🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.45 AU - 0.57 AU

Year: 232 Days

Day: 44.6 Hours

Environment

Temp: -118 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754

Radius: 12.6

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.84 AU - 0.9 AU

Year: 516 Days

Day: 6.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,062,405 km

• M1: 157,227 km (0.105 R)
• M2: 611,855 km (0.104 R)
• M3: 1,072,168 km (0.114 R)
• M4: 1,464,414 km (0.095 R)
• M5: 1,905,428 km (0.059 R)
• M6: 2,525,362 km (0.096 R)
• M7: 3,562,673 km (0.066 R)
• M8: 4,375,289 km (0.119 R)
• M9: 5,444,166 km (0.101 R)
• M10: 5,921,383 km (0.09 R)
• M11: 6,581,558 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.8

Radius: 13

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.92 AU - 1.5 AU

Year: 846 Days

Day: 8.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,062,405 km

• M1: 161,715 km (0.04 R)
• M2: 590,912 km (0.11 R)
• M3: 1,061,696 km (0.12 R)
• M4: 1,855,462 km (0.118 R)
• M5: 2,365,890 km (0.077 R)
• M6: 2,834,580 km (0.078 R)
• M7: 3,315,538 km (0.097 R)
• M8: 4,161,962 km (0.085 R)
• M9: 4,691,688 km (0.099 R)
• M10: 5,850,474 km (0.1 R)
• M11: 6,736,991 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.4

Radius: 10

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.77 AU - 2.73 AU

Year: 2146 Days

Day: 10 Hours

Environment

Temp: -192 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,062,405 km

• M1: 124,914 km (0.036 R)
• M2: 443,558 km (0.081 R)
• M3: 974,331 km (0.089 R)
• M4: 1,326,634 km (0.115 R)
• M5: 1,721,423 km (0.118 R)
• M6: 2,233,047 km (0.084 R)
• M7: 2,828,297 km (0.107 R)
• M8: 3,653,180 km (0.065 R)
• M9: 4,253,067 km (0.075 R)
• M10: 4,827,822 km (0.098 R)
• M11: 5,453,740 km (0.103 R)
• M12: 6,132,765 km (0.115 R)
• M13: 6,754,793 km (0.087 R)
• M14: 7,299,778 km (0.097 R)
• M15: 7,781,333 km (0.059 R)
• M16: 9,146,863 km (0.073 R)
• M17: 10,364,290 km (0.096 R)
• M18: 11,168,379 km (0.086 R)
• M19: 11,525,469 km (0.099 R)
• M20: 12,472,722 km (0.078 R)
• M21: 15,043,412 km (0.079 R)
• M22: 16,734,616 km (0.077 R)
• M23: 17,097,989 km (0.074 R)
• M24: 17,679,626 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.2

Radius: 12.8

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.45 AU - 3.39 AU

Year: 3173 Days

Day: 11 Hours

Environment

Temp: -210 °C

Axial Tilt: 121.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,062,405 km

• M1: 159,172 km (0.094 R)
• M2: 587,620 km (0.113 R)
• M3: 1,028,934 km (0.093 R)
• M4: 1,451,249 km (0.073 R)
• M5: 2,069,986 km (0.047 R)
• M6: 2,761,726 km (0.082 R)
• M7: 3,790,511 km (0.054 R)
• M8: 5,231,438 km (0.115 R)
• M9: 6,444,227 km (0.052 R)
• M10: 7,443,242 km (0.034 R)
• M11: 8,422,061 km (0.056 R)
• M12: 8,911,695 km (0.062 R)
• M13: 10,219,180 km (0.05 R)
• M14: 11,063,062 km (0.069 R)
• M15: 13,131,252 km (0.119 R)
• M16: 13,832,567 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.3

Radius: 9.7

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.16 AU - 3.52 AU

Year: 3881 Days

Day: 14.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,062,405 km

• M1: 120,725 km (0.069 R)
• M2: 876,195 km (0.093 R)
• M3: 1,197,531 km (0.114 R)
• M4: 1,858,754 km (0.08 R)
• M5: 2,729,862 km (0.071 R)
• M6: 3,639,267 km (0.099 R)
• M7: 4,209,983 km (0.113 R)
• M8: 4,639,180 km (0.056 R)
• M9: 5,698,482 km (0.086 R)
• M10: 7,613,634 km (0.073 R)
• M11: 9,677,785 km (0.089 R)
• M12: 11,670,279 km (0.109 R)
• M13: 13,359,090 km (0.055 R)
• M14: 14,822,905 km (0.108 R)
• M15: 15,762,380 km (0.098 R)
• M16: 16,103,164 km (0.102 R)
• M17: 16,565,271 km (0.06 R)
• M18: 17,036,206 km (0.103 R)
• M19: 18,252,735 km (0.046 R)
• M20: 20,926,049 km (0.046 R)
• M21: 21,338,042 km (0.077 R)
• M22: 24,224,383 km (0.033 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.9

Radius: 8.4

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.49 AU - 4.65 AU

Year: 5221 Days

Day: 9 Hours

Environment

Temp: -206 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,062,405 km

• M1: 104,569 km (0.087 R)
• M2: 392,694 km (0.094 R)
• M3: 1,015,171 km (0.062 R)
• M4: 1,380,639 km (0.1 R)
• M5: 2,894,420 km (0.1 R)
• M6: 4,788,478 km (0.113 R)
• M7: 5,770,887 km (0.081 R)
• M8: 7,100,962 km (0.054 R)
• M9: 10,395,406 km (0.032 R)
• M10: 12,768,477 km (0.104 R)
• M11: 14,743,917 km (0.086 R)
• M12: 18,676,845 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.7

Radius: 3.1

Gravity: 18.6 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 6.76 AU - 6.9 AU

Year: 11349 Days

Day: 22.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,062,405 km

• M1: 46,824 km (0.113 R)
• M2: 220,058 km (0.081 R)
• M3: 355,744 km (0.112 R)
• M4: 858,841 km (0.037 R)
• M5: 1,039,705 km (0.104 R)
• M6: 1,191,697 km (0.096 R)
• M7: 1,405,322 km (0.111 R)
• M8: 1,967,810 km (0.083 R)
• M9: 2,722,083 km (0.098 R)
• M10: 2,971,612 km (0.097 R)
• M11: 3,132,729 km (0.067 R)
• M12: 3,278,437 km (0.068 R)
• M13: 4,910,251 km (0.1 R)
• M14: 5,164,118 km (0.099 R)
• M15: 7,630,838 km (0.099 R)
• M16: 8,723,201 km (0.098 R)
• M17: 10,049,536 km (0.067 R)
• M18: 10,184,623 km (0.061 R)
• M19: 13,581,243 km (0.1 R)
• M20: 15,592,436 km (0.12 R)
• M21: 15,894,923 km (0.087 R)
• M22: 17,991,089 km (0.12 R)
• M23: 18,593,071 km (0.094 R)
• M24: 20,192,571 km (0.072 R)
• M25: 22,032,625 km (0.068 R)
• M26: 24,710,127 km (0.108 R)
• M27: 29,395,234 km (0.102 R)
• M28: 31,366,335 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.7

Radius: 7.5

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 8.69 AU - 9.61 AU

Year: 17598 Days

Day: 23.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 63,062,405 km

• M1: 93,349 km (0.073 R)
• M2: 327,769 km (0.047 R)
• M3: 597,045 km (0.073 R)
• M4: 1,053,767 km (0.088 R)
• M5: 1,726,359 km (0.116 R)
• M6: 2,590,138 km (0.048 R)
• M7: 3,548,461 km (0.115 R)
• M8: 4,433,183 km (0.118 R)
• M9: 4,927,155 km (0.1 R)
• M10: 5,420,679 km (0.103 R)
• M11: 6,182,581 km (0.095 R)
• M12: 7,100,813 km (0.119 R)
• M13: 9,205,056 km (0.038 R)
• M14: 9,627,969 km (0.11 R)
• M15: 11,151,624 km (0.045 R)
• M16: 12,506,831 km (0.095 R)
• M17: 13,559,102 km (0.102 R)
• M18: 13,899,587 km (0.071 R)
• M19: 14,811,984 km (0.052 R)
• M20: 18,032,527 km (0.107 R)
• M21: 21,784,442 km (0.088 R)
• M22: 22,821,604 km (0.062 R)
• M23: 24,188,929 km (0.061 R)
• M24: 24,488,872 km (0.11 R)
• M25: 26,871,518 km (0.12 R)
• M26: 29,178,017 km (0.053 R)
• M27: 31,257,577 km (0.107 R)
• M28: 31,732,700 km (0.066 R)
• M29: 33,187,240 km (0.029 R)
• M30: 34,812,472 km (0.099 R)
• M31: 38,900,832 km (0.062 R)
• M32: 40,706,628 km (0.115 R)
• M33: 41,558,588 km (0.086 R)
• M34: 51,399,285 km (0.119 R)
• M35: 53,064,908 km (0.086 R)
• M36: 54,252,117 km (0.056 R)
• M37: 54,594,546 km (0.025 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 18,121 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit