🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.1

Radius: 8.6

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.59 AU - 0.97 AU

Year: 452 Days

Day: 5 Hours

Environment

Temp: -140 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,937,432 km

• M1: 108,758 km (0.033 R)
• M2: 462,706 km (0.115 R)
• M3: 783,743 km (0.069 R)
• M4: 1,145,770 km (0.067 R)
• M5: 1,711,100 km (0.116 R)
• M6: 2,215,993 km (0.072 R)
• M7: 2,874,972 km (0.096 R)
• M8: 3,282,327 km (0.07 R)
• M9: 3,857,381 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.2

Radius: 8.3

Gravity: 13.68 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.53 AU - 2.15 AU

Year: 1637 Days

Day: 6.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,937,432 km

• M1: 103,372 km (0.076 R)
• M2: 401,521 km (0.026 R)
• M3: 1,000,810 km (0.114 R)
• M4: 1,453,493 km (0.097 R)
• M5: 2,144,635 km (0.097 R)
• M6: 3,276,642 km (0.098 R)
• M7: 3,561,327 km (0.07 R)
• M8: 5,752,487 km (0.106 R)
• M9: 6,218,933 km (0.061 R)
• M10: 7,800,332 km (0.116 R)
• M11: 8,621,026 km (0.117 R)
• M12: 9,464,608 km (0.108 R)
• M13: 12,771,021 km (0.095 R)
• M14: 14,127,125 km (0.096 R)
• M15: 15,251,503 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.2

Radius: 9.8

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.39 AU - 2.69 AU

Year: 2656 Days

Day: 10.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,937,432 km

• M1: 121,922 km (0.117 R)
• M2: 460,761 km (0.069 R)
• M3: 847,771 km (0.114 R)
• M4: 1,195,586 km (0.106 R)
• M5: 1,618,499 km (0.026 R)
• M6: 2,769,954 km (0.112 R)
• M7: 3,078,425 km (0.08 R)
• M8: 3,631,339 km (0.065 R)
• M9: 4,355,392 km (0.104 R)
• M10: 6,361,949 km (0.043 R)
• M11: 6,991,157 km (0.114 R)
• M12: 7,819,630 km (0.12 R)
• M13: 8,307,319 km (0.073 R)
• M14: 10,043,403 km (0.109 R)
• M15: 10,659,297 km (0.09 R)
• M16: 11,341,164 km (0.113 R)
• M17: 11,671,925 km (0.117 R)
• M18: 12,439,661 km (0.103 R)
• M19: 13,195,430 km (0.066 R)
• M20: 13,840,645 km (0.108 R)
• M21: 15,799,929 km (0.118 R)
• M22: 16,369,747 km (0.106 R)
• M23: 18,217,729 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.2

Radius: 13.2

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.53 AU - 2.67 AU

Year: 2750 Days

Day: 13.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,937,432 km

• M1: 165,455 km (0.104 R)
• M2: 782,397 km (0.066 R)
• M3: 1,386,623 km (0.113 R)
• M4: 1,884,335 km (0.114 R)
• M5: 2,435,304 km (0.098 R)
• M6: 3,331,993 km (0.087 R)
• M7: 3,866,507 km (0.09 R)
• M8: 4,538,799 km (0.104 R)
• M9: 5,022,150 km (0.109 R)
• M10: 5,994,087 km (0.064 R)
• M11: 6,577,519 km (0.041 R)
• M12: 7,423,794 km (0.043 R)
• M13: 8,843,777 km (0.086 R)
• M14: 10,224,266 km (0.097 R)
• M15: 13,925,318 km (0.103 R)
• M16: 14,588,934 km (0.107 R)
• M17: 15,366,394 km (0.092 R)
• M18: 15,979,446 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.4

Radius: 10.3

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.1 AU - 3.14 AU

Year: 3615 Days

Day: 14.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,937,432 km

• M1: 128,056 km (0.102 R)
• M2: 452,982 km (0.06 R)
• M3: 818,749 km (0.107 R)
• M4: 1,241,363 km (0.112 R)
• M5: 1,578,856 km (0.052 R)
• M6: 2,391,472 km (0.063 R)
• M7: 2,938,401 km (0.09 R)
• M8: 4,804,186 km (0.065 R)
• M9: 5,949,059 km (0.094 R)
• M10: 6,359,705 km (0.114 R)
• M11: 7,470,170 km (0.102 R)
• M12: 8,010,068 km (0.063 R)
• M13: 9,303,342 km (0.117 R)
• M14: 10,288,145 km (0.065 R)
• M15: 10,881,300 km (0.101 R)
• M16: 13,224,452 km (0.073 R)
• M17: 14,422,432 km (0.045 R)
• M18: 15,643,001 km (0.071 R)
• M19: 16,778,897 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 502.5

Radius: 7.8

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.12 AU - 8.14 AU

Year: 12489 Days

Day: 22.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,937,432 km

• M1: 97,089 km (0.091 R)
• M2: 393,742 km (0.086 R)
• M3: 1,502,860 km (0.047 R)
• M4: 2,169,618 km (0.048 R)
• M5: 2,490,505 km (0.119 R)
• M6: 3,520,487 km (0.04 R)
• M7: 3,884,309 km (0.091 R)
• M8: 4,388,603 km (0.109 R)
• M9: 5,392,255 km (0.054 R)
• M10: 8,108,354 km (0.098 R)
• M11: 9,560,202 km (0.04 R)
• M12: 10,321,655 km (0.086 R)
• M13: 12,969,836 km (0.099 R)
• M14: 13,399,631 km (0.083 R)
• M15: 13,649,459 km (0.091 R)
• M16: 15,214,253 km (0.097 R)
• M17: 16,750,474 km (0.083 R)
• M18: 17,630,558 km (0.044 R)
• M19: 18,773,785 km (0.073 R)
• M20: 20,128,094 km (0.078 R)
• M21: 21,122,621 km (0.108 R)
• M22: 21,376,339 km (0.067 R)
• M23: 22,236,527 km (0.076 R)
• M24: 23,389,029 km (0.116 R)
• M25: 24,117,870 km (0.089 R)
• M26: 28,811,802 km (0.119 R)
• M27: 29,333,300 km (0.111 R)
• M28: 42,190,938 km (0.045 R)
• M29: 42,728,293 km (0.105 R)
• M30: 45,483,737 km (0.1 R)
• M31: 46,048,768 km (0.112 R)
• M32: 48,209,111 km (0.089 R)
• M33: 48,796,432 km (0.092 R)
• M34: 49,388,540 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 487.4

Radius: 3.4

Gravity: 42.16 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.37 AU - 8.43 AU

Year: 15971 Days

Day: 15.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,937,432 km

• M1: 42,486 km (0.097 R)
• M2: 170,691 km (0.049 R)
• M3: 344,823 km (0.1 R)
• M4: 681,568 km (0.119 R)
• M5: 870,360 km (0.068 R)
• M6: 2,047,995 km (0.111 R)
• M7: 2,860,012 km (0.057 R)
• M8: 3,809,659 km (0.052 R)
• M9: 4,527,430 km (0.082 R)
• M10: 4,884,670 km (0.099 R)
• M11: 5,156,190 km (0.116 R)
• M12: 6,108,231 km (0.105 R)
• M13: 6,666,530 km (0.118 R)
• M14: 6,916,059 km (0.116 R)
• M15: 7,214,806 km (0.097 R)
• M16: 7,345,555 km (0.109 R)
• M17: 9,976,532 km (0.072 R)
• M18: 11,382,902 km (0.111 R)
• M19: 12,725,393 km (0.102 R)
• M20: 15,143,792 km (0.07 R)
• M21: 18,413,104 km (0.078 R)
• M22: 25,387,207 km (0.039 R)
• M23: 27,449,564 km (0.107 R)
• M24: 28,196,955 km (0.114 R)
• M25: 29,067,764 km (0.025 R)
• M26: 29,956,226 km (0.034 R)
• M27: 30,862,639 km (0.104 R)
• M28: 31,207,163 km (0.114 R)
• M29: 34,795,118 km (0.113 R)
• M30: 37,594,543 km (0.049 R)
• M31: 38,515,767 km (0.088 R)
• M32: 41,788,370 km (0.118 R)
• M33: 44,070,186 km (0.09 R)
• M34: 48,880,057 km (0.117 R)
• M35: 52,057,217 km (0.084 R)
• M36: 56,732,599 km (0.047 R)
• M37: 56,904,487 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.7

Radius: 6.1

Gravity: 18.13 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.72 AU - 10.29 AU

Year: 16257 Days

Day: 17.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,937,432 km

• M1: 75,996 km (0.114 R)
• M2: 556,803 km (0.062 R)
• M3: 898,335 km (0.105 R)
• M4: 1,682,228 km (0.094 R)
• M5: 1,963,023 km (0.074 R)
• M6: 2,687,376 km (0.117 R)
• M7: 2,899,656 km (0.1 R)
• M8: 3,576,885 km (0.107 R)
• M9: 4,165,852 km (0.066 R)
• M10: 4,386,509 km (0.036 R)
• M11: 5,203,463 km (0.079 R)
• M12: 7,001,480 km (0.114 R)
• M13: 7,268,961 km (0.075 R)
• M14: 8,161,312 km (0.05 R)
• M15: 8,710,037 km (0.075 R)
• M16: 9,443,814 km (0.065 R)
• M17: 10,274,831 km (0.114 R)
• M18: 17,099,485 km (0.104 R)
• M19: 19,884,549 km (0.117 R)
• M20: 21,995,375 km (0.117 R)
• M21: 26,120,686 km (0.116 R)
• M22: 29,561,886 km (0.102 R)
• M23: 31,451,008 km (0.114 R)
• M24: 37,327,810 km (0.109 R)
• M25: 40,380,504 km (0.094 R)
• M26: 44,197,943 km (0.118 R)
• M27: 56,365,785 km (0.037 R)
• M28: 62,254,256 km (0.081 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 558 - 10,837 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit