🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.8

Radius: 13.4

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.88 AU - 1.02 AU

Year: 607 Days

Day: 11.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,830,417 km

• M1: 166,652 km (0.063 R)
• M2: 683,812 km (0.115 R)
• M3: 1,588,729 km (0.036 R)
• M4: 2,042,011 km (0.073 R)
• M5: 2,760,679 km (0.08 R)
• M6: 3,533,203 km (0.084 R)
• M7: 4,574,104 km (0.117 R)
• M8: 5,472,739 km (0.096 R)
• M9: 5,906,274 km (0.109 R)
• M10: 6,779,028 km (0.113 R)
• M11: 7,689,630 km (0.085 R)
• M12: 8,210,978 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.5

Radius: 8.3

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.26 AU - 1.42 AU

Year: 1018 Days

Day: 6 Hours

Environment

Temp: -172 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,830,417 km

• M1: 105,915 km (0.049 R)
• M2: 829,670 km (0.105 R)
• M3: 1,089,222 km (0.114 R)
• M4: 1,554,920 km (0.071 R)
• M5: 2,232,000 km (0.074 R)
• M6: 2,846,249 km (0.115 R)
• M7: 3,186,584 km (0.109 R)
• M8: 4,937,927 km (0.049 R)
• M9: 5,353,210 km (0.076 R)
• M10: 5,649,564 km (0.043 R)
• M11: 8,092,946 km (0.064 R)
• M12: 8,697,919 km (0.114 R)
• M13: 9,531,778 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.5

Radius: 12.4

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.25 AU - 1.47 AU

Year: 1040 Days

Day: 12.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 83.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,830,417 km

• M1: 154,235 km (0.117 R)
• M2: 563,984 km (0.084 R)
• M3: 963,410 km (0.079 R)
• M4: 1,454,091 km (0.097 R)
• M5: 2,006,407 km (0.095 R)
• M6: 2,696,352 km (0.114 R)
• M7: 3,083,661 km (0.047 R)
• M8: 3,523,927 km (0.026 R)
• M9: 4,812,564 km (0.099 R)
• M10: 5,285,143 km (0.097 R)
• M11: 7,341,516 km (0.118 R)
• M12: 8,159,965 km (0.099 R)
• M13: 8,950,441 km (0.085 R)
• M14: 9,485,253 km (0.085 R)
• M15: 9,884,679 km (0.049 R)
• M16: 10,750,253 km (0.106 R)
• M17: 11,946,886 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.5

Radius: 13.9

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.45 AU - 2.25 AU

Year: 1651 Days

Day: 6.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,830,417 km

• M1: 172,935 km (0.091 R)
• M2: 622,327 km (0.066 R)
• M3: 1,073,514 km (0.113 R)
• M4: 1,643,632 km (0.046 R)
• M5: 2,261,321 km (0.113 R)
• M6: 2,933,016 km (0.104 R)
• M7: 5,177,882 km (0.095 R)
• M8: 5,912,407 km (0.111 R)
• M9: 6,376,310 km (0.096 R)
• M10: 8,139,471 km (0.074 R)
• M11: 9,073,560 km (0.074 R)
• M12: 9,884,081 km (0.116 R)
• M13: 10,742,324 km (0.092 R)
• M14: 11,259,783 km (0.114 R)
• M15: 12,307,566 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.1

Radius: 8

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.41 AU - 3.43 AU

Year: 3273 Days

Day: 7.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,830,417 km

• M1: 99,632 km (0.109 R)
• M2: 371,302 km (0.119 R)
• M3: 760,256 km (0.057 R)
• M4: 1,197,232 km (0.084 R)
• M5: 1,713,943 km (0.051 R)
• M6: 1,998,927 km (0.092 R)
• M7: 2,774,442 km (0.049 R)
• M8: 5,688,609 km (0.068 R)
• M9: 6,637,807 km (0.085 R)
• M10: 8,812,511 km (0.086 R)
• M11: 12,309,362 km (0.101 R)
• M12: 12,571,008 km (0.113 R)
• M13: 13,935,341 km (0.081 R)
• M14: 15,446,130 km (0.114 R)
• M15: 18,904,982 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.5

Radius: 8.8

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.34 AU - 4.16 AU

Year: 4764 Days

Day: 6.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,830,417 km

• M1: 113,694 km (0.056 R)
• M2: 580,290 km (0.087 R)
• M3: 1,127,669 km (0.101 R)
• M4: 1,735,036 km (0.116 R)
• M5: 2,155,705 km (0.096 R)
• M6: 2,686,030 km (0.108 R)
• M7: 3,485,630 km (0.119 R)
• M8: 4,025,380 km (0.066 R)
• M9: 4,745,394 km (0.076 R)
• M10: 5,114,003 km (0.088 R)
• M11: 5,572,221 km (0.078 R)
• M12: 5,958,184 km (0.112 R)
• M13: 8,071,703 km (0.056 R)
• M14: 8,886,114 km (0.096 R)
• M15: 9,413,895 km (0.051 R)
• M16: 10,387,777 km (0.081 R)
• M17: 10,677,847 km (0.073 R)
• M18: 11,619,865 km (0.115 R)
• M19: 12,211,076 km (0.096 R)
• M20: 12,905,210 km (0.12 R)
• M21: 16,333,395 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.1

Radius: 8

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.54 AU - 5.94 AU

Year: 7869 Days

Day: 11 Hours

Environment

Temp: -213 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,830,417 km

• M1: 100,979 km (0.107 R)
• M2: 500,704 km (0.12 R)
• M3: 837,000 km (0.104 R)
• M4: 1,230,143 km (0.083 R)
• M5: 1,642,285 km (0.087 R)
• M6: 1,984,865 km (0.112 R)
• M7: 2,423,037 km (0.077 R)
• M8: 3,390,037 km (0.119 R)
• M9: 3,971,973 km (0.097 R)
• M10: 4,444,702 km (0.108 R)
• M11: 4,980,861 km (0.06 R)
• M12: 7,425,739 km (0.092 R)
• M13: 9,224,953 km (0.093 R)
• M14: 10,574,924 km (0.11 R)
• M15: 11,764,825 km (0.06 R)
• M16: 14,300,210 km (0.061 R)
• M17: 16,336,686 km (0.09 R)
• M18: 17,178,473 km (0.045 R)
• M19: 20,421,605 km (0.074 R)
• M20: 21,825,881 km (0.067 R)
• M21: 29,121,619 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.6

Radius: 13.3

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.65 AU - 6.51 AU

Year: 8647 Days

Day: 6.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 87,830,417 km

• M1: 165,455 km (0.116 R)
• M2: 602,431 km (0.055 R)
• M3: 1,308,832 km (0.12 R)
• M4: 1,787,994 km (0.101 R)
• M5: 2,606,294 km (0.049 R)
• M6: 3,091,889 km (0.052 R)
• M7: 3,960,155 km (0.075 R)
• M8: 4,691,838 km (0.05 R)
• M9: 5,197,628 km (0.047 R)
• M10: 6,497,484 km (0.096 R)
• M11: 7,717,455 km (0.059 R)
• M12: 9,220,914 km (0.119 R)
• M13: 10,911,818 km (0.094 R)
• M14: 11,966,334 km (0.066 R)
• M15: 12,406,750 km (0.096 R)
• M16: 13,437,479 km (0.083 R)
• M17: 15,865,901 km (0.086 R)
• M18: 17,149,302 km (0.07 R)
• M19: 18,941,933 km (0.06 R)
• M20: 20,230,270 km (0.093 R)
• M21: 21,901,577 km (0.062 R)
• M22: 22,981,225 km (0.119 R)
• M23: 23,577,223 km (0.114 R)
• M24: 25,517,358 km (0.07 R)
• M25: 31,139,844 km (0.041 R)
• M26: 35,466,065 km (0.099 R)
• M27: 36,954,264 km (0.102 R)
• M28: 37,772,565 km (0.063 R)
• M29: 40,423,439 km (0.12 R)
• M30: 40,918,458 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 831.6

Radius: 7.8

Gravity: 13.67 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 9.36 AU - 11.76 AU

Year: 22512 Days

Day: 24 Hours

Environment

Temp: -238 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 87,830,417 km

• M1: 110,104 km (0.053 R)
• M2: 559,197 km (0.109 R)
• M3: 909,555 km (0.067 R)
• M4: 2,326,546 km (0.101 R)
• M5: 2,586,248 km (0.059 R)
• M6: 2,865,398 km (0.084 R)
• M7: 4,122,469 km (0.106 R)
• M8: 5,968,357 km (0.081 R)
• M9: 6,927,429 km (0.112 R)
• M10: 7,318,627 km (0.088 R)
• M11: 8,038,492 km (0.115 R)
• M12: 8,861,280 km (0.103 R)
• M13: 9,205,804 km (0.093 R)
• M14: 9,678,833 km (0.064 R)
• M15: 12,792,264 km (0.113 R)
• M16: 14,773,388 km (0.119 R)
• M17: 15,587,051 km (0.075 R)
• M18: 16,775,905 km (0.12 R)
• M19: 18,299,410 km (0.045 R)
• M20: 20,704,345 km (0.034 R)
• M21: 21,311,264 km (0.084 R)
• M22: 22,034,420 km (0.079 R)
• M23: 22,988,106 km (0.078 R)
• M24: 30,578,104 km (0.096 R)
• M25: 32,571,196 km (0.119 R)
• M26: 36,082,857 km (0.1 R)
• M27: 38,609,864 km (0.101 R)
• M28: 38,914,745 km (0.085 R)
• M29: 40,150,273 km (0.05 R)
• M30: 44,848,245 km (0.077 R)
• M31: 55,318,450 km (0.114 R)
• M32: 63,841,639 km (0.117 R)
• M33: 64,696,442 km (0.114 R)
• M34: 81,915,007 km (0.085 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: 444 - 16,924 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit