🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.5

Radius: 12.8

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.52 AU - 0.66 AU

Year: 319 Days

Day: 5.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,559,233 km

• M1: 159,471 km (0.097 R)
• M2: 565,929 km (0.082 R)
• M3: 1,072,766 km (0.077 R)
• M4: 1,637,797 km (0.038 R)
• M5: 2,405,833 km (0.076 R)
• M6: 2,822,912 km (0.119 R)
• M7: 3,760,442 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.5

Radius: 10.8

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.64 AU - 0.66 AU

Year: 368 Days

Day: 12.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 54,559,233 km

• M1: 134,339 km (0.084 R)
• M2: 514,168 km (0.102 R)
• M3: 1,121,685 km (0.113 R)
• M4: 1,925,325 km (0.039 R)
• M5: 2,442,933 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930

Radius: 12.4

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.95 AU - 1.57 AU

Year: 994 Days

Day: 14.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,559,233 km

• M1: 158,424 km (0.108 R)
• M2: 569,070 km (0.06 R)
• M3: 963,111 km (0.061 R)
• M4: 1,627,176 km (0.094 R)
• M5: 2,461,932 km (0.038 R)
• M6: 3,369,991 km (0.098 R)
• M7: 3,765,678 km (0.045 R)
• M8: 4,261,295 km (0.119 R)
• M9: 5,145,269 km (0.03 R)
• M10: 5,907,171 km (0.059 R)
• M11: 8,075,443 km (0.102 R)
• M12: 8,761,798 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.1

Radius: 13.9

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.67 AU - 2.19 AU

Year: 1885 Days

Day: 8.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,559,233 km

• M1: 173,384 km (0.104 R)
• M2: 699,370 km (0.101 R)
• M3: 1,677,740 km (0.109 R)
• M4: 2,327,444 km (0.045 R)
• M5: 4,220,006 km (0.04 R)
• M6: 4,926,557 km (0.057 R)
• M7: 5,453,590 km (0.096 R)
• M8: 6,272,040 km (0.113 R)
• M9: 8,128,400 km (0.064 R)
• M10: 9,564,241 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.5

Radius: 8.4

Gravity: 13.92 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.91 AU - 2.25 AU

Year: 2109 Days

Day: 9.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 70.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,559,233 km

• M1: 104,419 km (0.107 R)
• M2: 677,379 km (0.041 R)
• M3: 1,023,100 km (0.051 R)
• M4: 1,397,992 km (0.111 R)
• M5: 2,081,954 km (0.1 R)
• M6: 2,767,112 km (0.107 R)
• M7: 4,239,005 km (0.088 R)
• M8: 5,167,858 km (0.091 R)
• M9: 5,988,104 km (0.066 R)
• M10: 7,574,739 km (0.119 R)
• M11: 10,077,212 km (0.104 R)
• M12: 10,453,002 km (0.108 R)
• M13: 12,218,855 km (0.073 R)
• M14: 13,758,965 km (0.114 R)
• M15: 15,823,116 km (0.113 R)
• M16: 18,529,043 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.9

Radius: 11.9

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.29 AU - 5.01 AU

Year: 7048 Days

Day: 14.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,559,233 km

• M1: 147,952 km (0.106 R)
• M2: 792,719 km (0.074 R)
• M3: 1,412,952 km (0.075 R)
• M4: 2,374,118 km (0.081 R)
• M5: 3,160,105 km (0.106 R)
• M6: 5,484,707 km (0.086 R)
• M7: 6,015,031 km (0.051 R)
• M8: 6,443,330 km (0.063 R)
• M9: 6,821,663 km (0.051 R)
• M10: 7,585,360 km (0.114 R)
• M11: 9,501,110 km (0.049 R)
• M12: 10,977,791 km (0.053 R)
• M13: 11,469,220 km (0.078 R)
• M14: 13,978,724 km (0.09 R)
• M15: 15,270,951 km (0.068 R)
• M16: 17,356,195 km (0.046 R)
• M17: 23,028,348 km (0.115 R)
• M18: 24,493,510 km (0.034 R)
• M19: 26,983,417 km (0.11 R)
• M20: 32,561,921 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704.7

Radius: 4.9

Gravity: 29.35 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.44 AU - 7.8 AU

Year: 11973 Days

Day: 21.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 54,559,233 km

• M1: 62,831 km (0.067 R)
• M2: 384,167 km (0.072 R)
• M3: 1,086,679 km (0.106 R)
• M4: 1,376,450 km (0.105 R)
• M5: 1,764,357 km (0.09 R)
• M6: 2,146,729 km (0.051 R)
• M7: 2,458,192 km (0.081 R)
• M8: 2,776,985 km (0.11 R)
• M9: 3,027,861 km (0.084 R)
• M10: 3,496,701 km (0.116 R)
• M11: 5,296,662 km (0.077 R)
• M12: 5,719,127 km (0.114 R)
• M13: 9,529,534 km (0.114 R)
• M14: 9,838,304 km (0.061 R)
• M15: 11,027,607 km (0.099 R)
• M16: 12,430,985 km (0.058 R)
• M17: 14,481,672 km (0.083 R)
• M18: 14,821,259 km (0.11 R)
• M19: 16,160,160 km (0.078 R)
• M20: 17,654,494 km (0.114 R)
• M21: 19,566,504 km (0.119 R)
• M22: 20,317,635 km (0.069 R)
• M23: 23,795,935 km (0.037 R)
• M24: 24,268,814 km (0.03 R)
• M25: 26,930,758 km (0.115 R)
• M26: 28,173,917 km (0.119 R)
• M27: 28,490,466 km (0.098 R)
• M28: 28,702,895 km (0.104 R)
• M29: 32,593,636 km (0.118 R)
• M30: 34,243,401 km (0.103 R)
• M31: 37,453,772 km (0.115 R)
• M32: 38,610,163 km (0.056 R)
• M33: 39,394,206 km (0.105 R)
• M34: 40,188,870 km (0.101 R)
• M35: 43,193,842 km (0.086 R)
• M36: 45,615,832 km (0.057 R)
• M37: 45,906,650 km (0.069 R)
• M38: 46,198,665 km (0.073 R)
• M39: 47,528,141 km (0.074 R)
• M40: 54,559,241 km (0.092 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 16,123 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit