🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.5

Radius: 14.2

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.79 AU - 0.97 AU

Year: 550 Days

Day: 14.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 66,129,076 km

• M1: 176,675 km (0.057 R)
• M2: 930,349 km (0.074 R)
• M3: 1,854,714 km (0.088 R)
• M4: 2,772,647 km (0.108 R)
• M5: 3,361,015 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.7

Radius: 14.7

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.27 AU - 1.39 AU

Year: 1023 Days

Day: 14.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,129,076 km

• M1: 183,108 km (0.119 R)
• M2: 906,862 km (0.092 R)
• M3: 1,391,410 km (0.094 R)
• M4: 2,111,574 km (0.12 R)
• M5: 2,626,340 km (0.098 R)
• M6: 3,546,517 km (0.067 R)
• M7: 4,121,870 km (0.12 R)
• M8: 4,951,390 km (0.081 R)
• M9: 5,607,975 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.6

Radius: 14.6

Gravity: 0.05 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.3 AU - 1.56 AU

Year: 1140 Days

Day: 13.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 66,129,076 km

• M1: 181,612 km (0.086 R)
• M2: 689,347 km (0.111 R)
• M3: 1,335,311 km (0.112 R)
• M4: 1,961,976 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.7

Radius: 8.8

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.82 AU - 1.88 AU

Year: 1678 Days

Day: 11.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,129,076 km

• M1: 109,655 km (0.119 R)
• M2: 399,576 km (0.118 R)
• M3: 1,245,851 km (0.092 R)
• M4: 1,778,569 km (0.118 R)
• M5: 2,079,111 km (0.072 R)
• M6: 3,358,771 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.6

Radius: 9.4

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.82 AU - 4.24 AU

Year: 4423 Days

Day: 10.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,129,076 km

• M1: 119,529 km (0.115 R)
• M2: 571,314 km (0.115 R)
• M3: 1,294,470 km (0.108 R)
• M4: 2,017,926 km (0.063 R)
• M5: 3,042,671 km (0.102 R)
• M6: 4,382,021 km (0.102 R)
• M7: 8,103,417 km (0.104 R)
• M8: 8,967,345 km (0.111 R)
• M9: 9,615,702 km (0.03 R)
• M10: 10,294,877 km (0.104 R)
• M11: 10,835,523 km (0.106 R)
• M12: 18,945,074 km (0.074 R)
• M13: 19,567,701 km (0.097 R)
• M14: 24,388,043 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.8

Radius: 10.2

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.79 AU - 4.99 AU

Year: 6134 Days

Day: 9.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,129,076 km

• M1: 127,009 km (0.102 R)
• M2: 607,218 km (0.09 R)
• M3: 948,451 km (0.095 R)
• M4: 1,354,758 km (0.107 R)
• M5: 2,020,020 km (0.106 R)
• M6: 2,512,347 km (0.118 R)
• M7: 2,890,231 km (0.098 R)
• M8: 3,946,093 km (0.101 R)
• M9: 4,485,094 km (0.106 R)
• M10: 5,044,739 km (0.06 R)
• M11: 5,443,268 km (0.103 R)
• M12: 5,771,187 km (0.098 R)
• M13: 6,665,782 km (0.111 R)
• M14: 10,351,574 km (0.06 R)
• M15: 11,329,944 km (0.082 R)
• M16: 12,317,889 km (0.062 R)
• M17: 12,990,182 km (0.119 R)
• M18: 14,464,768 km (0.105 R)
• M19: 15,271,699 km (0.118 R)
• M20: 15,806,212 km (0.104 R)
• M21: 19,005,811 km (0.103 R)
• M22: 19,554,985 km (0.094 R)
• M23: 20,613,240 km (0.113 R)
• M24: 22,690,107 km (0.098 R)
• M25: 26,483,610 km (0.046 R)
• M26: 27,082,600 km (0.119 R)
• M27: 28,843,965 km (0.113 R)
• M28: 29,752,623 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.5

Radius: 6.9

Gravity: 11.21 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.65 AU - 8.75 AU

Year: 12883 Days

Day: 20.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,129,076 km

• M1: 85,869 km (0.045 R)
• M2: 389,852 km (0.112 R)
• M3: 625,917 km (0.08 R)
• M4: 981,063 km (0.118 R)
• M5: 1,653,954 km (0.094 R)
• M6: 2,398,353 km (0.111 R)
• M7: 3,178,057 km (0.11 R)
• M8: 4,288,522 km (0.057 R)
• M9: 5,126,869 km (0.101 R)
• M10: 5,887,125 km (0.04 R)
• M11: 6,960,340 km (0.115 R)
• M12: 8,431,934 km (0.108 R)
• M13: 9,339,096 km (0.112 R)
• M14: 9,588,176 km (0.084 R)
• M15: 11,066,652 km (0.089 R)
• M16: 13,879,840 km (0.067 R)
• M17: 14,335,964 km (0.102 R)
• M18: 17,510,431 km (0.113 R)
• M19: 17,889,811 km (0.116 R)
• M20: 18,197,235 km (0.064 R)
• M21: 21,295,855 km (0.056 R)
• M22: 21,815,259 km (0.12 R)
• M23: 22,078,103 km (0.114 R)
• M24: 23,792,195 km (0.112 R)
• M25: 27,381,347 km (0.104 R)
• M26: 31,093,768 km (0.082 R)
• M27: 32,213,209 km (0.064 R)
• M28: 35,610,876 km (0.066 R)
• M29: 40,020,422 km (0.118 R)
• M30: 47,369,567 km (0.109 R)
• M31: 49,601,867 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.9

Radius: 4.7

Gravity: 21.91 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 7.26 AU - 11.58 AU

Year: 19280 Days

Day: 21.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 66,129,076 km

• M1: 58,493 km (0.05 R)
• M2: 418,724 km (0.081 R)
• M3: 872,904 km (0.104 R)
• M4: 1,373,458 km (0.107 R)
• M5: 1,669,811 km (0.105 R)
• M6: 3,917,669 km (0.08 R)
• M7: 4,883,922 km (0.119 R)
• M8: 5,202,416 km (0.102 R)
• M9: 7,975,212 km (0.08 R)
• M10: 8,317,342 km (0.079 R)
• M11: 8,669,047 km (0.098 R)
• M12: 9,030,625 km (0.107 R)
• M13: 9,348,521 km (0.03 R)
• M14: 10,753,843 km (0.111 R)
• M15: 10,991,105 km (0.1 R)
• M16: 12,488,430 km (0.082 R)
• M17: 15,129,132 km (0.079 R)
• M18: 16,500,645 km (0.044 R)
• M19: 18,203,069 km (0.108 R)
• M20: 18,540,113 km (0.096 R)
• M21: 19,313,683 km (0.114 R)
• M22: 19,841,166 km (0.1 R)
• M23: 20,559,385 km (0.042 R)
• M24: 22,817,864 km (0.051 R)
• M25: 26,507,546 km (0.105 R)
• M26: 27,268,401 km (0.095 R)
• M27: 30,575,860 km (0.065 R)
• M28: 31,052,030 km (0.051 R)
• M29: 31,775,635 km (0.118 R)
• M30: 32,019,180 km (0.089 R)
• M31: 33,381,718 km (0.102 R)
• M32: 39,922,286 km (0.078 R)
• M33: 41,499,347 km (0.107 R)
• M34: 46,166,800 km (0.098 R)
• M35: 48,868,987 km (0.11 R)
• M36: 52,690,165 km (0.067 R)
• M37: 54,586,169 km (0.117 R)
• M38: 59,247,190 km (0.114 R)
• M39: 60,920,591 km (0.107 R)
• M40: 62,625,109 km (0.109 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 12,103 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit