🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.7

Radius: 10

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.58 AU - 0.82 AU

Year: 397 Days

Day: 6.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,136,586 km

• M1: 124,316 km (0.113 R)
• M2: 497,563 km (0.093 R)
• M3: 863,928 km (0.06 R)
• M4: 1,197,232 km (0.118 R)
• M5: 1,510,639 km (0.09 R)
• M6: 2,029,594 km (0.026 R)
• M7: 2,372,024 km (0.114 R)
• M8: 2,683,786 km (0.119 R)
• M9: 3,437,609 km (0.078 R)
• M10: 3,776,299 km (0.091 R)
• M11: 4,137,428 km (0.073 R)
• M12: 4,479,259 km (0.063 R)
• M13: 4,825,130 km (0.057 R)
• M14: 5,142,427 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.5

Radius: 11.8

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.83 AU - 0.85 AU

Year: 522 Days

Day: 11.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,136,586 km

• M1: 146,756 km (0.099 R)
• M2: 528,230 km (0.071 R)
• M3: 910,453 km (0.059 R)
• M4: 1,408,015 km (0.101 R)
• M5: 1,779,915 km (0.091 R)
• M6: 2,255,337 km (0.1 R)
• M7: 2,666,881 km (0.101 R)
• M8: 3,117,021 km (0.089 R)
• M9: 3,516,148 km (0.12 R)
• M10: 3,935,770 km (0.106 R)
• M11: 4,674,185 km (0.068 R)
• M12: 5,266,144 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.3

Radius: 9.1

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.42 AU - 2 AU

Year: 1517 Days

Day: 14.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,136,586 km

• M1: 113,246 km (0.043 R)
• M2: 406,009 km (0.099 R)
• M3: 910,453 km (0.106 R)
• M4: 1,288,337 km (0.093 R)
• M5: 1,690,007 km (0.117 R)
• M6: 2,081,654 km (0.113 R)
• M7: 2,494,395 km (0.062 R)
• M8: 2,804,062 km (0.088 R)
• M9: 3,185,238 km (0.115 R)
• M10: 3,534,399 km (0.107 R)
• M11: 4,015,955 km (0.1 R)
• M12: 4,367,211 km (0.056 R)
• M13: 5,390,759 km (0.072 R)
• M14: 6,367,933 km (0.053 R)
• M15: 6,667,577 km (0.073 R)
• M16: 7,596,430 km (0.062 R)
• M17: 8,310,910 km (0.089 R)
• M18: 9,676,289 km (0.106 R)
• M19: 10,654,360 km (0.119 R)
• M20: 11,113,626 km (0.074 R)
• M21: 11,623,007 km (0.115 R)
• M22: 12,185,794 km (0.104 R)
• M23: 12,924,807 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.3

Radius: 13.2

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.35 AU - 2.11 AU

Year: 1543 Days

Day: 14.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,136,586 km

• M1: 164,109 km (0.088 R)
• M2: 758,312 km (0.116 R)
• M3: 1,320,500 km (0.089 R)
• M4: 2,662,244 km (0.073 R)
• M5: 3,738,301 km (0.096 R)
• M6: 5,258,664 km (0.094 R)
• M7: 6,013,535 km (0.073 R)
• M8: 6,944,932 km (0.118 R)
• M9: 8,174,925 km (0.052 R)
• M10: 8,656,630 km (0.028 R)
• M11: 9,480,017 km (0.115 R)
• M12: 10,564,302 km (0.087 R)
• M13: 11,542,224 km (0.079 R)
• M14: 13,019,503 km (0.1 R)
• M15: 13,469,792 km (0.065 R)
• M16: 14,532,087 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.9

Radius: 8.6

Gravity: 11 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.34 AU - 5.26 AU

Year: 7133 Days

Day: 14.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,136,586 km

• M1: 291,865 km (0.094 R)
• M2: 785,090 km (0.08 R)
• M3: 1,840,054 km (0.08 R)
• M4: 2,137,903 km (0.074 R)
• M5: 2,995,997 km (0.087 R)
• M6: 3,815,045 km (0.11 R)
• M7: 4,223,746 km (0.1 R)
• M8: 5,343,786 km (0.07 R)
• M9: 5,725,260 km (0.115 R)
• M10: 8,324,523 km (0.053 R)
• M11: 11,940,603 km (0.088 R)
• M12: 15,574,634 km (0.077 R)
• M13: 17,851,065 km (0.109 R)
• M14: 19,437,102 km (0.074 R)
• M15: 20,802,930 km (0.103 R)
• M16: 22,394,203 km (0.094 R)
• M17: 23,809,249 km (0.097 R)
• M18: 26,908,767 km (0.105 R)
• M19: 27,279,321 km (0.112 R)
• M20: 27,747,263 km (0.102 R)
• M21: 28,988,926 km (0.079 R)
• M22: 29,476,316 km (0.11 R)
• M23: 30,068,274 km (0.074 R)
• M24: 31,378,004 km (0.076 R)
• M25: 34,763,553 km (0.087 R)
• M26: 36,884,851 km (0.111 R)
• M27: 37,919,171 km (0.099 R)
• M28: 38,385,018 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267.2

Radius: 8

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.62 AU - 10.74 AU

Year: 18865 Days

Day: 16.6 Hours

Environment

Temp: -244 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,136,586 km

• M1: 106,214 km (0.11 R)
• M2: 357,090 km (0.038 R)
• M3: 652,396 km (0.064 R)
• M4: 2,387,732 km (0.111 R)
• M5: 3,941,754 km (0.087 R)
• M6: 4,372,596 km (0.063 R)
• M7: 10,405,579 km (0.066 R)
• M8: 14,288,242 km (0.09 R)
• M9: 14,689,165 km (0.08 R)
• M10: 15,097,567 km (0.106 R)
• M11: 17,556,357 km (0.092 R)
• M12: 20,354,137 km (0.085 R)
• M13: 21,991,037 km (0.057 R)
• M14: 24,751,267 km (0.095 R)
• M15: 26,513,829 km (0.12 R)
• M16: 27,941,292 km (0.062 R)
• M17: 30,396,642 km (0.037 R)
• M18: 31,846,096 km (0.111 R)
• M19: 37,219,801 km (0.084 R)
• M20: 44,712,560 km (0.107 R)
• M21: 45,140,260 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.3

Radius: 7.9

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 8.11 AU - 11.23 AU

Year: 20395 Days

Day: 17.5 Hours

Environment

Temp: -245 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,136,586 km

• M1: 113,844 km (0.071 R)
• M2: 616,194 km (0.104 R)
• M3: 907,909 km (0.05 R)
• M4: 1,563,896 km (0.11 R)
• M5: 2,734,499 km (0.058 R)
• M6: 3,321,222 km (0.116 R)
• M7: 3,688,336 km (0.094 R)
• M8: 6,361,201 km (0.067 R)
• M9: 8,015,454 km (0.049 R)
• M10: 8,316,744 km (0.113 R)
• M11: 8,573,454 km (0.084 R)
• M12: 9,375,897 km (0.052 R)
• M13: 10,285,901 km (0.063 R)
• M14: 11,824,066 km (0.091 R)
• M15: 14,968,763 km (0.082 R)
• M16: 15,349,340 km (0.112 R)
• M17: 17,350,211 km (0.077 R)
• M18: 18,025,646 km (0.113 R)
• M19: 21,667,905 km (0.066 R)
• M20: 24,177,409 km (0.045 R)
• M21: 25,340,683 km (0.095 R)
• M22: 26,209,846 km (0.075 R)
• M23: 43,717,135 km (0.064 R)
• M24: 52,614,170 km (0.077 R)
• M25: 53,494,403 km (0.101 R)
• M26: 55,828,579 km (0.091 R)
• M27: 57,298,378 km (0.108 R)
• M28: 63,237,563 km (0.1 R)
• M29: 66,457,657 km (0.066 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: 335 - 14,781 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit