🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.6

Radius: 8.7

Gravity: 11.13 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.63 AU - 0.87 AU

Year: 448 Days

Day: 12.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,540,973 km

• M1: 108,309 km (0.12 R)
• M2: 390,899 km (0.119 R)
• M3: 681,269 km (0.029 R)
• M4: 1,014,722 km (0.047 R)
• M5: 1,326,185 km (0.093 R)
• M6: 1,634,506 km (0.093 R)
• M7: 2,050,987 km (0.118 R)
• M8: 2,851,036 km (0.111 R)
• M9: 3,939,959 km (0.118 R)
• M10: 4,363,171 km (0.116 R)
• M11: 4,910,999 km (0.066 R)
• M12: 5,961,026 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.6

Radius: 8.1

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.69 AU - 0.85 AU

Year: 466 Days

Day: 14.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,540,973 km

• M1: 100,829 km (0.118 R)
• M2: 418,575 km (0.108 R)
• M3: 677,828 km (0.056 R)
• M4: 1,021,155 km (0.059 R)
• M5: 1,448,257 km (0.093 R)
• M6: 1,784,254 km (0.099 R)
• M7: 2,060,262 km (0.093 R)
• M8: 2,347,639 km (0.097 R)
• M9: 2,737,491 km (0.111 R)
• M10: 3,543,525 km (0.11 R)
• M11: 4,020,592 km (0.097 R)
• M12: 4,676,280 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.6

Radius: 10.3

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.92 AU - 1.46 AU

Year: 896 Days

Day: 11 Hours

Environment

Temp: -174 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,540,973 km

• M1: 128,205 km (0.083 R)
• M2: 455,376 km (0.114 R)
• M3: 826,678 km (0.114 R)
• M4: 1,598,902 km (0.066 R)
• M5: 1,989,352 km (0.103 R)
• M6: 2,369,181 km (0.069 R)
• M7: 2,838,919 km (0.11 R)
• M8: 3,174,616 km (0.105 R)
• M9: 3,927,094 km (0.07 R)
• M10: 4,304,080 km (0.106 R)
• M11: 4,854,451 km (0.086 R)
• M12: 5,386,122 km (0.104 R)
• M13: 5,767,447 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.9

Radius: 9.4

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.27 AU - 2.09 AU

Year: 1503 Days

Day: 11.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,540,973 km

• M1: 117,584 km (0.078 R)
• M2: 427,401 km (0.101 R)
• M3: 866,770 km (0.071 R)
• M4: 1,206,507 km (0.063 R)
• M5: 1,887,476 km (0.104 R)
• M6: 2,708,918 km (0.081 R)
• M7: 3,050,301 km (0.12 R)
• M8: 4,556,602 km (0.08 R)
• M9: 5,384,476 km (0.113 R)
• M10: 5,788,390 km (0.07 R)
• M11: 6,164,330 km (0.11 R)
• M12: 6,861,456 km (0.089 R)
• M13: 7,472,563 km (0.075 R)
• M14: 9,112,605 km (0.071 R)
• M15: 10,559,814 km (0.097 R)
• M16: 11,086,549 km (0.05 R)
• M17: 12,040,983 km (0.055 R)
• M18: 13,089,215 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.4

Radius: 13.6

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.62 AU - 2.36 AU

Year: 1938 Days

Day: 11 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,540,973 km

• M1: 169,794 km (0.075 R)
• M2: 824,135 km (0.083 R)
• M3: 1,253,780 km (0.082 R)
• M4: 1,822,551 km (0.12 R)
• M5: 3,026,215 km (0.117 R)
• M6: 5,409,459 km (0.118 R)
• M7: 6,856,370 km (0.025 R)
• M8: 7,399,559 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.8

Radius: 10.5

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.72 AU - 2.98 AU

Year: 3321 Days

Day: 9.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,540,973 km

• M1: 130,599 km (0.047 R)
• M2: 515,365 km (0.095 R)
• M3: 1,184,516 km (0.037 R)
• M4: 1,594,863 km (0.114 R)
• M5: 2,140,596 km (0.117 R)
• M6: 2,473,451 km (0.029 R)
• M7: 2,891,577 km (0.078 R)
• M8: 3,282,177 km (0.095 R)
• M9: 3,667,691 km (0.114 R)
• M10: 4,347,763 km (0.12 R)
• M11: 4,694,531 km (0.081 R)
• M12: 5,211,242 km (0.108 R)
• M13: 5,930,957 km (0.081 R)
• M14: 6,625,091 km (0.103 R)
• M15: 6,992,055 km (0.06 R)
• M16: 9,875,554 km (0.097 R)
• M17: 10,233,990 km (0.045 R)
• M18: 10,601,104 km (0.12 R)
• M19: 13,326,178 km (0.115 R)
• M20: 13,666,214 km (0.059 R)
• M21: 17,566,081 km (0.115 R)
• M22: 23,534,139 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.2

Radius: 14.4

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.66 AU - 3.42 AU

Year: 3659 Days

Day: 9.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,540,973 km

• M1: 179,069 km (0.061 R)
• M2: 664,065 km (0.117 R)
• M3: 1,205,011 km (0.111 R)
• M4: 2,678,699 km (0.109 R)
• M5: 3,612,190 km (0.086 R)
• M6: 4,080,581 km (0.113 R)
• M7: 4,969,192 km (0.057 R)
• M8: 6,122,742 km (0.077 R)
• M9: 7,974,913 km (0.052 R)
• M10: 9,515,621 km (0.097 R)
• M11: 10,176,694 km (0.064 R)
• M12: 12,712,079 km (0.101 R)
• M13: 13,708,550 km (0.109 R)
• M14: 14,451,753 km (0.109 R)
• M15: 16,787,873 km (0.071 R)
• M16: 19,550,796 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.8

Radius: 14.4

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.2 AU - 4.56 AU

Year: 5275 Days

Day: 12.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,540,973 km

• M1: 179,817 km (0.086 R)
• M2: 825,930 km (0.03 R)
• M3: 1,879,996 km (0.117 R)
• M4: 2,362,001 km (0.091 R)
• M5: 2,909,679 km (0.08 R)
• M6: 3,902,709 km (0.093 R)
• M7: 4,625,267 km (0.075 R)
• M8: 5,575,213 km (0.071 R)
• M9: 6,588,290 km (0.079 R)
• M10: 7,172,470 km (0.103 R)
• M11: 7,720,746 km (0.114 R)
• M12: 8,747,885 km (0.091 R)
• M13: 11,667,736 km (0.092 R)
• M14: 12,234,862 km (0.112 R)
• M15: 14,909,073 km (0.115 R)
• M16: 16,617,930 km (0.025 R)
• M17: 17,155,285 km (0.04 R)
• M18: 21,108,559 km (0.116 R)
• M19: 22,023,499 km (0.074 R)
• M20: 25,711,536 km (0.11 R)
• M21: 27,000,022 km (0.079 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.3

Radius: 12.9

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.38 AU - 6.54 AU

Year: 8806 Days

Day: 13.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,540,973 km

• M1: 160,519 km (0.114 R)
• M2: 601,234 km (0.088 R)
• M3: 1,212,192 km (0.073 R)
• M4: 1,728,603 km (0.118 R)
• M5: 2,142,242 km (0.049 R)
• M6: 2,773,096 km (0.101 R)
• M7: 3,663,502 km (0.052 R)
• M8: 4,304,978 km (0.046 R)
• M9: 5,049,377 km (0.116 R)
• M10: 7,307,258 km (0.108 R)
• M11: 7,844,912 km (0.093 R)
• M12: 8,285,927 km (0.042 R)
• M13: 9,663,723 km (0.117 R)
• M14: 16,335,489 km (0.094 R)
• M15: 17,458,969 km (0.12 R)
• M16: 18,703,923 km (0.069 R)
• M17: 19,859,566 km (0.114 R)
• M18: 21,370,355 km (0.077 R)
• M19: 24,280,931 km (0.068 R)
• M20: 26,007,291 km (0.105 R)
• M21: 26,900,540 km (0.058 R)
• M22: 29,127,753 km (0.067 R)
• M23: 29,606,915 km (0.09 R)
• M24: 30,877,001 km (0.056 R)
• M25: 32,081,563 km (0.093 R)
• M26: 33,109,001 km (0.115 R)
• M27: 34,158,131 km (0.041 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944.5

Radius: 3.8

Gravity: 65.41 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 9.64 AU - 9.64 AU

Year: 20660 Days

Day: 22.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 86,540,973 km

• M1: 48,021 km (0.104 R)
• M2: 196,721 km (0.119 R)
• M3: 650,003 km (0.082 R)
• M4: 792,420 km (0.107 R)
• M5: 1,019,360 km (0.077 R)
• M6: 1,169,706 km (0.078 R)
• M7: 1,498,372 km (0.071 R)
• M8: 1,925,624 km (0.093 R)
• M9: 2,091,977 km (0.04 R)
• M10: 2,649,079 km (0.099 R)
• M11: 2,776,536 km (0.054 R)
• M12: 3,819,682 km (0.103 R)
• M13: 4,150,294 km (0.077 R)
• M14: 5,178,031 km (0.042 R)
• M15: 5,459,275 km (0.088 R)
• M16: 7,824,417 km (0.115 R)
• M17: 8,356,836 km (0.095 R)
• M18: 9,084,779 km (0.118 R)
• M19: 11,186,630 km (0.047 R)
• M20: 11,453,363 km (0.084 R)
• M21: 12,138,970 km (0.035 R)
• M22: 14,359,301 km (0.111 R)
• M23: 17,186,402 km (0.11 R)
• M24: 18,358,800 km (0.098 R)
• M25: 18,543,703 km (0.088 R)
• M26: 20,661,112 km (0.079 R)
• M27: 22,193,742 km (0.062 R)
• M28: 27,363,844 km (0.094 R)
• M29: 34,390,905 km (0.059 R)
• M30: 36,976,405 km (0.045 R)
• M31: 44,999,638 km (0.066 R)
• M32: 54,679,219 km (0.065 R)
• M33: 62,472,669 km (0.047 R)
• M34: 69,843,805 km (0.084 R)
• M35: 76,094,154 km (0.046 R)
• M36: 82,204,329 km (0.211 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 10,540 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit