🌌 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: 220.1

Radius: 8.5

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.63 AU - 0.67 AU

Year: 362 Days

Day: 10.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,564,074 km

• M1: 105,766 km (0.053 R)
• M2: 388,655 km (0.077 R)
• M3: 663,616 km (0.119 R)
• M4: 1,149,211 km (0.073 R)
• M5: 1,529,489 km (0.059 R)
• M6: 1,804,450 km (0.091 R)
• M7: 2,505,166 km (0.098 R)
• M8: 2,846,249 km (0.079 R)
• M9: 3,208,426 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.5

Radius: 8

Gravity: 13.01 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.74 AU - 0.8 AU

Year: 466 Days

Day: 10.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,564,074 km

• M1: 100,380 km (0.06 R)
• M2: 536,308 km (0.055 R)
• M3: 862,881 km (0.098 R)
• M4: 1,150,408 km (0.103 R)
• M5: 1,474,586 km (0.105 R)
• M6: 1,802,804 km (0.116 R)
• M7: 2,098,260 km (0.112 R)
• M8: 2,416,305 km (0.1 R)
• M9: 2,723,429 km (0.093 R)
• M10: 2,999,288 km (0.07 R)
• M11: 3,441,948 km (0.116 R)
• M12: 3,791,857 km (0.109 R)
• M13: 4,858,490 km (0.114 R)
• M14: 5,299,804 km (0.096 R)
• M15: 5,591,220 km (0.038 R)
• M16: 6,057,667 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.1

Radius: 12.6

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.84 AU - 0.9 AU

Year: 560 Days

Day: 7.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,564,074 km

• M1: 156,629 km (0.099 R)
• M2: 832,961 km (0.1 R)
• M3: 1,421,629 km (0.113 R)
• M4: 2,250,850 km (0.099 R)
• M5: 4,582,482 km (0.086 R)
• M6: 5,109,066 km (0.073 R)
• M7: 5,861,544 km (0.109 R)
• M8: 6,264,710 km (0.093 R)
• M9: 6,686,426 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.7

Radius: 10.3

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.05 AU - 1.43 AU

Year: 953 Days

Day: 8.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,564,074 km

• M1: 128,056 km (0.06 R)
• M2: 533,915 km (0.103 R)
• M3: 874,549 km (0.036 R)
• M4: 1,394,851 km (0.102 R)
• M5: 1,900,342 km (0.058 R)
• M6: 2,427,973 km (0.088 R)
• M7: 3,242,384 km (0.079 R)
• M8: 3,607,104 km (0.117 R)
• M9: 3,939,361 km (0.107 R)
• M10: 5,097,099 km (0.088 R)
• M11: 5,745,157 km (0.101 R)
• M12: 6,220,728 km (0.062 R)
• M13: 6,830,340 km (0.112 R)
• M14: 7,525,371 km (0.099 R)
• M15: 7,950,229 km (0.058 R)
• M16: 8,316,445 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.9

Radius: 12.1

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.87 AU - 2.39 AU

Year: 2146 Days

Day: 6.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,564,074 km

• M1: 150,495 km (0.046 R)
• M2: 551,717 km (0.1 R)
• M3: 1,241,812 km (0.074 R)
• M4: 1,630,916 km (0.098 R)
• M5: 2,275,683 km (0.11 R)
• M6: 2,810,495 km (0.114 R)
• M7: 3,618,324 km (0.12 R)
• M8: 4,058,291 km (0.118 R)
• M9: 5,693,396 km (0.053 R)
• M10: 6,447,070 km (0.104 R)
• M11: 8,687,597 km (0.107 R)
• M12: 9,345,678 km (0.08 R)
• M13: 10,394,958 km (0.071 R)
• M14: 10,873,372 km (0.067 R)
• M15: 11,366,446 km (0.078 R)
• M16: 12,275,403 km (0.089 R)
• M17: 13,794,719 km (0.081 R)
• M18: 14,418,243 km (0.095 R)
• M19: 15,913,922 km (0.11 R)
• M20: 16,451,278 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.4

Radius: 10.3

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.51 AU - 3.99 AU

Year: 4044 Days

Day: 9.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 108.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,564,074 km

• M1: 132,993 km (0.098 R)
• M2: 516,262 km (0.102 R)
• M3: 907,610 km (0.12 R)
• M4: 1,500,018 km (0.115 R)
• M5: 1,994,289 km (0.114 R)
• M6: 2,966,376 km (0.103 R)
• M7: 3,579,727 km (0.097 R)
• M8: 3,950,880 km (0.113 R)
• M9: 4,275,657 km (0.119 R)
• M10: 4,822,587 km (0.066 R)
• M11: 6,086,539 km (0.105 R)
• M12: 7,213,011 km (0.119 R)
• M13: 7,594,486 km (0.11 R)
• M14: 10,742,174 km (0.12 R)
• M15: 12,928,547 km (0.051 R)
• M16: 13,492,531 km (0.069 R)
• M17: 13,912,752 km (0.116 R)
• M18: 14,835,172 km (0.065 R)
• M19: 15,855,579 km (0.104 R)
• M20: 18,546,246 km (0.067 R)
• M21: 19,000,725 km (0.095 R)
• M22: 19,329,990 km (0.059 R)
• M23: 23,206,818 km (0.108 R)
• M24: 25,208,139 km (0.087 R)
• M25: 26,250,686 km (0.104 R)
• M26: 26,577,259 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.9

Radius: 8.2

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.18 AU - 3.46 AU

Year: 4176 Days

Day: 9 Hours

Environment

Temp: -213 °C

Axial Tilt: 70 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,564,074 km

• M1: 102,026 km (0.103 R)
• M2: 506,838 km (0.112 R)
• M3: 814,261 km (0.091 R)
• M4: 1,144,274 km (0.048 R)
• M5: 1,441,375 km (0.118 R)
• M6: 2,760,081 km (0.096 R)
• M7: 4,269,374 km (0.083 R)
• M8: 10,903,142 km (0.048 R)
• M9: 16,104,510 km (0.101 R)
• M10: 17,312,812 km (0.109 R)
• M11: 19,459,242 km (0.056 R)
• M12: 20,103,710 km (0.076 R)
• M13: 22,122,683 km (0.097 R)
• M14: 22,824,596 km (0.109 R)
• M15: 25,095,342 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.8

Radius: 5.9

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.82 AU - 8.02 AU

Year: 11228 Days

Day: 20.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,564,074 km

• M1: 73,453 km (0.036 R)
• M2: 268,229 km (0.09 R)
• M3: 768,634 km (0.1 R)
• M4: 987,795 km (0.112 R)
• M5: 1,698,833 km (0.079 R)
• M6: 1,924,726 km (0.074 R)
• M7: 2,420,045 km (0.12 R)
• M8: 2,839,667 km (0.099 R)
• M9: 3,118,068 km (0.097 R)
• M10: 3,846,909 km (0.103 R)
• M11: 4,289,420 km (0.074 R)
• M12: 4,710,837 km (0.078 R)
• M13: 4,903,669 km (0.03 R)
• M14: 5,453,740 km (0.069 R)
• M15: 6,405,033 km (0.079 R)
• M16: 7,499,192 km (0.113 R)
• M17: 7,877,375 km (0.068 R)
• M18: 8,149,643 km (0.115 R)
• M19: 8,878,484 km (0.105 R)
• M20: 9,474,781 km (0.103 R)
• M21: 10,326,292 km (0.082 R)
• M22: 10,699,539 km (0.11 R)
• M23: 12,026,472 km (0.085 R)
• M24: 13,680,875 km (0.056 R)
• M25: 15,002,422 km (0.073 R)
• M26: 17,565,483 km (0.044 R)
• M27: 20,116,575 km (0.025 R)
• M28: 21,593,405 km (0.075 R)
• M29: 25,177,621 km (0.116 R)
• M30: 29,790,621 km (0.097 R)
• M31: 30,833,916 km (0.099 R)
• M32: 31,510,248 km (0.031 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677.8

Radius: 4

Gravity: 42.36 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.8 AU - 7.28 AU

Year: 11545 Days

Day: 15.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 52,564,074 km

• M1: 50,414 km (0.044 R)
• M2: 220,058 km (0.1 R)
• M3: 398,678 km (0.116 R)
• M4: 680,371 km (0.109 R)
• M5: 880,234 km (0.118 R)
• M6: 1,265,448 km (0.087 R)
• M7: 1,510,639 km (0.102 R)
• M8: 1,971,401 km (0.076 R)
• M9: 2,320,712 km (0.097 R)
• M10: 2,520,275 km (0.105 R)
• M11: 3,385,549 km (0.106 R)
• M12: 3,940,408 km (0.079 R)
• M13: 5,194,636 km (0.089 R)
• M14: 5,821,152 km (0.073 R)
• M15: 6,040,762 km (0.054 R)
• M16: 6,190,210 km (0.115 R)
• M17: 7,692,173 km (0.08 R)
• M18: 8,882,523 km (0.06 R)
• M19: 9,521,306 km (0.117 R)
• M20: 10,137,799 km (0.117 R)
• M21: 11,111,681 km (0.044 R)
• M22: 11,449,623 km (0.068 R)
• M23: 12,384,609 km (0.036 R)
• M24: 15,914,969 km (0.052 R)
• M25: 17,908,212 km (0.094 R)
• M26: 19,896,666 km (0.116 R)
• M27: 22,920,787 km (0.104 R)
• M28: 26,735,982 km (0.118 R)
• M29: 27,038,020 km (0.114 R)
• M30: 27,444,328 km (0.048 R)
• M31: 28,687,785 km (0.075 R)
• M32: 31,398,050 km (0.107 R)
• M33: 32,300,125 km (0.077 R)
• M34: 35,351,024 km (0.109 R)
• M35: 41,477,655 km (0.11 R)
• M36: 42,153,838 km (0.038 R)
• M37: 42,974,980 km (0.085 R)
• M38: 51,780,311 km (0.038 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: 360 - 16,212 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit