🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.6

Radius: 11.6

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.61 AU - 0.63 AU

Year: 337 Days

Day: 6.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,926,864 km

• M1: 144,512 km (0.093 R)
• M2: 571,763 km (0.095 R)
• M3: 1,070,822 km (0.076 R)
• M4: 1,460,524 km (0.054 R)
• M5: 1,842,447 km (0.11 R)
• M6: 2,466,719 km (0.076 R)
• M7: 3,899,867 km (0.062 R)
• M8: 4,992,081 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.7

Radius: 9.7

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.83 AU - 0.91 AU

Year: 560 Days

Day: 8.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,926,864 km

• M1: 120,576 km (0.093 R)
• M2: 533,915 km (0.118 R)
• M3: 1,276,369 km (0.096 R)
• M4: 1,684,472 km (0.105 R)
• M5: 2,069,836 km (0.057 R)
• M6: 2,435,453 km (0.109 R)
• M7: 3,416,367 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.5

Radius: 13.2

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.49 AU - 1.75 AU

Year: 1423 Days

Day: 13.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,926,864 km

• M1: 167,250 km (0.115 R)
• M2: 789,129 km (0.078 R)
• M3: 1,552,527 km (0.029 R)
• M4: 2,016,131 km (0.107 R)
• M5: 2,572,784 km (0.112 R)
• M6: 3,231,314 km (0.055 R)
• M7: 4,039,442 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.1

Radius: 11.4

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.54 AU - 1.7 AU

Year: 1423 Days

Day: 8.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,926,864 km

• M1: 179,368 km (0.076 R)
• M2: 566,677 km (0.07 R)
• M3: 1,054,665 km (0.06 R)
• M4: 1,792,033 km (0.118 R)
• M5: 2,298,272 km (0.056 R)
• M6: 4,537,453 km (0.084 R)
• M7: 5,053,266 km (0.093 R)
• M8: 6,181,085 km (0.053 R)
• M9: 6,746,266 km (0.079 R)
• M10: 7,850,447 km (0.061 R)
• M11: 8,486,538 km (0.119 R)
• M12: 9,801,952 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716

Radius: 14.5

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.45 AU - 2.17 AU

Year: 1681 Days

Day: 5.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,926,864 km

• M1: 180,265 km (0.033 R)
• M2: 664,364 km (0.078 R)
• M3: 1,117,047 km (0.067 R)
• M4: 1,595,611 km (0.06 R)
• M5: 2,121,747 km (0.112 R)
• M6: 2,736,743 km (0.083 R)
• M7: 3,502,385 km (0.038 R)
• M8: 4,053,055 km (0.097 R)
• M9: 5,093,508 km (0.079 R)
• M10: 7,045,761 km (0.103 R)
• M11: 7,534,048 km (0.093 R)
• M12: 8,190,932 km (0.057 R)
• M13: 9,073,560 km (0.086 R)
• M14: 10,567,594 km (0.034 R)
• M15: 12,375,185 km (0.099 R)
• M16: 13,128,859 km (0.111 R)
• M17: 14,124,582 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789

Radius: 8.3

Gravity: 11.45 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.65 AU - 2.25 AU

Year: 1880 Days

Day: 13 Hours

Environment

Temp: -193 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,926,864 km

• M1: 103,372 km (0.098 R)
• M2: 368,609 km (0.1 R)
• M3: 724,652 km (0.101 R)
• M4: 1,045,540 km (0.09 R)
• M5: 1,405,771 km (0.083 R)
• M6: 1,718,880 km (0.104 R)
• M7: 1,995,486 km (0.111 R)
• M8: 4,161,065 km (0.096 R)
• M9: 5,844,041 km (0.049 R)
• M10: 7,098,269 km (0.096 R)
• M11: 8,397,676 km (0.11 R)
• M12: 9,437,382 km (0.1 R)
• M13: 9,918,339 km (0.108 R)
• M14: 10,271,689 km (0.06 R)
• M15: 11,230,163 km (0.074 R)
• M16: 11,888,393 km (0.069 R)
• M17: 12,206,887 km (0.086 R)
• M18: 12,736,613 km (0.08 R)
• M19: 14,553,180 km (0.056 R)
• M20: 15,382,251 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.2

Radius: 13.5

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.2 AU - 2.2 AU

Year: 2252 Days

Day: 6.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,926,864 km

• M1: 167,998 km (0.104 R)
• M2: 752,028 km (0.092 R)
• M3: 1,275,771 km (0.114 R)
• M4: 1,998,628 km (0.078 R)
• M5: 2,549,597 km (0.038 R)
• M6: 3,707,783 km (0.1 R)
• M7: 4,267,728 km (0.096 R)
• M8: 5,488,447 km (0.07 R)
• M9: 5,918,989 km (0.071 R)
• M10: 6,633,918 km (0.086 R)
• M11: 8,453,925 km (0.047 R)
• M12: 9,161,972 km (0.03 R)
• M13: 9,804,944 km (0.083 R)
• M14: 10,477,984 km (0.073 R)
• M15: 11,641,856 km (0.108 R)
• M16: 12,973,875 km (0.09 R)
• M17: 15,700,147 km (0.091 R)
• M18: 16,327,112 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.1

Radius: 7.2

Gravity: 14.51 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 6.21 AU - 6.29 AU

Year: 10785 Days

Day: 16.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 98.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 42,926,864 km

• M1: 89,609 km (0.068 R)
• M2: 335,698 km (0.073 R)
• M3: 696,827 km (0.091 R)
• M4: 991,535 km (0.115 R)
• M5: 1,342,641 km (0.089 R)
• M6: 2,373,221 km (0.106 R)
• M7: 3,169,081 km (0.1 R)
• M8: 4,103,170 km (0.064 R)
• M9: 4,695,279 km (0.098 R)
• M10: 5,445,213 km (0.052 R)
• M11: 6,424,481 km (0.073 R)
• M12: 6,696,599 km (0.098 R)
• M13: 7,222,136 km (0.119 R)
• M14: 9,354,056 km (0.085 R)
• M15: 10,643,889 km (0.058 R)
• M16: 11,472,511 km (0.039 R)
• M17: 12,582,677 km (0.082 R)
• M18: 15,151,272 km (0.088 R)
• M19: 15,564,462 km (0.113 R)
• M20: 18,592,472 km (0.101 R)
• M21: 21,298,099 km (0.1 R)
• M22: 22,255,526 km (0.072 R)
• M23: 22,969,407 km (0.039 R)
• M24: 25,589,015 km (0.115 R)
• M25: 26,870,321 km (0.103 R)
• M26: 31,860,008 km (0.11 R)
• M27: 43,210,148 km (0.119 R)
• M28: 44,180,590 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 365.8

Radius: 5.2

Gravity: 13.53 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 6.07 AU - 7.05 AU

Year: 11598 Days

Day: 23.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,926,864 km

• M1: 64,626 km (0.091 R)
• M2: 233,672 km (0.054 R)
• M3: 461,659 km (0.114 R)
• M4: 758,760 km (0.05 R)
• M5: 2,271,195 km (0.073 R)
• M6: 2,807,802 km (0.101 R)
• M7: 6,409,820 km (0.104 R)
• M8: 7,234,852 km (0.108 R)
• M9: 8,822,983 km (0.057 R)
• M10: 9,889,616 km (0.104 R)
• M11: 10,629,826 km (0.09 R)
• M12: 11,248,114 km (0.117 R)
• M13: 15,535,589 km (0.028 R)
• M14: 16,738,805 km (0.102 R)
• M15: 19,862,259 km (0.106 R)
• M16: 23,353,275 km (0.107 R)
• M17: 24,750,369 km (0.068 R)
• M18: 27,327,492 km (0.057 R)
• M19: 35,893,017 km (0.077 R)
• M20: 37,749,826 km (0.11 R)
• M21: 40,777,836 km (0.101 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: 296 - 19,041 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit