🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.1

Radius: 14.4

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.6 AU - 0.82 AU

Year: 413 Days

Day: 9.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 21,930,595 km

• M1: 180,116 km (0.094 R)
• M2: 663,167 km (0.111 R)
• M3: 1,113,756 km (0.103 R)
• M4: 1,885,681 km (0.115 R)
• M5: 2,531,645 km (0.111 R)
• M6: 3,156,515 km (0.064 R)
• M7: 3,883,262 km (0.089 R)
• M8: 4,376,635 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.6

Radius: 10

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1 AU - 1.02 AU

Year: 701 Days

Day: 13.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 21,930,595 km

• M1: 124,316 km (0.103 R)
• M2: 466,895 km (0.1 R)
• M3: 861,235 km (0.092 R)
• M4: 1,203,664 km (0.119 R)
• M5: 1,561,652 km (0.106 R)
• M6: 1,902,586 km (0.12 R)
• M7: 2,530,448 km (0.093 R)
• M8: 3,177,160 km (0.1 R)
• M9: 4,365,266 km (0.107 R)
• M10: 4,898,881 km (0.088 R)
• M11: 5,243,106 km (0.078 R)
• M12: 5,566,686 km (0.065 R)
• M13: 6,038,368 km (0.079 R)
• M14: 6,374,066 km (0.082 R)
• M15: 6,890,628 km (0.09 R)
• M16: 7,502,034 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657

Radius: 10.8

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.95 AU - 1.27 AU

Year: 807 Days

Day: 11.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,930,595 km

• M1: 134,339 km (0.033 R)
• M2: 674,238 km (0.113 R)
• M3: 1,014,124 km (0.112 R)
• M4: 1,406,968 km (0.044 R)
• M5: 1,787,246 km (0.095 R)
• M6: 2,832,187 km (0.089 R)
• M7: 3,220,094 km (0.116 R)
• M8: 4,324,276 km (0.075 R)
• M9: 5,287,836 km (0.106 R)
• M10: 5,939,335 km (0.105 R)
• M11: 6,367,783 km (0.084 R)
• M12: 7,015,991 km (0.089 R)
• M13: 7,803,025 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.3

Radius: 13.7

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.19 AU - 1.45 AU

Year: 1047 Days

Day: 8.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,930,595 km

• M1: 170,841 km (0.117 R)
• M2: 621,729 km (0.115 R)
• M3: 1,308,383 km (0.078 R)
• M4: 2,543,164 km (0.113 R)
• M5: 3,040,726 km (0.104 R)
• M6: 3,795,747 km (0.076 R)
• M7: 4,300,191 km (0.098 R)
• M8: 4,831,562 km (0.107 R)
• M9: 5,821,900 km (0.063 R)
• M10: 6,517,979 km (0.068 R)
• M11: 7,268,811 km (0.091 R)
• M12: 8,051,507 km (0.095 R)
• M13: 9,527,440 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823

Radius: 12.5

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.35 AU - 1.49 AU

Year: 1168 Days

Day: 14.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,930,595 km

• M1: 155,432 km (0.08 R)
• M2: 615,446 km (0.105 R)
• M3: 1,058,854 km (0.104 R)
• M4: 1,657,993 km (0.1 R)
• M5: 2,144,485 km (0.055 R)
• M6: 2,574,280 km (0.098 R)
• M7: 3,146,791 km (0.107 R)
• M8: 4,928,352 km (0.091 R)
• M9: 5,473,936 km (0.087 R)
• M10: 6,195,147 km (0.076 R)
• M11: 6,590,983 km (0.087 R)
• M12: 7,003,724 km (0.116 R)
• M13: 7,801,080 km (0.051 R)
• M14: 8,346,963 km (0.103 R)
• M15: 9,273,572 km (0.074 R)
• M16: 10,107,580 km (0.114 R)
• M17: 10,592,128 km (0.11 R)
• M18: 11,573,190 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.7

Radius: 9.6

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.77 AU - 1.89 AU

Year: 1709 Days

Day: 11.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 132.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 21,930,595 km

• M1: 119,977 km (0.078 R)
• M2: 512,822 km (0.063 R)
• M3: 986,448 km (0.112 R)
• M4: 1,298,510 km (0.062 R)
• M5: 1,697,936 km (0.062 R)
• M6: 2,130,423 km (0.1 R)
• M7: 2,471,955 km (0.105 R)
• M8: 3,381,361 km (0.082 R)
• M9: 4,339,984 km (0.064 R)
• M10: 4,893,346 km (0.035 R)
• M11: 5,871,118 km (0.099 R)
• M12: 6,216,240 km (0.06 R)
• M13: 8,179,712 km (0.05 R)
• M14: 9,687,360 km (0.094 R)
• M15: 10,240,573 km (0.11 R)
• M16: 10,596,915 km (0.085 R)
• M17: 10,998,435 km (0.079 R)
• M18: 11,715,907 km (0.12 R)
• M19: 13,118,836 km (0.092 R)
• M20: 14,541,362 km (0.054 R)
• M21: 15,405,589 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.8

Radius: 14.7

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.74 AU - 3.8 AU

Year: 4082 Days

Day: 9.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,930,595 km

• M1: 182,809 km (0.114 R)
• M2: 639,980 km (0.104 R)
• M3: 1,275,471 km (0.118 R)
• M4: 1,972,897 km (0.052 R)
• M5: 2,618,112 km (0.119 R)
• M6: 3,136,020 km (0.1 R)
• M7: 4,274,310 km (0.114 R)
• M8: 4,856,844 km (0.095 R)
• M9: 5,365,926 km (0.117 R)
• M10: 5,991,395 km (0.1 R)
• M11: 7,296,187 km (0.097 R)
• M12: 7,803,324 km (0.08 R)
• M13: 8,643,017 km (0.084 R)
• M14: 9,505,299 km (0.061 R)
• M15: 10,946,076 km (0.035 R)
• M16: 12,844,024 km (0.119 R)
• M17: 14,258,323 km (0.109 R)
• M18: 15,257,337 km (0.114 R)
• M19: 19,065,351 km (0.075 R)
• M20: 19,665,388 km (0.106 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 18,922 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit