🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.4

Radius: 10.1

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.83 AU - 1.03 AU

Year: 598 Days

Day: 6.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,044,593 km

• M1: 125,961 km (0.067 R)
• M2: 554,859 km (0.114 R)
• M3: 1,383,182 km (0.086 R)
• M4: 1,809,685 km (0.106 R)
• M5: 2,145,084 km (0.064 R)
• M6: 3,519,140 km (0.059 R)
• M7: 3,870,396 km (0.051 R)
• M8: 4,276,106 km (0.083 R)
• M9: 4,611,205 km (0.105 R)
• M10: 5,155,741 km (0.111 R)
• M11: 7,248,615 km (0.046 R)
• M12: 7,750,067 km (0.074 R)
• M13: 8,153,383 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.9

Radius: 8.2

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.06 AU - 1.2 AU

Year: 801 Days

Day: 11.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,044,593 km

• M1: 102,026 km (0.098 R)
• M2: 481,855 km (0.102 R)
• M3: 844,031 km (0.065 R)
• M4: 1,136,944 km (0.113 R)
• M5: 1,524,701 km (0.096 R)
• M6: 2,088,237 km (0.104 R)
• M7: 3,174,317 km (0.063 R)
• M8: 3,722,893 km (0.031 R)
• M9: 4,429,593 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.5

Radius: 12.7

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.24 AU - 1.86 AU

Year: 1287 Days

Day: 7.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,044,593 km

• M1: 157,975 km (0.057 R)
• M2: 1,028,934 km (0.11 R)
• M3: 1,463,965 km (0.068 R)
• M4: 2,572,635 km (0.099 R)
• M5: 3,048,206 km (0.114 R)
• M6: 3,520,038 km (0.073 R)
• M7: 4,302,136 km (0.091 R)
• M8: 4,782,644 km (0.114 R)
• M9: 5,278,411 km (0.087 R)
• M10: 5,786,595 km (0.111 R)
• M11: 7,025,565 km (0.103 R)
• M12: 7,668,237 km (0.119 R)
• M13: 8,210,230 km (0.068 R)
• M14: 9,220,465 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.6

Radius: 9.3

Gravity: 11.11 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.68 AU - 4.36 AU

Year: 5375 Days

Day: 7.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,044,593 km

• M1: 115,639 km (0.027 R)
• M2: 580,290 km (0.103 R)
• M3: 1,051,224 km (0.056 R)
• M4: 2,009,847 km (0.086 R)
• M5: 2,569,942 km (0.055 R)
• M6: 3,106,549 km (0.115 R)
• M7: 4,300,340 km (0.105 R)
• M8: 5,231,138 km (0.049 R)
• M9: 5,590,024 km (0.115 R)
• M10: 6,977,544 km (0.106 R)
• M11: 7,866,754 km (0.106 R)
• M12: 9,296,311 km (0.053 R)
• M13: 10,187,017 km (0.119 R)
• M14: 10,891,623 km (0.056 R)
• M15: 11,729,071 km (0.114 R)
• M16: 12,086,012 km (0.104 R)
• M17: 13,091,908 km (0.081 R)
• M18: 16,004,728 km (0.087 R)
• M19: 19,678,852 km (0.108 R)
• M20: 20,038,485 km (0.089 R)
• M21: 21,826,030 km (0.116 R)
• M22: 22,523,007 km (0.098 R)
• M23: 24,124,901 km (0.028 R)
• M24: 25,375,090 km (0.11 R)
• M25: 27,464,523 km (0.086 R)
• M26: 28,004,273 km (0.089 R)
• M27: 34,210,041 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.5

Radius: 11.9

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.77 AU - 4.57 AU

Year: 5679 Days

Day: 13.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,044,593 km

• M1: 148,102 km (0.09 R)
• M2: 604,375 km (0.036 R)
• M3: 1,028,037 km (0.103 R)
• M4: 1,504,655 km (0.112 R)
• M5: 2,288,399 km (0.092 R)
• M6: 2,802,417 km (0.105 R)
• M7: 3,200,946 km (0.073 R)
• M8: 3,823,123 km (0.044 R)
• M9: 4,906,511 km (0.119 R)
• M10: 5,399,436 km (0.063 R)
• M11: 6,118,852 km (0.07 R)
• M12: 6,621,651 km (0.109 R)
• M13: 8,500,600 km (0.046 R)
• M14: 9,170,798 km (0.112 R)
• M15: 9,785,646 km (0.081 R)
• M16: 11,000,829 km (0.112 R)
• M17: 11,950,476 km (0.074 R)
• M18: 14,127,724 km (0.086 R)
• M19: 16,050,655 km (0.099 R)
• M20: 16,621,670 km (0.11 R)
• M21: 17,205,999 km (0.119 R)
• M22: 19,681,993 km (0.093 R)
• M23: 20,705,991 km (0.09 R)
• M24: 21,306,926 km (0.047 R)
• M25: 27,161,139 km (0.112 R)
• M26: 29,928,101 km (0.034 R)
• M27: 30,988,002 km (0.076 R)
• M28: 33,902,617 km (0.071 R)
• M29: 35,800,865 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.1

Radius: 9.3

Gravity: 10.59 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.81 AU - 5.17 AU

Year: 6345 Days

Day: 8.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,044,593 km

• M1: 121,473 km (0.04 R)
• M2: 445,652 km (0.098 R)
• M3: 806,931 km (0.117 R)
• M4: 1,175,839 km (0.043 R)
• M5: 1,475,035 km (0.055 R)
• M6: 1,782,459 km (0.103 R)
• M7: 2,248,905 km (0.11 R)
• M8: 2,548,250 km (0.085 R)
• M9: 2,914,466 km (0.084 R)
• M10: 3,472,765 km (0.086 R)
• M11: 4,282,239 km (0.103 R)
• M12: 7,938,860 km (0.111 R)
• M13: 8,597,390 km (0.095 R)
• M14: 10,306,994 km (0.109 R)
• M15: 10,694,004 km (0.093 R)
• M16: 16,386,053 km (0.05 R)
• M17: 19,502,775 km (0.087 R)
• M18: 20,472,020 km (0.092 R)
• M19: 21,239,008 km (0.113 R)
• M20: 22,264,801 km (0.105 R)
• M21: 22,667,967 km (0.04 R)
• M22: 22,994,090 km (0.119 R)
• M23: 23,488,960 km (0.079 R)
• M24: 28,741,341 km (0.043 R)
• M25: 29,605,867 km (0.056 R)
• M26: 31,791,941 km (0.11 R)
• M27: 33,764,688 km (0.093 R)
• M28: 35,927,873 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.8

Radius: 13.4

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.38 AU - 4.9 AU

Year: 6665 Days

Day: 13.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,044,593 km

• M1: 166,652 km (0.059 R)
• M2: 1,118,992 km (0.079 R)
• M3: 1,709,754 km (0.092 R)
• M4: 2,285,107 km (0.116 R)
• M5: 2,776,237 km (0.113 R)
• M6: 3,211,567 km (0.106 R)
• M7: 5,865,284 km (0.031 R)
• M8: 7,224,979 km (0.075 R)
• M9: 8,827,322 km (0.068 R)
• M10: 10,373,116 km (0.108 R)
• M11: 11,734,457 km (0.1 R)
• M12: 13,377,042 km (0.082 R)
• M13: 14,282,558 km (0.117 R)
• M14: 16,090,298 km (0.085 R)
• M15: 17,179,969 km (0.109 R)
• M16: 17,910,904 km (0.077 R)
• M17: 19,577,724 km (0.079 R)
• M18: 20,301,927 km (0.068 R)
• M19: 22,346,780 km (0.098 R)
• M20: 24,525,673 km (0.095 R)
• M21: 26,842,795 km (0.085 R)
• M22: 30,346,078 km (0.065 R)
• M23: 31,023,158 km (0.117 R)
• M24: 34,351,860 km (0.111 R)
• M25: 35,299,413 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.4

Radius: 6.1

Gravity: 13.53 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.56 AU - 7.74 AU

Year: 11436 Days

Day: 16.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 56,044,593 km

• M1: 75,846 km (0.114 R)
• M2: 365,318 km (0.036 R)
• M3: 642,972 km (0.043 R)
• M4: 1,090,568 km (0.089 R)
• M5: 1,363,734 km (0.092 R)
• M6: 1,742,366 km (0.117 R)
• M7: 2,687,825 km (0.104 R)
• M8: 3,189,875 km (0.092 R)
• M9: 3,701,201 km (0.109 R)
• M10: 4,293,908 km (0.099 R)
• M11: 5,041,897 km (0.037 R)
• M12: 6,793,239 km (0.11 R)
• M13: 9,290,327 km (0.112 R)
• M14: 12,866,614 km (0.027 R)
• M15: 13,165,510 km (0.091 R)
• M16: 13,469,044 km (0.038 R)
• M17: 15,255,392 km (0.099 R)
• M18: 15,522,873 km (0.111 R)
• M19: 17,193,882 km (0.119 R)
• M20: 17,410,948 km (0.07 R)
• M21: 18,675,200 km (0.087 R)
• M22: 20,239,545 km (0.087 R)
• M23: 21,053,656 km (0.075 R)
• M24: 21,552,416 km (0.086 R)
• M25: 22,315,365 km (0.079 R)
• M26: 37,090,847 km (0.096 R)
• M27: 39,176,391 km (0.082 R)
• M28: 39,552,331 km (0.094 R)
• M29: 42,383,321 km (0.064 R)
• M30: 45,760,941 km (0.111 R)
• M31: 46,737,816 km (0.087 R)
• M32: 47,160,729 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 670.8

Radius: 7.4

Gravity: 12.25 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.55 AU - 7.77 AU

Year: 12776 Days

Day: 22.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 175.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,044,593 km

• M1: 92,003 km (0.027 R)
• M2: 865,573 km (0.067 R)
• M3: 1,181,225 km (0.108 R)
• M4: 1,977,534 km (0.11 R)
• M5: 2,291,241 km (0.074 R)
• M6: 5,538,263 km (0.115 R)
• M7: 8,564,328 km (0.097 R)
• M8: 9,970,997 km (0.102 R)
• M9: 13,043,738 km (0.1 R)
• M10: 17,763,102 km (0.076 R)
• M11: 21,063,380 km (0.115 R)
• M12: 22,127,919 km (0.105 R)
• M13: 27,261,968 km (0.097 R)
• M14: 30,605,181 km (0.096 R)
• M15: 31,168,716 km (0.102 R)
• M16: 37,962,704 km (0.103 R)
• M17: 43,378,147 km (0.043 R)
• M18: 45,388,892 km (0.095 R)
• M19: 47,913,056 km (0.087 R)
• M20: 48,520,274 km (0.08 R)
• M21: 50,060,833 km (0.053 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 17,454 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit