🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.6

Radius: 12.7

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.15 AU - 1.57 AU

Year: 1040 Days

Day: 8 Hours

Environment

Temp: -170 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,055,579 km

• M1: 157,975 km (0.113 R)
• M2: 651,798 km (0.053 R)
• M3: 1,106,875 km (0.071 R)
• M4: 1,512,883 km (0.112 R)
• M5: 1,944,324 km (0.1 R)
• M6: 2,348,986 km (0.107 R)
• M7: 2,749,609 km (0.095 R)
• M8: 4,140,420 km (0.112 R)
• M9: 4,909,802 km (0.111 R)
• M10: 5,493,683 km (0.055 R)
• M11: 6,102,546 km (0.091 R)
• M12: 6,915,162 km (0.093 R)
• M13: 7,383,702 km (0.093 R)
• M14: 8,126,306 km (0.079 R)
• M15: 8,595,445 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.1

Radius: 13.3

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.44 AU - 1.68 AU

Year: 1278 Days

Day: 14 Hours

Environment

Temp: -186 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,055,579 km

• M1: 165,605 km (0.113 R)
• M2: 894,894 km (0.114 R)
• M3: 1,416,991 km (0.091 R)
• M4: 1,947,465 km (0.077 R)
• M5: 3,066,457 km (0.105 R)
• M6: 3,829,705 km (0.095 R)
• M7: 4,256,957 km (0.097 R)
• M8: 4,786,982 km (0.076 R)
• M9: 6,427,173 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.3

Radius: 9.9

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.85 AU - 2.87 AU

Year: 3173 Days

Day: 8.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,055,579 km

• M1: 180,415 km (0.098 R)
• M2: 770,579 km (0.026 R)
• M3: 1,272,479 km (0.085 R)
• M4: 1,682,078 km (0.113 R)
• M5: 2,334,475 km (0.064 R)
• M6: 2,786,859 km (0.119 R)
• M7: 3,098,770 km (0.114 R)
• M8: 3,451,522 km (0.107 R)
• M9: 3,963,596 km (0.106 R)
• M10: 4,652,943 km (0.089 R)
• M11: 5,661,382 km (0.064 R)
• M12: 6,139,347 km (0.116 R)
• M13: 7,321,170 km (0.073 R)
• M14: 9,317,703 km (0.115 R)
• M15: 9,877,648 km (0.101 R)
• M16: 12,511,169 km (0.037 R)
• M17: 14,677,047 km (0.118 R)
• M18: 15,148,131 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93

Radius: 13.1

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.33 AU - 5.65 AU

Year: 7312 Days

Day: 8.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,055,579 km

• M1: 465,399 km (0.094 R)
• M2: 2,144,186 km (0.109 R)
• M3: 3,132,280 km (0.101 R)
• M4: 6,678,199 km (0.053 R)
• M5: 7,473,311 km (0.09 R)
• M6: 9,720,122 km (0.099 R)
• M7: 10,625,039 km (0.092 R)
• M8: 11,058,125 km (0.045 R)
• M9: 15,606,499 km (0.076 R)
• M10: 16,635,732 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324

Radius: 3.8

Gravity: 22.44 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.87 AU - 5.99 AU

Year: 9473 Days

Day: 22.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 52,055,579 km

• M1: 47,273 km (0.097 R)
• M2: 233,522 km (0.105 R)
• M3: 739,761 km (0.064 R)
• M4: 933,790 km (0.088 R)
• M5: 1,171,651 km (0.101 R)
• M6: 1,387,670 km (0.063 R)
• M7: 1,629,719 km (0.109 R)
• M8: 1,782,309 km (0.052 R)
• M9: 2,021,366 km (0.075 R)
• M10: 2,544,959 km (0.099 R)
• M11: 3,070,197 km (0.077 R)
• M12: 3,347,402 km (0.096 R)
• M13: 5,047,582 km (0.078 R)
• M14: 5,680,680 km (0.093 R)
• M15: 6,639,752 km (0.113 R)
• M16: 8,830,314 km (0.118 R)
• M17: 9,042,892 km (0.042 R)
• M18: 10,722,727 km (0.091 R)
• M19: 11,210,116 km (0.112 R)
• M20: 11,712,167 km (0.057 R)
• M21: 13,643,625 km (0.053 R)
• M22: 15,224,575 km (0.114 R)
• M23: 16,793,408 km (0.119 R)
• M24: 18,884,338 km (0.095 R)
• M25: 20,617,728 km (0.073 R)
• M26: 22,533,030 km (0.041 R)
• M27: 24,230,816 km (0.111 R)
• M28: 29,453,726 km (0.067 R)
• M29: 31,677,798 km (0.104 R)
• M30: 33,494,365 km (0.062 R)
• M31: 36,023,018 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.4

Radius: 6.8

Gravity: 20.88 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.27 AU - 8.41 AU

Year: 11735 Days

Day: 19.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 52,055,579 km

• M1: 84,523 km (0.108 R)
• M2: 338,390 km (0.103 R)
• M3: 645,515 km (0.065 R)
• M4: 962,662 km (0.11 R)
• M5: 1,540,708 km (0.106 R)
• M6: 2,309,193 km (0.114 R)
• M7: 2,666,432 km (0.085 R)
• M8: 3,491,764 km (0.081 R)
• M9: 3,963,446 km (0.085 R)
• M10: 4,229,730 km (0.099 R)
• M11: 4,798,651 km (0.118 R)
• M12: 5,067,329 km (0.047 R)
• M13: 5,820,704 km (0.078 R)
• M14: 8,675,031 km (0.084 R)
• M15: 9,074,457 km (0.11 R)
• M16: 9,434,091 km (0.092 R)
• M17: 10,018,270 km (0.034 R)
• M18: 11,673,870 km (0.087 R)
• M19: 11,976,656 km (0.025 R)
• M20: 16,180,506 km (0.118 R)
• M21: 16,862,672 km (0.115 R)
• M22: 20,041,776 km (0.088 R)
• M23: 23,215,944 km (0.103 R)
• M24: 23,791,896 km (0.108 R)
• M25: 29,077,189 km (0.078 R)
• M26: 29,410,493 km (0.119 R)
• M27: 30,197,976 km (0.097 R)
• M28: 35,094,912 km (0.099 R)
• M29: 38,326,675 km (0.102 R)
• M30: 38,593,408 km (0.072 R)
• M31: 42,460,064 km (0.103 R)
• M32: 49,834,043 km (0.068 R)
• M33: 52,744,020 km (0.104 R)
• M34: 55,765,149 km (0.111 R)
• M35: 57,318,125 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354

Radius: 6.4

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 6.46 AU - 10.18 AU

Year: 15743 Days

Day: 15.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 52,055,579 km

• M1: 80,035 km (0.07 R)
• M2: 414,087 km (0.095 R)
• M3: 921,373 km (0.091 R)
• M4: 1,321,248 km (0.117 R)
• M5: 1,525,449 km (0.088 R)
• M6: 1,735,335 km (0.091 R)
• M7: 2,307,996 km (0.094 R)
• M8: 3,740,994 km (0.039 R)
• M9: 5,073,013 km (0.108 R)
• M10: 5,972,695 km (0.111 R)
• M11: 6,232,098 km (0.061 R)
• M12: 8,965,101 km (0.061 R)
• M13: 10,538,721 km (0.077 R)
• M14: 12,769,076 km (0.112 R)
• M15: 16,712,625 km (0.075 R)
• M16: 16,932,385 km (0.089 R)
• M17: 17,228,588 km (0.047 R)
• M18: 21,484,947 km (0.099 R)
• M19: 23,900,953 km (0.066 R)
• M20: 25,511,673 km (0.045 R)
• M21: 27,396,008 km (0.113 R)
• M22: 30,122,279 km (0.076 R)
• M23: 31,217,186 km (0.073 R)
• M24: 32,680,104 km (0.082 R)
• M25: 34,424,116 km (0.097 R)
• M26: 34,899,388 km (0.081 R)
• M27: 36,597,623 km (0.055 R)
• M28: 39,376,404 km (0.071 R)
• M29: 40,027,005 km (0.066 R)
• M30: 48,998,987 km (0.091 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 13,275 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit