🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.3

Radius: 13.6

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.11 AU - 1.55 AU

Year: 990 Days

Day: 9.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 152.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,582,128 km

• M1: 169,195 km (0.059 R)
• M2: 635,492 km (0.077 R)
• M3: 1,087,726 km (0.076 R)
• M4: 1,756,578 km (0.066 R)
• M5: 2,959,794 km (0.078 R)
• M6: 3,980,799 km (0.039 R)
• M7: 5,304,142 km (0.116 R)
• M8: 5,819,357 km (0.108 R)
• M9: 7,467,926 km (0.052 R)
• M10: 8,414,282 km (0.085 R)
• M11: 8,973,628 km (0.092 R)
• M12: 10,198,536 km (0.067 R)
• M13: 11,163,292 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.5

Radius: 8.7

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.1 AU - 1.6 AU

Year: 1013 Days

Day: 14.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,582,128 km

• M1: 108,159 km (0.119 R)
• M2: 384,915 km (0.102 R)
• M3: 697,874 km (0.118 R)
• M4: 1,023,100 km (0.079 R)
• M5: 1,729,351 km (0.069 R)
• M6: 2,053,829 km (0.103 R)
• M7: 2,369,780 km (0.044 R)
• M8: 2,905,191 km (0.044 R)
• M9: 3,741,892 km (0.105 R)
• M10: 4,030,316 km (0.082 R)
• M11: 4,746,441 km (0.039 R)
• M12: 5,597,354 km (0.104 R)
• M13: 6,050,037 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.6

Radius: 14

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.42 AU - 2.98 AU

Year: 2865 Days

Day: 8.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,582,128 km

• M1: 174,132 km (0.069 R)
• M2: 621,130 km (0.07 R)
• M3: 1,082,490 km (0.095 R)
• M4: 1,594,564 km (0.06 R)
• M5: 2,296,178 km (0.081 R)
• M6: 3,048,805 km (0.111 R)
• M7: 3,583,318 km (0.073 R)
• M8: 4,200,559 km (0.071 R)
• M9: 5,929,760 km (0.035 R)
• M10: 6,380,499 km (0.111 R)
• M11: 7,026,762 km (0.111 R)
• M12: 7,502,034 km (0.11 R)
• M13: 8,094,142 km (0.093 R)
• M14: 9,023,744 km (0.117 R)
• M15: 10,246,856 km (0.091 R)
• M16: 11,174,961 km (0.068 R)
• M17: 12,158,268 km (0.115 R)
• M18: 12,628,005 km (0.087 R)
• M19: 13,603,682 km (0.061 R)
• M20: 15,406,935 km (0.1 R)
• M21: 15,906,891 km (0.074 R)
• M22: 16,781,590 km (0.065 R)
• M23: 19,367,688 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.9

Radius: 9.4

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.84 AU - 4.42 AU

Year: 4466 Days

Day: 9.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,582,128 km

• M1: 116,836 km (0.058 R)
• M2: 875,596 km (0.093 R)
• M3: 1,172,099 km (0.1 R)
• M4: 2,016,280 km (0.082 R)
• M5: 2,701,289 km (0.058 R)
• M6: 3,012,303 km (0.114 R)
• M7: 3,365,802 km (0.084 R)
• M8: 3,927,692 km (0.111 R)
• M9: 5,517,020 km (0.085 R)
• M10: 6,556,127 km (0.057 R)
• M11: 6,939,995 km (0.058 R)
• M12: 8,593,201 km (0.116 R)
• M13: 12,301,732 km (0.091 R)
• M14: 12,886,809 km (0.078 R)
• M15: 14,554,676 km (0.094 R)
• M16: 16,523,234 km (0.043 R)
• M17: 17,968,499 km (0.037 R)
• M18: 21,236,166 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.3

Radius: 8.7

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4 AU - 5.64 AU

Year: 6833 Days

Day: 14.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 147.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,582,128 km

• M1: 142,866 km (0.073 R)
• M2: 734,226 km (0.097 R)
• M3: 1,007,542 km (0.086 R)
• M4: 1,563,148 km (0.03 R)
• M5: 2,426,926 km (0.06 R)
• M6: 3,875,632 km (0.092 R)
• M7: 5,260,160 km (0.106 R)
• M8: 7,744,682 km (0.053 R)
• M9: 10,780,621 km (0.112 R)
• M10: 11,256,941 km (0.119 R)
• M11: 11,997,749 km (0.112 R)
• M12: 13,686,410 km (0.1 R)
• M13: 18,658,445 km (0.081 R)
• M14: 20,191,973 km (0.103 R)
• M15: 20,769,869 km (0.107 R)
• M16: 22,724,365 km (0.099 R)
• M17: 24,880,819 km (0.034 R)
• M18: 25,461,258 km (0.094 R)
• M19: 26,822,300 km (0.099 R)
• M20: 28,141,603 km (0.047 R)
• M21: 29,967,296 km (0.115 R)

Asteroid Belt

Center: 5.12 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.8

Radius: 13.3

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.22 AU - 5.6 AU

Year: 8125 Days

Day: 5.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,582,128 km

• M1: 166,054 km (0.096 R)
• M2: 974,331 km (0.053 R)
• M3: 1,466,209 km (0.117 R)
• M4: 1,960,031 km (0.085 R)
• M5: 2,664,039 km (0.091 R)
• M6: 3,491,166 km (0.089 R)
• M7: 5,111,011 km (0.11 R)
• M8: 5,683,223 km (0.114 R)
• M9: 10,658,100 km (0.113 R)
• M10: 12,202,250 km (0.077 R)
• M11: 13,028,329 km (0.102 R)
• M12: 14,310,233 km (0.118 R)
• M13: 26,211,043 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927

Radius: 7.4

Gravity: 16.93 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 6.96 AU - 8.88 AU

Year: 14391 Days

Day: 24.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 67,582,128 km

• M1: 92,152 km (0.068 R)
• M2: 435,479 km (0.072 R)
• M3: 690,693 km (0.108 R)
• M4: 1,121,386 km (0.025 R)
• M5: 2,539,573 km (0.102 R)
• M6: 3,373,881 km (0.079 R)
• M7: 4,542,240 km (0.101 R)
• M8: 6,661,294 km (0.093 R)
• M9: 7,143,897 km (0.106 R)
• M10: 8,129,747 km (0.112 R)
• M11: 9,150,453 km (0.103 R)
• M12: 11,505,423 km (0.083 R)
• M13: 15,335,727 km (0.104 R)
• M14: 18,626,431 km (0.083 R)
• M15: 20,572,849 km (0.072 R)
• M16: 21,126,361 km (0.1 R)
• M17: 25,493,123 km (0.081 R)
• M18: 30,188,850 km (0.081 R)
• M19: 37,440,158 km (0.089 R)
• M20: 38,126,813 km (0.079 R)
• M21: 43,019,560 km (0.113 R)
• M22: 44,841,663 km (0.097 R)
• M23: 47,991,895 km (0.117 R)
• M24: 48,965,029 km (0.108 R)
• M25: 50,116,932 km (0.068 R)
• M26: 52,817,323 km (0.1 R)
• M27: 55,791,179 km (0.114 R)
• M28: 58,322,525 km (0.081 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 13,397 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit