🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.3

Radius: 12

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.21 AU - 1.33 AU

Year: 939 Days

Day: 8.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,448,831 km

• M1: 149,299 km (0.085 R)
• M2: 532,718 km (0.105 R)
• M3: 907,909 km (0.077 R)
• M4: 1,519,017 km (0.111 R)
• M5: 2,304,256 km (0.084 R)
• M6: 3,591,246 km (0.092 R)
• M7: 4,672,989 km (0.118 R)
• M8: 5,669,311 km (0.111 R)
• M9: 6,218,035 km (0.091 R)
• M10: 7,012,699 km (0.101 R)
• M11: 7,521,183 km (0.112 R)
• M12: 8,132,439 km (0.091 R)
• M13: 9,139,383 km (0.113 R)
• M14: 9,955,290 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.3

Radius: 11.6

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.65 AU - 2.45 AU

Year: 1925 Days

Day: 6.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,448,831 km

• M1: 144,362 km (0.084 R)
• M2: 526,136 km (0.052 R)
• M3: 939,175 km (0.079 R)
• M4: 1,412,054 km (0.12 R)
• M5: 1,774,081 km (0.109 R)
• M6: 2,292,139 km (0.118 R)
• M7: 2,937,953 km (0.102 R)
• M8: 3,652,432 km (0.116 R)
• M9: 4,460,410 km (0.075 R)
• M10: 5,152,151 km (0.105 R)
• M11: 6,168,668 km (0.08 R)
• M12: 6,799,822 km (0.06 R)
• M13: 7,287,810 km (0.071 R)
• M14: 8,191,231 km (0.09 R)
• M15: 8,684,904 km (0.076 R)
• M16: 10,055,670 km (0.076 R)
• M17: 11,174,811 km (0.113 R)
• M18: 12,076,587 km (0.07 R)
• M19: 13,065,130 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.7

Radius: 10.9

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.71 AU - 2.81 AU

Year: 3008 Days

Day: 12.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,448,831 km

• M1: 135,536 km (0.027 R)
• M2: 520,601 km (0.112 R)
• M3: 1,063,192 km (0.083 R)
• M4: 1,406,968 km (0.085 R)
• M5: 1,837,959 km (0.062 R)
• M6: 2,522,220 km (0.113 R)
• M7: 3,182,545 km (0.111 R)
• M8: 5,165,016 km (0.071 R)
• M9: 5,818,160 km (0.114 R)
• M10: 6,257,081 km (0.079 R)
• M11: 6,999,684 km (0.12 R)
• M12: 7,407,339 km (0.11 R)
• M13: 7,892,634 km (0.119 R)
• M14: 8,238,504 km (0.068 R)
• M15: 8,594,547 km (0.091 R)
• M16: 9,512,181 km (0.089 R)
• M17: 10,233,093 km (0.06 R)
• M18: 11,382,453 km (0.119 R)
• M19: 12,236,807 km (0.11 R)
• M20: 13,264,993 km (0.111 R)
• M21: 16,186,938 km (0.118 R)
• M22: 16,901,717 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.6

Radius: 12.8

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.68 AU - 3.7 AU

Year: 3738 Days

Day: 11.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,448,831 km

• M1: 159,172 km (0.081 R)
• M2: 561,441 km (0.105 R)
• M3: 1,343,538 km (0.115 R)
• M4: 1,989,502 km (0.109 R)
• M5: 2,482,876 km (0.104 R)
• M6: 3,518,991 km (0.06 R)
• M7: 3,948,486 km (0.118 R)
• M8: 4,413,287 km (0.071 R)
• M9: 5,725,410 km (0.077 R)
• M10: 6,991,008 km (0.067 R)
• M11: 8,733,075 km (0.116 R)
• M12: 9,491,237 km (0.091 R)
• M13: 10,106,832 km (0.054 R)
• M14: 11,218,195 km (0.106 R)
• M15: 13,013,968 km (0.069 R)
• M16: 13,412,795 km (0.085 R)
• M17: 14,281,959 km (0.118 R)
• M18: 14,946,024 km (0.097 R)
• M19: 15,730,216 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.6

Radius: 9.8

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.73 AU - 6.01 AU

Year: 8163 Days

Day: 10.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,448,831 km

• M1: 121,922 km (0.059 R)
• M2: 462,706 km (0.049 R)
• M3: 902,524 km (0.039 R)
• M4: 1,226,254 km (0.101 R)
• M5: 2,607,940 km (0.1 R)
• M6: 3,913,181 km (0.117 R)
• M7: 4,768,133 km (0.07 R)
• M8: 5,511,934 km (0.117 R)
• M9: 6,402,938 km (0.113 R)
• M10: 7,426,786 km (0.055 R)
• M11: 8,777,505 km (0.045 R)
• M12: 9,185,160 km (0.083 R)
• M13: 10,434,751 km (0.108 R)
• M14: 12,744,691 km (0.116 R)
• M15: 16,238,250 km (0.047 R)
• M16: 16,578,137 km (0.109 R)
• M17: 17,913,747 km (0.077 R)
• M18: 20,877,729 km (0.1 R)
• M19: 24,865,709 km (0.056 R)
• M20: 33,977,865 km (0.077 R)
• M21: 35,324,396 km (0.065 R)
• M22: 39,946,671 km (0.108 R)
• M23: 40,942,244 km (0.1 R)
• M24: 42,595,151 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399.5

Radius: 6.3

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.95 AU - 8.55 AU

Year: 14153 Days

Day: 21.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,448,831 km

• M1: 78,389 km (0.085 R)
• M2: 372,349 km (0.041 R)
• M3: 1,081,593 km (0.071 R)
• M4: 2,130,274 km (0.065 R)
• M5: 3,577,783 km (0.118 R)
• M6: 12,384,310 km (0.093 R)
• M7: 12,923,610 km (0.119 R)
• M8: 15,511,504 km (0.102 R)
• M9: 19,446,078 km (0.059 R)
• M10: 23,541,170 km (0.118 R)
• M11: 24,554,546 km (0.052 R)
• M12: 34,545,290 km (0.116 R)
• M13: 48,543,163 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.5

Radius: 7.9

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 10.03 AU - 11.43 AU

Year: 23057 Days

Day: 22.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,448,831 km

• M1: 112,498 km (0.101 R)
• M2: 438,471 km (0.057 R)
• M3: 913,295 km (0.091 R)
• M4: 1,186,311 km (0.118 R)
• M5: 1,579,155 km (0.116 R)
• M6: 1,857,856 km (0.106 R)
• M7: 4,208,338 km (0.098 R)
• M8: 4,834,704 km (0.059 R)
• M9: 8,258,401 km (0.111 R)
• M10: 8,846,021 km (0.11 R)
• M11: 11,224,478 km (0.085 R)
• M12: 12,103,814 km (0.038 R)
• M13: 12,751,573 km (0.106 R)
• M14: 15,575,981 km (0.118 R)
• M15: 17,200,464 km (0.052 R)
• M16: 19,295,283 km (0.045 R)
• M17: 21,320,988 km (0.064 R)
• M18: 23,401,745 km (0.105 R)
• M19: 25,178,518 km (0.093 R)
• M20: 27,043,256 km (0.109 R)
• M21: 29,380,872 km (0.102 R)
• M22: 33,187,240 km (0.065 R)
• M23: 37,422,655 km (0.102 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 13,131 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit