🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.1

Radius: 9.4

Gravity: 10.39 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.47 AU - 0.69 AU

Year: 305 Days

Day: 8.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,700,206 km

• M1: 116,986 km (0.097 R)
• M2: 558,150 km (0.096 R)
• M3: 863,180 km (0.098 R)
• M4: 1,205,759 km (0.07 R)
• M5: 1,572,722 km (0.102 R)
• M6: 1,868,328 km (0.106 R)
• M7: 2,400,447 km (0.092 R)
• M8: 2,766,214 km (0.114 R)
• M9: 3,147,539 km (0.099 R)
• M10: 3,552,201 km (0.12 R)
• M11: 4,317,245 km (0.052 R)
• M12: 5,157,835 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.7

Radius: 10

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.61 AU - 0.67 AU

Year: 353 Days

Day: 13.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,700,206 km

• M1: 125,064 km (0.105 R)
• M2: 534,364 km (0.073 R)
• M3: 1,006,794 km (0.059 R)
• M4: 1,657,096 km (0.084 R)
• M5: 2,011,792 km (0.118 R)
• M6: 2,707,273 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.8

Radius: 10.1

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.9 AU - 2.34 AU

Year: 2131 Days

Day: 13.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,700,206 km

• M1: 132,843 km (0.104 R)
• M2: 507,286 km (0.064 R)
• M3: 963,560 km (0.101 R)
• M4: 1,392,307 km (0.044 R)
• M5: 2,270,297 km (0.081 R)
• M6: 4,606,418 km (0.1 R)
• M7: 5,770,139 km (0.093 R)
• M8: 6,296,724 km (0.095 R)
• M9: 6,674,010 km (0.106 R)
• M10: 7,501,585 km (0.117 R)
• M11: 8,276,951 km (0.096 R)
• M12: 9,490,040 km (0.093 R)
• M13: 9,953,195 km (0.064 R)
• M14: 11,807,012 km (0.1 R)
• M15: 12,188,337 km (0.076 R)
• M16: 13,712,889 km (0.108 R)
• M17: 14,348,381 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.5

Radius: 10.1

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.07 AU - 2.31 AU

Year: 2237 Days

Day: 9.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,700,206 km

• M1: 126,709 km (0.075 R)
• M2: 1,004,849 km (0.062 R)
• M3: 1,405,472 km (0.084 R)
• M4: 1,924,277 km (0.098 R)
• M5: 2,495,292 km (0.096 R)
• M6: 2,915,214 km (0.113 R)
• M7: 3,615,481 km (0.12 R)
• M8: 4,551,964 km (0.118 R)
• M9: 5,135,396 km (0.093 R)
• M10: 5,818,759 km (0.064 R)
• M11: 6,397,254 km (0.109 R)
• M12: 6,898,855 km (0.12 R)
• M13: 9,665,967 km (0.081 R)
• M14: 10,066,441 km (0.085 R)
• M15: 10,707,168 km (0.11 R)
• M16: 11,657,713 km (0.08 R)
• M17: 12,322,077 km (0.063 R)
• M18: 14,895,610 km (0.07 R)
• M19: 17,970,743 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.2

Radius: 10.1

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.05 AU - 3.21 AU

Year: 2944 Days

Day: 9.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,700,206 km

• M1: 140,921 km (0.08 R)
• M2: 466,297 km (0.068 R)
• M3: 1,300,305 km (0.052 R)
• M4: 1,700,030 km (0.05 R)
• M5: 2,126,534 km (0.057 R)
• M6: 2,730,161 km (0.113 R)
• M7: 3,559,831 km (0.088 R)
• M8: 4,147,751 km (0.091 R)
• M9: 5,344,384 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476

Radius: 15

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.99 AU - 4.51 AU

Year: 6048 Days

Day: 6.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,700,206 km

• M1: 186,848 km (0.053 R)
• M2: 680,970 km (0.079 R)
• M3: 1,310,926 km (0.054 R)
• M4: 1,949,111 km (0.085 R)
• M5: 2,503,072 km (0.112 R)
• M6: 3,181,648 km (0.081 R)
• M7: 4,553,011 km (0.072 R)
• M8: 6,104,640 km (0.062 R)
• M9: 7,986,282 km (0.046 R)
• M10: 9,508,291 km (0.108 R)
• M11: 10,316,568 km (0.068 R)
• M12: 11,309,449 km (0.084 R)
• M13: 12,613,793 km (0.097 R)
• M14: 15,291,595 km (0.102 R)
• M15: 16,642,614 km (0.098 R)
• M16: 18,652,910 km (0.075 R)
• M17: 20,961,504 km (0.119 R)
• M18: 22,111,463 km (0.091 R)
• M19: 24,537,043 km (0.107 R)
• M20: 25,170,141 km (0.077 R)
• M21: 27,472,452 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.6

Radius: 9.2

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.56 AU - 5.1 AU

Year: 6219 Days

Day: 7 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,700,206 km

• M1: 125,961 km (0.112 R)
• M2: 449,841 km (0.076 R)
• M3: 850,763 km (0.094 R)
• M4: 1,139,786 km (0.111 R)
• M5: 1,477,279 km (0.112 R)
• M6: 2,232,748 km (0.119 R)
• M7: 2,915,812 km (0.047 R)
• M8: 3,290,256 km (0.084 R)
• M9: 4,428,695 km (0.103 R)
• M10: 4,968,295 km (0.116 R)
• M11: 7,925,396 km (0.104 R)
• M12: 8,658,126 km (0.072 R)
• M13: 10,578,963 km (0.059 R)
• M14: 13,097,892 km (0.114 R)
• M15: 14,429,612 km (0.087 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.6

Radius: 8.9

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 4.17 AU - 5.13 AU

Year: 6921 Days

Day: 9.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,700,206 km

• M1: 110,702 km (0.086 R)
• M2: 394,639 km (0.077 R)
• M3: 687,402 km (0.078 R)
• M4: 1,133,204 km (0.109 R)
• M5: 1,569,132 km (0.051 R)
• M6: 2,843,108 km (0.081 R)
• M7: 3,845,862 km (0.119 R)
• M8: 4,679,272 km (0.079 R)
• M9: 5,021,103 km (0.051 R)
• M10: 5,653,603 km (0.088 R)
• M11: 6,015,480 km (0.104 R)
• M12: 7,436,211 km (0.116 R)
• M13: 8,964,353 km (0.103 R)
• M14: 11,819,728 km (0.063 R)
• M15: 12,156,173 km (0.051 R)
• M16: 13,982,464 km (0.055 R)
• M17: 16,657,274 km (0.101 R)
• M18: 18,846,340 km (0.098 R)
• M19: 19,248,160 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.5

Radius: 4.2

Gravity: 35.23 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.25 AU - 8.53 AU

Year: 12484 Days

Day: 19 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 60,700,206 km

• M1: 53,257 km (0.083 R)
• M2: 212,728 km (0.118 R)
• M3: 586,424 km (0.085 R)
• M4: 872,006 km (0.105 R)
• M5: 1,133,802 km (0.111 R)
• M6: 1,607,429 km (0.082 R)
• M7: 1,983,668 km (0.118 R)
• M8: 2,127,581 km (0.109 R)
• M9: 2,376,512 km (0.095 R)
• M10: 2,863,902 km (0.098 R)
• M11: 3,167,436 km (0.082 R)
• M12: 4,884,969 km (0.074 R)
• M13: 5,182,070 km (0.074 R)
• M14: 5,456,283 km (0.082 R)
• M15: 5,959,231 km (0.114 R)
• M16: 6,146,079 km (0.069 R)
• M17: 6,298,370 km (0.066 R)
• M18: 7,609,445 km (0.101 R)
• M19: 9,092,259 km (0.08 R)
• M20: 9,797,763 km (0.099 R)
• M21: 10,593,324 km (0.084 R)
• M22: 12,132,238 km (0.106 R)
• M23: 13,174,037 km (0.066 R)
• M24: 14,676,748 km (0.099 R)
• M25: 15,155,760 km (0.098 R)
• M26: 19,780,728 km (0.093 R)
• M27: 21,046,775 km (0.063 R)
• M28: 25,754,769 km (0.094 R)
• M29: 28,194,561 km (0.097 R)
• M30: 28,827,809 km (0.102 R)
• M31: 30,013,073 km (0.041 R)
• M32: 32,711,370 km (0.088 R)
• M33: 37,942,209 km (0.048 R)
• M34: 38,713,835 km (0.071 R)
• M35: 41,632,040 km (0.052 R)
• M36: 43,563,648 km (0.117 R)
• M37: 44,693,710 km (0.109 R)
• M38: 44,979,293 km (0.079 R)
• M39: 45,554,048 km (0.107 R)
• M40: 51,730,345 km (0.087 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 410

Radius: 3.1

Gravity: 42.66 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 7.73 AU - 10.13 AU

Year: 18420 Days

Day: 24.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 60,700,206 km

• M1: 38,596 km (0.104 R)
• M2: 363,672 km (0.103 R)
• M3: 887,714 km (0.064 R)
• M4: 1,167,462 km (0.118 R)
• M5: 1,370,167 km (0.064 R)
• M6: 3,340,969 km (0.113 R)
• M7: 3,446,585 km (0.039 R)
• M8: 3,834,193 km (0.094 R)
• M9: 4,963,209 km (0.077 R)
• M10: 5,603,338 km (0.072 R)
• M11: 7,530,607 km (0.118 R)
• M12: 8,568,068 km (0.111 R)
• M13: 10,021,412 km (0.102 R)
• M14: 11,213,707 km (0.045 R)
• M15: 11,631,234 km (0.087 R)
• M16: 11,752,409 km (0.047 R)
• M17: 12,183,101 km (0.102 R)
• M18: 14,148,967 km (0.098 R)
• M19: 18,120,491 km (0.117 R)
• M20: 18,694,797 km (0.102 R)
• M21: 19,451,164 km (0.092 R)
• M22: 19,879,911 km (0.117 R)
• M23: 22,586,137 km (0.119 R)
• M24: 23,831,390 km (0.083 R)
• M25: 26,667,616 km (0.112 R)
• M26: 28,936,567 km (0.103 R)
• M27: 30,060,795 km (0.082 R)
• M28: 30,174,788 km (0.114 R)
• M29: 30,518,564 km (0.078 R)
• M30: 31,213,895 km (0.112 R)
• M31: 33,730,729 km (0.117 R)
• M32: 34,598,846 km (0.083 R)
• M33: 34,724,059 km (0.073 R)
• M34: 38,086,870 km (0.072 R)
• M35: 46,967,598 km (0.115 R)
• M36: 47,583,792 km (0.036 R)
• M37: 50,423,159 km (0.101 R)
• M38: 51,394,199 km (0.119 R)
• M39: 52,048,390 km (0.092 R)
• M40: 56,436,545 km (0.097 R)
• M41: 58,720,306 km (0.101 R)
• M42: 60,700,234 km (0.079 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 13,569 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit