🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.4

Radius: 10.7

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.69 AU - 0.81 AU

Year: 413 Days

Day: 11.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,175,268 km

• M1: 133,142 km (0.091 R)
• M2: 466,895 km (0.115 R)
• M3: 876,195 km (0.108 R)
• M4: 1,243,906 km (0.08 R)
• M5: 1,605,185 km (0.067 R)
• M6: 1,962,724 km (0.089 R)
• M7: 2,813,487 km (0.067 R)
• M8: 4,051,410 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616

Radius: 9.9

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.77 AU - 1.13 AU

Year: 589 Days

Day: 9.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,175,268 km

• M1: 123,119 km (0.082 R)
• M2: 480,060 km (0.083 R)
• M3: 810,222 km (0.1 R)
• M4: 1,572,124 km (0.076 R)
• M5: 1,960,330 km (0.051 R)
• M6: 2,392,668 km (0.073 R)
• M7: 2,722,831 km (0.067 R)
• M8: 3,083,511 km (0.111 R)
• M9: 3,553,398 km (0.08 R)
• M10: 4,229,281 km (0.112 R)
• M11: 5,005,096 km (0.114 R)
• M12: 5,496,974 km (0.104 R)
• M13: 6,343,099 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.8

Radius: 12.3

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.02 AU - 1.04 AU

Year: 665 Days

Day: 5.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 77,175,268 km

• M1: 153,039 km (0.075 R)
• M2: 754,123 km (0.075 R)
• M3: 1,774,829 km (0.051 R)
• M4: 2,419,895 km (0.095 R)
• M5: 3,488,622 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.5

Radius: 12.7

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.05 AU - 1.65 AU

Year: 997 Days

Day: 6.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 157.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,175,268 km

• M1: 158,125 km (0.084 R)
• M2: 856,448 km (0.063 R)
• M3: 1,478,925 km (0.074 R)
• M4: 1,973,944 km (0.12 R)
• M5: 2,687,975 km (0.113 R)
• M6: 3,267,965 km (0.076 R)
• M7: 4,135,783 km (0.109 R)
• M8: 5,974,041 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616

Radius: 11.3

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.61 AU - 1.89 AU

Year: 1472 Days

Day: 11.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,175,268 km

• M1: 140,472 km (0.099 R)
• M2: 603,179 km (0.06 R)
• M3: 1,039,256 km (0.118 R)
• M4: 1,423,274 km (0.035 R)
• M5: 1,852,770 km (0.033 R)
• M6: 2,896,215 km (0.064 R)
• M7: 3,469,175 km (0.09 R)
• M8: 5,415,742 km (0.077 R)
• M9: 6,721,432 km (0.054 R)
• M10: 8,864,123 km (0.085 R)
• M11: 9,913,552 km (0.072 R)
• M12: 10,369,077 km (0.099 R)
• M13: 10,736,639 km (0.063 R)
• M14: 12,898,029 km (0.073 R)

Asteroid Belt

Center: 2.13 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.7

Radius: 14.4

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.3 AU - 2.7 AU

Year: 2513 Days

Day: 5.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,175,268 km

• M1: 179,517 km (0.086 R)
• M2: 652,995 km (0.083 R)
• M3: 1,307,785 km (0.112 R)
• M4: 1,919,041 km (0.079 R)
• M5: 2,761,876 km (0.107 R)
• M6: 3,221,141 km (0.111 R)
• M7: 3,732,018 km (0.11 R)
• M8: 4,768,432 km (0.086 R)
• M9: 5,412,601 km (0.102 R)
• M10: 6,740,581 km (0.072 R)
• M11: 7,209,720 km (0.082 R)
• M12: 8,121,818 km (0.11 R)
• M13: 8,621,924 km (0.08 R)
• M14: 10,907,181 km (0.043 R)
• M15: 11,362,557 km (0.067 R)
• M16: 13,313,014 km (0.102 R)
• M17: 16,894,387 km (0.039 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.9

Radius: 11.4

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.54 AU - 2.72 AU

Year: 2712 Days

Day: 11.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,175,268 km

• M1: 141,819 km (0.117 R)
• M2: 513,569 km (0.085 R)
• M3: 947,254 km (0.08 R)
• M4: 1,963,622 km (0.105 R)
• M5: 2,343,600 km (0.114 R)
• M6: 2,820,219 km (0.045 R)
• M7: 3,544,123 km (0.11 R)
• M8: 3,930,385 km (0.066 R)
• M9: 5,586,882 km (0.111 R)
• M10: 6,500,177 km (0.096 R)
• M11: 7,667,190 km (0.119 R)
• M12: 10,104,588 km (0.055 R)
• M13: 11,499,439 km (0.036 R)
• M14: 11,877,921 km (0.063 R)
• M15: 12,928,398 km (0.113 R)
• M16: 13,569,125 km (0.069 R)
• M17: 14,963,677 km (0.1 R)
• M18: 15,364,749 km (0.091 R)
• M19: 15,927,835 km (0.116 R)
• M20: 16,451,727 km (0.097 R)
• M21: 17,095,446 km (0.077 R)
• M22: 18,605,338 km (0.088 R)
• M23: 20,692,527 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.7

Radius: 11.5

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.44 AU - 3.34 AU

Year: 3124 Days

Day: 5.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,175,268 km

• M1: 143,016 km (0.08 R)
• M2: 547,079 km (0.077 R)
• M3: 1,017,116 km (0.095 R)
• M4: 1,469,051 km (0.094 R)
• M5: 2,324,302 km (0.087 R)
• M6: 3,099,518 km (0.085 R)
• M7: 4,009,073 km (0.093 R)
• M8: 5,381,634 km (0.051 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 941.6

Radius: 7.7

Gravity: 15.88 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.12 AU - 11.06 AU

Year: 17425 Days

Day: 20.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,175,268 km

• M1: 97,089 km (0.035 R)
• M2: 883,375 km (0.066 R)
• M3: 1,450,501 km (0.096 R)
• M4: 1,842,747 km (0.032 R)
• M5: 2,135,510 km (0.066 R)
• M6: 3,125,249 km (0.117 R)
• M7: 5,684,869 km (0.046 R)
• M8: 9,730,743 km (0.04 R)
• M9: 12,711,181 km (0.107 R)
• M10: 14,902,790 km (0.116 R)
• M11: 15,926,339 km (0.096 R)
• M12: 16,744,938 km (0.079 R)
• M13: 18,644,383 km (0.116 R)
• M14: 24,118,767 km (0.109 R)
• M15: 25,088,161 km (0.079 R)
• M16: 25,637,933 km (0.103 R)
• M17: 28,388,739 km (0.113 R)
• M18: 35,011,586 km (0.091 R)
• M19: 37,097,729 km (0.064 R)
• M20: 39,265,252 km (0.108 R)
• M21: 39,708,660 km (0.098 R)
• M22: 43,692,601 km (0.111 R)
• M23: 46,272,267 km (0.077 R)
• M24: 46,601,831 km (0.093 R)
• M25: 48,441,735 km (0.077 R)
• M26: 50,329,511 km (0.082 R)
• M27: 52,802,513 km (0.114 R)
• M28: 57,418,056 km (0.099 R)
• M29: 57,798,484 km (0.064 R)
• M30: 67,441,862 km (0.103 R)
• M31: 68,932,156 km (0.054 R)
• M32: 71,978,118 km (0.09 R)
• M33: 73,087,386 km (0.108 R)
• M34: 74,886,001 km (0.079 R)
• M35: 76,944,318 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: 184 - 12,247 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit