🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.6

Radius: 13

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.64 AU - 1.06 AU

Year: 514 Days

Day: 14.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,501,584 km

• M1: 163,959 km (0.092 R)
• M2: 1,085,033 km (0.108 R)
• M3: 1,605,933 km (0.083 R)
• M4: 2,119,353 km (0.089 R)
• M5: 3,047,757 km (0.064 R)
• M6: 3,768,221 km (0.117 R)
• M7: 4,958,870 km (0.117 R)
• M8: 5,369,516 km (0.062 R)
• M9: 5,905,974 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.7

Radius: 9.3

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.02 AU - 1.5 AU

Year: 928 Days

Day: 6.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 162.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 86,501,584 km

• M1: 119,529 km (0.117 R)
• M2: 850,165 km (0.055 R)
• M3: 1,530,685 km (0.071 R)
• M4: 1,929,962 km (0.115 R)
• M5: 2,742,727 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.8

Radius: 13.4

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.3 AU - 1.3 AU

Year: 972 Days

Day: 5.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,501,584 km

• M1: 166,652 km (0.115 R)
• M2: 1,212,940 km (0.061 R)
• M3: 1,636,900 km (0.109 R)
• M4: 2,368,433 km (0.063 R)
• M5: 2,857,469 km (0.034 R)
• M6: 3,560,579 km (0.105 R)
• M7: 4,648,006 km (0.113 R)
• M8: 5,260,609 km (0.077 R)
• M9: 6,320,660 km (0.05 R)
• M10: 7,933,923 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.7

Radius: 8.7

Gravity: 11.64 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.31 AU - 1.33 AU

Year: 995 Days

Day: 8.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 125.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,501,584 km

• M1: 108,608 km (0.079 R)
• M2: 416,480 km (0.118 R)
• M3: 1,033,123 km (0.073 R)
• M4: 1,318,556 km (0.118 R)
• M5: 1,648,569 km (0.059 R)
• M6: 1,942,080 km (0.098 R)
• M7: 2,215,096 km (0.107 R)
• M8: 2,502,024 km (0.086 R)
• M9: 3,068,252 km (0.055 R)
• M10: 3,764,780 km (0.104 R)
• M11: 4,142,215 km (0.057 R)
• M12: 4,437,222 km (0.103 R)
• M13: 5,128,365 km (0.09 R)
• M14: 6,174,203 km (0.101 R)
• M15: 6,445,125 km (0.065 R)
• M16: 7,181,895 km (0.101 R)
• M17: 8,268,424 km (0.031 R)
• M18: 9,051,270 km (0.036 R)
• M19: 10,699,539 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.8

Radius: 14.4

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.31 AU - 1.57 AU

Year: 1134 Days

Day: 6.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 107.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 86,501,584 km

• M1: 179,218 km (0.063 R)
• M2: 806,931 km (0.071 R)
• M3: 1,411,306 km (0.087 R)
• M4: 2,213,151 km (0.119 R)
• M5: 2,932,717 km (0.077 R)
• M6: 3,532,305 km (0.046 R)
• M7: 4,125,760 km (0.056 R)
• M8: 5,120,735 km (0.117 R)
• M9: 5,817,712 km (0.1 R)
• M10: 6,697,945 km (0.076 R)
• M11: 7,196,106 km (0.12 R)
• M12: 7,962,347 km (0.114 R)
• M13: 8,666,055 km (0.101 R)
• M14: 9,627,221 km (0.11 R)
• M15: 11,097,619 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612.6

Radius: 4.3

Gravity: 33.13 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 5.31 AU - 6.79 AU

Year: 9762 Days

Day: 21 Hours

Environment

Temp: -227 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 86,501,584 km

• M1: 53,556 km (0.102 R)
• M2: 225,743 km (0.115 R)
• M3: 530,175 km (0.079 R)
• M4: 2,315,625 km (0.071 R)
• M5: 2,958,597 km (0.106 R)
• M6: 3,136,319 km (0.049 R)
• M7: 3,587,507 km (0.116 R)
• M8: 4,887,512 km (0.087 R)
• M9: 5,492,486 km (0.113 R)
• M10: 7,043,367 km (0.089 R)
• M11: 7,564,416 km (0.1 R)
• M12: 8,197,066 km (0.119 R)
• M13: 9,663,424 km (0.032 R)
• M14: 10,105,336 km (0.111 R)
• M15: 10,407,374 km (0.118 R)
• M16: 12,576,843 km (0.102 R)
• M17: 13,951,647 km (0.08 R)
• M18: 16,299,735 km (0.059 R)
• M19: 17,930,352 km (0.089 R)
• M20: 18,224,611 km (0.113 R)
• M21: 18,447,362 km (0.072 R)
• M22: 19,279,874 km (0.118 R)
• M23: 20,695,818 km (0.089 R)
• M24: 22,775,229 km (0.109 R)
• M25: 25,541,742 km (0.113 R)
• M26: 26,008,039 km (0.097 R)
• M27: 26,290,479 km (0.076 R)
• M28: 26,861,494 km (0.093 R)
• M29: 30,776,471 km (0.064 R)
• M30: 33,365,262 km (0.085 R)
• M31: 35,169,711 km (0.108 R)
• M32: 37,635,084 km (0.077 R)
• M33: 38,117,537 km (0.069 R)
• M34: 41,481,545 km (0.03 R)
• M35: 44,230,854 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 776.6

Radius: 4.9

Gravity: 32.34 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 7.32 AU - 8.32 AU

Year: 14346 Days

Day: 23.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 86,501,584 km

• M1: 61,036 km (0.117 R)
• M2: 419,173 km (0.094 R)
• M3: 1,741,768 km (0.107 R)
• M4: 2,646,386 km (0.043 R)
• M5: 3,098,920 km (0.113 R)
• M6: 3,437,161 km (0.073 R)
• M7: 3,657,219 km (0.073 R)
• M8: 4,666,406 km (0.055 R)
• M9: 6,122,891 km (0.092 R)
• M10: 7,764,279 km (0.029 R)
• M11: 8,095,788 km (0.059 R)
• M12: 10,117,753 km (0.107 R)
• M13: 10,285,901 km (0.074 R)
• M14: 12,581,779 km (0.046 R)
• M15: 13,507,341 km (0.107 R)
• M16: 13,779,909 km (0.097 R)
• M17: 14,335,964 km (0.105 R)
• M18: 15,197,947 km (0.088 R)
• M19: 17,990,790 km (0.059 R)
• M20: 19,681,245 km (0.069 R)
• M21: 20,208,279 km (0.068 R)
• M22: 24,972,373 km (0.046 R)
• M23: 38,654,594 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.5

Radius: 5.7

Gravity: 25.38 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.83 AU - 12.03 AU

Year: 22097 Days

Day: 24 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 86,501,584 km

• M1: 70,909 km (0.11 R)
• M2: 323,580 km (0.058 R)
• M3: 741,856 km (0.09 R)
• M4: 1,295,817 km (0.103 R)
• M5: 1,555,219 km (0.045 R)
• M6: 3,320,325 km (0.077 R)
• M7: 3,937,715 km (0.083 R)
• M8: 7,283,771 km (0.109 R)
• M9: 7,483,783 km (0.115 R)
• M10: 8,483,695 km (0.092 R)
• M11: 10,301,758 km (0.036 R)
• M12: 12,223,792 km (0.085 R)
• M13: 15,993,209 km (0.11 R)
• M14: 16,416,571 km (0.113 R)
• M15: 19,305,605 km (0.053 R)
• M16: 19,496,642 km (0.099 R)
• M17: 21,579,942 km (0.103 R)
• M18: 22,834,619 km (0.097 R)
• M19: 25,032,511 km (0.115 R)
• M20: 26,534,474 km (0.109 R)
• M21: 27,247,457 km (0.097 R)
• M22: 29,211,228 km (0.102 R)
• M23: 30,614,905 km (0.063 R)
• M24: 30,874,906 km (0.045 R)
• M25: 31,136,254 km (0.108 R)
• M26: 35,809,392 km (0.116 R)
• M27: 39,683,229 km (0.094 R)
• M28: 40,615,373 km (0.099 R)
• M29: 43,498,872 km (0.057 R)
• M30: 44,656,161 km (0.106 R)
• M31: 49,134,373 km (0.066 R)
• M32: 57,972,765 km (0.097 R)
• M33: 61,827,154 km (0.077 R)
• M34: 63,922,721 km (0.096 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 12,537 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit