🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.9

Radius: 9.8

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.52 AU - 0.54 AU

Year: 257 Days

Day: 11.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,608,527 km

• M1: 121,922 km (0.07 R)
• M2: 326,123 km (0.12 R)
• M3: 510,428 km (0.103 R)
• M4: 696,079 km (0.051 R)
• M5: 1,032,525 km (0.03 R)
• M6: 1,292,675 km (0.091 R)
• M7: 1,493,286 km (0.047 R)
• M8: 1,799,812 km (0.08 R)
• M9: 2,209,710 km (0.108 R)
• M10: 2,418,549 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.9

Radius: 10.1

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.83 AU - 1.35 AU

Year: 759 Days

Day: 6 Hours

Environment

Temp: -170 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,608,527 km

• M1: 126,560 km (0.104 R)
• M2: 432,487 km (0.077 R)
• M3: 623,225 km (0.097 R)
• M4: 993,180 km (0.087 R)
• M5: 1,193,492 km (0.109 R)
• M6: 1,420,881 km (0.107 R)
• M7: 1,732,493 km (0.107 R)
• M8: 1,941,481 km (0.025 R)
• M9: 2,139,848 km (0.111 R)
• M10: 2,515,638 km (0.043 R)
• M11: 2,932,866 km (0.057 R)
• M12: 3,149,334 km (0.095 R)
• M13: 3,504,181 km (0.101 R)
• M14: 3,825,517 km (0.111 R)
• M15: 4,558,247 km (0.101 R)
• M16: 4,998,065 km (0.079 R)
• M17: 5,306,984 km (0.034 R)
• M18: 6,263,214 km (0.052 R)
• M19: 6,525,459 km (0.054 R)
• M20: 6,921,744 km (0.115 R)
• M21: 7,568,605 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.9

Radius: 13.4

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.87 AU - 1.41 AU

Year: 812 Days

Day: 5.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,608,527 km

• M1: 185,651 km (0.03 R)
• M2: 446,699 km (0.104 R)
• M3: 703,708 km (0.079 R)
• M4: 1,061,098 km (0.06 R)
• M5: 1,320,500 km (0.072 R)
• M6: 1,689,110 km (0.101 R)
• M7: 1,988,604 km (0.082 R)
• M8: 2,305,602 km (0.073 R)
• M9: 2,973,856 km (0.034 R)
• M10: 3,286,516 km (0.107 R)
• M11: 3,638,819 km (0.05 R)
• M12: 4,297,797 km (0.091 R)
• M13: 5,083,036 km (0.033 R)
• M14: 6,522,467 km (0.026 R)
• M15: 6,777,532 km (0.067 R)
• M16: 7,319,674 km (0.112 R)
• M17: 8,486,089 km (0.094 R)
• M18: 8,759,255 km (0.046 R)
• M19: 9,528,487 km (0.093 R)
• M20: 9,818,258 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798

Radius: 10

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.29 AU - 1.45 AU

Year: 1069 Days

Day: 14.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,608,527 km

• M1: 134,488 km (0.12 R)
• M2: 397,930 km (0.092 R)
• M3: 653,593 km (0.106 R)
• M4: 1,108,969 km (0.067 R)
• M5: 1,508,994 km (0.086 R)
• M6: 1,949,559 km (0.113 R)
• M7: 3,353,087 km (0.097 R)
• M8: 4,062,929 km (0.101 R)
• M9: 4,960,516 km (0.056 R)
• M10: 5,459,425 km (0.1 R)
• M11: 5,741,716 km (0.119 R)
• M12: 6,378,554 km (0.089 R)
• M13: 6,632,721 km (0.11 R)
• M14: 6,909,178 km (0.081 R)
• M15: 7,155,865 km (0.114 R)
• M16: 7,388,938 km (0.025 R)
• M17: 7,959,953 km (0.098 R)
• M18: 8,552,510 km (0.115 R)
• M19: 8,906,608 km (0.094 R)
• M20: 11,005,915 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.8

Radius: 12.1

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.75 AU - 3.93 AU

Year: 4071 Days

Day: 5.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,608,527 km

• M1: 150,645 km (0.087 R)
• M2: 654,341 km (0.11 R)
• M3: 1,039,705 km (0.085 R)
• M4: 1,294,919 km (0.096 R)
• M5: 1,655,749 km (0.066 R)
• M6: 2,402,542 km (0.118 R)
• M7: 4,450,237 km (0.101 R)
• M8: 4,728,041 km (0.112 R)
• M9: 5,036,811 km (0.112 R)
• M10: 6,122,143 km (0.046 R)
• M11: 6,474,147 km (0.107 R)
• M12: 7,785,223 km (0.099 R)
• M13: 8,039,539 km (0.061 R)
• M14: 8,947,149 km (0.079 R)
• M15: 9,189,348 km (0.099 R)
• M16: 10,159,042 km (0.093 R)
• M17: 10,777,928 km (0.058 R)
• M18: 12,106,208 km (0.105 R)
• M19: 13,661,278 km (0.09 R)
• M20: 14,609,130 km (0.117 R)
• M21: 15,114,621 km (0.09 R)
• M22: 17,307,726 km (0.074 R)
• M23: 18,678,192 km (0.086 R)
• M24: 18,984,867 km (0.075 R)
• M25: 21,296,005 km (0.096 R)
• M26: 21,670,748 km (0.081 R)
• M27: 24,685,893 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.7

Radius: 13.5

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.44 AU - 4.7 AU

Year: 6515 Days

Day: 9.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,608,527 km

• M1: 220,058 km (0.071 R)
• M2: 605,423 km (0.119 R)
• M3: 959,970 km (0.097 R)
• M4: 2,114,267 km (0.098 R)
• M5: 2,374,118 km (0.111 R)
• M6: 3,084,558 km (0.073 R)
• M7: 3,847,807 km (0.094 R)
• M8: 5,583,890 km (0.086 R)
• M9: 10,987,814 km (0.039 R)
• M10: 14,429,612 km (0.093 R)
• M11: 18,397,097 km (0.082 R)
• M12: 21,330,712 km (0.106 R)
• M13: 21,943,764 km (0.103 R)
• M14: 22,281,705 km (0.11 R)
• M15: 23,485,370 km (0.075 R)
• M16: 24,423,797 km (0.046 R)
• M17: 26,664,923 km (0.104 R)
• M18: 27,413,062 km (0.082 R)
• M19: 28,235,252 km (0.082 R)
• M20: 30,708,853 km (0.065 R)
• M21: 32,598,124 km (0.056 R)
• M22: 34,262,849 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.4

Radius: 8.9

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.63 AU - 6.79 AU

Year: 9099 Days

Day: 11.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,608,527 km

• M1: 115,190 km (0.116 R)
• M2: 510,727 km (0.104 R)
• M3: 2,107,385 km (0.119 R)
• M4: 3,559,532 km (0.046 R)
• M5: 5,101,138 km (0.093 R)
• M6: 7,282,424 km (0.044 R)
• M7: 7,573,691 km (0.092 R)
• M8: 7,795,844 km (0.116 R)
• M9: 12,637,280 km (0.093 R)
• M10: 14,006,400 km (0.07 R)
• M11: 14,614,814 km (0.12 R)
• M12: 22,295,468 km (0.087 R)
• M13: 22,741,420 km (0.071 R)
• M14: 23,711,861 km (0.103 R)
• M15: 24,569,505 km (0.037 R)
• M16: 25,713,929 km (0.058 R)
• M17: 26,884,682 km (0.085 R)
• M18: 28,725,783 km (0.08 R)
• M19: 33,130,543 km (0.066 R)
• M20: 33,440,659 km (0.109 R)
• M21: 37,028,465 km (0.032 R)
• M22: 38,182,014 km (0.079 R)
• M23: 40,713,809 km (0.026 R)
• M24: 41,316,389 km (0.07 R)
• M25: 41,575,941 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.4

Radius: 4.6

Gravity: 16.65 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.08 AU - 7.92 AU

Year: 11051 Days

Day: 19.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,608,527 km

• M1: 204,799 km (0.038 R)
• M2: 339,587 km (0.109 R)
• M3: 793,318 km (0.07 R)
• M4: 1,200,523 km (0.035 R)
• M5: 1,327,083 km (0.03 R)
• M6: 2,558,273 km (0.045 R)
• M7: 3,870,845 km (0.084 R)
• M8: 4,360,778 km (0.119 R)
• M9: 5,311,472 km (0.107 R)
• M10: 7,708,030 km (0.099 R)
• M11: 8,248,527 km (0.094 R)
• M12: 9,036,310 km (0.028 R)
• M13: 13,848,275 km (0.076 R)
• M14: 14,914,309 km (0.106 R)
• M15: 21,015,509 km (0.072 R)
• M16: 33,116,630 km (0.118 R)
• M17: 35,820,462 km (0.052 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.5

Radius: 3.3

Gravity: 26.77 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.68 AU - 8.38 AU

Year: 15174 Days

Day: 20.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,608,527 km

• M1: 4,293,608 km (0.101 R)
• M2: 6,873,723 km (0.067 R)
• M3: 8,037,146 km (0.066 R)
• M4: 11,230,163 km (0.112 R)
• M5: 12,903,265 km (0.119 R)
• M6: 14,798,820 km (0.11 R)
• M7: 19,953,214 km (0.112 R)
• M8: 23,017,278 km (0.047 R)
• M9: 23,415,807 km (0.059 R)
• M10: 26,018,660 km (0.109 R)
• M11: 27,878,760 km (0.116 R)
• M12: 33,126,952 km (0.109 R)
• M13: 33,524,733 km (0.113 R)
• M14: 34,408,557 km (0.108 R)
• M15: 40,477,444 km (0.069 R)
• M16: 41,093,787 km (0.083 R)
• M17: 47,513,481 km (0.112 R)
• M18: 47,608,475 km (0.086 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: 299 - 20,026 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit