🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46

Radius: 12

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.46 AU - 0.66 AU

Year: 279 Days

Day: 7.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 48,046,353 km

• M1: 156,330 km (0.082 R)
• M2: 552,764 km (0.081 R)
• M3: 1,033,123 km (0.116 R)
• M4: 1,472,342 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772

Radius: 13.3

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.62 AU - 0.72 AU

Year: 366 Days

Day: 10.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,046,353 km

• M1: 165,605 km (0.097 R)
• M2: 616,343 km (0.034 R)
• M3: 1,194,689 km (0.1 R)
• M4: 1,636,002 km (0.093 R)
• M5: 2,065,199 km (0.1 R)
• M6: 2,551,840 km (0.059 R)
• M7: 3,724,239 km (0.034 R)
• M8: 4,706,798 km (0.112 R)
• M9: 5,197,778 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.8

Radius: 10.3

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.33 AU - 1.35 AU

Year: 1034 Days

Day: 10 Hours

Environment

Temp: -191 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,046,353 km

• M1: 128,804 km (0.057 R)
• M2: 556,504 km (0.107 R)
• M3: 878,289 km (0.089 R)
• M4: 1,700,629 km (0.051 R)
• M5: 2,129,226 km (0.061 R)
• M6: 2,532,842 km (0.108 R)
• M7: 3,291,452 km (0.035 R)
• M8: 3,802,628 km (0.099 R)
• M9: 4,383,666 km (0.101 R)
• M10: 5,475,880 km (0.116 R)
• M11: 6,555,379 km (0.118 R)
• M12: 7,516,844 km (0.092 R)
• M13: 7,874,682 km (0.097 R)
• M14: 8,487,435 km (0.104 R)
• M15: 9,480,466 km (0.111 R)
• M16: 10,933,510 km (0.116 R)

Asteroid Belt

Center: 2.72 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965

Radius: 10.8

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.35 AU - 4.83 AU

Year: 5516 Days

Day: 5.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,046,353 km

• M1: 134,339 km (0.076 R)
• M2: 512,522 km (0.115 R)
• M3: 967,749 km (0.077 R)
• M4: 1,664,875 km (0.11 R)
• M5: 2,173,059 km (0.053 R)
• M6: 2,670,771 km (0.075 R)
• M7: 3,328,553 km (0.098 R)
• M8: 3,993,066 km (0.11 R)
• M9: 4,501,400 km (0.115 R)
• M10: 5,023,796 km (0.097 R)
• M11: 5,962,822 km (0.078 R)
• M12: 6,525,459 km (0.111 R)
• M13: 7,123,252 km (0.114 R)
• M14: 7,604,658 km (0.045 R)
• M15: 10,485,764 km (0.08 R)
• M16: 12,590,456 km (0.067 R)
• M17: 16,829,611 km (0.056 R)
• M18: 17,752,031 km (0.118 R)
• M19: 19,198,493 km (0.116 R)
• M20: 19,769,658 km (0.1 R)
• M21: 20,647,648 km (0.109 R)
• M22: 24,504,281 km (0.089 R)
• M23: 26,207,901 km (0.045 R)
• M24: 27,088,734 km (0.079 R)
• M25: 28,446,783 km (0.09 R)
• M26: 35,495,835 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663

Radius: 13.1

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.74 AU - 5.08 AU

Year: 7255 Days

Day: 14.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,046,353 km

• M1: 162,912 km (0.043 R)
• M2: 670,348 km (0.086 R)
• M3: 1,111,961 km (0.116 R)
• M4: 1,728,304 km (0.076 R)
• M5: 2,424,233 km (0.097 R)
• M6: 4,458,316 km (0.095 R)
• M7: 6,786,059 km (0.098 R)
• M8: 7,912,680 km (0.089 R)
• M9: 9,969,800 km (0.114 R)
• M10: 14,689,763 km (0.09 R)
• M11: 16,699,461 km (0.115 R)
• M12: 17,363,526 km (0.096 R)
• M13: 19,244,719 km (0.115 R)
• M14: 20,123,008 km (0.093 R)
• M15: 20,875,186 km (0.096 R)
• M16: 21,880,933 km (0.092 R)
• M17: 22,355,906 km (0.094 R)
• M18: 24,325,063 km (0.046 R)
• M19: 25,351,902 km (0.105 R)
• M20: 27,309,241 km (0.1 R)
• M21: 30,333,362 km (0.111 R)
• M22: 31,222,572 km (0.072 R)
• M23: 31,724,173 km (0.097 R)
• M24: 35,278,170 km (0.105 R)
• M25: 35,713,051 km (0.112 R)
• M26: 36,815,886 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.1

Radius: 3.6

Gravity: 40.59 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 6.2 AU - 6.34 AU

Year: 10470 Days

Day: 16.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 48,046,353 km

• M1: 45,927 km (0.12 R)
• M2: 200,461 km (0.035 R)
• M3: 451,636 km (0.07 R)
• M4: 803,341 km (0.078 R)
• M5: 1,241,363 km (0.043 R)
• M6: 1,582,596 km (0.025 R)
• M7: 1,806,245 km (0.052 R)
• M8: 1,966,763 km (0.1 R)
• M9: 3,004,075 km (0.068 R)
• M10: 3,715,413 km (0.079 R)
• M11: 4,799,249 km (0.081 R)
• M12: 5,764,754 km (0.069 R)
• M13: 6,891,226 km (0.084 R)
• M14: 8,775,860 km (0.118 R)
• M15: 9,096,897 km (0.081 R)
• M16: 9,236,921 km (0.092 R)
• M17: 10,007,798 km (0.083 R)
• M18: 12,634,737 km (0.114 R)
• M19: 12,867,511 km (0.105 R)
• M20: 13,103,128 km (0.091 R)
• M21: 13,341,587 km (0.057 R)
• M22: 16,159,412 km (0.112 R)
• M23: 16,780,992 km (0.064 R)
• M24: 16,991,625 km (0.091 R)
• M25: 18,071,572 km (0.108 R)
• M26: 18,665,775 km (0.12 R)
• M27: 19,426,779 km (0.065 R)
• M28: 21,010,273 km (0.118 R)
• M29: 23,021,766 km (0.095 R)
• M30: 24,611,842 km (0.082 R)
• M31: 26,085,530 km (0.114 R)
• M32: 27,035,776 km (0.085 R)
• M33: 27,325,397 km (0.063 R)
• M34: 28,603,861 km (0.066 R)
• M35: 29,819,044 km (0.098 R)
• M36: 30,128,114 km (0.09 R)
• M37: 36,531,351 km (0.102 R)
• M38: 41,311,302 km (0.097 R)
• M39: 44,317,023 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.1

Radius: 6.9

Gravity: 16.43 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.18 AU - 7.7 AU

Year: 10898 Days

Day: 17.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 48,046,353 km

• M1: 85,869 km (0.074 R)
• M2: 341,532 km (0.077 R)
• M3: 1,105,379 km (0.114 R)
• M4: 1,725,761 km (0.083 R)
• M5: 2,598,515 km (0.075 R)
• M6: 2,992,406 km (0.112 R)
• M7: 4,094,943 km (0.058 R)
• M8: 4,753,622 km (0.068 R)
• M9: 5,009,883 km (0.118 R)
• M10: 5,798,563 km (0.111 R)
• M11: 6,746,864 km (0.07 R)
• M12: 7,071,043 km (0.109 R)
• M13: 7,490,814 km (0.06 R)
• M14: 8,380,323 km (0.08 R)
• M15: 9,190,246 km (0.111 R)
• M16: 9,741,365 km (0.069 R)
• M17: 10,420,838 km (0.088 R)
• M18: 10,799,620 km (0.101 R)
• M19: 11,815,689 km (0.119 R)
• M20: 12,168,141 km (0.051 R)
• M21: 12,407,049 km (0.117 R)
• M22: 14,432,155 km (0.089 R)
• M23: 16,741,199 km (0.101 R)
• M24: 17,260,752 km (0.084 R)
• M25: 17,714,781 km (0.092 R)
• M26: 21,550,321 km (0.103 R)
• M27: 22,972,997 km (0.086 R)
• M28: 23,893,323 km (0.116 R)
• M29: 24,837,884 km (0.113 R)
• M30: 30,373,155 km (0.117 R)
• M31: 30,702,719 km (0.065 R)
• M32: 34,249,685 km (0.083 R)
• M33: 34,726,453 km (0.111 R)
• M34: 35,693,154 km (0.117 R)
• M35: 36,060,118 km (0.115 R)
• M36: 39,739,627 km (0.116 R)
• M37: 41,872,893 km (0.044 R)
• M38: 50,861,630 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 879.9

Radius: 4.1

Gravity: 52.34 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.12 AU - 8.6 AU

Year: 13315 Days

Day: 24.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 48,046,353 km

• M1: 51,013 km (0.1 R)
• M2: 186,249 km (0.11 R)
• M3: 344,524 km (0.108 R)
• M4: 547,528 km (0.065 R)
• M5: 807,679 km (0.1 R)
• M6: 955,182 km (0.118 R)
• M7: 1,145,770 km (0.071 R)
• M8: 1,419,534 km (0.096 R)
• M9: 1,652,308 km (0.077 R)
• M10: 2,661,047 km (0.114 R)
• M11: 2,966,526 km (0.112 R)
• M12: 4,752,874 km (0.029 R)
• M13: 6,224,468 km (0.108 R)
• M14: 6,386,632 km (0.111 R)
• M15: 6,804,160 km (0.095 R)
• M16: 7,329,099 km (0.111 R)
• M17: 7,880,367 km (0.094 R)
• M18: 8,558,045 km (0.088 R)
• M19: 8,809,220 km (0.114 R)
• M20: 9,432,146 km (0.086 R)
• M21: 10,364,140 km (0.081 R)
• M22: 10,591,978 km (0.09 R)
• M23: 10,940,092 km (0.11 R)
• M24: 13,058,398 km (0.034 R)
• M25: 22,987,209 km (0.114 R)
• M26: 24,463,291 km (0.093 R)
• M27: 27,930,970 km (0.057 R)
• M28: 29,268,973 km (0.064 R)
• M29: 29,953,682 km (0.101 R)
• M30: 31,592,976 km (0.073 R)
• M31: 31,951,861 km (0.107 R)
• M32: 32,922,153 km (0.094 R)
• M33: 39,573,873 km (0.106 R)
• M34: 39,851,526 km (0.105 R)
• M35: 47,535,471 km (0.085 R)
• M36: 48,480,930 km (0.108 R)
• M37: 50,572,308 km (0.102 R)
• M38: 52,221,326 km (0.091 R)
• M39: 52,890,926 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.6

Radius: 5.4

Gravity: 14.49 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 7.72 AU - 9.4 AU

Year: 16701 Days

Day: 18 Hours

Environment

Temp: -243 °C

Axial Tilt: 172 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,046,353 km

• M1: 67,169 km (0.084 R)
• M2: 293,511 km (0.106 R)
• M3: 519,254 km (0.115 R)
• M4: 890,407 km (0.094 R)
• M5: 1,110,764 km (0.106 R)
• M6: 1,313,170 km (0.082 R)
• M7: 1,727,107 km (0.066 R)
• M8: 2,018,524 km (0.091 R)
• M9: 2,926,284 km (0.04 R)
• M10: 3,794,251 km (0.101 R)
• M11: 4,257,256 km (0.082 R)
• M12: 6,100,003 km (0.082 R)
• M13: 6,451,707 km (0.043 R)
• M14: 13,412,347 km (0.089 R)
• M15: 17,015,262 km (0.1 R)
• M16: 21,659,977 km (0.045 R)
• M17: 22,662,133 km (0.113 R)
• M18: 41,891,144 km (0.067 R)
• M19: 42,592,159 km (0.064 R)
• M20: 45,621,666 km (0.098 R)
• M21: 45,917,421 km (0.088 R)
• M22: 46,962,960 km (0.076 R)
• M23: 52,105,686 km (0.067 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172.1

Radius: 7.8

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 9.62 AU - 9.7 AU

Year: 20021 Days

Day: 23.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,046,353 km

• M1: 99,782 km (0.06 R)
• M2: 345,272 km (0.119 R)
• M3: 1,470,846 km (0.044 R)
• M4: 3,188,828 km (0.12 R)
• M5: 3,649,440 km (0.089 R)
• M6: 4,495,566 km (0.11 R)
• M7: 5,171,150 km (0.076 R)
• M8: 6,917,106 km (0.063 R)
• M9: 9,745,852 km (0.05 R)
• M10: 10,505,959 km (0.094 R)
• M11: 20,083,813 km (0.098 R)
• M12: 20,487,877 km (0.099 R)
• M13: 27,812,189 km (0.096 R)
• M14: 35,874,018 km (0.111 R)
• M15: 36,829,051 km (0.08 R)
• M16: 44,813,389 km (0.098 R)
• M17: 46,904,767 km (0.103 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 17,726 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit