🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.6

Radius: 10.4

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.75 AU - 1.21 AU

Year: 670 Days

Day: 5.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,962,987 km

• M1: 129,402 km (0.103 R)
• M2: 531,521 km (0.08 R)
• M3: 884,273 km (0.102 R)
• M4: 1,209,798 km (0.096 R)
• M5: 1,555,070 km (0.036 R)
• M6: 1,976,188 km (0.091 R)
• M7: 2,315,625 km (0.114 R)
• M8: 2,694,258 km (0.117 R)
• M9: 3,690,131 km (0.088 R)
• M10: 4,256,807 km (0.071 R)
• M11: 4,984,751 km (0.09 R)
• M12: 5,452,543 km (0.11 R)
• M13: 6,372,720 km (0.116 R)
• M14: 7,740,942 km (0.1 R)
• M15: 8,172,532 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.8

Radius: 12.5

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.1 AU - 1.38 AU

Year: 953 Days

Day: 9.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,962,987 km

• M1: 155,432 km (0.064 R)
• M2: 548,426 km (0.06 R)
• M3: 1,281,306 km (0.066 R)
• M4: 1,670,709 km (0.118 R)
• M5: 2,370,677 km (0.117 R)
• M6: 3,682,950 km (0.069 R)
• M7: 4,541,343 km (0.08 R)
• M8: 5,203,612 km (0.059 R)
• M9: 6,284,906 km (0.063 R)
• M10: 7,319,525 km (0.119 R)
• M11: 8,569,415 km (0.06 R)
• M12: 9,052,616 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.1

Radius: 14.2

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.11 AU - 3.11 AU

Year: 3786 Days

Day: 7.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,962,987 km

• M1: 176,675 km (0.05 R)
• M2: 807,380 km (0.067 R)
• M3: 1,292,226 km (0.12 R)
• M4: 1,858,454 km (0.114 R)
• M5: 2,418,998 km (0.113 R)
• M6: 5,070,769 km (0.112 R)
• M7: 6,584,401 km (0.098 R)
• M8: 7,033,194 km (0.113 R)
• M9: 8,565,675 km (0.091 R)
• M10: 9,069,521 km (0.089 R)
• M11: 10,954,753 km (0.107 R)
• M12: 11,893,031 km (0.036 R)
• M13: 15,350,238 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.5

Radius: 14.8

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.82 AU - 4.28 AU

Year: 4617 Days

Day: 5.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,962,987 km

• M1: 184,155 km (0.106 R)
• M2: 743,950 km (0.055 R)
• M3: 1,328,728 km (0.101 R)
• M4: 2,268,801 km (0.11 R)
• M5: 3,145,146 km (0.091 R)
• M6: 3,751,017 km (0.098 R)
• M7: 5,629,517 km (0.103 R)
• M8: 6,145,331 km (0.09 R)
• M9: 7,414,070 km (0.119 R)
• M10: 8,035,650 km (0.099 R)
• M11: 10,023,955 km (0.067 R)
• M12: 10,693,705 km (0.052 R)
• M13: 11,827,208 km (0.079 R)
• M14: 13,196,627 km (0.086 R)
• M15: 14,896,657 km (0.054 R)
• M16: 16,431,830 km (0.114 R)
• M17: 18,996,237 km (0.078 R)
• M18: 19,470,911 km (0.079 R)
• M19: 22,943,676 km (0.096 R)
• M20: 26,388,167 km (0.113 R)
• M21: 27,321,957 km (0.078 R)
• M22: 28,986,682 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.5

Radius: 4.8

Gravity: 30.06 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6.06 AU - 6.98 AU

Year: 11492 Days

Day: 17.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 71,962,987 km

• M1: 63,280 km (0.104 R)
• M2: 347,067 km (0.104 R)
• M3: 569,220 km (0.049 R)
• M4: 1,615,059 km (0.102 R)
• M5: 2,730,161 km (0.1 R)
• M6: 3,068,252 km (0.038 R)
• M7: 4,519,950 km (0.115 R)
• M8: 5,191,196 km (0.065 R)
• M9: 5,709,702 km (0.067 R)
• M10: 6,074,122 km (0.093 R)
• M11: 6,729,062 km (0.084 R)
• M12: 7,094,230 km (0.084 R)
• M13: 7,644,900 km (0.081 R)
• M14: 8,132,739 km (0.096 R)
• M15: 9,823,045 km (0.097 R)
• M16: 11,908,738 km (0.119 R)
• M17: 12,869,007 km (0.079 R)
• M18: 14,009,841 km (0.096 R)
• M19: 14,604,791 km (0.119 R)
• M20: 15,010,650 km (0.085 R)
• M21: 18,298,064 km (0.074 R)
• M22: 19,655,365 km (0.099 R)
• M23: 20,822,528 km (0.116 R)
• M24: 23,111,225 km (0.101 R)
• M25: 23,754,795 km (0.088 R)
• M26: 24,316,087 km (0.084 R)
• M27: 25,757,612 km (0.101 R)
• M28: 27,870,083 km (0.07 R)
• M29: 32,208,272 km (0.029 R)
• M30: 34,656,292 km (0.076 R)
• M31: 38,364,374 km (0.079 R)
• M32: 43,987,758 km (0.087 R)
• M33: 44,691,765 km (0.053 R)
• M34: 47,878,649 km (0.07 R)
• M35: 48,773,244 km (0.12 R)
• M36: 49,073,936 km (0.108 R)
• M37: 50,136,230 km (0.036 R)
• M38: 50,289,119 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.7

Radius: 5.8

Gravity: 20.86 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.01 AU - 8.69 AU

Year: 13754 Days

Day: 15.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 108 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,962,987 km

• M1: 72,106 km (0.081 R)
• M2: 290,070 km (0.101 R)
• M3: 556,803 km (0.065 R)
• M4: 960,718 km (0.118 R)
• M5: 1,195,586 km (0.066 R)
• M6: 3,194,663 km (0.079 R)
• M7: 3,978,855 km (0.093 R)
• M8: 4,589,812 km (0.118 R)
• M9: 6,190,360 km (0.084 R)
• M10: 6,881,652 km (0.062 R)
• M11: 7,355,578 km (0.097 R)
• M12: 10,002,862 km (0.069 R)
• M13: 12,581,929 km (0.047 R)
• M14: 13,224,452 km (0.095 R)
• M15: 13,687,008 km (0.101 R)
• M16: 14,644,584 km (0.09 R)
• M17: 14,997,037 km (0.108 R)
• M18: 15,355,174 km (0.113 R)
• M19: 19,006,260 km (0.054 R)
• M20: 20,023,376 km (0.114 R)
• M21: 29,389,250 km (0.083 R)
• M22: 30,862,490 km (0.091 R)
• M23: 34,448,500 km (0.114 R)
• M24: 37,117,775 km (0.096 R)
• M25: 39,921,837 km (0.088 R)
• M26: 42,863,829 km (0.09 R)
• M27: 45,051,698 km (0.049 R)
• M28: 45,348,949 km (0.099 R)
• M29: 46,550,818 km (0.062 R)
• M30: 49,965,539 km (0.079 R)
• M31: 56,250,445 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.8

Radius: 3.8

Gravity: 18.82 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 7.05 AU - 9.45 AU

Year: 16357 Days

Day: 17.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,962,987 km

• M1: 47,273 km (0.066 R)
• M2: 172,935 km (0.055 R)
• M3: 318,195 km (0.104 R)
• M4: 525,986 km (0.094 R)
• M5: 657,183 km (0.08 R)
• M6: 857,196 km (0.057 R)
• M7: 1,202,019 km (0.067 R)
• M8: 1,950,307 km (0.099 R)
• M9: 2,123,841 km (0.053 R)
• M10: 2,813,338 km (0.078 R)
• M11: 3,365,055 km (0.043 R)
• M12: 4,528,477 km (0.093 R)
• M13: 5,551,577 km (0.071 R)
• M14: 6,044,203 km (0.116 R)
• M15: 6,876,416 km (0.109 R)
• M16: 7,911,483 km (0.085 R)
• M17: 8,672,039 km (0.103 R)
• M18: 9,046,333 km (0.092 R)
• M19: 10,757,882 km (0.112 R)
• M20: 13,155,338 km (0.06 R)
• M21: 13,649,160 km (0.116 R)
• M22: 14,937,647 km (0.12 R)
• M23: 15,070,789 km (0.073 R)
• M24: 18,053,321 km (0.058 R)
• M25: 18,739,976 km (0.11 R)
• M26: 22,348,725 km (0.114 R)
• M27: 24,499,793 km (0.098 R)
• M28: 32,104,152 km (0.12 R)
• M29: 32,326,005 km (0.077 R)
• M30: 36,737,647 km (0.093 R)
• M31: 37,591,851 km (0.118 R)
• M32: 41,797,645 km (0.088 R)
• M33: 45,323,966 km (0.12 R)
• M34: 45,463,391 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687.8

Radius: 5.7

Gravity: 21.17 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.06 AU - 9.76 AU

Year: 18358 Days

Day: 17 Hours

Environment

Temp: -242 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,962,987 km

• M1: 70,909 km (0.082 R)
• M2: 376,538 km (0.061 R)
• M3: 681,269 km (0.109 R)
• M4: 868,116 km (0.107 R)
• M5: 1,363,884 km (0.079 R)
• M6: 1,842,447 km (0.111 R)
• M7: 2,110,676 km (0.059 R)
• M8: 3,287,264 km (0.114 R)
• M9: 4,535,359 km (0.106 R)
• M10: 7,023,022 km (0.117 R)
• M11: 9,890,663 km (0.112 R)
• M12: 11,018,182 km (0.083 R)
• M13: 11,265,916 km (0.118 R)
• M14: 16,630,945 km (0.101 R)
• M15: 17,204,802 km (0.059 R)
• M16: 20,833,598 km (0.096 R)
• M17: 21,308,422 km (0.065 R)
• M18: 21,693,337 km (0.03 R)
• M19: 22,477,230 km (0.047 R)
• M20: 23,279,673 km (0.099 R)
• M21: 23,688,075 km (0.09 R)
• M22: 24,624,408 km (0.115 R)
• M23: 27,467,366 km (0.11 R)
• M24: 31,505,312 km (0.096 R)
• M25: 32,130,780 km (0.11 R)
• M26: 32,383,152 km (0.118 R)
• M27: 33,148,345 km (0.067 R)
• M28: 33,535,504 km (0.072 R)
• M29: 37,574,198 km (0.084 R)
• M30: 44,065,998 km (0.088 R)
• M31: 52,131,567 km (0.074 R)
• M32: 56,052,377 km (0.115 R)
• M33: 56,235,186 km (0.115 R)
• M34: 62,295,097 km (0.103 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: 376 - 16,407 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit