🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.1

Radius: 12.1

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.03 AU - 1.59 AU

Year: 1017 Days

Day: 7.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 165.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,514,027 km

• M1: 150,495 km (0.072 R)
• M2: 834,158 km (0.028 R)
• M3: 1,776,774 km (0.101 R)
• M4: 2,188,916 km (0.081 R)
• M5: 2,571,438 km (0.076 R)
• M6: 3,237,597 km (0.108 R)
• M7: 3,953,124 km (0.109 R)
• M8: 4,526,682 km (0.093 R)
• M9: 4,915,188 km (0.068 R)
• M10: 5,540,058 km (0.03 R)
• M11: 6,006,504 km (0.116 R)
• M12: 7,419,905 km (0.083 R)
• M13: 8,373,591 km (0.065 R)
• M14: 8,934,583 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.7

Radius: 8.8

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.32 AU - 1.98 AU

Year: 1438 Days

Day: 11.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,514,027 km

• M1: 109,655 km (0.048 R)
• M2: 429,645 km (0.081 R)
• M3: 990,637 km (0.051 R)
• M4: 1,280,109 km (0.046 R)
• M5: 1,635,703 km (0.081 R)
• M6: 2,609,735 km (0.08 R)
• M7: 3,215,905 km (0.083 R)
• M8: 5,064,935 km (0.114 R)
• M9: 5,501,910 km (0.098 R)
• M10: 5,878,000 km (0.054 R)
• M11: 6,406,080 km (0.106 R)
• M12: 6,846,347 km (0.044 R)
• M13: 7,159,006 km (0.113 R)
• M14: 7,456,257 km (0.107 R)
• M15: 8,181,657 km (0.085 R)
• M16: 8,561,785 km (0.117 R)
• M17: 9,125,021 km (0.106 R)
• M18: 9,712,791 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.2

Radius: 12.6

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.49 AU - 3.03 AU

Year: 3110 Days

Day: 8.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,514,027 km

• M1: 173,683 km (0.111 R)
• M2: 930,648 km (0.086 R)
• M3: 2,742,877 km (0.104 R)
• M4: 3,929,188 km (0.05 R)
• M5: 4,779,054 km (0.102 R)
• M6: 5,207,951 km (0.105 R)
• M7: 7,213,161 km (0.102 R)
• M8: 9,147,910 km (0.07 R)
• M9: 10,315,372 km (0.053 R)
• M10: 11,407,586 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.5

Radius: 14.8

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.29 AU - 3.81 AU

Year: 3613 Days

Day: 10.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,514,027 km

• M1: 184,155 km (0.092 R)
• M2: 846,574 km (0.069 R)
• M3: 1,732,044 km (0.094 R)
• M4: 3,050,001 km (0.106 R)
• M5: 4,548,523 km (0.088 R)
• M6: 5,021,402 km (0.105 R)
• M7: 5,505,501 km (0.117 R)
• M8: 6,043,904 km (0.072 R)
• M9: 6,568,394 km (0.112 R)
• M10: 7,123,252 km (0.039 R)
• M11: 12,952,782 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204

Radius: 11.1

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.79 AU - 3.83 AU

Year: 5044 Days

Day: 14.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,514,027 km

• M1: 142,417 km (0.106 R)
• M2: 500,405 km (0.084 R)
• M3: 848,968 km (0.078 R)
• M4: 1,260,960 km (0.095 R)
• M5: 2,086,142 km (0.064 R)
• M6: 2,508,008 km (0.029 R)
• M7: 2,889,632 km (0.065 R)
• M8: 3,732,916 km (0.092 R)
• M9: 4,381,422 km (0.097 R)
• M10: 5,175,189 km (0.111 R)
• M11: 5,982,419 km (0.101 R)
• M12: 6,361,201 km (0.098 R)
• M13: 7,409,283 km (0.036 R)
• M14: 8,467,838 km (0.098 R)
• M15: 11,950,626 km (0.096 R)
• M16: 14,580,257 km (0.112 R)
• M17: 14,971,007 km (0.105 R)
• M18: 16,030,160 km (0.083 R)
• M19: 17,300,994 km (0.036 R)
• M20: 18,240,917 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.4

Radius: 6.9

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.6 AU - 7.9 AU

Year: 11895 Days

Day: 15.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,514,027 km

• M1: 86,019 km (0.06 R)
• M2: 372,499 km (0.078 R)
• M3: 730,337 km (0.063 R)
• M4: 967,898 km (0.047 R)
• M5: 2,013,887 km (0.058 R)
• M6: 2,746,318 km (0.09 R)
• M7: 3,241,337 km (0.107 R)
• M8: 3,644,204 km (0.05 R)
• M9: 3,974,367 km (0.114 R)
• M10: 4,753,772 km (0.048 R)
• M11: 5,117,294 km (0.08 R)
• M12: 5,401,979 km (0.107 R)
• M13: 6,178,093 km (0.074 R)
• M14: 7,701,149 km (0.085 R)
• M15: 8,033,406 km (0.101 R)
• M16: 8,771,222 km (0.103 R)
• M17: 10,786,904 km (0.032 R)
• M18: 11,415,215 km (0.111 R)
• M19: 12,403,010 km (0.092 R)
• M20: 14,174,099 km (0.103 R)
• M21: 14,736,737 km (0.113 R)
• M22: 14,991,651 km (0.085 R)
• M23: 16,651,290 km (0.118 R)
• M24: 18,651,414 km (0.083 R)
• M25: 21,614,648 km (0.056 R)
• M26: 22,443,570 km (0.081 R)
• M27: 26,531,781 km (0.088 R)
• M28: 31,826,648 km (0.084 R)
• M29: 33,663,560 km (0.106 R)
• M30: 34,328,523 km (0.09 R)
• M31: 37,429,238 km (0.057 R)
• M32: 42,744,749 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.7

Radius: 5.5

Gravity: 25.74 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 7.13 AU - 7.81 AU

Year: 13848 Days

Day: 23.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,514,027 km

• M1: 68,366 km (0.064 R)
• M2: 378,782 km (0.067 R)
• M3: 720,463 km (0.072 R)
• M4: 894,894 km (0.101 R)
• M5: 1,373,608 km (0.103 R)
• M6: 1,711,250 km (0.096 R)
• M7: 2,423,336 km (0.076 R)
• M8: 2,639,954 km (0.066 R)
• M9: 3,421,453 km (0.059 R)
• M10: 3,894,481 km (0.093 R)
• M11: 4,901,724 km (0.117 R)
• M12: 8,111,346 km (0.048 R)
• M13: 8,449,737 km (0.09 R)
• M14: 10,062,850 km (0.071 R)
• M15: 10,681,438 km (0.081 R)
• M16: 10,912,566 km (0.111 R)
• M17: 11,147,136 km (0.1 R)
• M18: 11,505,123 km (0.063 R)
• M19: 12,625,163 km (0.043 R)
• M20: 13,014,117 km (0.073 R)
• M21: 14,721,478 km (0.115 R)
• M22: 15,007,808 km (0.068 R)
• M23: 15,889,239 km (0.078 R)
• M24: 24,920,612 km (0.086 R)
• M25: 32,574,787 km (0.052 R)
• M26: 32,817,285 km (0.034 R)
• M27: 34,298,304 km (0.082 R)
• M28: 36,471,662 km (0.088 R)
• M29: 40,248,559 km (0.105 R)
• M30: 41,090,496 km (0.078 R)
• M31: 41,658,220 km (0.041 R)
• M32: 45,024,920 km (0.031 R)
• M33: 47,470,995 km (0.061 R)
• M34: 49,203,039 km (0.069 R)
• M35: 50,813,909 km (0.062 R)
• M36: 60,123,833 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.1

Radius: 6.8

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.42 AU - 9.72 AU

Year: 15549 Days

Day: 17.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,514,027 km

• M1: 87,216 km (0.06 R)
• M2: 399,875 km (0.113 R)
• M3: 663,766 km (0.109 R)
• M4: 903,272 km (0.081 R)
• M5: 1,248,693 km (0.04 R)
• M6: 1,493,735 km (0.061 R)
• M7: 4,363,171 km (0.074 R)
• M8: 6,295,677 km (0.103 R)
• M9: 7,063,263 km (0.063 R)
• M10: 8,922,167 km (0.065 R)
• M11: 9,445,759 km (0.116 R)
• M12: 10,977,492 km (0.066 R)
• M13: 12,374,736 km (0.084 R)
• M14: 13,451,541 km (0.113 R)
• M15: 15,248,810 km (0.078 R)
• M16: 16,983,547 km (0.113 R)
• M17: 17,712,837 km (0.116 R)
• M18: 18,386,925 km (0.046 R)
• M19: 19,233,948 km (0.026 R)
• M20: 20,349,200 km (0.06 R)
• M21: 23,235,990 km (0.104 R)
• M22: 25,904,816 km (0.038 R)
• M23: 27,860,060 km (0.117 R)
• M24: 28,669,086 km (0.026 R)
• M25: 30,016,813 km (0.117 R)
• M26: 35,713,051 km (0.032 R)
• M27: 37,884,015 km (0.052 R)
• M28: 40,526,063 km (0.089 R)
• M29: 43,423,176 km (0.097 R)
• M30: 47,592,019 km (0.038 R)
• M31: 48,167,373 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.1

Radius: 3.4

Gravity: 35.13 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 8.23 AU - 12.53 AU

Year: 22682 Days

Day: 24.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 69,514,027 km

• M1: 42,336 km (0.029 R)
• M2: 220,956 km (0.113 R)
• M3: 365,916 km (0.119 R)
• M4: 732,730 km (0.119 R)
• M5: 1,063,940 km (0.114 R)
• M6: 1,616,854 km (0.102 R)
• M7: 1,880,744 km (0.116 R)
• M8: 2,013,438 km (0.04 R)
• M9: 2,797,031 km (0.078 R)
• M10: 2,919,851 km (0.113 R)
• M11: 3,256,596 km (0.119 R)
• M12: 3,794,400 km (0.084 R)
• M13: 4,131,594 km (0.068 R)
• M14: 4,623,173 km (0.101 R)
• M15: 4,900,826 km (0.09 R)
• M16: 6,288,795 km (0.066 R)
• M17: 6,937,601 km (0.11 R)
• M18: 7,967,882 km (0.112 R)
• M19: 9,366,622 km (0.08 R)
• M20: 11,288,207 km (0.075 R)
• M21: 12,975,820 km (0.08 R)
• M22: 13,950,600 km (0.063 R)
• M23: 17,166,505 km (0.101 R)
• M24: 21,124,416 km (0.096 R)
• M25: 22,963,722 km (0.098 R)
• M26: 23,769,157 km (0.075 R)
• M27: 26,080,594 km (0.098 R)
• M28: 30,538,760 km (0.085 R)
• M29: 31,511,894 km (0.113 R)
• M30: 36,282,869 km (0.059 R)
• M31: 36,689,626 km (0.118 R)
• M32: 37,650,343 km (0.056 R)
• M33: 44,384,491 km (0.103 R)
• M34: 48,688,273 km (0.049 R)
• M35: 51,536,018 km (0.106 R)
• M36: 56,646,580 km (0.081 R)
• M37: 63,643,572 km (0.099 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 12,437 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit