🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450

Radius: 9.1

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.62 AU - 0.72 AU

Year: 385 Days

Day: 6.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,580,607 km

• M1: 119,828 km (0.115 R)
• M2: 447,298 km (0.088 R)
• M3: 831,914 km (0.107 R)
• M4: 1,235,529 km (0.096 R)
• M5: 1,572,722 km (0.04 R)
• M6: 1,867,430 km (0.096 R)
• M7: 2,175,003 km (0.108 R)
• M8: 2,738,688 km (0.036 R)
• M9: 3,065,709 km (0.096 R)
• M10: 3,870,995 km (0.112 R)
• M11: 4,156,128 km (0.087 R)
• M12: 4,658,178 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.3

Radius: 9.7

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.71 AU - 0.79 AU

Year: 457 Days

Day: 13.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,580,607 km

• M1: 120,576 km (0.095 R)
• M2: 493,523 km (0.106 R)
• M3: 879,785 km (0.045 R)
• M4: 1,222,364 km (0.12 R)
• M5: 1,750,145 km (0.092 R)
• M6: 2,223,324 km (0.119 R)
• M7: 2,597,917 km (0.084 R)
• M8: 3,058,678 km (0.097 R)
• M9: 3,487,725 km (0.114 R)
• M10: 3,996,507 km (0.052 R)
• M11: 4,381,572 km (0.089 R)
• M12: 4,746,142 km (0.106 R)
• M13: 5,068,077 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.9

Radius: 13.8

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.89 AU - 1.35 AU

Year: 833 Days

Day: 7.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,580,607 km

• M1: 171,589 km (0.114 R)
• M2: 1,004,699 km (0.075 R)
• M3: 1,490,892 km (0.078 R)
• M4: 1,923,081 km (0.104 R)
• M5: 2,904,592 km (0.048 R)
• M6: 3,387,345 km (0.036 R)
• M7: 3,835,390 km (0.081 R)
• M8: 5,388,216 km (0.064 R)
• M9: 6,002,764 km (0.041 R)
• M10: 6,578,566 km (0.095 R)
• M11: 7,101,411 km (0.065 R)
• M12: 7,581,470 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.9

Radius: 13.7

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.04 AU - 1.7 AU

Year: 1127 Days

Day: 11 Hours

Environment

Temp: -180 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,580,607 km

• M1: 170,392 km (0.078 R)
• M2: 722,109 km (0.041 R)
• M3: 1,324,390 km (0.082 R)
• M4: 2,347,789 km (0.12 R)
• M5: 3,298,334 km (0.12 R)
• M6: 4,048,118 km (0.054 R)
• M7: 4,948,398 km (0.071 R)
• M8: 5,584,189 km (0.064 R)
• M9: 6,204,871 km (0.102 R)
• M10: 7,095,427 km (0.105 R)
• M11: 7,717,455 km (0.05 R)
• M12: 8,689,991 km (0.099 R)
• M13: 9,131,005 km (0.105 R)
• M14: 11,813,445 km (0.036 R)
• M15: 12,319,085 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981

Radius: 12.8

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.64 AU - 2.26 AU

Year: 1914 Days

Day: 14.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,580,607 km

• M1: 159,172 km (0.116 R)
• M2: 821,891 km (0.077 R)
• M3: 1,247,048 km (0.032 R)
• M4: 2,005,659 km (0.104 R)
• M5: 2,777,135 km (0.092 R)
• M6: 3,575,688 km (0.092 R)
• M7: 4,357,038 km (0.098 R)
• M8: 4,778,006 km (0.047 R)
• M9: 5,800,957 km (0.081 R)
• M10: 6,233,444 km (0.107 R)
• M11: 7,078,074 km (0.074 R)
• M12: 8,342,176 km (0.114 R)
• M13: 9,265,344 km (0.111 R)
• M14: 10,550,839 km (0.105 R)
• M15: 12,655,082 km (0.107 R)
• M16: 13,211,287 km (0.12 R)
• M17: 13,873,407 km (0.066 R)
• M18: 14,696,944 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.1

Radius: 14.5

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.01 AU - 3.29 AU

Year: 3032 Days

Day: 10.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,580,607 km

• M1: 180,265 km (0.096 R)
• M2: 637,437 km (0.027 R)
• M3: 1,222,663 km (0.096 R)
• M4: 1,887,626 km (0.118 R)
• M5: 3,054,190 km (0.116 R)
• M6: 4,751,677 km (0.074 R)
• M7: 5,438,780 km (0.101 R)
• M8: 7,675,717 km (0.106 R)
• M9: 9,348,670 km (0.089 R)
• M10: 10,152,759 km (0.097 R)
• M11: 11,253,799 km (0.066 R)
• M12: 12,164,102 km (0.079 R)
• M13: 12,660,169 km (0.102 R)
• M14: 13,453,486 km (0.083 R)
• M15: 15,088,292 km (0.095 R)
• M16: 15,556,234 km (0.11 R)
• M17: 17,526,139 km (0.092 R)
• M18: 17,985,703 km (0.102 R)
• M19: 18,453,197 km (0.065 R)
• M20: 19,842,662 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.9

Radius: 11.1

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.84 AU - 4.26 AU

Year: 4702 Days

Day: 13 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,580,607 km

• M1: 138,827 km (0.067 R)
• M2: 535,112 km (0.055 R)
• M3: 941,120 km (0.054 R)
• M4: 1,326,484 km (0.109 R)
• M5: 1,871,619 km (0.115 R)
• M6: 2,398,802 km (0.089 R)
• M7: 4,044,678 km (0.063 R)
• M8: 4,984,601 km (0.028 R)
• M9: 6,436,000 km (0.108 R)
• M10: 7,750,366 km (0.106 R)
• M11: 10,196,441 km (0.083 R)
• M12: 11,130,530 km (0.088 R)
• M13: 12,217,957 km (0.106 R)
• M14: 13,530,978 km (0.06 R)
• M15: 14,113,961 km (0.109 R)
• M16: 14,713,549 km (0.069 R)
• M17: 15,273,344 km (0.061 R)
• M18: 16,198,607 km (0.027 R)
• M19: 16,735,215 km (0.084 R)
• M20: 17,907,164 km (0.094 R)
• M21: 18,545,498 km (0.056 R)
• M22: 22,331,222 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.4

Radius: 10

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.81 AU - 4.65 AU

Year: 5064 Days

Day: 11.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,580,607 km

• M1: 127,158 km (0.085 R)
• M2: 1,213,388 km (0.074 R)
• M3: 1,766,152 km (0.06 R)
• M4: 2,115,912 km (0.09 R)
• M5: 3,030,853 km (0.084 R)
• M6: 4,236,462 km (0.103 R)
• M7: 5,707,907 km (0.081 R)
• M8: 6,327,691 km (0.049 R)
• M9: 6,991,905 km (0.116 R)
• M10: 8,496,261 km (0.108 R)
• M11: 11,480,889 km (0.114 R)
• M12: 13,359,389 km (0.103 R)
• M13: 14,345,089 km (0.104 R)
• M14: 15,546,211 km (0.102 R)
• M15: 16,056,489 km (0.094 R)
• M16: 19,161,692 km (0.071 R)
• M17: 19,880,360 km (0.102 R)
• M18: 20,957,764 km (0.046 R)
• M19: 21,302,288 km (0.11 R)
• M20: 26,371,561 km (0.092 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910

Radius: 12.1

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.4 AU - 6.36 AU

Year: 8772 Days

Day: 13.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,580,607 km

• M1: 150,495 km (0.088 R)
• M2: 635,492 km (0.109 R)
• M3: 1,683,724 km (0.078 R)
• M4: 2,232,000 km (0.073 R)
• M5: 2,812,590 km (0.096 R)
• M6: 3,207,977 km (0.038 R)
• M7: 4,004,137 km (0.108 R)
• M8: 4,744,496 km (0.102 R)
• M9: 5,147,812 km (0.063 R)
• M10: 7,479,894 km (0.115 R)
• M11: 8,786,033 km (0.113 R)
• M12: 9,253,526 km (0.052 R)
• M13: 15,621,608 km (0.06 R)
• M14: 17,160,671 km (0.057 R)
• M15: 17,670,949 km (0.097 R)
• M16: 19,184,730 km (0.113 R)
• M17: 19,734,652 km (0.085 R)
• M18: 22,125,076 km (0.06 R)
• M19: 22,904,631 km (0.094 R)
• M20: 24,702,648 km (0.064 R)
• M21: 25,166,401 km (0.096 R)
• M22: 25,636,138 km (0.09 R)
• M23: 28,173,169 km (0.1 R)
• M24: 35,240,022 km (0.089 R)
• M25: 37,999,505 km (0.097 R)
• M26: 40,002,171 km (0.112 R)
• M27: 40,900,058 km (0.049 R)
• M28: 42,869,364 km (0.059 R)
• M29: 43,945,123 km (0.061 R)
• M30: 46,150,494 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.4

Radius: 7.5

Gravity: 10.6 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 5.39 AU - 7.33 AU

Year: 11274 Days

Day: 15.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,580,607 km

• M1: 108,159 km (0.117 R)
• M2: 372,349 km (0.12 R)
• M3: 857,196 km (0.083 R)
• M4: 1,133,653 km (0.117 R)
• M5: 1,416,093 km (0.09 R)
• M6: 1,823,598 km (0.074 R)
• M7: 2,640,851 km (0.116 R)
• M8: 2,983,879 km (0.053 R)
• M9: 3,380,762 km (0.054 R)
• M10: 3,733,514 km (0.052 R)
• M11: 4,693,633 km (0.102 R)
• M12: 4,941,666 km (0.094 R)
• M13: 6,095,515 km (0.035 R)
• M14: 6,971,560 km (0.108 R)
• M15: 8,148,446 km (0.106 R)
• M16: 8,924,411 km (0.084 R)
• M17: 10,517,478 km (0.091 R)
• M18: 16,421,059 km (0.069 R)
• M19: 18,410,860 km (0.112 R)
• M20: 19,108,286 km (0.107 R)
• M21: 20,555,944 km (0.115 R)
• M22: 24,307,560 km (0.049 R)
• M23: 24,958,610 km (0.112 R)
• M24: 27,080,655 km (0.066 R)
• M25: 31,460,283 km (0.12 R)
• M26: 32,122,253 km (0.111 R)
• M27: 32,456,604 km (0.082 R)
• M28: 36,289,900 km (0.028 R)
• M29: 44,702,537 km (0.1 R)
• M30: 48,842,059 km (0.112 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 17,221 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit