🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.7

Radius: 8.2

Gravity: 11.92 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.66 AU - 0.98 AU

Year: 513 Days

Day: 8.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,568,240 km

• M1: 102,026 km (0.074 R)
• M2: 422,464 km (0.074 R)
• M3: 686,953 km (0.119 R)
• M4: 1,056,610 km (0.095 R)
• M5: 1,414,448 km (0.113 R)
• M6: 2,242,472 km (0.107 R)
• M7: 2,708,320 km (0.106 R)
• M8: 3,424,295 km (0.054 R)
• M9: 3,724,987 km (0.066 R)
• M10: 4,071,755 km (0.068 R)
• M11: 4,960,067 km (0.069 R)
• M12: 6,331,431 km (0.11 R)
• M13: 6,605,644 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.2

Radius: 9

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.94 AU - 1.24 AU

Year: 786 Days

Day: 8.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,568,240 km

• M1: 111,899 km (0.097 R)
• M2: 480,060 km (0.073 R)
• M3: 776,712 km (0.11 R)
• M4: 1,111,662 km (0.115 R)
• M5: 1,672,055 km (0.073 R)
• M6: 2,112,172 km (0.106 R)
• M7: 2,660,598 km (0.11 R)
• M8: 3,092,637 km (0.101 R)
• M9: 4,215,518 km (0.07 R)
• M10: 4,772,322 km (0.038 R)
• M11: 5,789,886 km (0.078 R)
• M12: 6,127,529 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.4

Radius: 11.7

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.08 AU - 1.28 AU

Year: 885 Days

Day: 9.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,568,240 km

• M1: 145,559 km (0.038 R)
• M2: 636,988 km (0.057 R)
• M3: 1,155,045 km (0.115 R)
• M4: 1,554,172 km (0.117 R)
• M5: 1,983,817 km (0.097 R)
• M6: 2,620,356 km (0.116 R)
• M7: 3,052,694 km (0.114 R)
• M8: 3,861,869 km (0.117 R)
• M9: 4,518,903 km (0.092 R)
• M10: 5,179,677 km (0.11 R)
• M11: 7,266,717 km (0.088 R)

Asteroid Belt

Center: 2.4 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.8

Radius: 14.8

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.53 AU - 3.71 AU

Year: 4754 Days

Day: 5.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,568,240 km

• M1: 184,005 km (0.06 R)
• M2: 747,241 km (0.115 R)
• M3: 1,348,774 km (0.101 R)
• M4: 1,949,559 km (0.082 R)
• M5: 3,757,450 km (0.098 R)
• M6: 4,306,773 km (0.117 R)
• M7: 4,768,731 km (0.064 R)
• M8: 7,117,268 km (0.069 R)
• M9: 8,367,458 km (0.077 R)
• M10: 9,373,952 km (0.096 R)
• M11: 10,840,011 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.5

Radius: 13.1

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.12 AU - 4.8 AU

Year: 5439 Days

Day: 6.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,568,240 km

• M1: 163,062 km (0.046 R)
• M2: 822,489 km (0.119 R)
• M3: 1,511,986 km (0.04 R)
• M4: 1,995,785 km (0.079 R)
• M5: 2,706,973 km (0.114 R)
• M6: 3,538,139 km (0.07 R)
• M7: 4,014,309 km (0.113 R)
• M8: 5,013,473 km (0.108 R)
• M9: 6,365,090 km (0.069 R)
• M10: 6,831,686 km (0.095 R)
• M11: 7,611,390 km (0.068 R)
• M12: 9,264,147 km (0.082 R)
• M13: 9,952,896 km (0.083 R)
• M14: 10,675,454 km (0.059 R)
• M15: 16,564,523 km (0.1 R)
• M16: 18,235,681 km (0.117 R)
• M17: 18,907,376 km (0.092 R)
• M18: 20,515,254 km (0.059 R)
• M19: 21,022,241 km (0.12 R)
• M20: 23,212,204 km (0.119 R)
• M21: 24,322,220 km (0.042 R)
• M22: 26,477,028 km (0.082 R)
• M23: 26,905,626 km (0.09 R)
• M24: 28,041,672 km (0.097 R)
• M25: 30,502,856 km (0.092 R)
• M26: 32,027,558 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491.6

Radius: 7.5

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.15 AU - 6.51 AU

Year: 9717 Days

Day: 24.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,568,240 km

• M1: 162,314 km (0.119 R)
• M2: 409,599 km (0.114 R)
• M3: 1,193,791 km (0.113 R)
• M4: 2,203,876 km (0.099 R)
• M5: 2,863,154 km (0.048 R)
• M6: 3,598,876 km (0.075 R)
• M7: 4,262,642 km (0.085 R)
• M8: 4,652,344 km (0.052 R)
• M9: 6,137,103 km (0.079 R)
• M10: 6,453,951 km (0.102 R)
• M11: 6,893,320 km (0.077 R)
• M12: 9,031,373 km (0.116 R)
• M13: 9,912,205 km (0.116 R)
• M14: 14,378,450 km (0.098 R)
• M15: 16,034,947 km (0.114 R)
• M16: 16,367,653 km (0.071 R)
• M17: 20,104,458 km (0.047 R)
• M18: 21,041,090 km (0.034 R)
• M19: 21,843,683 km (0.088 R)
• M20: 28,234,504 km (0.114 R)
• M21: 29,111,895 km (0.109 R)
• M22: 32,910,335 km (0.074 R)
• M23: 34,761,309 km (0.081 R)
• M24: 36,108,887 km (0.103 R)
• M25: 36,910,881 km (0.11 R)
• M26: 37,258,247 km (0.057 R)
• M27: 37,607,708 km (0.08 R)
• M28: 40,852,486 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 77.8

Radius: 5.1

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.9 AU - 12.36 AU

Year: 22255 Days

Day: 19.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,568,240 km

• M1: 275,110 km (0.067 R)
• M2: 726,148 km (0.083 R)
• M3: 1,561,951 km (0.053 R)
• M4: 2,197,144 km (0.115 R)
• M5: 2,443,083 km (0.043 R)
• M6: 2,610,782 km (0.04 R)
• M7: 2,866,594 km (0.094 R)
• M8: 3,497,897 km (0.051 R)
• M9: 4,377,982 km (0.044 R)
• M10: 6,707,969 km (0.114 R)
• M11: 7,612,886 km (0.105 R)
• M12: 10,713,302 km (0.063 R)
• M13: 11,576,482 km (0.085 R)
• M14: 12,872,598 km (0.112 R)
• M15: 16,530,266 km (0.112 R)
• M16: 20,671,583 km (0.109 R)
• M17: 23,062,457 km (0.102 R)
• M18: 24,153,474 km (0.112 R)
• M19: 25,454,526 km (0.118 R)
• M20: 29,931,392 km (0.1 R)
• M21: 32,875,478 km (0.095 R)
• M22: 33,190,681 km (0.07 R)
• M23: 36,007,011 km (0.093 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: 527 - 18,304 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit