🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.6

Radius: 13.6

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.77 AU - 0.93 AU

Year: 506 Days

Day: 11.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 80,751,586 km

• M1: 169,195 km (0.072 R)
• M2: 1,118,693 km (0.112 R)
• M3: 1,611,019 km (0.116 R)
• M4: 2,838,171 km (0.11 R)
• M5: 4,157,026 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.2

Radius: 12.2

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.31 AU - 1.33 AU

Year: 979 Days

Day: 9 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,751,586 km

• M1: 151,692 km (0.11 R)
• M2: 1,088,773 km (0.099 R)
• M3: 1,511,537 km (0.108 R)
• M4: 1,925,025 km (0.08 R)
• M5: 2,392,070 km (0.03 R)
• M6: 2,804,212 km (0.106 R)
• M7: 3,235,802 km (0.043 R)
• M8: 3,967,186 km (0.058 R)
• M9: 4,658,328 km (0.108 R)
• M10: 5,071,667 km (0.046 R)
• M11: 6,147,724 km (0.075 R)
• M12: 6,740,132 km (0.083 R)
• M13: 7,345,255 km (0.031 R)
• M14: 7,907,594 km (0.114 R)
• M15: 8,636,734 km (0.088 R)
• M16: 9,205,355 km (0.116 R)
• M17: 10,260,619 km (0.104 R)
• M18: 11,095,524 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.5

Radius: 8.3

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.46 AU - 1.92 AU

Year: 1419 Days

Day: 7.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,751,586 km

• M1: 103,223 km (0.116 R)
• M2: 614,997 km (0.115 R)
• M3: 954,584 km (0.074 R)
• M4: 1,337,255 km (0.039 R)
• M5: 1,666,071 km (0.107 R)
• M6: 2,215,096 km (0.109 R)
• M7: 3,311,349 km (0.073 R)
• M8: 4,056,645 km (0.101 R)
• M9: 4,340,582 km (0.051 R)
• M10: 5,526,295 km (0.108 R)
• M11: 6,079,209 km (0.064 R)
• M12: 6,357,461 km (0.092 R)
• M13: 7,988,377 km (0.088 R)
• M14: 9,382,030 km (0.097 R)
• M15: 10,462,576 km (0.097 R)
• M16: 10,897,008 km (0.053 R)
• M17: 11,694,963 km (0.104 R)
• M18: 12,309,362 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.8

Radius: 13.1

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.8 AU - 1.96 AU

Year: 1664 Days

Day: 7 Hours

Environment

Temp: -193 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,751,586 km

• M1: 164,109 km (0.098 R)
• M2: 792,270 km (0.059 R)
• M3: 1,548,936 km (0.082 R)
• M4: 2,055,924 km (0.106 R)
• M5: 3,090,393 km (0.093 R)
• M6: 4,161,364 km (0.108 R)
• M7: 5,299,505 km (0.09 R)
• M8: 8,129,747 km (0.097 R)
• M9: 9,074,607 km (0.119 R)
• M10: 11,633,329 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.9

Radius: 8

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.08 AU - 2.24 AU

Year: 2050 Days

Day: 6.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,751,586 km

• M1: 100,231 km (0.117 R)
• M2: 417,228 km (0.115 R)
• M3: 733,628 km (0.075 R)
• M4: 1,039,107 km (0.089 R)
• M5: 1,351,018 km (0.1 R)
• M6: 2,415,856 km (0.093 R)
• M7: 2,669,424 km (0.077 R)
• M8: 2,926,284 km (0.062 R)
• M9: 5,689,955 km (0.046 R)
• M10: 7,448,029 km (0.108 R)
• M11: 7,931,530 km (0.109 R)
• M12: 8,225,639 km (0.062 R)
• M13: 8,992,627 km (0.069 R)
• M14: 10,847,042 km (0.098 R)
• M15: 11,100,012 km (0.036 R)
• M16: 11,959,303 km (0.064 R)
• M17: 12,701,906 km (0.1 R)
• M18: 14,758,877 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.6

Radius: 11

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.8 AU - 3.48 AU

Year: 3593 Days

Day: 7.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,751,586 km

• M1: 140,323 km (0.097 R)
• M2: 494,421 km (0.117 R)
• M3: 935,286 km (0.092 R)
• M4: 1,279,810 km (0.094 R)
• M5: 1,723,367 km (0.049 R)
• M6: 2,789,252 km (0.089 R)
• M7: 3,388,093 km (0.068 R)
• M8: 4,295,254 km (0.111 R)
• M9: 4,993,727 km (0.094 R)
• M10: 6,021,763 km (0.098 R)
• M11: 6,771,548 km (0.093 R)
• M12: 9,436,185 km (0.095 R)
• M13: 11,263,523 km (0.065 R)
• M14: 12,925,406 km (0.114 R)
• M15: 14,378,450 km (0.11 R)
• M16: 17,369,659 km (0.084 R)
• M17: 18,026,394 km (0.057 R)
• M18: 18,699,435 km (0.066 R)
• M19: 22,669,613 km (0.082 R)
• M20: 23,023,860 km (0.078 R)
• M21: 25,001,395 km (0.114 R)
• M22: 25,532,018 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.9

Radius: 8.9

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.66 AU - 4.08 AU

Year: 4916 Days

Day: 7.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,751,586 km

• M1: 119,080 km (0.028 R)
• M2: 657,183 km (0.094 R)
• M3: 1,077,105 km (0.104 R)
• M4: 1,463,217 km (0.1 R)
• M5: 2,193,254 km (0.065 R)
• M6: 2,971,612 km (0.116 R)
• M7: 3,877,128 km (0.115 R)
• M8: 5,346,927 km (0.114 R)
• M9: 8,490,876 km (0.1 R)
• M10: 9,552,572 km (0.105 R)
• M11: 10,115,509 km (0.086 R)
• M12: 13,267,386 km (0.049 R)
• M13: 14,133,408 km (0.113 R)
• M14: 17,398,980 km (0.049 R)
• M15: 19,998,094 km (0.114 R)
• M16: 20,775,554 km (0.07 R)
• M17: 27,305,052 km (0.061 R)
• M18: 29,601,978 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 656.3

Radius: 4.9

Gravity: 27.33 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.57 AU - 7.05 AU

Year: 10234 Days

Day: 17.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 80,751,586 km

• M1: 63,729 km (0.117 R)
• M2: 229,184 km (0.078 R)
• M3: 543,938 km (0.104 R)
• M4: 809,773 km (0.117 R)
• M5: 1,079,648 km (0.114 R)
• M6: 1,516,623 km (0.115 R)
• M7: 2,449,516 km (0.117 R)
• M8: 2,649,528 km (0.053 R)
• M9: 2,925,985 km (0.102 R)
• M10: 3,082,614 km (0.041 R)
• M11: 3,461,844 km (0.084 R)
• M12: 4,605,370 km (0.106 R)
• M13: 4,848,916 km (0.065 R)
• M14: 5,461,369 km (0.042 R)
• M15: 6,270,245 km (0.06 R)
• M16: 6,996,244 km (0.117 R)
• M17: 7,236,797 km (0.06 R)
• M18: 7,734,360 km (0.067 R)
• M19: 7,991,518 km (0.051 R)
• M20: 9,315,908 km (0.108 R)
• M21: 10,569,538 km (0.118 R)
• M22: 10,727,065 km (0.106 R)
• M23: 11,988,325 km (0.06 R)
• M24: 14,801,064 km (0.101 R)
• M25: 15,197,648 km (0.119 R)
• M26: 17,142,570 km (0.078 R)
• M27: 19,719,842 km (0.118 R)
• M28: 21,602,531 km (0.066 R)
• M29: 23,157,152 km (0.085 R)
• M30: 23,871,332 km (0.105 R)
• M31: 28,875,979 km (0.116 R)
• M32: 33,057,838 km (0.082 R)
• M33: 38,861,637 km (0.097 R)
• M34: 42,200,363 km (0.109 R)
• M35: 44,210,958 km (0.104 R)
• M36: 46,284,384 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.5

Radius: 3.2

Gravity: 65.87 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.44 AU - 7.42 AU

Year: 10528 Days

Day: 21.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 80,751,586 km

• M1: 42,336 km (0.113 R)
• M2: 178,021 km (0.113 R)
• M3: 299,495 km (0.118 R)
• M4: 440,267 km (0.101 R)
• M5: 738,714 km (0.095 R)
• M6: 1,087,876 km (0.11 R)
• M7: 1,292,825 km (0.109 R)
• M8: 2,153,910 km (0.114 R)
• M9: 2,437,548 km (0.104 R)
• M10: 3,078,724 km (0.12 R)
• M11: 3,719,302 km (0.034 R)
• M12: 4,473,575 km (0.08 R)
• M13: 4,653,990 km (0.102 R)
• M14: 4,965,752 km (0.111 R)
• M15: 5,735,134 km (0.039 R)
• M16: 5,948,311 km (0.104 R)
• M17: 6,696,898 km (0.098 R)
• M18: 6,933,263 km (0.119 R)
• M19: 8,933,386 km (0.043 R)
• M20: 9,123,675 km (0.113 R)
• M21: 9,760,663 km (0.093 R)
• M22: 10,013,333 km (0.089 R)
• M23: 10,851,381 km (0.096 R)
• M24: 15,272,447 km (0.113 R)
• M25: 17,988,396 km (0.068 R)
• M26: 19,619,013 km (0.117 R)
• M27: 21,093,001 km (0.112 R)
• M28: 24,816,043 km (0.106 R)
• M29: 26,635,302 km (0.1 R)
• M30: 28,336,679 km (0.093 R)
• M31: 31,733,000 km (0.094 R)
• M32: 34,219,167 km (0.109 R)
• M33: 34,684,715 km (0.078 R)
• M34: 37,320,929 km (0.117 R)
• M35: 42,050,465 km (0.06 R)
• M36: 42,316,899 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 694.4

Radius: 5.9

Gravity: 19.95 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 8.16 AU - 12.68 AU

Year: 21718 Days

Day: 19.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 80,751,586 km

• M1: 73,453 km (0.072 R)
• M2: 373,845 km (0.089 R)
• M3: 886,367 km (0.088 R)
• M4: 1,524,402 km (0.055 R)
• M5: 1,788,143 km (0.103 R)
• M6: 2,040,964 km (0.086 R)
• M7: 2,476,892 km (0.049 R)
• M8: 3,562,224 km (0.114 R)
• M9: 4,028,820 km (0.091 R)
• M10: 5,045,487 km (0.071 R)
• M11: 5,432,796 km (0.076 R)
• M12: 6,266,655 km (0.06 R)
• M13: 6,714,252 km (0.083 R)
• M14: 7,040,076 km (0.04 R)
• M15: 8,774,514 km (0.1 R)
• M16: 11,222,234 km (0.111 R)
• M17: 11,482,983 km (0.106 R)
• M18: 12,706,843 km (0.063 R)
• M19: 17,153,640 km (0.079 R)
• M20: 17,499,809 km (0.091 R)
• M21: 20,730,824 km (0.117 R)
• M22: 23,906,338 km (0.074 R)
• M23: 25,441,212 km (0.08 R)
• M24: 26,118,591 km (0.11 R)
• M25: 26,461,769 km (0.114 R)
• M26: 30,186,307 km (0.103 R)
• M27: 42,474,426 km (0.118 R)
• M28: 45,046,761 km (0.066 R)
• M29: 54,121,518 km (0.071 R)
• M30: 56,375,808 km (0.071 R)
• M31: 56,566,396 km (0.105 R)
• M32: 58,496,507 km (0.113 R)
• M33: 60,870,177 km (0.042 R)
• M34: 69,244,815 km (0.069 R)
• M35: 70,785,224 km (0.116 R)
• M36: 72,348,223 km (0.071 R)
• M37: 79,547,471 km (0.089 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: 269 - 12,026 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit