🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.1

Radius: 8.5

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.55 AU - 0.71 AU

Year: 345 Days

Day: 11.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 110.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,922,593 km

• M1: 105,766 km (0.113 R)
• M2: 385,813 km (0.115 R)
• M3: 764,595 km (0.098 R)
• M4: 1,091,915 km (0.119 R)
• M5: 1,421,928 km (0.1 R)
• M6: 1,797,269 km (0.088 R)
• M7: 2,329,239 km (0.063 R)
• M8: 2,628,135 km (0.052 R)
• M9: 3,002,579 km (0.118 R)
• M10: 3,314,490 km (0.102 R)
• M11: 3,682,651 km (0.108 R)
• M12: 4,140,420 km (0.117 R)
• M13: 4,488,235 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111

Radius: 9.2

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.82 AU - 0.98 AU

Year: 589 Days

Day: 11.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 86,922,593 km

• M1: 116,686 km (0.044 R)
• M2: 409,449 km (0.095 R)
• M3: 1,652,907 km (0.083 R)
• M4: 2,516,535 km (0.07 R)
• M5: 3,087,550 km (0.089 R)
• M6: 3,632,835 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.8

Radius: 13

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.92 AU - 0.96 AU

Year: 629 Days

Day: 14.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,922,593 km

• M1: 161,715 km (0.041 R)
• M2: 645,515 km (0.079 R)
• M3: 1,582,147 km (0.048 R)
• M4: 2,120,699 km (0.046 R)
• M5: 2,616,168 km (0.099 R)
• M6: 3,040,876 km (0.119 R)
• M7: 3,675,470 km (0.12 R)
• M8: 4,339,535 km (0.095 R)
• M9: 5,098,445 km (0.11 R)
• M10: 5,855,410 km (0.116 R)
• M11: 6,326,045 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.1

Radius: 9.2

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.06 AU - 1.62 AU

Year: 1071 Days

Day: 8 Hours

Environment

Temp: -185 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,922,593 km

• M1: 114,442 km (0.036 R)
• M2: 485,595 km (0.082 R)
• M3: 815,009 km (0.112 R)
• M4: 1,125,724 km (0.115 R)
• M5: 1,466,807 km (0.11 R)
• M6: 2,323,554 km (0.048 R)
• M7: 2,673,912 km (0.083 R)
• M8: 3,107,297 km (0.037 R)
• M9: 3,721,247 km (0.104 R)
• M10: 4,144,609 km (0.108 R)
• M11: 4,568,420 km (0.062 R)
• M12: 5,592,716 km (0.078 R)
• M13: 6,092,074 km (0.106 R)
• M14: 7,095,427 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.4

Radius: 12.6

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.71 AU - 2.15 AU

Year: 1851 Days

Day: 6.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,922,593 km

• M1: 160,668 km (0.054 R)
• M2: 597,344 km (0.092 R)
• M3: 1,275,322 km (0.077 R)
• M4: 2,386,236 km (0.116 R)
• M5: 5,851,970 km (0.102 R)
• M6: 6,461,730 km (0.091 R)
• M7: 7,137,614 km (0.071 R)
• M8: 8,093,993 km (0.12 R)
• M9: 10,291,885 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.7

Radius: 9.3

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.82 AU - 2.92 AU

Year: 2518 Days

Day: 5.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 86,922,593 km

• M1: 115,639 km (0.078 R)
• M2: 414,685 km (0.068 R)
• M3: 795,861 km (0.088 R)
• M4: 1,097,600 km (0.057 R)
• M5: 1,720,824 km (0.08 R)
• M6: 2,063,852 km (0.111 R)
• M7: 2,480,034 km (0.077 R)
• M8: 3,143,500 km (0.117 R)
• M9: 3,552,650 km (0.105 R)
• M10: 4,016,553 km (0.106 R)
• M11: 4,354,794 km (0.109 R)
• M12: 4,711,884 km (0.102 R)
• M13: 6,288,197 km (0.114 R)
• M14: 6,581,708 km (0.109 R)
• M15: 6,996,692 km (0.079 R)
• M16: 9,067,426 km (0.066 R)
• M17: 10,857,664 km (0.08 R)
• M18: 11,359,415 km (0.067 R)
• M19: 11,715,608 km (0.075 R)
• M20: 13,788,137 km (0.116 R)
• M21: 15,458,696 km (0.116 R)
• M22: 17,363,974 km (0.115 R)
• M23: 17,678,579 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.6

Radius: 11.6

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.58 AU - 3.72 AU

Year: 4813 Days

Day: 12.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,922,593 km

• M1: 144,512 km (0.043 R)
• M2: 515,813 km (0.116 R)
• M3: 1,034,020 km (0.067 R)
• M4: 1,579,006 km (0.063 R)
• M5: 2,273,738 km (0.088 R)
• M6: 2,877,066 km (0.064 R)
• M7: 3,418,012 km (0.109 R)
• M8: 4,725,498 km (0.031 R)
• M9: 5,368,918 km (0.119 R)
• M10: 7,682,898 km (0.104 R)
• M11: 11,174,662 km (0.113 R)
• M12: 12,396,278 km (0.099 R)
• M13: 14,003,258 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944.8

Radius: 5.4

Gravity: 32.4 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.65 AU - 6.07 AU

Year: 9792 Days

Day: 20.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 86,922,593 km

• M1: 67,319 km (0.095 R)
• M2: 500,255 km (0.114 R)
• M3: 689,945 km (0.102 R)
• M4: 1,124,527 km (0.115 R)
• M5: 1,402,480 km (0.11 R)
• M6: 1,725,163 km (0.118 R)
• M7: 2,007,454 km (0.108 R)
• M8: 2,378,457 km (0.101 R)
• M9: 3,305,515 km (0.111 R)
• M10: 3,532,006 km (0.096 R)
• M11: 4,215,818 km (0.045 R)
• M12: 6,754,194 km (0.11 R)
• M13: 10,004,507 km (0.076 R)
• M14: 10,532,887 km (0.035 R)
• M15: 13,268,583 km (0.073 R)
• M16: 16,956,171 km (0.044 R)
• M17: 17,179,071 km (0.107 R)
• M18: 25,875,794 km (0.075 R)
• M19: 26,369,467 km (0.109 R)
• M20: 27,991,856 km (0.101 R)
• M21: 32,109,238 km (0.102 R)
• M22: 33,605,666 km (0.083 R)
• M23: 37,611,597 km (0.066 R)
• M24: 39,403,182 km (0.073 R)
• M25: 42,468,741 km (0.112 R)
• M26: 43,293,923 km (0.096 R)
• M27: 44,410,521 km (0.059 R)
• M28: 45,833,197 km (0.061 R)
• M29: 47,727,705 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 529.7

Radius: 5.2

Gravity: 19.59 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.94 AU - 6.52 AU

Year: 10734 Days

Day: 19.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,922,593 km

• M1: 64,925 km (0.068 R)
• M2: 239,506 km (0.044 R)
• M3: 438,621 km (0.119 R)
• M4: 639,830 km (0.064 R)
• M5: 1,780,813 km (0.089 R)
• M6: 3,079,173 km (0.108 R)
• M7: 3,855,736 km (0.12 R)
• M8: 4,785,636 km (0.112 R)
• M9: 6,615,667 km (0.082 R)
• M10: 7,276,889 km (0.099 R)
• M11: 8,460,208 km (0.119 R)
• M12: 10,365,337 km (0.089 R)
• M13: 18,652,611 km (0.109 R)
• M14: 22,515,078 km (0.103 R)
• M15: 24,997,505 km (0.038 R)
• M16: 26,590,573 km (0.076 R)
• M17: 32,097,869 km (0.027 R)
• M18: 32,533,647 km (0.082 R)
• M19: 36,281,074 km (0.111 R)
• M20: 37,711,978 km (0.105 R)
• M21: 38,197,273 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.4

Radius: 7.8

Gravity: 15.44 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 7.42 AU - 11.98 AU

Year: 20853 Days

Day: 19.2 Hours

Environment

Temp: -245 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 86,922,593 km

• M1: 103,971 km (0.11 R)
• M2: 570,417 km (0.086 R)
• M3: 1,195,287 km (0.048 R)
• M4: 1,922,482 km (0.105 R)
• M5: 2,258,778 km (0.103 R)
• M6: 3,105,203 km (0.096 R)
• M7: 3,631,488 km (0.03 R)
• M8: 3,883,860 km (0.112 R)
• M9: 4,749,284 km (0.051 R)
• M10: 5,570,875 km (0.095 R)
• M11: 6,169,117 km (0.083 R)
• M12: 11,750,464 km (0.103 R)
• M13: 12,805,129 km (0.047 R)
• M14: 13,096,695 km (0.117 R)
• M15: 16,091,944 km (0.055 R)
• M16: 20,293,400 km (0.091 R)
• M17: 24,832,798 km (0.09 R)
• M18: 32,369,688 km (0.091 R)
• M19: 34,572,367 km (0.069 R)
• M20: 37,464,094 km (0.08 R)
• M21: 38,513,074 km (0.039 R)
• M22: 40,512,899 km (0.111 R)
• M23: 41,141,958 km (0.095 R)
• M24: 48,321,010 km (0.086 R)
• M25: 54,175,074 km (0.046 R)
• M26: 56,291,734 km (0.054 R)
• M27: 57,271,899 km (0.075 R)
• M28: 67,267,131 km (0.089 R)
• M29: 71,524,687 km (0.081 R)
• M30: 72,674,197 km (0.098 R)
• M31: 77,637,106 km (0.107 R)
• M32: 78,607,398 km (0.098 R)
• M33: 79,095,536 km (0.114 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: 495 - 19,001 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit