🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.2

Radius: 13.8

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.39 AU - 0.65 AU

Year: 250 Days

Day: 7.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,301,041 km

• M1: 171,589 km (0.077 R)
• M2: 610,808 km (0.098 R)
• M3: 1,128,118 km (0.11 R)
• M4: 1,617,303 km (0.102 R)
• M5: 2,086,442 km (0.072 R)
• M6: 2,655,961 km (0.079 R)
• M7: 3,102,061 km (0.084 R)
• M8: 3,556,091 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.5

Radius: 11.5

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.88 AU - 0.96 AU

Year: 588 Days

Day: 9.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,301,041 km

• M1: 143,315 km (0.038 R)
• M2: 503,546 km (0.037 R)
• M3: 870,809 km (0.095 R)
• M4: 1,244,205 km (0.082 R)
• M5: 1,734,438 km (0.076 R)
• M6: 3,273,052 km (0.106 R)
• M7: 4,104,367 km (0.096 R)
• M8: 5,056,408 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.8

Radius: 14.8

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.03 AU - 1.37 AU

Year: 877 Days

Day: 15 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 34,301,041 km

• M1: 185,501 km (0.032 R)
• M2: 967,749 km (0.099 R)
• M3: 1,517,072 km (0.107 R)
• M4: 2,548,998 km (0.07 R)
• M5: 5,109,665 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.6

Radius: 10.7

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.17 AU - 1.25 AU

Year: 888 Days

Day: 6.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,301,041 km

• M1: 133,142 km (0.088 R)
• M2: 642,822 km (0.039 R)
• M3: 1,021,753 km (0.1 R)
• M4: 1,590,824 km (0.066 R)
• M5: 2,272,242 km (0.113 R)
• M6: 3,200,796 km (0.071 R)
• M7: 3,689,233 km (0.075 R)
• M8: 5,001,655 km (0.115 R)
• M9: 5,754,880 km (0.119 R)
• M10: 6,238,231 km (0.105 R)
• M11: 6,811,490 km (0.082 R)
• M12: 7,352,735 km (0.048 R)
• M13: 7,714,014 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.6

Radius: 10.9

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.74 AU - 1.92 AU

Year: 1651 Days

Day: 13.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,301,041 km

• M1: 135,536 km (0.118 R)
• M2: 508,782 km (0.034 R)
• M3: 877,392 km (0.108 R)
• M4: 1,730,698 km (0.12 R)
• M5: 2,830,242 km (0.116 R)
• M6: 3,589,302 km (0.112 R)
• M7: 4,753,472 km (0.116 R)
• M8: 5,470,645 km (0.074 R)
• M9: 6,322,305 km (0.072 R)
• M10: 7,689,181 km (0.074 R)
• M11: 8,059,884 km (0.05 R)
• M12: 8,730,681 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.8

Radius: 12.9

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.36 AU - 4.56 AU

Year: 6281 Days

Day: 13.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,301,041 km

• M1: 160,519 km (0.109 R)
• M2: 1,506,750 km (0.088 R)
• M3: 2,378,157 km (0.071 R)
• M4: 4,351,652 km (0.087 R)
• M5: 6,875,967 km (0.119 R)
• M6: 7,471,516 km (0.093 R)
• M7: 9,512,031 km (0.085 R)
• M8: 14,069,381 km (0.071 R)
• M9: 14,908,475 km (0.108 R)
• M10: 17,287,081 km (0.066 R)
• M11: 19,834,434 km (0.119 R)
• M12: 23,441,388 km (0.104 R)
• M13: 24,706,388 km (0.083 R)
• M14: 25,927,555 km (0.103 R)
• M15: 35,409,218 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93.3

Radius: 5.5

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 6.49 AU - 10.47 AU

Year: 16467 Days

Day: 15.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,301,041 km

• M1: 68,366 km (0.117 R)
• M2: 261,946 km (0.055 R)
• M3: 573,109 km (0.109 R)
• M4: 813,812 km (0.113 R)
• M5: 1,778,868 km (0.042 R)
• M6: 3,984,090 km (0.045 R)
• M7: 4,231,376 km (0.051 R)
• M8: 4,621,377 km (0.114 R)
• M9: 5,624,581 km (0.109 R)
• M10: 6,627,634 km (0.102 R)
• M11: 7,631,436 km (0.104 R)
• M12: 9,364,378 km (0.099 R)
• M13: 9,669,408 km (0.115 R)
• M14: 10,671,265 km (0.101 R)
• M15: 11,197,251 km (0.082 R)
• M16: 11,540,877 km (0.034 R)
• M17: 14,664,481 km (0.098 R)
• M18: 26,534,474 km (0.047 R)
• M19: 27,057,318 km (0.09 R)
• M20: 27,765,215 km (0.095 R)
• M21: 28,304,216 km (0.048 R)
• M22: 28,576,335 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324.5

Radius: 7.4

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 8.64 AU - 8.64 AU

Year: 16936 Days

Day: 22.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 34,301,041 km

• M1: 92,003 km (0.06 R)
• M2: 427,551 km (0.083 R)
• M3: 711,936 km (0.105 R)
• M4: 981,212 km (0.111 R)
• M5: 1,452,595 km (0.104 R)
• M6: 1,748,500 km (0.076 R)
• M7: 2,585,350 km (0.037 R)
• M8: 2,820,219 km (0.104 R)
• M9: 4,699,468 km (0.106 R)
• M10: 5,150,355 km (0.101 R)
• M11: 5,594,362 km (0.075 R)
• M12: 5,916,596 km (0.114 R)
• M13: 6,365,389 km (0.101 R)
• M14: 6,637,508 km (0.085 R)
• M15: 6,998,787 km (0.076 R)
• M16: 8,957,621 km (0.059 R)
• M17: 10,219,928 km (0.081 R)
• M18: 11,425,388 km (0.106 R)
• M19: 13,855,156 km (0.031 R)
• M20: 15,677,558 km (0.11 R)
• M21: 16,103,164 km (0.056 R)
• M22: 16,829,760 km (0.106 R)
• M23: 21,394,141 km (0.112 R)
• M24: 23,448,569 km (0.078 R)
• M25: 24,099,020 km (0.079 R)
• M26: 26,620,791 km (0.083 R)
• M27: 27,945,181 km (0.108 R)
• M28: 32,754,155 km (0.117 R)
• M29: 33,100,773 km (0.089 R)
• M30: 40,958,102 km (0.085 R)
• M31: 41,630,245 km (0.03 R)
• M32: 43,412,105 km (0.103 R)
• M33: 43,690,806 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 47.8

Radius: 6

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 9.76 AU - 11.38 AU

Year: 22916 Days

Day: 15.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,301,041 km

• M1: 74,649 km (0.09 R)
• M2: 825,930 km (0.109 R)
• M3: 1,631,963 km (0.111 R)
• M4: 1,865,186 km (0.064 R)
• M5: 2,665,086 km (0.076 R)
• M6: 4,126,059 km (0.119 R)
• M7: 5,055,660 km (0.089 R)
• M8: 5,831,325 km (0.088 R)
• M9: 7,211,814 km (0.037 R)
• M10: 7,729,273 km (0.047 R)
• M11: 9,258,762 km (0.09 R)
• M12: 11,027,607 km (0.083 R)
• M13: 12,428,441 km (0.088 R)
• M14: 13,009,928 km (0.074 R)
• M15: 14,921,939 km (0.076 R)
• M16: 17,929,155 km (0.082 R)
• M17: 19,857,771 km (0.03 R)
• M18: 22,612,765 km (0.077 R)
• M19: 25,192,431 km (0.062 R)
• M20: 27,163,233 km (0.073 R)
• M21: 33,993,872 km (0.11 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 16,943 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit