🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.5

Radius: 8.1

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.51 AU - 0.63 AU

Year: 297 Days

Day: 8.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,800,893 km

• M1: 103,821 km (0.086 R)
• M2: 422,614 km (0.099 R)
• M3: 733,478 km (0.097 R)
• M4: 997,070 km (0.028 R)
• M5: 1,265,748 km (0.046 R)
• M6: 1,521,261 km (0.108 R)
• M7: 1,780,364 km (0.033 R)
• M8: 2,321,310 km (0.094 R)
• M9: 2,759,482 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.6

Radius: 10.4

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.73 AU - 0.83 AU

Year: 476 Days

Day: 11.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,800,893 km

• M1: 129,402 km (0.092 R)
• M2: 458,069 km (0.117 R)
• M3: 869,313 km (0.065 R)
• M4: 1,230,891 km (0.107 R)
• M5: 1,561,802 km (0.063 R)
• M6: 1,953,000 km (0.111 R)
• M7: 2,454,003 km (0.117 R)
• M8: 2,896,963 km (0.115 R)
• M9: 3,517,046 km (0.087 R)
• M10: 3,846,909 km (0.108 R)
• M11: 4,610,756 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.8

Radius: 11.7

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.99 AU - 1.37 AU

Year: 885 Days

Day: 11 Hours

Environment

Temp: -187 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,800,893 km

• M1: 145,708 km (0.093 R)
• M2: 808,726 km (0.081 R)
• M3: 1,301,801 km (0.104 R)
• M4: 1,984,565 km (0.099 R)
• M5: 2,532,243 km (0.07 R)
• M6: 2,963,534 km (0.114 R)
• M7: 3,561,925 km (0.058 R)
• M8: 4,062,480 km (0.087 R)
• M9: 4,437,522 km (0.095 R)
• M10: 4,967,996 km (0.07 R)
• M11: 5,815,168 km (0.109 R)
• M12: 7,263,425 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.8

Radius: 12.4

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.99 AU - 1.51 AU

Year: 965 Days

Day: 11.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,800,893 km

• M1: 154,235 km (0.098 R)
• M2: 543,339 km (0.084 R)
• M3: 1,080,396 km (0.085 R)
• M4: 1,517,970 km (0.077 R)
• M5: 2,130,872 km (0.076 R)
• M6: 2,962,636 km (0.075 R)
• M7: 3,567,161 km (0.116 R)
• M8: 4,000,247 km (0.084 R)
• M9: 4,724,450 km (0.076 R)
• M10: 5,830,427 km (0.047 R)
• M11: 7,474,658 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328

Radius: 10.2

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.2 AU - 4.98 AU

Year: 6788 Days

Day: 8 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,800,893 km

• M1: 127,308 km (0.057 R)
• M2: 577,448 km (0.083 R)
• M3: 1,028,186 km (0.082 R)
• M4: 1,552,228 km (0.077 R)
• M5: 1,877,154 km (0.077 R)
• M6: 2,263,266 km (0.092 R)
• M7: 3,624,308 km (0.106 R)
• M8: 4,592,355 km (0.074 R)
• M9: 8,119,424 km (0.082 R)
• M10: 8,799,796 km (0.098 R)
• M11: 9,354,953 km (0.105 R)
• M12: 14,670,764 km (0.098 R)
• M13: 18,087,280 km (0.115 R)
• M14: 18,661,138 km (0.088 R)
• M15: 19,577,724 km (0.074 R)
• M16: 20,250,765 km (0.049 R)
• M17: 24,772,510 km (0.051 R)
• M18: 26,445,164 km (0.107 R)
• M19: 27,685,031 km (0.112 R)
• M20: 28,532,951 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664.8

Radius: 5.9

Gravity: 19.1 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.51 AU - 8.79 AU

Year: 13197 Days

Day: 15.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 72,800,893 km

• M1: 74,799 km (0.076 R)
• M2: 334,202 km (0.094 R)
• M3: 655,987 km (0.112 R)
• M4: 842,086 km (0.093 R)
• M5: 1,087,277 km (0.119 R)
• M6: 1,628,522 km (0.057 R)
• M7: 1,889,870 km (0.07 R)
• M8: 3,252,108 km (0.107 R)
• M9: 3,534,698 km (0.06 R)
• M10: 4,734,922 km (0.061 R)
• M11: 7,816,938 km (0.096 R)
• M12: 8,659,323 km (0.111 R)
• M13: 9,355,252 km (0.1 R)
• M14: 10,249,399 km (0.117 R)
• M15: 10,689,366 km (0.081 R)
• M16: 14,468,208 km (0.102 R)
• M17: 17,147,357 km (0.108 R)
• M18: 18,562,852 km (0.102 R)
• M19: 18,887,778 km (0.093 R)
• M20: 21,893,948 km (0.115 R)
• M21: 25,006,780 km (0.094 R)
• M22: 32,209,618 km (0.097 R)
• M23: 40,817,779 km (0.084 R)
• M24: 41,091,842 km (0.07 R)
• M25: 42,200,363 km (0.028 R)
• M26: 43,471,196 km (0.102 R)
• M27: 47,587,681 km (0.106 R)
• M28: 48,043,506 km (0.069 R)
• M29: 52,278,472 km (0.064 R)
• M30: 52,763,917 km (0.067 R)
• M31: 55,068,771 km (0.103 R)
• M32: 55,571,271 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 142.3

Radius: 3

Gravity: 15.81 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 7.06 AU - 9.1 AU

Year: 15854 Days

Day: 24.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,800,893 km

• M1: 37,399 km (0.113 R)
• M2: 293,511 km (0.112 R)
• M3: 494,271 km (0.064 R)
• M4: 669,151 km (0.087 R)
• M5: 1,385,575 km (0.066 R)
• M6: 1,487,003 km (0.112 R)
• M7: 2,006,407 km (0.035 R)
• M8: 2,203,726 km (0.091 R)
• M9: 2,395,810 km (0.063 R)
• M10: 3,124,501 km (0.063 R)
• M11: 3,621,764 km (0.114 R)
• M12: 4,092,100 km (0.113 R)
• M13: 5,152,300 km (0.114 R)
• M14: 6,417,749 km (0.094 R)
• M15: 6,918,453 km (0.042 R)
• M16: 8,241,945 km (0.057 R)
• M17: 8,876,090 km (0.094 R)
• M18: 11,072,786 km (0.092 R)
• M19: 11,582,914 km (0.09 R)
• M20: 12,649,547 km (0.113 R)
• M21: 15,536,337 km (0.109 R)
• M22: 16,174,971 km (0.107 R)
• M23: 16,964,249 km (0.113 R)
• M24: 21,142,817 km (0.109 R)
• M25: 21,298,099 km (0.104 R)
• M26: 21,847,273 km (0.04 R)
• M27: 23,885,544 km (0.113 R)
• M28: 28,241,385 km (0.089 R)
• M29: 29,479,906 km (0.101 R)
• M30: 30,063,487 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.1

Radius: 4

Gravity: 37.07 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 7.83 AU - 11.11 AU

Year: 20116 Days

Day: 21.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,800,893 km

• M1: 50,115 km (0.111 R)
• M2: 320,588 km (0.091 R)
• M3: 488,287 km (0.115 R)
• M4: 614,398 km (0.101 R)
• M5: 1,055,413 km (0.107 R)
• M6: 1,373,159 km (0.108 R)
• M7: 3,794,849 km (0.091 R)
• M8: 4,010,270 km (0.076 R)
• M9: 7,084,955 km (0.119 R)
• M10: 7,317,430 km (0.054 R)
• M11: 8,556,549 km (0.116 R)
• M12: 10,161,585 km (0.086 R)
• M13: 10,880,702 km (0.038 R)
• M14: 12,826,073 km (0.078 R)
• M15: 15,529,456 km (0.113 R)
• M16: 17,726,151 km (0.054 R)
• M17: 18,068,281 km (0.097 R)
• M18: 20,681,457 km (0.086 R)
• M19: 22,225,905 km (0.098 R)
• M20: 23,127,532 km (0.057 R)
• M21: 24,896,526 km (0.076 R)
• M22: 26,308,880 km (0.112 R)
• M23: 26,978,330 km (0.091 R)
• M24: 27,888,484 km (0.097 R)
• M25: 30,253,177 km (0.113 R)
• M26: 33,004,881 km (0.102 R)
• M27: 39,723,770 km (0.096 R)
• M28: 40,015,785 km (0.09 R)
• M29: 43,015,821 km (0.087 R)
• M30: 43,944,225 km (0.062 R)
• M31: 44,413,364 km (0.075 R)
• M32: 45,521,136 km (0.112 R)
• M33: 47,298,808 km (0.113 R)
• M34: 48,787,306 km (0.089 R)
• M35: 52,556,724 km (0.096 R)
• M36: 57,628,840 km (0.058 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 10,441 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit