🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.7

Radius: 13

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.69 AU - 0.91 AU

Year: 462 Days

Day: 6.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,557,956 km

• M1: 161,715 km (0.073 R)
• M2: 592,707 km (0.082 R)
• M3: 1,121,984 km (0.065 R)
• M4: 1,632,861 km (0.101 R)
• M5: 2,100,653 km (0.039 R)
• M6: 2,639,355 km (0.117 R)
• M7: 3,414,272 km (0.115 R)
• M8: 3,936,219 km (0.113 R)
• M9: 4,402,665 km (0.045 R)
• M10: 4,891,551 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.7

Radius: 8.8

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.69 AU - 0.99 AU

Year: 497 Days

Day: 9.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,557,956 km

• M1: 109,506 km (0.089 R)
• M2: 905,217 km (0.113 R)
• M3: 1,228,947 km (0.071 R)
• M4: 1,542,204 km (0.118 R)
• M5: 1,963,771 km (0.078 R)
• M6: 2,289,296 km (0.116 R)
• M7: 2,573,831 km (0.039 R)
• M8: 3,525,423 km (0.08 R)
• M9: 4,580,238 km (0.107 R)
• M10: 4,959,917 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215

Radius: 12.5

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.97 AU - 1.23 AU

Year: 745 Days

Day: 12.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,557,956 km

• M1: 157,227 km (0.09 R)
• M2: 776,114 km (0.054 R)
• M3: 1,355,506 km (0.118 R)
• M4: 2,031,090 km (0.119 R)
• M5: 2,687,526 km (0.047 R)
• M6: 3,529,163 km (0.105 R)
• M7: 4,246,336 km (0.088 R)
• M8: 5,469,448 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.1

Radius: 12

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.61 AU - 2.39 AU

Year: 1826 Days

Day: 5.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,557,956 km

• M1: 149,299 km (0.052 R)
• M2: 744,698 km (0.119 R)
• M3: 1,119,740 km (0.03 R)
• M4: 1,666,520 km (0.102 R)
• M5: 2,086,292 km (0.11 R)
• M6: 2,762,325 km (0.098 R)
• M7: 3,192,718 km (0.101 R)
• M8: 4,328,614 km (0.11 R)
• M9: 5,224,406 km (0.119 R)
• M10: 5,716,733 km (0.105 R)
• M11: 6,447,668 km (0.069 R)
• M12: 8,095,638 km (0.029 R)
• M13: 9,385,322 km (0.076 R)
• M14: 11,338,023 km (0.096 R)
• M15: 13,591,415 km (0.04 R)
• M16: 14,389,819 km (0.04 R)
• M17: 14,939,143 km (0.062 R)
• M18: 15,837,777 km (0.103 R)
• M19: 16,472,970 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.5

Radius: 8.5

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.07 AU - 3.41 AU

Year: 2928 Days

Day: 15 Hours

Environment

Temp: -194 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,557,956 km

• M1: 106,065 km (0.073 R)
• M2: 474,524 km (0.106 R)
• M3: 753,674 km (0.026 R)
• M4: 1,188,106 km (0.104 R)
• M5: 1,738,776 km (0.084 R)
• M6: 2,116,959 km (0.079 R)
• M7: 4,270,720 km (0.057 R)
• M8: 6,682,387 km (0.093 R)
• M9: 7,344,358 km (0.084 R)
• M10: 10,360,700 km (0.1 R)
• M11: 11,446,182 km (0.094 R)
• M12: 15,943,842 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.2

Radius: 5.6

Gravity: 30.97 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 9.01 AU - 9.91 AU

Year: 18787 Days

Day: 22.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 62,557,956 km

• M1: 69,713 km (0.097 R)
• M2: 299,345 km (0.055 R)
• M3: 501,153 km (0.072 R)
• M4: 785,688 km (0.112 R)
• M5: 1,040,603 km (0.08 R)
• M6: 1,274,275 km (0.116 R)
• M7: 1,773,184 km (0.119 R)
• M8: 2,215,694 km (0.099 R)
• M9: 3,260,934 km (0.09 R)
• M10: 4,053,055 km (0.105 R)
• M11: 5,351,714 km (0.072 R)
• M12: 6,812,388 km (0.095 R)
• M13: 7,288,259 km (0.062 R)
• M14: 9,825,588 km (0.12 R)
• M15: 14,073,569 km (0.092 R)
• M16: 15,080,961 km (0.072 R)
• M17: 16,638,275 km (0.03 R)
• M18: 18,938,791 km (0.086 R)
• M19: 19,972,961 km (0.045 R)
• M20: 25,262,892 km (0.111 R)
• M21: 26,979,976 km (0.099 R)
• M22: 28,167,035 km (0.073 R)
• M23: 30,517,666 km (0.042 R)
• M24: 31,157,197 km (0.118 R)
• M25: 32,728,873 km (0.076 R)
• M26: 33,534,008 km (0.044 R)
• M27: 37,176,567 km (0.094 R)
• M28: 45,070,846 km (0.12 R)
• M29: 55,513,675 km (0.115 R)
• M30: 57,236,295 km (0.068 R)
• M31: 58,208,531 km (0.087 R)
• M32: 58,994,070 km (0.092 R)
• M33: 66,813,700 km (0.112 R)
• M34: 67,028,224 km (0.104 R)
• M35: 67,243,345 km (0.096 R)
• M36: 68,761,764 km (0.081 R)
• M37: 70,747,376 km (0.081 R)
• M38: 73,911,521 km (0.047 R)
• M39: 77,641,893 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.7

Radius: 3.9

Gravity: 23.52 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 8.85 AU - 11.29 AU

Year: 20633 Days

Day: 20.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,557,956 km

• M1: 602,879 km (0.114 R)
• M2: 1,435,392 km (0.034 R)
• M3: 1,736,233 km (0.106 R)
• M4: 2,356,765 km (0.105 R)
• M5: 2,728,665 km (0.105 R)
• M6: 3,318,530 km (0.118 R)
• M7: 5,193,888 km (0.106 R)
• M8: 7,179,800 km (0.112 R)
• M9: 8,243,291 km (0.117 R)
• M10: 8,939,670 km (0.119 R)
• M11: 10,908,976 km (0.074 R)
• M12: 11,747,173 km (0.05 R)
• M13: 29,484,843 km (0.092 R)
• M14: 33,515,309 km (0.105 R)
• M15: 34,388,212 km (0.095 R)
• M16: 36,702,491 km (0.064 R)
• M17: 37,363,415 km (0.113 R)
• M18: 40,786,812 km (0.054 R)
• M19: 52,466,516 km (0.114 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: 547 - 14,087 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit