,070 km (0.093 R)
• M12: 7,329,996 km (0.092 R)
• M13: 7,736,753 km (0.075 R)
• M14: 8,650,946 km (0.099 R)
• M15: 9,876,601 km (0.099 R)
• M16: 12,810,664 km (0.115 R)
• M17: 13,399,930 km (0.089 R)
• M18: 16,276,847 km (0.113 R)
• M19: 17,498,463 km (0.097 R)
• M20: 18,315,267 km (0.118 R)
• M21: 18,686,420 km (0.09 R)
• M22: 26,368,270 km (0.116 R)
• M23: 27,319,862 km (0.072 R)
• M24: 29,039,789 km (0.117 R)
• M25: 32,288,008 km (0.099 R)
• M26: 34,348,718 km (0.032 R)
• M27: 34,912,702 km (0.064 R)
• M28: 42,169,246 km (0.102 R)
• M29: 45,637,074 km (0.078 R)
• M30: 47,876,405 km (0.09 R)
• M31: 54,076,937 km (0.045 R)
• M32: 60,791,339 km (0.104 R)
• M33: 73,025,004 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.2

Radius: 4.1

Gravity: 39.99 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 10.46 AU - 10.6 AU

Year: 22786 Days

Day: 20.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 82,480,424 km

• M1: 51,013 km (0.114 R)
• M2: 240,553 km (0.039 R)
• M3: 407,953 km (0.092 R)
• M4: 547,977 km (0.06 R)
• M5: 1,080,246 km (0.105 R)
• M6: 2,061,309 km (0.091 R)
• M7: 3,319,427 km (0.083 R)
• M8: 3,585,113 km (0.117 R)
• M9: 3,993,814 km (0.034 R)
• M10: 4,294,356 km (0.116 R)
• M11: 4,609,858 km (0.108 R)
• M12: 4,791,769 km (0.106 R)
• M13: 4,978,318 km (0.074 R)
• M14: 6,245,711 km (0.072 R)
• M15: 6,742,825 km (0.099 R)
• M16: 7,072,688 km (0.102 R)
• M17: 9,224,055 km (0.115 R)
• M18: 10,292,932 km (0.068 R)
• M19: 11,842,915 km (0.085 R)
• M20: 13,840,197 km (0.104 R)
• M21: 15,076,623 km (0.107 R)
• M22: 15,640,009 km (0.097 R)
• M23: 15,803,519 km (0.077 R)
• M24: 18,577,512 km (0.1 R)
• M25: 20,958,063 km (0.042 R)
• M26: 23,427,475 km (0.102 R)
• M27: 28,082,662 km (0.114 R)
• M28: 29,678,273 km (0.111 R)
• M29: 34,686,959 km (0.028 R)
• M30: 45,666,396 km (0.118 R)
• M31: 47,353,560 km (0.084 R)
• M32: 48,040,065 km (0.064 R)
• M33: 56,608,283 km (0.118 R)
• M34: 60,744,963 km (0.078 R)
• M35: 61,149,177 km (0.114 R)
• M36: 67,862,082 km (0.105 R)
• M37: 70,500,989 km (0.1 R)
• M38: 76,451,543 km (0.119 R)
• M39: 77,395,655 km (0.115 R)
• M40: 78,347,546 km (0.071 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 17,385 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit