🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.5

Radius: 10.4

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.56 AU - 0.58 AU

Year: 302 Days

Day: 11 Hours

Environment

Temp: -145 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,558,721 km

• M1: 129,402 km (0.035 R)
• M2: 498,311 km (0.099 R)
• M3: 1,226,254 km (0.103 R)
• M4: 1,884,185 km (0.108 R)
• M5: 2,294,083 km (0.109 R)
• M6: 2,744,822 km (0.07 R)
• M7: 3,348,449 km (0.072 R)
• M8: 3,919,315 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.9

Radius: 9.1

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.94 AU - 1.08 AU

Year: 713 Days

Day: 6.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,558,721 km

• M1: 113,246 km (0.061 R)
• M2: 996,471 km (0.113 R)
• M3: 1,319,154 km (0.061 R)
• M4: 1,743,563 km (0.113 R)
• M5: 2,063,703 km (0.117 R)
• M6: 2,504,119 km (0.078 R)
• M7: 4,286,278 km (0.117 R)
• M8: 5,089,320 km (0.101 R)
• M9: 5,430,403 km (0.081 R)
• M10: 5,933,650 km (0.061 R)
• M11: 6,331,281 km (0.111 R)
• M12: 6,991,905 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.9

Radius: 14.5

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.62 AU - 1.76 AU

Year: 1544 Days

Day: 7.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,558,721 km

• M1: 181,163 km (0.084 R)
• M2: 775,964 km (0.053 R)
• M3: 1,434,644 km (0.096 R)
• M4: 2,157,500 km (0.047 R)
• M5: 3,889,694 km (0.083 R)
• M6: 4,712,632 km (0.048 R)
• M7: 6,254,388 km (0.103 R)
• M8: 6,706,173 km (0.068 R)
• M9: 7,596,131 km (0.113 R)
• M10: 8,166,997 km (0.088 R)
• M11: 8,621,176 km (0.045 R)
• M12: 9,242,904 km (0.052 R)
• M13: 9,705,162 km (0.071 R)
• M14: 11,464,134 km (0.096 R)
• M15: 12,438,016 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.9

Radius: 12.1

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.9 AU - 3.2 AU

Year: 3744 Days

Day: 7.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,558,721 km

• M1: 150,495 km (0.114 R)
• M2: 746,793 km (0.09 R)
• M3: 1,128,417 km (0.096 R)
• M4: 2,125,337 km (0.101 R)
• M5: 2,639,505 km (0.058 R)
• M6: 4,277,452 km (0.077 R)
• M7: 4,787,431 km (0.072 R)
• M8: 9,363,181 km (0.106 R)
• M9: 10,226,361 km (0.1 R)
• M10: 11,458,898 km (0.062 R)
• M11: 12,028,267 km (0.114 R)
• M12: 13,179,722 km (0.038 R)
• M13: 15,999,941 km (0.099 R)
• M14: 18,198,731 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113

Radius: 8.3

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.16 AU - 4.54 AU

Year: 6377 Days

Day: 8.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,558,721 km

• M1: 295,755 km (0.119 R)
• M2: 691,591 km (0.072 R)
• M3: 1,084,585 km (0.111 R)
• M4: 2,452,956 km (0.115 R)
• M5: 3,672,329 km (0.073 R)
• M6: 5,301,898 km (0.06 R)
• M7: 7,733,312 km (0.069 R)
• M8: 8,342,176 km (0.064 R)
• M9: 9,051,868 km (0.113 R)
• M10: 11,627,195 km (0.115 R)
• M11: 14,039,311 km (0.104 R)
• M12: 15,586,453 km (0.063 R)
• M13: 17,297,553 km (0.03 R)
• M14: 19,477,044 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.4

Radius: 8

Gravity: 15.27 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.24 AU - 5.44 AU

Year: 7485 Days

Day: 11.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 130 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,558,721 km

• M1: 99,483 km (0.041 R)
• M2: 444,006 km (0.089 R)
• M3: 1,526,796 km (0.057 R)
• M4: 2,153,162 km (0.058 R)
• M5: 2,692,014 km (0.106 R)
• M6: 4,447,993 km (0.115 R)
• M7: 4,707,695 km (0.104 R)
• M8: 5,289,482 km (0.086 R)
• M9: 5,883,983 km (0.107 R)
• M10: 6,449,015 km (0.093 R)
• M11: 8,276,203 km (0.059 R)
• M12: 9,122,927 km (0.097 R)
• M13: 10,729,010 km (0.116 R)
• M14: 12,401,663 km (0.065 R)
• M15: 12,744,392 km (0.069 R)
• M16: 18,749,700 km (0.073 R)
• M17: 23,081,455 km (0.038 R)
• M18: 24,841,774 km (0.085 R)
• M19: 25,295,354 km (0.063 R)
• M20: 28,627,497 km (0.109 R)
• M21: 29,732,278 km (0.053 R)
• M22: 30,865,332 km (0.11 R)
• M23: 38,154,339 km (0.108 R)
• M24: 40,109,732 km (0.089 R)
• M25: 42,517,211 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261

Radius: 7.7

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.36 AU - 5.98 AU

Year: 9490 Days

Day: 17.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,558,721 km

• M1: 95,743 km (0.096 R)
• M2: 704,456 km (0.071 R)
• M3: 1,365,081 km (0.06 R)
• M4: 1,644,081 km (0.098 R)
• M5: 2,610,483 km (0.109 R)
• M6: 3,525,872 km (0.052 R)
• M7: 7,003,424 km (0.109 R)
• M8: 7,766,224 km (0.078 R)
• M9: 8,304,776 km (0.099 R)
• M10: 9,716,232 km (0.089 R)
• M11: 11,136,514 km (0.08 R)
• M12: 13,113,450 km (0.109 R)
• M13: 14,212,994 km (0.062 R)
• M14: 14,554,526 km (0.066 R)
• M15: 15,793,197 km (0.103 R)
• M16: 16,469,379 km (0.105 R)
• M17: 20,071,397 km (0.084 R)
• M18: 20,937,718 km (0.069 R)
• M19: 22,359,945 km (0.08 R)
• M20: 22,977,635 km (0.088 R)
• M21: 25,562,686 km (0.086 R)
• M22: 30,542,200 km (0.076 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 18,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit