🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.3

Radius: 11

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.59 AU - 0.71 AU

Year: 349 Days

Day: 10.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,762,912 km

• M1: 136,882 km (0.119 R)
• M2: 554,410 km (0.11 R)
• M3: 998,715 km (0.038 R)
• M4: 1,496,727 km (0.107 R)
• M5: 2,341,207 km (0.12 R)
• M6: 2,981,186 km (0.04 R)
• M7: 3,697,012 km (0.082 R)
• M8: 4,566,924 km (0.099 R)
• M9: 5,261,208 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.9

Radius: 8.4

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.45 AU - 3.29 AU

Year: 3242 Days

Day: 7.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 67.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,762,912 km

• M1: 104,419 km (0.073 R)
• M2: 524,789 km (0.039 R)
• M3: 1,390,961 km (0.099 R)
• M4: 1,735,485 km (0.067 R)
• M5: 2,147,328 km (0.093 R)
• M6: 3,467,080 km (0.036 R)
• M7: 5,298,757 km (0.102 R)
• M8: 5,974,640 km (0.08 R)
• M9: 6,478,785 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.8

Radius: 9.3

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.58 AU - 4.48 AU

Year: 5395 Days

Day: 13.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,762,912 km

• M1: 169,195 km (0.029 R)
• M2: 695,032 km (0.112 R)
• M3: 1,111,512 km (0.105 R)
• M4: 1,620,295 km (0.075 R)
• M5: 1,929,513 km (0.119 R)
• M6: 2,636,363 km (0.077 R)
• M7: 3,068,103 km (0.052 R)
• M8: 3,466,781 km (0.119 R)
• M9: 3,921,259 km (0.114 R)
• M10: 5,692,349 km (0.119 R)
• M11: 8,996,517 km (0.108 R)
• M12: 10,348,433 km (0.119 R)
• M13: 12,199,407 km (0.091 R)
• M14: 17,475,874 km (0.096 R)
• M15: 18,441,378 km (0.08 R)
• M16: 23,301,215 km (0.072 R)
• M17: 24,247,870 km (0.09 R)
• M18: 24,544,223 km (0.064 R)
• M19: 25,295,953 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.4

Radius: 10.8

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.27 AU - 5.33 AU

Year: 5946 Days

Day: 14.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,762,912 km

• M1: 135,386 km (0.042 R)
• M2: 534,064 km (0.073 R)
• M3: 1,189,453 km (0.082 R)
• M4: 1,608,776 km (0.078 R)
• M5: 2,344,498 km (0.096 R)
• M6: 2,900,553 km (0.075 R)
• M7: 3,373,731 km (0.036 R)
• M8: 6,526,506 km (0.119 R)
• M9: 9,596,853 km (0.118 R)
• M10: 11,589,497 km (0.028 R)
• M11: 13,360,586 km (0.095 R)
• M12: 14,618,554 km (0.114 R)
• M13: 15,421,895 km (0.093 R)
• M14: 17,815,610 km (0.086 R)
• M15: 19,474,202 km (0.083 R)
• M16: 21,597,744 km (0.084 R)
• M17: 27,230,104 km (0.08 R)
• M18: 31,172,157 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.7

Radius: 9

Gravity: 12.3 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.84 AU - 6.38 AU

Year: 7703 Days

Day: 8.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,762,912 km

• M1: 113,246 km (0.104 R)
• M2: 424,260 km (0.098 R)
• M3: 823,387 km (0.08 R)
• M4: 1,165,966 km (0.118 R)
• M5: 1,468,303 km (0.047 R)
• M6: 1,763,011 km (0.049 R)
• M7: 2,630,080 km (0.09 R)
• M8: 3,004,075 km (0.101 R)
• M9: 3,342,615 km (0.076 R)
• M10: 3,859,625 km (0.117 R)
• M11: 5,274,073 km (0.066 R)
• M12: 5,940,831 km (0.025 R)
• M13: 6,222,823 km (0.113 R)
• M14: 6,662,640 km (0.106 R)
• M15: 8,455,272 km (0.103 R)
• M16: 9,897,395 km (0.118 R)
• M17: 12,047,416 km (0.115 R)
• M18: 14,364,986 km (0.034 R)
• M19: 15,528,857 km (0.078 R)
• M20: 17,823,988 km (0.118 R)
• M21: 18,338,305 km (0.105 R)
• M22: 18,711,851 km (0.117 R)
• M23: 20,655,876 km (0.07 R)
• M24: 21,552,565 km (0.106 R)
• M25: 21,968,597 km (0.047 R)
• M26: 25,492,375 km (0.076 R)
• M27: 26,239,616 km (0.06 R)
• M28: 26,523,702 km (0.026 R)
• M29: 35,797,424 km (0.098 R)
• M30: 40,520,079 km (0.08 R)
• M31: 44,558,025 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674

Radius: 7.5

Gravity: 11.98 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.54 AU - 6.14 AU

Year: 9411 Days

Day: 24.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,762,912 km

• M1: 93,349 km (0.093 R)
• M2: 887,115 km (0.093 R)
• M3: 1,184,815 km (0.044 R)
• M4: 1,507,797 km (0.093 R)
• M5: 1,780,514 km (0.064 R)
• M6: 2,120,251 km (0.095 R)
• M7: 2,483,624 km (0.067 R)
• M8: 2,741,531 km (0.068 R)
• M9: 3,242,384 km (0.073 R)
• M10: 4,312,757 km (0.107 R)
• M11: 4,687,350 km (0.11 R)
• M12: 7,530,607 km (0.116 R)
• M13: 10,515,534 km (0.094 R)
• M14: 11,141,750 km (0.034 R)
• M15: 11,409,830 km (0.113 R)
• M16: 14,843,849 km (0.084 R)
• M17: 18,683,727 km (0.093 R)
• M18: 21,197,719 km (0.092 R)
• M19: 23,051,536 km (0.041 R)
• M20: 23,663,242 km (0.044 R)
• M21: 24,017,789 km (0.083 R)
• M22: 26,503,507 km (0.041 R)
• M23: 27,368,781 km (0.092 R)
• M24: 28,551,651 km (0.052 R)
• M25: 33,736,713 km (0.117 R)
• M26: 36,256,091 km (0.092 R)
• M27: 42,053,308 km (0.077 R)
• M28: 44,697,001 km (0.042 R)
• M29: 45,374,979 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.1

Radius: 3.7

Gravity: 44.86 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.85 AU - 7.85 AU

Year: 10671 Days

Day: 16.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 74,762,912 km

• M1: 46,076 km (0.092 R)
• M2: 196,123 km (0.107 R)
• M3: 387,309 km (0.109 R)
• M4: 573,558 km (0.079 R)
• M5: 1,037,910 km (0.059 R)
• M6: 1,567,486 km (0.078 R)
• M7: 1,924,427 km (0.113 R)
• M8: 2,148,973 km (0.119 R)
• M9: 4,125,311 km (0.114 R)
• M10: 6,000,969 km (0.038 R)
• M11: 6,441,984 km (0.103 R)
• M12: 7,346,901 km (0.117 R)
• M13: 7,512,506 km (0.117 R)
• M14: 7,765,625 km (0.117 R)
• M15: 8,155,926 km (0.071 R)
• M16: 8,513,615 km (0.096 R)
• M17: 9,022,397 km (0.069 R)
• M18: 9,212,386 km (0.083 R)
• M19: 11,371,383 km (0.09 R)
• M20: 11,648,887 km (0.07 R)
• M21: 15,679,802 km (0.102 R)
• M22: 15,954,463 km (0.118 R)
• M23: 17,303,238 km (0.068 R)
• M24: 22,230,393 km (0.099 R)
• M25: 23,103,746 km (0.095 R)
• M26: 25,955,979 km (0.088 R)
• M27: 29,657,030 km (0.056 R)
• M28: 30,288,482 km (0.113 R)
• M29: 33,922,664 km (0.048 R)
• M30: 37,104,012 km (0.082 R)
• M31: 37,225,485 km (0.098 R)
• M32: 39,838,811 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.4

Radius: 6.9

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.19 AU - 8.67 AU

Year: 13506 Days

Day: 19.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 167.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,762,912 km

• M1: 227,688 km (0.116 R)
• M2: 551,717 km (0.055 R)
• M3: 1,098,796 km (0.06 R)
• M4: 1,574,069 km (0.103 R)
• M5: 2,231,103 km (0.076 R)
• M6: 2,907,435 km (0.103 R)
• M7: 3,864,412 km (0.091 R)
• M8: 4,180,512 km (0.057 R)
• M9: 5,233,831 km (0.067 R)
• M10: 7,052,941 km (0.075 R)
• M11: 7,688,283 km (0.119 R)
• M12: 8,189,436 km (0.112 R)
• M13: 8,712,131 km (0.102 R)
• M14: 9,118,589 km (0.042 R)
• M15: 9,349,717 km (0.112 R)
• M16: 10,066,890 km (0.103 R)
• M17: 11,610,590 km (0.047 R)
• M18: 11,992,214 km (0.105 R)
• M19: 12,495,312 km (0.097 R)
• M20: 13,246,592 km (0.105 R)
• M21: 14,398,197 km (0.115 R)
• M22: 16,215,063 km (0.109 R)
• M23: 18,694,199 km (0.044 R)
• M24: 21,660,126 km (0.107 R)
• M25: 24,036,488 km (0.104 R)
• M26: 24,478,251 km (0.11 R)
• M27: 25,196,620 km (0.096 R)
• M28: 26,300,203 km (0.083 R)
• M29: 28,801,330 km (0.093 R)
• M30: 29,601,679 km (0.091 R)
• M31: 32,305,361 km (0.113 R)
• M32: 35,853,523 km (0.115 R)
• M33: 37,840,183 km (0.05 R)
• M34: 39,530,489 km (0.118 R)
• M35: 40,022,517 km (0.063 R)
• M36: 43,843,695 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536.5

Radius: 5.4

Gravity: 18.4 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 7.9 AU - 9.44 AU

Year: 17024 Days

Day: 18.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 74,762,912 km

• M1: 77,043 km (0.05 R)
• M2: 247,285 km (0.113 R)
• M3: 1,305,690 km (0.048 R)
• M4: 2,227,363 km (0.062 R)
• M5: 2,540,471 km (0.077 R)
• M6: 3,177,608 km (0.098 R)
• M7: 3,520,038 km (0.094 R)
• M8: 4,185,748 km (0.081 R)
• M9: 5,000,758 km (0.095 R)
• M10: 5,282,600 km (0.098 R)
• M11: 5,500,863 km (0.1 R)
• M12: 6,353,422 km (0.099 R)
• M13: 9,069,221 km (0.092 R)
• M14: 10,309,836 km (0.111 R)
• M15: 11,236,894 km (0.073 R)
• M16: 11,967,830 km (0.041 R)
• M17: 12,536,451 km (0.114 R)
• M18: 12,990,929 km (0.051 R)
• M19: 13,456,478 km (0.082 R)
• M20: 14,001,912 km (0.049 R)
• M21: 14,633,215 km (0.049 R)
• M22: 15,209,915 km (0.045 R)
• M23: 15,876,822 km (0.054 R)
• M24: 16,408,792 km (0.086 R)
• M25: 20,919,467 km (0.112 R)
• M26: 21,743,602 km (0.117 R)
• M27: 23,554,484 km (0.089 R)
• M28: 24,951,279 km (0.092 R)
• M29: 25,773,918 km (0.069 R)
• M30: 29,700,114 km (0.107 R)
• M31: 30,507,195 km (0.11 R)
• M32: 36,833,838 km (0.098 R)
• M33: 40,092,080 km (0.12 R)
• M34: 45,788,019 km (0.113 R)
• M35: 46,555,157 km (0.075 R)
• M36: 51,834,316 km (0.109 R)
• M37: 60,204,466 km (0.094 R)
• M38: 60,387,873 km (0.098 R)
• M39: 61,867,995 km (0.057 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.5

Radius: 7.9

Gravity: 13.98 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.58 AU - 10.92 AU

Year: 17260 Days

Day: 17 Hours

Environment

Temp: -231 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,762,912 km

• M1: 98,435 km (0.117 R)
• M2: 381,774 km (0.119 R)
• M3: 1,551,629 km (0.109 R)
• M4: 1,900,491 km (0.115 R)
• M5: 2,279,872 km (0.056 R)
• M6: 4,260,248 km (0.102 R)
• M7: 7,131,330 km (0.072 R)
• M8: 7,557,086 km (0.029 R)
• M9: 11,986,380 km (0.108 R)
• M10: 13,780,507 km (0.12 R)
• M11: 18,856,961 km (0.057 R)
• M12: 23,678,949 km (0.047 R)
• M13: 29,987,641 km (0.119 R)
• M14: 38,326,526 km (0.11 R)
• M15: 43,723,119 km (0.081 R)
• M16: 48,254,888 km (0.078 R)
• M17: 55,808,682 km (0.08 R)
• M18: 58,809,317 km (0.112 R)
• M19: 62,311,702 km (0.089 R)
• M20: 66,363,411 km (0.114 R)
• M21: 72,765,003 km (0.049 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 17,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit