🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.7

Radius: 14.4

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.65 AU - 0.73 AU

Year: 364 Days

Day: 6.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,550,009 km

• M1: 179,069 km (0.098 R)
• M2: 725,101 km (0.096 R)
• M3: 1,221,467 km (0.074 R)
• M4: 2,068,939 km (0.082 R)
• M5: 3,250,612 km (0.094 R)
• M6: 3,781,385 km (0.095 R)
• M7: 4,658,777 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529

Radius: 12.6

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.75 AU - 0.93 AU

Year: 489 Days

Day: 7.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,550,009 km

• M1: 157,078 km (0.117 R)
• M2: 930,050 km (0.116 R)
• M3: 1,541,756 km (0.061 R)
• M4: 1,973,645 km (0.036 R)
• M5: 2,468,365 km (0.094 R)
• M6: 4,140,570 km (0.112 R)
• M7: 4,838,743 km (0.052 R)
• M8: 5,680,979 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.3

Radius: 10

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.87 AU - 1.37 AU

Year: 754 Days

Day: 10.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,550,009 km

• M1: 124,914 km (0.099 R)
• M2: 491,728 km (0.107 R)
• M3: 804,089 km (0.096 R)
• M4: 1,206,806 km (0.077 R)
• M5: 1,603,240 km (0.03 R)
• M6: 1,970,054 km (0.073 R)
• M7: 2,294,083 km (0.054 R)
• M8: 2,992,257 km (0.057 R)
• M9: 3,527,817 km (0.074 R)
• M10: 3,896,127 km (0.037 R)
• M11: 4,678,374 km (0.058 R)
• M12: 5,090,068 km (0.088 R)
• M13: 5,525,996 km (0.059 R)
• M14: 6,158,645 km (0.061 R)
• M15: 7,154,668 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.8

Radius: 10.1

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.21 AU - 1.21 AU

Year: 846 Days

Day: 10.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,550,009 km

• M1: 127,009 km (0.044 R)
• M2: 512,223 km (0.103 R)
• M3: 1,043,595 km (0.083 R)
• M4: 1,424,022 km (0.066 R)
• M5: 1,827,787 km (0.112 R)
• M6: 2,219,284 km (0.092 R)
• M7: 2,558,872 km (0.076 R)
• M8: 2,943,936 km (0.103 R)
• M9: 3,473,962 km (0.049 R)
• M10: 3,806,518 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.7

Radius: 9.9

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.34 AU - 4.64 AU

Year: 6049 Days

Day: 7.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,550,009 km

• M1: 126,859 km (0.108 R)
• M2: 732,880 km (0.109 R)
• M3: 1,088,325 km (0.084 R)
• M4: 1,407,866 km (0.08 R)
• M5: 2,422,139 km (0.11 R)
• M6: 3,036,388 km (0.12 R)
• M7: 4,652,494 km (0.113 R)
• M8: 5,484,258 km (0.065 R)
• M9: 6,477,438 km (0.088 R)
• M10: 7,297,833 km (0.104 R)
• M11: 8,033,106 km (0.062 R)
• M12: 8,938,922 km (0.103 R)
• M13: 10,176,246 km (0.101 R)
• M14: 11,188,574 km (0.108 R)
• M15: 12,065,517 km (0.102 R)
• M16: 17,150,797 km (0.109 R)
• M17: 18,917,698 km (0.118 R)
• M18: 20,231,766 km (0.043 R)
• M19: 23,117,957 km (0.072 R)
• M20: 24,297,686 km (0.099 R)
• M21: 24,861,670 km (0.077 R)
• M22: 25,352,052 km (0.091 R)
• M23: 25,765,690 km (0.073 R)
• M24: 27,813,835 km (0.083 R)
• M25: 28,520,086 km (0.062 R)
• M26: 28,877,625 km (0.112 R)
• M27: 30,152,648 km (0.097 R)
• M28: 31,655,508 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.6

Radius: 5.7

Gravity: 16.92 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 6.43 AU - 9.51 AU

Year: 14306 Days

Day: 21.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,550,009 km

• M1: 70,909 km (0.113 R)
• M2: 269,276 km (0.11 R)
• M3: 464,352 km (0.058 R)
• M4: 1,364,632 km (0.09 R)
• M5: 1,705,117 km (0.094 R)
• M6: 2,027,650 km (0.093 R)
• M7: 2,213,300 km (0.107 R)
• M8: 2,662,244 km (0.081 R)
• M9: 3,121,360 km (0.099 R)
• M10: 4,285,231 km (0.08 R)
• M11: 4,751,976 km (0.116 R)
• M12: 6,278,024 km (0.105 R)
• M13: 6,554,182 km (0.115 R)
• M14: 6,756,438 km (0.088 R)
• M15: 7,607,052 km (0.078 R)
• M16: 8,671,141 km (0.106 R)
• M17: 9,213,583 km (0.094 R)
• M18: 10,920,495 km (0.09 R)
• M19: 16,382,313 km (0.097 R)
• M20: 20,542,780 km (0.096 R)
• M21: 21,772,474 km (0.081 R)
• M22: 22,772,536 km (0.11 R)
• M23: 23,237,037 km (0.073 R)
• M24: 24,668,689 km (0.103 R)
• M25: 25,356,390 km (0.099 R)
• M26: 26,565,141 km (0.117 R)
• M27: 41,381,613 km (0.055 R)
• M28: 42,491,779 km (0.108 R)
• M29: 44,626,690 km (0.106 R)
• M30: 47,432,099 km (0.084 R)
• M31: 47,885,530 km (0.032 R)
• M32: 48,801,219 km (0.104 R)
• M33: 50,509,926 km (0.09 R)
• M34: 55,038,702 km (0.062 R)
• M35: 55,874,954 km (0.088 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: 272 - 11,293 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit