🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.4

Radius: 10.7

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.51 AU - 0.53 AU

Year: 250 Days

Day: 5.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,855,089 km

• M1: 133,142 km (0.073 R)
• M2: 473,926 km (0.047 R)
• M3: 870,061 km (0.084 R)
• M4: 1,511,238 km (0.115 R)
• M5: 1,978,282 km (0.046 R)
• M6: 2,462,680 km (0.102 R)
• M7: 2,879,310 km (0.049 R)
• M8: 4,205,795 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.7

Radius: 11.4

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.56 AU - 0.68 AU

Year: 326 Days

Day: 6.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,855,089 km

• M1: 141,819 km (0.065 R)
• M2: 525,687 km (0.079 R)
• M3: 952,190 km (0.114 R)
• M4: 1,570,030 km (0.032 R)
• M5: 1,926,821 km (0.076 R)
• M6: 2,398,353 km (0.085 R)
• M7: 2,857,469 km (0.041 R)
• M8: 3,266,769 km (0.108 R)
• M9: 3,809,809 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.6

Radius: 11.4

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.92 AU - 1.02 AU

Year: 637 Days

Day: 6.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,855,089 km

• M1: 144,661 km (0.103 R)
• M2: 913,295 km (0.119 R)
• M3: 1,450,950 km (0.098 R)
• M4: 1,911,113 km (0.111 R)
• M5: 2,514,441 km (0.095 R)
• M6: 3,131,233 km (0.094 R)
• M7: 4,539,248 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614

Radius: 12.6

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.77 AU - 1.25 AU

Year: 677 Days

Day: 8 Hours

Environment

Temp: -166 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,855,089 km

• M1: 156,629 km (0.099 R)
• M2: 550,071 km (0.088 R)
• M3: 1,057,657 km (0.108 R)
• M4: 2,027,949 km (0.1 R)
• M5: 2,746,916 km (0.065 R)
• M6: 3,602,915 km (0.056 R)
• M7: 4,006,530 km (0.104 R)
• M8: 4,502,896 km (0.093 R)
• M9: 6,107,931 km (0.104 R)
• M10: 6,809,246 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.7

Radius: 8.7

Gravity: 13.18 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.34 AU - 1.42 AU

Year: 1081 Days

Day: 9.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,855,089 km

• M1: 108,159 km (0.043 R)
• M2: 434,881 km (0.073 R)
• M3: 838,795 km (0.118 R)
• M4: 1,199,775 km (0.062 R)
• M5: 1,876,705 km (0.12 R)
• M6: 2,186,373 km (0.055 R)
• M7: 3,035,191 km (0.081 R)
• M8: 3,342,166 km (0.038 R)
• M9: 3,621,914 km (0.119 R)
• M10: 4,981,011 km (0.105 R)
• M11: 5,601,393 km (0.114 R)
• M12: 6,134,111 km (0.035 R)
• M13: 6,555,528 km (0.082 R)
• M14: 6,970,962 km (0.044 R)
• M15: 7,378,167 km (0.09 R)
• M16: 8,408,747 km (0.084 R)
• M17: 9,137,288 km (0.048 R)
• M18: 9,563,343 km (0.105 R)
• M19: 9,875,703 km (0.087 R)
• M20: 10,620,102 km (0.118 R)

Asteroid Belt

Center: 1.64 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.5

Radius: 9

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.71 AU - 2.09 AU

Year: 1746 Days

Day: 8.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,855,089 km

• M1: 111,899 km (0.06 R)
• M2: 392,994 km (0.105 R)
• M3: 808,576 km (0.075 R)
• M4: 1,749,547 km (0.095 R)
• M5: 2,071,033 km (0.079 R)
• M6: 2,360,505 km (0.062 R)
• M7: 3,476,056 km (0.112 R)
• M8: 4,106,162 km (0.119 R)
• M9: 4,440,962 km (0.108 R)
• M10: 4,761,102 km (0.053 R)
• M11: 5,666,468 km (0.109 R)
• M12: 6,160,291 km (0.084 R)
• M13: 6,682,387 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.3

Radius: 8.3

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.57 AU - 4.07 AU

Year: 4034 Days

Day: 10.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,855,089 km

• M1: 103,372 km (0.066 R)
• M2: 1,289,982 km (0.038 R)
• M3: 1,725,462 km (0.092 R)
• M4: 2,099,307 km (0.106 R)
• M5: 2,804,511 km (0.113 R)
• M6: 3,572,996 km (0.094 R)
• M7: 4,395,933 km (0.088 R)
• M8: 4,883,772 km (0.051 R)
• M9: 5,475,282 km (0.113 R)
• M10: 14,263,110 km (0.116 R)
• M11: 14,879,902 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.4

Radius: 13.8

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.03 AU - 4.05 AU

Year: 5415 Days

Day: 9.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,855,089 km

• M1: 172,486 km (0.091 R)
• M2: 608,863 km (0.06 R)
• M3: 1,060,350 km (0.033 R)
• M4: 2,651,772 km (0.117 R)
• M5: 3,171,026 km (0.113 R)
• M6: 3,961,950 km (0.057 R)
• M7: 5,697,136 km (0.078 R)
• M8: 8,818,645 km (0.099 R)
• M9: 9,728,200 km (0.078 R)
• M10: 10,161,884 km (0.113 R)
• M11: 10,745,017 km (0.113 R)
• M12: 12,834,600 km (0.114 R)
• M13: 15,182,837 km (0.118 R)
• M14: 16,065,764 km (0.1 R)
• M15: 18,720,229 km (0.109 R)
• M16: 21,435,729 km (0.092 R)
• M17: 22,396,447 km (0.091 R)
• M18: 25,370,004 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.9

Radius: 3.9

Gravity: 48.65 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.16 AU - 7.9 AU

Year: 12430 Days

Day: 22.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 56,855,089 km

• M1: 48,619 km (0.102 R)
• M2: 182,210 km (0.104 R)
• M3: 438,172 km (0.118 R)
• M4: 653,443 km (0.077 R)
• M5: 1,166,564 km (0.116 R)
• M6: 1,521,710 km (0.115 R)
• M7: 2,996,445 km (0.093 R)
• M8: 3,850,200 km (0.049 R)
• M9: 6,175,101 km (0.099 R)
• M10: 6,896,761 km (0.088 R)
• M11: 8,894,491 km (0.046 R)
• M12: 9,499,764 km (0.114 R)
• M13: 9,865,232 km (0.092 R)
• M14: 10,078,259 km (0.088 R)
• M15: 10,679,792 km (0.098 R)
• M16: 10,847,940 km (0.091 R)
• M17: 12,816,050 km (0.085 R)
• M18: 13,917,240 km (0.103 R)
• M19: 15,009,902 km (0.057 R)
• M20: 15,150,375 km (0.096 R)
• M21: 15,866,051 km (0.081 R)
• M22: 17,989,294 km (0.036 R)
• M23: 18,227,304 km (0.082 R)
• M24: 22,329,427 km (0.058 R)
• M25: 33,838,440 km (0.052 R)
• M26: 34,322,838 km (0.077 R)
• M27: 35,929,220 km (0.119 R)
• M28: 36,306,805 km (0.117 R)
• M29: 40,910,829 km (0.085 R)
• M30: 42,294,310 km (0.096 R)
• M31: 42,856,349 km (0.106 R)
• M32: 49,526,170 km (0.047 R)
• M33: 50,622,124 km (0.103 R)
• M34: 51,734,085 km (0.103 R)
• M35: 54,171,783 km (0.093 R)
• M36: 55,670,454 km (0.055 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 12,043 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit