🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.8

Radius: 13.3

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.95 AU - 1.53 AU

Year: 921 Days

Day: 7.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,799,391 km

• M1: 168,896 km (0.078 R)
• M2: 1,340,547 km (0.083 R)
• M3: 1,783,356 km (0.057 R)
• M4: 2,392,369 km (0.116 R)
• M5: 3,070,048 km (0.118 R)
• M6: 3,872,790 km (0.1 R)
• M7: 4,315,899 km (0.088 R)
• M8: 5,585,237 km (0.113 R)
• M9: 6,576,322 km (0.093 R)
• M10: 7,018,534 km (0.052 R)
• M11: 9,103,928 km (0.108 R)
• M12: 9,684,218 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.3

Radius: 12

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.07 AU - 1.69 AU

Year: 1081 Days

Day: 7.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,799,391 km

• M1: 149,299 km (0.063 R)
• M2: 1,089,222 km (0.114 R)
• M3: 1,664,426 km (0.029 R)
• M4: 2,342,403 km (0.095 R)
• M5: 3,729,924 km (0.078 R)
• M6: 5,458,378 km (0.082 R)
• M7: 6,907,532 km (0.107 R)
• M8: 7,538,386 km (0.063 R)
• M9: 9,419,879 km (0.075 R)
• M10: 10,748,308 km (0.066 R)
• M11: 11,912,329 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.7

Radius: 8.8

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.33 AU - 1.55 AU

Year: 1152 Days

Day: 13.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,799,391 km

• M1: 109,506 km (0.092 R)
• M2: 403,166 km (0.056 R)
• M3: 733,778 km (0.116 R)
• M4: 1,126,771 km (0.069 R)
• M5: 1,564,195 km (0.09 R)
• M6: 2,040,665 km (0.115 R)
• M7: 2,528,802 km (0.113 R)
• M8: 2,819,770 km (0.109 R)
• M9: 3,412,028 km (0.114 R)
• M10: 4,283,286 km (0.083 R)
• M11: 4,898,732 km (0.108 R)
• M12: 5,511,934 km (0.073 R)
• M13: 5,795,721 km (0.091 R)
• M14: 6,983,977 km (0.102 R)
• M15: 7,389,686 km (0.066 R)
• M16: 8,406,503 km (0.047 R)
• M17: 9,658,936 km (0.12 R)
• M18: 10,162,931 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.8

Radius: 14.1

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.28 AU - 3.74 AU

Year: 3482 Days

Day: 5.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,799,391 km

• M1: 177,722 km (0.055 R)
• M2: 856,597 km (0.084 R)
• M3: 1,386,024 km (0.086 R)
• M4: 2,290,194 km (0.097 R)
• M5: 2,867,043 km (0.077 R)
• M6: 3,405,147 km (0.092 R)
• M7: 3,967,934 km (0.066 R)
• M8: 5,028,433 km (0.09 R)
• M9: 5,572,072 km (0.071 R)
• M10: 6,241,223 km (0.069 R)
• M11: 6,716,795 km (0.073 R)
• M12: 7,377,868 km (0.079 R)
• M13: 8,013,060 km (0.086 R)
• M14: 8,684,456 km (0.048 R)
• M15: 9,165,263 km (0.071 R)
• M16: 9,860,444 km (0.11 R)
• M17: 11,620,015 km (0.104 R)
• M18: 13,679,229 km (0.118 R)
• M19: 14,536,575 km (0.105 R)
• M20: 15,862,311 km (0.08 R)
• M21: 16,582,774 km (0.037 R)
• M22: 18,029,685 km (0.09 R)
• M23: 18,631,517 km (0.088 R)
• M24: 20,066,610 km (0.069 R)
• M25: 22,805,896 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.5

Radius: 11.8

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.76 AU - 3.72 AU

Year: 3889 Days

Day: 14.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 133.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,799,391 km

• M1: 170,990 km (0.105 R)
• M2: 585,825 km (0.109 R)
• M3: 973,882 km (0.091 R)
• M4: 1,408,314 km (0.097 R)
• M5: 1,777,073 km (0.106 R)
• M6: 2,211,356 km (0.086 R)
• M7: 3,698,658 km (0.114 R)
• M8: 4,482,999 km (0.09 R)
• M9: 4,903,070 km (0.069 R)
• M10: 5,349,620 km (0.101 R)
• M11: 6,154,157 km (0.095 R)
• M12: 6,585,897 km (0.115 R)
• M13: 9,654,448 km (0.113 R)
• M14: 10,159,491 km (0.104 R)
• M15: 10,887,883 km (0.115 R)
• M16: 12,223,792 km (0.08 R)
• M17: 12,861,677 km (0.086 R)
• M18: 13,378,388 km (0.108 R)
• M19: 15,796,937 km (0.1 R)
• M20: 16,885,860 km (0.099 R)
• M21: 18,552,829 km (0.098 R)
• M22: 20,644,057 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.1

Radius: 5

Gravity: 16.84 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.51 AU - 7.35 AU

Year: 9630 Days

Day: 22.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,799,391 km

• M1: 62,981 km (0.107 R)
• M2: 389,254 km (0.066 R)
• M3: 720,164 km (0.105 R)
• M4: 1,155,195 km (0.093 R)
• M5: 1,608,177 km (0.118 R)
• M6: 1,792,930 km (0.05 R)
• M7: 2,039,767 km (0.067 R)
• M8: 2,452,507 km (0.036 R)
• M9: 3,849,602 km (0.103 R)
• M10: 4,533,414 km (0.088 R)
• M11: 5,264,349 km (0.101 R)
• M12: 5,771,486 km (0.081 R)
• M13: 7,606,154 km (0.12 R)
• M14: 8,253,464 km (0.107 R)
• M15: 9,292,571 km (0.103 R)
• M16: 10,710,310 km (0.099 R)
• M17: 11,470,566 km (0.09 R)
• M18: 15,626,395 km (0.109 R)
• M19: 16,207,583 km (0.087 R)
• M20: 18,965,868 km (0.074 R)
• M21: 20,917,373 km (0.118 R)
• M22: 22,425,319 km (0.12 R)
• M23: 23,581,860 km (0.083 R)
• M24: 30,162,970 km (0.06 R)
• M25: 33,126,653 km (0.094 R)
• M26: 34,192,089 km (0.082 R)
• M27: 37,639,572 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 220.2

Radius: 4.2

Gravity: 12.48 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.29 AU - 6.97 AU

Year: 11384 Days

Day: 18.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 35,799,391 km

• M1: 52,958 km (0.103 R)
• M2: 201,359 km (0.089 R)
• M3: 546,331 km (0.099 R)
• M4: 845,378 km (0.048 R)
• M5: 1,624,633 km (0.07 R)
• M6: 1,862,942 km (0.075 R)
• M7: 2,588,791 km (0.073 R)
• M8: 2,974,454 km (0.062 R)
• M9: 3,223,535 km (0.088 R)
• M10: 4,181,111 km (0.049 R)
• M11: 4,493,920 km (0.063 R)
• M12: 5,681,129 km (0.096 R)
• M13: 6,064,847 km (0.119 R)
• M14: 8,047,019 km (0.061 R)
• M15: 8,286,525 km (0.119 R)
• M16: 8,571,808 km (0.085 R)
• M17: 9,423,170 km (0.091 R)
• M18: 9,914,748 km (0.069 R)
• M19: 11,095,076 km (0.116 R)
• M20: 11,292,246 km (0.115 R)
• M21: 12,578,189 km (0.084 R)
• M22: 15,868,594 km (0.072 R)
• M23: 16,119,021 km (0.068 R)
• M24: 17,676,933 km (0.086 R)
• M25: 19,690,072 km (0.071 R)
• M26: 23,429,869 km (0.049 R)
• M27: 23,591,883 km (0.083 R)
• M28: 23,836,177 km (0.095 R)
• M29: 26,373,357 km (0.105 R)
• M30: 26,990,298 km (0.103 R)
• M31: 27,707,022 km (0.029 R)
• M32: 29,271,965 km (0.08 R)
• M33: 30,123,925 km (0.119 R)
• M34: 31,089,729 km (0.045 R)
• M35: 32,275,741 km (0.118 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 158 - 15,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit