🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.6

Radius: 10.5

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.66 AU - 1.04 AU

Year: 532 Days

Day: 7.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,878,261 km

• M1: 130,599 km (0.079 R)
• M2: 468,690 km (0.112 R)
• M3: 812,915 km (0.106 R)
• M4: 1,228,348 km (0.083 R)
• M5: 2,286,454 km (0.054 R)
• M6: 2,994,351 km (0.089 R)
• M7: 3,393,628 km (0.079 R)
• M8: 3,814,746 km (0.114 R)
• M9: 4,345,070 km (0.051 R)
• M10: 4,826,775 km (0.063 R)
• M11: 6,121,844 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.2

Radius: 8.6

Gravity: 12.05 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.14 AU - 1.6 AU

Year: 1088 Days

Day: 7.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,878,261 km

• M1: 106,962 km (0.108 R)
• M2: 448,794 km (0.118 R)
• M3: 1,086,230 km (0.119 R)
• M4: 1,628,672 km (0.085 R)
• M5: 2,318,318 km (0.111 R)
• M6: 2,621,104 km (0.087 R)
• M7: 3,503,881 km (0.069 R)
• M8: 5,932,603 km (0.094 R)
• M9: 6,293,732 km (0.064 R)
• M10: 7,010,605 km (0.054 R)
• M11: 7,312,194 km (0.062 R)
• M12: 7,780,884 km (0.115 R)
• M13: 8,436,722 km (0.069 R)
• M14: 11,193,810 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712

Radius: 10.9

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.92 AU - 3 AU

Year: 2617 Days

Day: 10.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,878,261 km

• M1: 136,882 km (0.102 R)
• M2: 592,258 km (0.12 R)
• M3: 1,134,849 km (0.103 R)
• M4: 1,475,484 km (0.078 R)
• M5: 2,106,488 km (0.094 R)
• M6: 2,470,908 km (0.073 R)
• M7: 3,945,345 km (0.072 R)
• M8: 4,658,029 km (0.114 R)
• M9: 5,139,734 km (0.066 R)
• M10: 5,937,689 km (0.077 R)
• M11: 6,902,745 km (0.109 R)
• M12: 7,438,455 km (0.072 R)
• M13: 7,842,369 km (0.062 R)
• M14: 8,293,556 km (0.067 R)
• M15: 9,072,812 km (0.106 R)
• M16: 9,498,268 km (0.116 R)
• M17: 10,011,538 km (0.048 R)
• M18: 10,389,423 km (0.109 R)
• M19: 10,776,731 km (0.119 R)
• M20: 11,457,551 km (0.036 R)
• M21: 12,081,823 km (0.079 R)
• M22: 13,172,392 km (0.045 R)
• M23: 14,905,483 km (0.081 R)
• M24: 15,801,275 km (0.12 R)
• M25: 16,680,013 km (0.039 R)
• M26: 18,197,983 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.4

Radius: 13.5

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.9 AU - 2.92 AU

Year: 3367 Days

Day: 7.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 32,878,261 km

• M1: 167,849 km (0.077 R)
• M2: 1,245,103 km (0.104 R)
• M3: 2,166,327 km (0.066 R)
• M4: 3,658,416 km (0.095 R)
• M5: 4,106,013 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.5

Radius: 11.6

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.74 AU - 3.98 AU

Year: 4177 Days

Day: 8 Hours

Environment

Temp: -221 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,878,261 km

• M1: 144,212 km (0.073 R)
• M2: 697,575 km (0.118 R)
• M3: 1,079,349 km (0.11 R)
• M4: 1,664,875 km (0.113 R)
• M5: 2,123,542 km (0.105 R)
• M6: 2,700,092 km (0.115 R)
• M7: 3,203,938 km (0.115 R)
• M8: 4,644,116 km (0.074 R)
• M9: 5,371,012 km (0.08 R)
• M10: 6,023,708 km (0.06 R)
• M11: 6,508,405 km (0.069 R)
• M12: 6,986,221 km (0.086 R)
• M13: 7,764,578 km (0.114 R)
• M14: 9,860,295 km (0.073 R)
• M15: 10,492,047 km (0.113 R)
• M16: 11,466,976 km (0.115 R)
• M17: 12,023,779 km (0.119 R)
• M18: 15,751,459 km (0.08 R)
• M19: 20,187,185 km (0.109 R)
• M20: 21,344,475 km (0.06 R)
• M21: 22,689,808 km (0.073 R)
• M22: 26,419,134 km (0.091 R)
• M23: 26,902,335 km (0.118 R)
• M24: 27,555,479 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.4

Radius: 11.3

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.56 AU - 5.14 AU

Year: 6154 Days

Day: 10.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 32,878,261 km

• M1: 140,622 km (0.062 R)
• M2: 585,227 km (0.048 R)
• M3: 1,023,997 km (0.067 R)
• M4: 1,504,655 km (0.117 R)
• M5: 2,239,630 km (0.062 R)
• M6: 2,681,093 km (0.099 R)
• M7: 4,222,549 km (0.093 R)
• M8: 5,337,353 km (0.068 R)
• M9: 5,948,759 km (0.064 R)
• M10: 6,509,452 km (0.059 R)
• M11: 7,139,259 km (0.105 R)
• M12: 7,992,565 km (0.097 R)
• M13: 8,637,033 km (0.03 R)
• M14: 10,334,520 km (0.113 R)
• M15: 10,962,233 km (0.063 R)
• M16: 12,097,082 km (0.097 R)
• M17: 12,592,401 km (0.092 R)
• M18: 18,972,301 km (0.063 R)
• M19: 21,383,819 km (0.088 R)
• M20: 21,744,350 km (0.069 R)
• M21: 22,551,729 km (0.089 R)
• M22: 22,925,126 km (0.113 R)
• M23: 25,173,582 km (0.051 R)
• M24: 25,575,701 km (0.117 R)
• M25: 26,310,077 km (0.091 R)
• M26: 29,835,051 km (0.11 R)
• M27: 30,376,147 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.9

Radius: 10.9

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.8 AU - 5.36 AU

Year: 6648 Days

Day: 13.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,878,261 km

• M1: 140,472 km (0.075 R)
• M2: 621,579 km (0.067 R)
• M3: 1,143,077 km (0.048 R)
• M4: 2,722,083 km (0.061 R)
• M5: 3,856,484 km (0.119 R)
• M6: 4,663,863 km (0.12 R)
• M7: 6,179,140 km (0.058 R)
• M8: 8,802,488 km (0.105 R)
• M9: 14,268,495 km (0.098 R)
• M10: 17,802,745 km (0.049 R)
• M11: 21,425,557 km (0.081 R)
• M12: 22,189,553 km (0.119 R)
• M13: 25,597,692 km (0.111 R)
• M14: 26,544,796 km (0.114 R)
• M15: 28,876,428 km (0.093 R)
• M16: 30,568,530 km (0.032 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568

Radius: 12.3

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.75 AU - 4.87 AU

Year: 7155 Days

Day: 7.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,878,261 km

• M1: 157,377 km (0.115 R)
• M2: 545,434 km (0.108 R)
• M3: 1,150,856 km (0.101 R)
• M4: 1,897,200 km (0.07 R)
• M5: 3,443,593 km (0.074 R)
• M6: 3,924,999 km (0.1 R)
• M7: 4,530,123 km (0.098 R)
• M8: 6,588,440 km (0.091 R)
• M9: 7,079,719 km (0.09 R)
• M10: 12,299,189 km (0.095 R)
• M11: 14,806,898 km (0.103 R)
• M12: 22,573,272 km (0.028 R)
• M13: 25,270,820 km (0.096 R)
• M14: 29,473,922 km (0.063 R)
• M15: 31,592,826 km (0.092 R)
• M16: 32,387,789 km (0.095 R)
• M17: 32,790,357 km (0.106 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.3

Radius: 11.3

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.22 AU - 5.28 AU

Year: 8159 Days

Day: 5.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,878,261 km

• M1: 141,968 km (0.116 R)
• M2: 587,172 km (0.096 R)
• M3: 966,552 km (0.114 R)
• M4: 1,693,747 km (0.086 R)
• M5: 2,908,931 km (0.083 R)
• M6: 3,622,512 km (0.079 R)
• M7: 4,294,805 km (0.096 R)
• M8: 5,048,330 km (0.108 R)
• M9: 6,958,994 km (0.106 R)
• M10: 7,392,528 km (0.101 R)
• M11: 8,596,791 km (0.086 R)
• M12: 11,048,401 km (0.09 R)
• M13: 11,943,146 km (0.09 R)
• M14: 12,566,072 km (0.09 R)
• M15: 13,485,500 km (0.112 R)
• M16: 14,449,060 km (0.12 R)
• M17: 15,336,923 km (0.108 R)
• M18: 16,323,671 km (0.118 R)
• M19: 17,748,890 km (0.093 R)
• M20: 18,836,466 km (0.11 R)
• M21: 19,396,561 km (0.039 R)
• M22: 22,678,289 km (0.115 R)
• M23: 24,121,460 km (0.059 R)
• M24: 26,053,666 km (0.088 R)
• M25: 28,726,232 km (0.1 R)
• M26: 30,798,611 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193.1

Radius: 4

Gravity: 12.07 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.39 AU - 7.19 AU

Year: 10700 Days

Day: 25 Hours

Environment

Temp: -237 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,878,261 km

• M1: 50,564 km (0.104 R)
• M2: 1,386,174 km (0.079 R)
• M3: 1,685,818 km (0.096 R)
• M4: 1,836,912 km (0.081 R)
• M5: 2,362,300 km (0.087 R)
• M6: 5,481,864 km (0.082 R)
• M7: 12,978,662 km (0.07 R)
• M8: 22,574,319 km (0.094 R)
• M9: 24,788,367 km (0.1 R)
• M10: 28,642,906 km (0.105 R)
• M11: 28,913,229 km (0.083 R)
• M12: 32,681,749 km (0.091 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: 327 - 19,804 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit