🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.1

Radius: 10.4

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.53 AU - 0.81 AU

Year: 379 Days

Day: 5.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,847,227 km

• M1: 129,402 km (0.11 R)
• M2: 487,091 km (0.086 R)
• M3: 1,280,408 km (0.092 R)
• M4: 2,068,789 km (0.117 R)
• M5: 2,438,296 km (0.059 R)
• M6: 2,912,371 km (0.089 R)
• M7: 3,246,423 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.2

Radius: 10.1

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.71 AU - 0.93 AU

Year: 513 Days

Day: 14.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 62.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,847,227 km

• M1: 125,662 km (0.031 R)
• M2: 496,964 km (0.068 R)
• M3: 820,694 km (0.116 R)
• M4: 1,250,788 km (0.097 R)
• M5: 2,047,995 km (0.106 R)
• M6: 2,490,805 km (0.069 R)
• M7: 2,845,501 km (0.096 R)
• M8: 3,315,986 km (0.061 R)
• M9: 3,645,401 km (0.115 R)
• M10: 4,257,406 km (0.076 R)
• M11: 4,662,517 km (0.048 R)
• M12: 5,061,794 km (0.079 R)
• M13: 5,483,660 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.6

Radius: 8.6

Gravity: 12.2 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.28 AU - 1.64 AU

Year: 1218 Days

Day: 13.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,847,227 km

• M1: 107,710 km (0.069 R)
• M2: 554,559 km (0.113 R)
• M3: 926,310 km (0.09 R)
• M4: 1,487,751 km (0.081 R)
• M5: 2,295,729 km (0.033 R)
• M6: 2,592,082 km (0.084 R)
• M7: 3,085,007 km (0.032 R)
• M8: 3,369,692 km (0.105 R)
• M9: 4,009,672 km (0.102 R)
• M10: 4,925,659 km (0.113 R)
• M11: 7,012,400 km (0.092 R)
• M12: 7,374,876 km (0.103 R)
• M13: 8,025,327 km (0.077 R)
• M14: 9,132,800 km (0.073 R)
• M15: 9,691,548 km (0.1 R)
• M16: 10,605,891 km (0.106 R)
• M17: 11,084,005 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.8

Radius: 13.5

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.84 AU - 4.42 AU

Year: 4774 Days

Day: 11.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,847,227 km

• M1: 167,849 km (0.113 R)
• M2: 591,809 km (0.111 R)
• M3: 1,338,901 km (0.119 R)
• M4: 2,443,232 km (0.103 R)
• M5: 3,955,218 km (0.067 R)
• M6: 4,546,130 km (0.092 R)
• M7: 4,989,388 km (0.077 R)
• M8: 7,093,482 km (0.071 R)
• M9: 11,253,799 km (0.105 R)
• M10: 13,418,181 km (0.063 R)
• M11: 17,822,043 km (0.109 R)
• M12: 19,375,318 km (0.068 R)
• M13: 20,548,315 km (0.083 R)

Asteroid Belt

Center: 4.33 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.4

Radius: 14.1

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.47 AU - 5.57 AU

Year: 7764 Days

Day: 9.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,847,227 km

• M1: 175,329 km (0.059 R)
• M2: 616,493 km (0.094 R)
• M3: 1,151,604 km (0.094 R)
• M4: 1,897,649 km (0.082 R)
• M5: 3,054,190 km (0.093 R)
• M6: 3,656,471 km (0.037 R)
• M7: 4,337,441 km (0.075 R)
• M8: 5,407,215 km (0.104 R)
• M9: 6,433,307 km (0.109 R)
• M10: 7,199,398 km (0.104 R)
• M11: 7,703,692 km (0.11 R)
• M12: 8,314,949 km (0.087 R)
• M13: 9,046,632 km (0.076 R)
• M14: 10,057,016 km (0.101 R)
• M15: 10,738,285 km (0.117 R)
• M16: 13,310,620 km (0.1 R)
• M17: 14,132,511 km (0.073 R)
• M18: 14,740,177 km (0.107 R)
• M19: 17,073,306 km (0.062 R)
• M20: 17,693,239 km (0.118 R)
• M21: 19,198,044 km (0.086 R)
• M22: 22,707,760 km (0.113 R)
• M23: 30,165,962 km (0.076 R)
• M24: 30,768,392 km (0.082 R)
• M25: 32,414,418 km (0.09 R)
• M26: 40,919,206 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 832.8

Radius: 7.3

Gravity: 15.63 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.08 AU - 8.44 AU

Year: 13503 Days

Day: 19 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,847,227 km

• M1: 90,806 km (0.08 R)
• M2: 318,643 km (0.034 R)
• M3: 652,396 km (0.092 R)
• M4: 997,369 km (0.093 R)
• M5: 1,660,536 km (0.066 R)
• M6: 2,698,297 km (0.074 R)
• M7: 3,878,774 km (0.047 R)
• M8: 4,714,427 km (0.104 R)
• M9: 5,739,771 km (0.099 R)
• M10: 7,166,486 km (0.095 R)
• M11: 9,487,198 km (0.07 R)
• M12: 10,817,123 km (0.104 R)
• M13: 11,346,550 km (0.072 R)
• M14: 15,844,359 km (0.103 R)
• M15: 16,373,637 km (0.116 R)
• M16: 18,114,058 km (0.083 R)
• M17: 18,526,200 km (0.117 R)
• M18: 22,901,938 km (0.076 R)
• M19: 24,367,997 km (0.088 R)
• M20: 29,705,948 km (0.067 R)
• M21: 29,934,235 km (0.053 R)
• M22: 33,133,385 km (0.117 R)
• M23: 36,032,592 km (0.085 R)
• M24: 37,344,116 km (0.044 R)
• M25: 43,055,464 km (0.116 R)
• M26: 45,888,997 km (0.044 R)
• M27: 50,449,937 km (0.08 R)
• M28: 56,871,575 km (0.08 R)
• M29: 59,007,235 km (0.113 R)
• M30: 60,827,392 km (0.071 R)
• M31: 61,565,807 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877.1

Radius: 4.5

Gravity: 43.31 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 8.01 AU - 12.05 AU

Year: 21926 Days

Day: 22.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 93.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 87,847,227 km

• M1: 56,548 km (0.095 R)
• M2: 203,902 km (0.092 R)
• M3: 450,290 km (0.109 R)
• M4: 717,023 km (0.117 R)
• M5: 1,477,728 km (0.071 R)
• M6: 1,861,895 km (0.103 R)
• M7: 2,219,284 km (0.074 R)
• M8: 2,498,135 km (0.056 R)
• M9: 2,959,794 km (0.093 R)
• M10: 3,125,698 km (0.087 R)
• M11: 3,598,726 km (0.077 R)
• M12: 4,648,604 km (0.11 R)
• M13: 6,421,788 km (0.062 R)
• M14: 7,688,433 km (0.089 R)
• M15: 7,896,972 km (0.112 R)
• M16: 10,321,355 km (0.114 R)
• M17: 11,497,195 km (0.055 R)
• M18: 14,662,237 km (0.116 R)
• M19: 16,143,705 km (0.059 R)
• M20: 17,185,055 km (0.082 R)
• M21: 18,270,388 km (0.045 R)
• M22: 19,209,115 km (0.104 R)
• M23: 21,284,336 km (0.093 R)
• M24: 23,177,946 km (0.083 R)
• M25: 24,388,941 km (0.119 R)
• M26: 26,460,273 km (0.105 R)
• M27: 28,646,197 km (0.082 R)
• M28: 32,280,827 km (0.113 R)
• M29: 37,539,192 km (0.109 R)
• M30: 43,670,012 km (0.07 R)
• M31: 46,367,112 km (0.11 R)
• M32: 48,816,328 km (0.119 R)
• M33: 49,352,188 km (0.091 R)
• M34: 54,543,683 km (0.077 R)
• M35: 56,091,123 km (0.085 R)
• M36: 61,946,085 km (0.12 R)
• M37: 66,650,040 km (0.108 R)
• M38: 77,971,009 km (0.113 R)
• M39: 83,445,543 km (0.099 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: 459 - 15,000 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit