🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.5

Radius: 13.6

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.66 AU - 0.9 AU

Year: 445 Days

Day: 14.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 76,882,718 km

• M1: 173,234 km (0.094 R)
• M2: 849,566 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.7

Radius: 10.9

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.78 AU - 1.14 AU

Year: 607 Days

Day: 9.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,882,718 km

• M1: 135,536 km (0.111 R)
• M2: 510,877 km (0.054 R)
• M3: 989,740 km (0.104 R)
• M4: 1,383,780 km (0.108 R)
• M5: 1,860,549 km (0.059 R)
• M6: 2,264,164 km (0.11 R)
• M7: 3,273,650 km (0.072 R)
• M8: 3,616,828 km (0.086 R)
• M9: 4,265,634 km (0.08 R)
• M10: 4,794,462 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.9

Radius: 12.1

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.94 AU - 1 AU

Year: 617 Days

Day: 10.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,882,718 km

• M1: 150,495 km (0.113 R)
• M2: 583,731 km (0.059 R)
• M3: 1,147,416 km (0.096 R)
• M4: 1,639,593 km (0.032 R)
• M5: 2,072,080 km (0.117 R)
• M6: 2,591,783 km (0.097 R)
• M7: 3,363,559 km (0.118 R)
• M8: 4,041,985 km (0.117 R)
• M9: 4,727,293 km (0.066 R)
• M10: 5,561,750 km (0.057 R)
• M11: 6,698,245 km (0.106 R)
• M12: 7,705,188 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.5

Radius: 12.5

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.58 AU - 4.54 AU

Year: 5282 Days

Day: 6.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 76,882,718 km

• M1: 155,432 km (0.098 R)
• M2: 756,367 km (0.099 R)
• M3: 1,178,382 km (0.068 R)
• M4: 1,814,921 km (0.06 R)
• M5: 2,654,913 km (0.069 R)
• M6: 3,673,077 km (0.071 R)
• M7: 4,104,816 km (0.116 R)
• M8: 5,696,986 km (0.104 R)
• M9: 6,278,174 km (0.095 R)
• M10: 7,740,643 km (0.036 R)
• M11: 8,454,972 km (0.096 R)
• M12: 8,848,116 km (0.078 R)
• M13: 9,971,596 km (0.079 R)
• M14: 10,863,498 km (0.077 R)
• M15: 11,954,067 km (0.103 R)
• M16: 12,960,561 km (0.098 R)
• M17: 14,631,121 km (0.09 R)
• M18: 15,314,932 km (0.099 R)
• M19: 16,259,643 km (0.053 R)
• M20: 16,746,434 km (0.032 R)
• M21: 18,659,043 km (0.047 R)
• M22: 19,874,227 km (0.119 R)
• M23: 21,430,194 km (0.111 R)
• M24: 23,758,685 km (0.045 R)
• M25: 24,228,123 km (0.082 R)
• M26: 25,673,687 km (0.083 R)
• M27: 26,085,381 km (0.028 R)
• M28: 31,374,264 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.7

Radius: 14.7

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.69 AU - 4.87 AU

Year: 5717 Days

Day: 5.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,882,718 km

• M1: 185,053 km (0.095 R)
• M2: 648,806 km (0.083 R)
• M3: 1,787,545 km (0.072 R)
• M4: 2,523,267 km (0.072 R)
• M5: 3,173,120 km (0.076 R)
• M6: 4,357,487 km (0.116 R)
• M7: 5,133,601 km (0.09 R)
• M8: 5,969,853 km (0.104 R)
• M9: 6,469,210 km (0.075 R)
• M10: 7,768,468 km (0.084 R)
• M11: 9,524,896 km (0.05 R)
• M12: 10,880,403 km (0.1 R)
• M13: 12,866,314 km (0.108 R)
• M14: 14,410,164 km (0.074 R)
• M15: 18,314,968 km (0.078 R)
• M16: 18,906,179 km (0.111 R)
• M17: 19,374,869 km (0.073 R)
• M18: 20,335,437 km (0.08 R)
• M19: 21,040,791 km (0.077 R)
• M20: 22,650,165 km (0.11 R)
• M21: 23,408,327 km (0.097 R)
• M22: 24,105,004 km (0.117 R)
• M23: 25,784,539 km (0.11 R)
• M24: 27,712,258 km (0.07 R)
• M25: 30,005,294 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34

Radius: 6.8

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.21 AU - 6.85 AU

Year: 10774 Days

Day: 15.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,882,718 km

• M1: 84,672 km (0.094 R)
• M2: 717,172 km (0.092 R)
• M3: 1,459,626 km (0.115 R)
• M4: 3,812,053 km (0.025 R)
• M5: 4,125,161 km (0.058 R)
• M6: 5,145,568 km (0.1 R)
• M7: 7,552,299 km (0.096 R)
• M8: 8,729,485 km (0.088 R)
• M9: 13,744,304 km (0.119 R)
• M10: 16,085,361 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.9

Radius: 4.3

Gravity: 26.17 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 9.91 AU - 12.47 AU

Year: 24169 Days

Day: 19.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,882,718 km

• M1: 53,855 km (0.096 R)
• M2: 380,128 km (0.104 R)
• M3: 705,803 km (0.112 R)
• M4: 1,155,943 km (0.12 R)
• M5: 1,966,314 km (0.112 R)
• M6: 2,690,817 km (0.088 R)
• M7: 3,126,745 km (0.054 R)
• M8: 4,336,094 km (0.106 R)
• M9: 4,970,539 km (0.042 R)
• M10: 5,309,976 km (0.096 R)
• M11: 5,664,673 km (0.086 R)
• M12: 8,081,127 km (0.075 R)
• M13: 11,044,362 km (0.118 R)
• M14: 11,491,510 km (0.105 R)
• M15: 11,884,504 km (0.069 R)
• M16: 12,286,174 km (0.109 R)
• M17: 12,490,525 km (0.037 R)
• M18: 13,545,938 km (0.054 R)
• M19: 13,691,048 km (0.086 R)
• M20: 19,725,377 km (0.109 R)
• M21: 20,573,746 km (0.119 R)
• M22: 22,141,532 km (0.043 R)
• M23: 23,577,223 km (0.114 R)
• M24: 25,402,466 km (0.103 R)
• M25: 28,969,478 km (0.102 R)
• M26: 32,595,581 km (0.119 R)
• M27: 32,987,228 km (0.033 R)
• M28: 42,725,451 km (0.118 R)
• M29: 43,508,746 km (0.083 R)
• M30: 44,301,764 km (0.112 R)
• M31: 44,461,534 km (0.072 R)
• M32: 45,104,356 km (0.111 R)
• M33: 46,408,551 km (0.11 R)
• M34: 51,346,776 km (0.049 R)
• M35: 54,033,405 km (0.111 R)
• M36: 73,925,134 km (0.073 R)
• M37: 75,508,029 km (0.104 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 17,916 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit