🌌 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: 966

Radius: 14.8

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.44 AU - 0.6 AU

Year: 254 Days

Day: 9.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 37,757,071 km

• M1: 184,155 km (0.084 R)
• M2: 783,294 km (0.082 R)
• M3: 1,544,897 km (0.115 R)
• M4: 2,755,294 km (0.12 R)
• M5: 3,449,577 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.6

Radius: 9.2

Gravity: 11.64 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.68 AU - 0.94 AU

Year: 494 Days

Day: 12.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,757,071 km

• M1: 114,442 km (0.051 R)
• M2: 1,038,508 km (0.102 R)
• M3: 1,381,237 km (0.082 R)
• M4: 2,013,139 km (0.108 R)
• M5: 2,451,161 km (0.055 R)
• M6: 2,998,540 km (0.116 R)
• M7: 3,941,904 km (0.119 R)
• M8: 4,505,439 km (0.077 R)
• M9: 5,054,463 km (0.057 R)
• M10: 5,665,421 km (0.099 R)
• M11: 6,324,848 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.7

Radius: 10.2

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.99 AU - 1.11 AU

Year: 730 Days

Day: 15 Hours

Environment

Temp: -173 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 37,757,071 km

• M1: 127,009 km (0.036 R)
• M2: 830,717 km (0.117 R)
• M3: 1,567,636 km (0.107 R)
• M4: 1,914,254 km (0.103 R)
• M5: 2,265,361 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.4

Radius: 12.9

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.12 AU - 1.14 AU

Year: 815 Days

Day: 14.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,757,071 km

• M1: 164,857 km (0.07 R)
• M2: 617,241 km (0.072 R)
• M3: 1,259,016 km (0.052 R)
• M4: 1,675,795 km (0.057 R)
• M5: 2,241,126 km (0.112 R)
• M6: 2,976,848 km (0.097 R)
• M7: 4,526,383 km (0.115 R)
• M8: 5,158,135 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.6

Radius: 12.4

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.17 AU - 1.41 AU

Year: 994 Days

Day: 7.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,757,071 km

• M1: 154,235 km (0.113 R)
• M2: 622,028 km (0.102 R)
• M3: 1,149,061 km (0.087 R)
• M4: 1,625,231 km (0.108 R)
• M5: 2,146,281 km (0.061 R)
• M6: 2,892,624 km (0.09 R)
• M7: 3,433,720 km (0.09 R)
• M8: 4,259,799 km (0.114 R)
• M9: 5,828,034 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.8

Radius: 13.2

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.33 AU - 2.47 AU

Year: 2522 Days

Day: 15 Hours

Environment

Temp: -205 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,757,071 km

• M1: 164,558 km (0.102 R)
• M2: 588,219 km (0.095 R)
• M3: 1,212,640 km (0.109 R)
• M4: 1,822,551 km (0.032 R)
• M5: 2,346,293 km (0.047 R)
• M6: 2,831,439 km (0.114 R)
• M7: 3,769,118 km (0.053 R)
• M8: 4,477,614 km (0.095 R)
• M9: 5,529,736 km (0.047 R)
• M10: 9,618,545 km (0.114 R)
• M11: 10,200,480 km (0.049 R)
• M12: 11,435,112 km (0.051 R)
• M13: 11,904,699 km (0.056 R)
• M14: 12,652,240 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.2

Radius: 9.6

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.66 AU - 3.92 AU

Year: 4047 Days

Day: 14.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,757,071 km

• M1: 119,379 km (0.098 R)
• M2: 455,526 km (0.107 R)
• M3: 810,671 km (0.104 R)
• M4: 1,575,565 km (0.116 R)
• M5: 1,970,802 km (0.053 R)
• M6: 2,404,337 km (0.088 R)
• M7: 3,240,739 km (0.114 R)
• M8: 3,661,857 km (0.111 R)
• M9: 4,079,684 km (0.059 R)
• M10: 4,700,664 km (0.115 R)
• M11: 7,059,673 km (0.107 R)
• M12: 8,142,463 km (0.077 R)
• M13: 8,494,616 km (0.041 R)
• M14: 9,058,600 km (0.112 R)
• M15: 10,372,668 km (0.088 R)
• M16: 11,329,645 km (0.109 R)
• M17: 11,850,096 km (0.12 R)
• M18: 12,938,720 km (0.074 R)
• M19: 17,433,537 km (0.117 R)
• M20: 18,127,522 km (0.055 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.7

Radius: 12.8

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.34 AU - 6.64 AU

Year: 8725 Days

Day: 6.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 37,757,071 km

• M1: 159,172 km (0.092 R)
• M2: 706,551 km (0.108 R)
• M3: 1,415,046 km (0.091 R)
• M4: 2,087,339 km (0.074 R)
• M5: 3,136,170 km (0.098 R)
• M6: 4,021,789 km (0.061 R)
• M7: 4,856,844 km (0.106 R)
• M8: 7,215,853 km (0.077 R)
• M9: 8,276,801 km (0.108 R)
• M10: 8,889,704 km (0.07 R)
• M11: 10,157,546 km (0.074 R)
• M12: 10,707,318 km (0.028 R)
• M13: 12,086,162 km (0.115 R)
• M14: 12,875,889 km (0.105 R)
• M15: 13,760,162 km (0.062 R)
• M16: 14,747,358 km (0.059 R)
• M17: 16,114,234 km (0.084 R)
• M18: 19,023,613 km (0.111 R)
• M19: 19,629,634 km (0.119 R)
• M20: 20,326,760 km (0.12 R)
• M21: 22,601,695 km (0.086 R)
• M22: 23,713,656 km (0.111 R)
• M23: 24,593,591 km (0.09 R)
• M24: 25,495,217 km (0.102 R)
• M25: 27,268,700 km (0.102 R)
• M26: 37,978,561 km (0.118 R)
• M27: 40,911,427 km (0.042 R)
• M28: 43,861,049 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 254.3

Radius: 7.9

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.29 AU - 7.89 AU

Year: 11474 Days

Day: 24.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 37,757,071 km

• M1: 101,727 km (0.05 R)
• M2: 504,743 km (0.104 R)
• M3: 907,311 km (0.067 R)
• M4: 2,021,217 km (0.07 R)
• M5: 2,436,800 km (0.107 R)
• M6: 2,789,851 km (0.113 R)
• M7: 4,948,249 km (0.099 R)
• M8: 5,832,671 km (0.093 R)
• M9: 7,483,933 km (0.111 R)
• M10: 10,203,472 km (0.074 R)
• M11: 11,172,867 km (0.115 R)
• M12: 12,149,591 km (0.102 R)
• M13: 13,805,789 km (0.114 R)
• M14: 14,154,352 km (0.114 R)
• M15: 15,795,740 km (0.067 R)
• M16: 16,049,159 km (0.106 R)
• M17: 18,384,980 km (0.105 R)
• M18: 20,111,639 km (0.063 R)
• M19: 20,559,684 km (0.114 R)
• M20: 22,101,440 km (0.077 R)
• M21: 22,418,737 km (0.115 R)
• M22: 23,884,646 km (0.088 R)
• M23: 27,460,185 km (0.041 R)
• M24: 28,197,104 km (0.103 R)
• M25: 29,518,502 km (0.067 R)
• M26: 29,806,927 km (0.073 R)
• M27: 30,487,148 km (0.12 R)
• M28: 30,781,856 km (0.096 R)
• M29: 31,577,119 km (0.115 R)
• M30: 32,385,994 km (0.071 R)
• M31: 33,104,962 km (0.103 R)
• M32: 34,468,397 km (0.077 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 20,195 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit