🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.3

Radius: 10.7

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.05 AU - 1.53 AU

Year: 1011 Days

Day: 12.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,564,169 km

• M1: 133,142 km (0.1 R)
• M2: 556,055 km (0.099 R)
• M3: 1,064,090 km (0.062 R)
• M4: 1,580,053 km (0.111 R)
• M5: 2,531,346 km (0.115 R)
• M6: 2,983,580 km (0.05 R)
• M7: 4,524,588 km (0.052 R)
• M8: 5,450,449 km (0.093 R)
• M9: 5,870,071 km (0.094 R)
• M10: 7,058,626 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.8

Radius: 9

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.48 AU - 2.62 AU

Year: 2811 Days

Day: 12.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,564,169 km

• M1: 111,899 km (0.093 R)
• M2: 505,042 km (0.053 R)
• M3: 1,065,586 km (0.111 R)
• M4: 1,736,233 km (0.027 R)
• M5: 2,179,342 km (0.078 R)
• M6: 3,507,023 km (0.069 R)
• M7: 3,837,784 km (0.09 R)
• M8: 4,410,893 km (0.051 R)
• M9: 4,925,659 km (0.107 R)
• M10: 5,602,590 km (0.071 R)
• M11: 5,926,918 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.6

Radius: 12.6

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.08 AU - 3.46 AU

Year: 3182 Days

Day: 11.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,564,169 km

• M1: 156,928 km (0.112 R)
• M2: 550,071 km (0.06 R)
• M3: 1,381,836 km (0.1 R)
• M4: 1,780,813 km (0.046 R)
• M5: 2,271,195 km (0.115 R)
• M6: 2,715,949 km (0.062 R)
• M7: 3,765,678 km (0.054 R)
• M8: 4,210,582 km (0.06 R)
• M9: 4,844,129 km (0.075 R)
• M10: 6,653,664 km (0.1 R)
• M11: 7,726,431 km (0.112 R)
• M12: 8,744,295 km (0.119 R)
• M13: 9,671,054 km (0.102 R)
• M14: 10,066,890 km (0.095 R)
• M15: 10,929,770 km (0.117 R)
• M16: 11,478,794 km (0.079 R)
• M17: 12,128,797 km (0.106 R)
• M18: 12,932,287 km (0.046 R)
• M19: 15,168,626 km (0.106 R)
• M20: 15,802,921 km (0.095 R)
• M21: 16,813,155 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.8

Radius: 12.1

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.73 AU - 4.11 AU

Year: 5357 Days

Day: 11.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,564,169 km

• M1: 156,031 km (0.091 R)
• M2: 689,197 km (0.113 R)
• M3: 1,502,112 km (0.051 R)
• M4: 2,823,361 km (0.037 R)
• M5: 3,390,037 km (0.059 R)
• M6: 4,007,428 km (0.065 R)
• M7: 4,433,782 km (0.038 R)
• M8: 5,497,871 km (0.083 R)
• M9: 7,477,500 km (0.077 R)
• M10: 7,855,085 km (0.113 R)
• M11: 8,365,064 km (0.105 R)
• M12: 9,759,615 km (0.093 R)
• M13: 11,451,867 km (0.071 R)
• M14: 13,276,961 km (0.087 R)
• M15: 14,230,198 km (0.088 R)
• M16: 15,228,614 km (0.112 R)
• M17: 16,716,814 km (0.112 R)
• M18: 18,436,142 km (0.116 R)
• M19: 20,197,657 km (0.066 R)
• M20: 24,546,467 km (0.109 R)
• M21: 26,413,598 km (0.117 R)
• M22: 28,924,599 km (0.09 R)
• M23: 29,389,250 km (0.118 R)
• M24: 32,282,173 km (0.042 R)
• M25: 34,938,583 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.2

Radius: 12

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.31 AU - 4.89 AU

Year: 6810 Days

Day: 11 Hours

Environment

Temp: -231 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,564,169 km

• M1: 149,299 km (0.11 R)
• M2: 567,724 km (0.089 R)
• M3: 1,535,622 km (0.088 R)
• M4: 2,673,763 km (0.086 R)
• M5: 3,937,715 km (0.106 R)
• M6: 4,502,896 km (0.087 R)
• M7: 5,340,494 km (0.087 R)
• M8: 6,643,941 km (0.064 R)
• M9: 7,112,631 km (0.048 R)
• M10: 13,275,165 km (0.061 R)
• M11: 18,173,449 km (0.071 R)
• M12: 18,802,208 km (0.119 R)
• M13: 19,327,297 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 975.1

Radius: 7.7

Gravity: 16.45 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.22 AU - 10.2 AU

Year: 19293 Days

Day: 19.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 83,564,169 km

• M1: 96,491 km (0.117 R)
• M2: 550,819 km (0.074 R)
• M3: 1,124,677 km (0.098 R)
• M4: 1,512,584 km (0.09 R)
• M5: 1,831,676 km (0.081 R)
• M6: 3,376,424 km (0.105 R)
• M7: 3,925,448 km (0.036 R)
• M8: 5,046,983 km (0.063 R)
• M9: 5,477,975 km (0.084 R)
• M10: 6,548,647 km (0.088 R)
• M11: 6,825,104 km (0.116 R)
• M12: 8,010,068 km (0.102 R)
• M13: 8,434,029 km (0.03 R)
• M14: 8,872,799 km (0.109 R)
• M15: 10,219,479 km (0.047 R)
• M16: 13,021,148 km (0.106 R)
• M17: 17,766,692 km (0.072 R)
• M18: 20,473,815 km (0.062 R)
• M19: 23,124,240 km (0.072 R)
• M20: 24,642,060 km (0.077 R)
• M21: 28,602,963 km (0.114 R)
• M22: 32,035,486 km (0.11 R)
• M23: 38,499,610 km (0.09 R)
• M24: 39,099,647 km (0.109 R)
• M25: 42,671,596 km (0.118 R)
• M26: 45,781,586 km (0.041 R)
• M27: 53,186,381 km (0.093 R)
• M28: 54,493,268 km (0.082 R)
• M29: 59,136,936 km (0.051 R)
• M30: 60,539,416 km (0.111 R)
• M31: 65,729,564 km (0.082 R)
• M32: 66,801,882 km (0.112 R)
• M33: 68,542,004 km (0.09 R)
• M34: 82,566,506 km (0.102 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 11,839 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit