🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.9

Radius: 8.7

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.53 AU - 0.71 AU

Year: 343 Days

Day: 9.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,234,546 km

• M1: 108,159 km (0.069 R)
• M2: 382,522 km (0.099 R)
• M3: 662,270 km (0.117 R)
• M4: 936,931 km (0.055 R)
• M5: 1,214,735 km (0.049 R)
• M6: 1,675,197 km (0.078 R)
• M7: 2,063,104 km (0.117 R)
• M8: 2,837,423 km (0.111 R)
• M9: 3,261,682 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.9

Radius: 14.3

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.72 AU - 0.72 AU

Year: 429 Days

Day: 11.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,234,546 km

• M1: 177,872 km (0.109 R)
• M2: 738,864 km (0.049 R)
• M3: 1,363,285 km (0.101 R)
• M4: 2,001,919 km (0.115 R)
• M5: 3,170,428 km (0.041 R)
• M6: 3,678,013 km (0.075 R)
• M7: 5,637,895 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.5

Radius: 13.1

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.2 AU - 1.56 AU

Year: 1140 Days

Day: 7.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,234,546 km

• M1: 162,912 km (0.119 R)
• M2: 584,928 km (0.083 R)
• M3: 1,139,786 km (0.109 R)
• M4: 1,557,463 km (0.074 R)
• M5: 2,404,187 km (0.116 R)
• M6: 3,207,079 km (0.078 R)
• M7: 3,658,566 km (0.062 R)
• M8: 4,439,167 km (0.04 R)
• M9: 5,890,267 km (0.069 R)
• M10: 6,653,365 km (0.111 R)
• M11: 7,437,408 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.4

Radius: 13.3

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.75 AU - 2.07 AU

Year: 1855 Days

Day: 14.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,234,546 km

• M1: 165,904 km (0.063 R)
• M2: 581,637 km (0.105 R)
• M3: 1,021,903 km (0.077 R)
• M4: 1,442,871 km (0.097 R)
• M5: 2,324,302 km (0.072 R)
• M6: 2,880,357 km (0.086 R)
• M7: 5,276,167 km (0.083 R)
• M8: 7,040,973 km (0.113 R)
• M9: 7,801,679 km (0.107 R)
• M10: 8,241,496 km (0.063 R)
• M11: 8,974,526 km (0.076 R)
• M12: 9,486,899 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.8

Radius: 11.4

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.84 AU - 2.34 AU

Year: 2124 Days

Day: 11.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 130.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,234,546 km

• M1: 142,866 km (0.096 R)
• M2: 593,604 km (0.037 R)
• M3: 1,316,312 km (0.06 R)
• M4: 1,898,098 km (0.114 R)
• M5: 3,120,013 km (0.107 R)
• M6: 3,667,841 km (0.079 R)
• M7: 5,198,376 km (0.06 R)
• M8: 6,872,077 km (0.074 R)
• M9: 8,530,968 km (0.096 R)
• M10: 9,303,940 km (0.12 R)
• M11: 9,844,737 km (0.077 R)
• M12: 10,406,327 km (0.103 R)
• M13: 13,035,510 km (0.097 R)
• M14: 14,548,393 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.2

Radius: 14.1

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.95 AU - 4.19 AU

Year: 4741 Days

Day: 6.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,234,546 km

• M1: 199,564 km (0.091 R)
• M2: 1,175,390 km (0.09 R)
• M3: 2,077,316 km (0.062 R)
• M4: 3,529,163 km (0.109 R)
• M5: 3,970,028 km (0.114 R)
• M6: 4,726,844 km (0.117 R)
• M7: 7,767,570 km (0.095 R)
• M8: 9,279,257 km (0.05 R)
• M9: 10,979,586 km (0.088 R)
• M10: 11,494,652 km (0.054 R)
• M11: 12,523,137 km (0.071 R)
• M12: 13,988,747 km (0.101 R)
• M13: 14,483,318 km (0.105 R)
• M14: 15,333,632 km (0.113 R)
• M15: 17,447,300 km (0.113 R)
• M16: 17,892,354 km (0.083 R)
• M17: 18,606,983 km (0.117 R)
• M18: 19,138,654 km (0.05 R)
• M19: 21,151,493 km (0.112 R)
• M20: 21,730,736 km (0.028 R)
• M21: 22,246,251 km (0.102 R)
• M22: 23,686,878 km (0.08 R)
• M23: 27,090,978 km (0.065 R)
• M24: 28,557,186 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.9

Radius: 13.1

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.08 AU - 4.08 AU

Year: 5793 Days

Day: 11.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,234,546 km

• M1: 163,211 km (0.063 R)
• M2: 856,747 km (0.109 R)
• M3: 1,348,774 km (0.086 R)
• M4: 2,504,418 km (0.107 R)
• M5: 3,230,416 km (0.115 R)
• M6: 3,997,853 km (0.089 R)
• M7: 4,412,688 km (0.104 R)
• M8: 7,113,828 km (0.038 R)
• M9: 8,935,481 km (0.111 R)
• M10: 10,132,114 km (0.08 R)
• M11: 11,050,346 km (0.034 R)
• M12: 13,372,554 km (0.036 R)
• M13: 15,052,239 km (0.065 R)
• M14: 15,822,368 km (0.074 R)
• M15: 24,058,629 km (0.092 R)
• M16: 25,029,369 km (0.116 R)
• M17: 26,705,314 km (0.055 R)
• M18: 27,309,091 km (0.05 R)
• M19: 29,632,197 km (0.114 R)
• M20: 30,841,845 km (0.055 R)
• M21: 31,602,401 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.8

Radius: 10.1

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.49 AU - 4.53 AU

Year: 6732 Days

Day: 8.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 39,234,546 km

• M1: 125,662 km (0.106 R)
• M2: 477,516 km (0.097 R)
• M3: 1,582,745 km (0.08 R)
• M4: 1,980,825 km (0.113 R)
• M5: 2,685,282 km (0.078 R)
• M6: 3,278,587 km (0.09 R)
• M7: 4,642,770 km (0.113 R)
• M8: 5,436,536 km (0.069 R)
• M9: 6,014,134 km (0.094 R)
• M10: 6,421,788 km (0.111 R)
• M11: 7,716,857 km (0.105 R)
• M12: 8,035,799 km (0.116 R)
• M13: 8,657,827 km (0.115 R)
• M14: 11,940,902 km (0.11 R)
• M15: 12,477,061 km (0.062 R)
• M16: 12,861,827 km (0.106 R)
• M17: 14,063,995 km (0.11 R)
• M18: 15,909,285 km (0.049 R)
• M19: 16,231,818 km (0.116 R)
• M20: 17,158,277 km (0.089 R)
• M21: 17,910,605 km (0.056 R)
• M22: 18,471,447 km (0.11 R)
• M23: 20,679,662 km (0.111 R)
• M24: 22,487,552 km (0.111 R)
• M25: 23,388,580 km (0.04 R)
• M26: 28,446,334 km (0.106 R)
• M27: 34,618,742 km (0.095 R)
• M28: 37,160,410 km (0.051 R)
• M29: 38,303,488 km (0.066 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 11,098 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit