🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.9

Radius: 12.6

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.06 AU - 1.2 AU

Year: 801 Days

Day: 13.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,982,648 km

• M1: 156,629 km (0.081 R)
• M2: 585,975 km (0.063 R)
• M3: 1,055,263 km (0.113 R)
• M4: 1,584,989 km (0.101 R)
• M5: 2,443,382 km (0.066 R)
• M6: 2,870,334 km (0.099 R)
• M7: 3,739,797 km (0.1 R)
• M8: 6,103,743 km (0.119 R)
• M9: 6,581,558 km (0.09 R)
• M10: 7,131,330 km (0.078 R)
• M11: 7,661,954 km (0.115 R)
• M12: 8,481,002 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.2

Radius: 9.8

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.04 AU - 1.38 AU

Year: 888 Days

Day: 10 Hours

Environment

Temp: -182 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,982,648 km

• M1: 121,922 km (0.03 R)
• M2: 480,060 km (0.048 R)
• M3: 823,387 km (0.116 R)
• M4: 1,667,268 km (0.039 R)
• M5: 1,975,889 km (0.045 R)
• M6: 2,636,064 km (0.082 R)
• M7: 3,100,715 km (0.087 R)
• M8: 3,527,219 km (0.073 R)
• M9: 4,325,323 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.9

Radius: 14.4

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.27 AU - 1.77 AU

Year: 1250 Days

Day: 7 Hours

Environment

Temp: -193 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 76,982,648 km

• M1: 179,069 km (0.11 R)
• M2: 630,555 km (0.092 R)
• M3: 1,101,639 km (0.089 R)
• M4: 3,651,684 km (0.037 R)
• M5: 6,811,939 km (0.103 R)
• M6: 7,674,221 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.5

Radius: 9.4

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.15 AU - 5.13 AU

Year: 5617 Days

Day: 7.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 76,982,648 km

• M1: 116,986 km (0.06 R)
• M2: 495,468 km (0.077 R)
• M3: 1,123,779 km (0.087 R)
• M4: 1,438,234 km (0.116 R)
• M5: 1,838,259 km (0.089 R)
• M6: 2,312,035 km (0.045 R)
• M7: 3,012,303 km (0.08 R)
• M8: 3,630,890 km (0.102 R)
• M9: 4,727,442 km (0.066 R)
• M10: 5,562,946 km (0.043 R)
• M11: 5,941,429 km (0.113 R)
• M12: 6,430,913 km (0.115 R)
• M13: 6,880,904 km (0.111 R)
• M14: 8,135,431 km (0.042 R)
• M15: 10,121,942 km (0.087 R)
• M16: 11,458,150 km (0.1 R)
• M17: 13,060,044 km (0.074 R)
• M18: 13,469,792 km (0.116 R)
• M19: 13,835,409 km (0.111 R)
• M20: 14,369,025 km (0.074 R)
• M21: 15,027,555 km (0.102 R)
• M22: 16,942,557 km (0.062 R)
• M23: 19,276,882 km (0.042 R)
• M24: 19,808,404 km (0.106 R)
• M25: 20,349,798 km (0.089 R)
• M26: 21,603,728 km (0.079 R)
• M27: 22,761,017 km (0.103 R)
• M28: 23,056,772 km (0.105 R)
• M29: 28,058,876 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.5

Radius: 14.6

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.52 AU - 5.7 AU

Year: 7703 Days

Day: 12.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,982,648 km

• M1: 181,612 km (0.119 R)
• M2: 807,380 km (0.09 R)
• M3: 1,324,091 km (0.057 R)
• M4: 1,829,582 km (0.116 R)
• M5: 2,395,660 km (0.112 R)
• M6: 3,535,297 km (0.046 R)
• M7: 4,267,279 km (0.113 R)
• M8: 5,157,835 km (0.109 R)
• M9: 7,234,104 km (0.096 R)
• M10: 8,050,161 km (0.077 R)
• M11: 8,926,804 km (0.108 R)
• M12: 10,870,529 km (0.112 R)
• M13: 12,100,822 km (0.111 R)
• M14: 13,082,932 km (0.089 R)
• M15: 14,000,117 km (0.087 R)
• M16: 15,644,497 km (0.118 R)
• M17: 16,677,919 km (0.116 R)
• M18: 17,346,621 km (0.118 R)
• M19: 20,052,248 km (0.116 R)
• M20: 20,808,615 km (0.094 R)
• M21: 22,620,694 km (0.036 R)
• M22: 27,102,197 km (0.08 R)
• M23: 30,431,947 km (0.051 R)
• M24: 33,813,008 km (0.112 R)
• M25: 37,210,226 km (0.036 R)
• M26: 37,664,555 km (0.117 R)
• M27: 39,049,831 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.5

Radius: 3.2

Gravity: 68.7 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 7.62 AU - 8.38 AU

Year: 15089 Days

Day: 15.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 76,982,648 km

• M1: 39,943 km (0.104 R)
• M2: 267,481 km (0.1 R)
• M3: 533,316 km (0.106 R)
• M4: 680,521 km (0.094 R)
• M5: 1,157,289 km (0.12 R)
• M6: 1,305,241 km (0.113 R)
• M7: 1,496,278 km (0.047 R)
• M8: 2,123,243 km (0.085 R)
• M9: 2,324,751 km (0.092 R)
• M10: 2,560,966 km (0.1 R)
• M11: 3,260,336 km (0.115 R)
• M12: 3,392,730 km (0.089 R)
• M13: 4,294,805 km (0.119 R)
• M14: 4,852,057 km (0.034 R)
• M15: 5,680,530 km (0.077 R)
• M16: 5,795,122 km (0.075 R)
• M17: 6,309,589 km (0.113 R)
• M18: 6,640,949 km (0.106 R)
• M19: 8,083,222 km (0.09 R)
• M20: 9,940,779 km (0.052 R)
• M21: 11,507,517 km (0.109 R)
• M22: 11,752,708 km (0.052 R)
• M23: 12,574,000 km (0.059 R)
• M24: 13,365,523 km (0.117 R)
• M25: 14,329,980 km (0.096 R)
• M26: 14,829,338 km (0.119 R)
• M27: 17,100,981 km (0.098 R)
• M28: 22,700,280 km (0.114 R)
• M29: 23,280,421 km (0.113 R)
• M30: 33,954,827 km (0.04 R)
• M31: 34,080,340 km (0.119 R)
• M32: 36,922,849 km (0.118 R)
• M33: 42,342,929 km (0.112 R)
• M34: 42,634,346 km (0.093 R)
• M35: 45,317,384 km (0.064 R)
• M36: 57,531,900 km (0.119 R)
• M37: 58,970,733 km (0.057 R)
• M38: 63,621,132 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 560.8

Radius: 3.7

Gravity: 40.96 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 9.98 AU - 10.9 AU

Year: 22495 Days

Day: 20.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 76,982,648 km

• M1: 46,076 km (0.091 R)
• M2: 163,062 km (0.089 R)
• M3: 327,021 km (0.101 R)
• M4: 458,368 km (0.107 R)
• M5: 599,139 km (0.089 R)
• M6: 887,714 km (0.053 R)
• M7: 1,205,460 km (0.114 R)
• M8: 1,611,468 km (0.068 R)
• M9: 1,883,886 km (0.088 R)
• M10: 2,272,092 km (0.096 R)
• M11: 2,473,750 km (0.115 R)
• M12: 3,401,556 km (0.044 R)
• M13: 4,574,852 km (0.095 R)
• M14: 5,665,122 km (0.033 R)
• M15: 7,103,655 km (0.072 R)
• M16: 7,389,088 km (0.038 R)
• M17: 9,320,995 km (0.066 R)
• M18: 10,432,956 km (0.113 R)
• M19: 11,695,711 km (0.118 R)
• M20: 13,127,662 km (0.091 R)
• M21: 15,448,823 km (0.116 R)
• M22: 20,120,166 km (0.065 R)
• M23: 22,671,557 km (0.117 R)
• M24: 27,234,891 km (0.038 R)
• M25: 32,244,624 km (0.043 R)
• M26: 33,553,456 km (0.115 R)
• M27: 34,220,812 km (0.094 R)
• M28: 40,330,539 km (0.073 R)
• M29: 42,002,594 km (0.058 R)
• M30: 50,534,460 km (0.05 R)
• M31: 53,555,888 km (0.077 R)
• M32: 58,214,515 km (0.025 R)
• M33: 66,636,427 km (0.095 R)
• M34: 72,902,334 km (0.115 R)
• M35: 76,063,037 km (0.103 R)
• M36: 76,752,085 km (0.092 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: 330 - 15,315 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit