🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.2

Radius: 14.9

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.76 AU - 1.06 AU

Year: 579 Days

Day: 11.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,427,531 km

• M1: 185,352 km (0.111 R)
• M2: 654,042 km (0.108 R)
• M3: 1,138,889 km (0.073 R)
• M4: 1,952,252 km (0.071 R)
• M5: 2,587,445 km (0.086 R)
• M6: 3,068,552 km (0.115 R)
• M7: 3,752,064 km (0.078 R)
• M8: 4,373,494 km (0.045 R)
• M9: 5,227,847 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.7

Radius: 9.1

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.01 AU - 1.11 AU

Year: 728 Days

Day: 12.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,427,531 km

• M1: 114,742 km (0.069 R)
• M2: 477,068 km (0.098 R)
• M3: 1,171,501 km (0.096 R)
• M4: 1,460,674 km (0.026 R)
• M5: 1,841,699 km (0.038 R)
• M6: 2,187,719 km (0.029 R)
• M7: 2,830,093 km (0.112 R)
• M8: 3,663,652 km (0.098 R)
• M9: 4,890,654 km (0.096 R)
• M10: 5,693,545 km (0.089 R)
• M11: 6,476,241 km (0.101 R)
• M12: 7,193,114 km (0.118 R)
• M13: 7,512,805 km (0.115 R)
• M14: 7,889,792 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.4

Radius: 11.5

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.14 AU - 1.42 AU

Year: 966 Days

Day: 9.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,427,531 km

• M1: 143,165 km (0.087 R)
• M2: 946,207 km (0.071 R)
• M3: 1,338,751 km (0.082 R)
• M4: 1,744,162 km (0.089 R)
• M5: 3,115,974 km (0.059 R)
• M6: 3,720,200 km (0.079 R)
• M7: 4,870,009 km (0.071 R)
• M8: 5,314,614 km (0.11 R)
• M9: 6,350,130 km (0.073 R)
• M10: 6,723,826 km (0.104 R)
• M11: 7,467,327 km (0.117 R)
• M12: 8,136,479 km (0.095 R)
• M13: 8,551,613 km (0.059 R)
• M14: 9,623,332 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.5

Radius: 10.8

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.11 AU - 1.77 AU

Year: 1152 Days

Day: 5.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,427,531 km

• M1: 135,087 km (0.113 R)
• M2: 496,067 km (0.112 R)
• M3: 1,340,547 km (0.1 R)
• M4: 1,755,531 km (0.115 R)
• M5: 2,439,941 km (0.109 R)
• M6: 2,913,119 km (0.045 R)
• M7: 3,335,285 km (0.057 R)
• M8: 3,738,002 km (0.074 R)
• M9: 4,124,862 km (0.088 R)
• M10: 4,538,500 km (0.119 R)
• M11: 5,353,360 km (0.106 R)
• M12: 6,522,168 km (0.05 R)
• M13: 7,016,140 km (0.112 R)
• M14: 7,367,246 km (0.106 R)
• M15: 9,498,866 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.4

Radius: 11.8

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.99 AU - 2.07 AU

Year: 1929 Days

Day: 11.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,427,531 km

• M1: 154,535 km (0.045 R)
• M2: 610,210 km (0.114 R)
• M3: 1,115,551 km (0.103 R)
• M4: 1,946,268 km (0.12 R)
• M5: 2,434,556 km (0.091 R)
• M6: 3,605,907 km (0.081 R)
• M7: 4,175,426 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.8

Radius: 11.3

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.28 AU - 4.82 AU

Year: 5435 Days

Day: 13.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,427,531 km

• M1: 140,622 km (0.085 R)
• M2: 526,435 km (0.109 R)
• M3: 1,240,765 km (0.09 R)
• M4: 1,931,159 km (0.117 R)
• M5: 4,072,353 km (0.096 R)
• M6: 7,951,276 km (0.119 R)
• M7: 8,827,920 km (0.099 R)
• M8: 9,289,729 km (0.117 R)
• M9: 11,707,978 km (0.119 R)
• M10: 12,218,855 km (0.058 R)
• M11: 12,599,731 km (0.107 R)
• M12: 13,637,491 km (0.113 R)
• M13: 15,054,483 km (0.111 R)
• M14: 15,770,608 km (0.054 R)
• M15: 16,222,543 km (0.071 R)
• M16: 17,751,283 km (0.104 R)
• M17: 18,302,252 km (0.066 R)
• M18: 20,553,850 km (0.037 R)
• M19: 23,492,550 km (0.07 R)
• M20: 24,682,302 km (0.033 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.2

Radius: 14.3

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.81 AU - 4.83 AU

Year: 5988 Days

Day: 13.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 128.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,427,531 km

• M1: 177,872 km (0.101 R)
• M2: 707,897 km (0.11 R)
• M3: 1,264,850 km (0.11 R)
• M4: 2,026,004 km (0.12 R)
• M5: 4,392,193 km (0.102 R)
• M6: 4,905,015 km (0.119 R)
• M7: 5,457,779 km (0.116 R)
• M8: 6,415,654 km (0.117 R)
• M9: 7,042,469 km (0.096 R)
• M10: 7,595,832 km (0.077 R)
• M11: 11,349,841 km (0.041 R)
• M12: 12,533,010 km (0.1 R)
• M13: 14,784,608 km (0.078 R)
• M14: 16,641,866 km (0.103 R)
• M15: 17,096,793 km (0.113 R)
• M16: 18,167,913 km (0.113 R)
• M17: 18,789,792 km (0.119 R)
• M18: 20,369,844 km (0.061 R)
• M19: 21,497,064 km (0.105 R)
• M20: 24,371,438 km (0.092 R)
• M21: 25,555,505 km (0.09 R)
• M22: 27,313,130 km (0.06 R)
• M23: 28,129,935 km (0.114 R)
• M24: 28,590,696 km (0.052 R)
• M25: 29,244,140 km (0.079 R)
• M26: 30,970,499 km (0.099 R)
• M27: 31,858,662 km (0.093 R)
• M28: 32,359,366 km (0.119 R)
• M29: 33,686,000 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.7

Radius: 3

Gravity: 57.08 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 8.77 AU - 9.29 AU

Year: 18095 Days

Day: 18 Hours

Environment

Temp: -230 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 61,427,531 km

• M1: 37,848 km (0.09 R)
• M2: 140,772 km (0.049 R)
• M3: 371,900 km (0.048 R)
• M4: 753,973 km (0.103 R)
• M5: 1,047,185 km (0.103 R)
• M6: 1,471,295 km (0.084 R)
• M7: 1,799,812 km (0.113 R)
• M8: 1,907,373 km (0.092 R)
• M9: 2,359,906 km (0.102 R)
• M10: 4,330,709 km (0.108 R)
• M11: 4,426,751 km (0.077 R)
• M12: 5,284,096 km (0.088 R)
• M13: 5,656,146 km (0.068 R)
• M14: 5,887,424 km (0.108 R)
• M15: 6,704,528 km (0.111 R)
• M16: 8,610,405 km (0.114 R)
• M17: 9,072,363 km (0.114 R)
• M18: 12,196,266 km (0.11 R)
• M19: 14,491,546 km (0.084 R)
• M20: 15,217,843 km (0.092 R)
• M21: 15,967,927 km (0.105 R)
• M22: 16,742,395 km (0.026 R)
• M23: 19,043,510 km (0.087 R)
• M24: 19,475,399 km (0.059 R)
• M25: 20,358,924 km (0.039 R)
• M26: 22,780,165 km (0.049 R)
• M27: 25,699,418 km (0.095 R)
• M28: 25,804,286 km (0.116 R)
• M29: 28,408,037 km (0.04 R)
• M30: 29,773,267 km (0.089 R)
• M31: 30,943,871 km (0.111 R)
• M32: 32,023,219 km (0.119 R)
• M33: 33,877,635 km (0.106 R)
• M34: 34,766,994 km (0.108 R)
• M35: 40,859,068 km (0.091 R)
• M36: 45,139,811 km (0.093 R)
• M37: 54,578,539 km (0.102 R)
• M38: 54,751,923 km (0.071 R)
• M39: 59,205,452 km (0.095 R)
• M40: 59,939,678 km (0.12 R)
• M41: 60,865,988 km (0.039 R)
• M42: 63,894,298 km (0.054 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 369.9

Radius: 3.6

Gravity: 28.54 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 9.3 AU - 9.84 AU

Year: 19742 Days

Day: 16 Hours

Environment

Temp: -229 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 61,427,531 km

• M1: 44,879 km (0.111 R)
• M2: 251,923 km (0.069 R)
• M3: 654,790 km (0.036 R)
• M4: 1,495,829 km (0.094 R)
• M5: 2,250,700 km (0.112 R)
• M6: 2,814,235 km (0.1 R)
• M7: 3,179,254 km (0.103 R)
• M8: 3,799,188 km (0.041 R)
• M9: 3,914,677 km (0.115 R)
• M10: 4,122,469 km (0.101 R)
• M11: 5,097,398 km (0.084 R)
• M12: 5,563,994 km (0.032 R)
• M13: 7,134,622 km (0.114 R)
• M14: 7,489,767 km (0.103 R)
• M15: 8,331,853 km (0.093 R)
• M16: 8,675,629 km (0.113 R)
• M17: 12,083,319 km (0.038 R)
• M18: 12,523,735 km (0.108 R)
• M19: 16,439,460 km (0.047 R)
• M20: 17,612,008 km (0.115 R)
• M21: 18,177,787 km (0.088 R)
• M22: 20,473,665 km (0.098 R)
• M23: 22,014,374 km (0.11 R)
• M24: 22,575,964 km (0.062 R)
• M25: 28,507,071 km (0.091 R)
• M26: 30,887,173 km (0.068 R)
• M27: 31,003,710 km (0.116 R)
• M28: 31,472,699 km (0.053 R)
• M29: 32,425,039 km (0.1 R)
• M30: 35,909,323 km (0.095 R)
• M31: 37,343,668 km (0.113 R)
• M32: 38,410,600 km (0.111 R)
• M33: 38,951,546 km (0.108 R)
• M34: 42,592,459 km (0.117 R)
• M35: 44,643,745 km (0.114 R)
• M36: 48,942,140 km (0.053 R)
• M37: 57,113,176 km (0.113 R)
• M38: 59,064,531 km (0.077 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: 205 - 18,019 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit