🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.8

Radius: 12.5

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.9 AU - 0.94 AU

Year: 588 Days

Day: 12.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,130,200 km

• M1: 181,761 km (0.077 R)
• M2: 710,440 km (0.102 R)
• M3: 1,159,383 km (0.064 R)
• M4: 1,644,978 km (0.117 R)
• M5: 2,187,420 km (0.045 R)
• M6: 2,754,994 km (0.079 R)
• M7: 3,819,084 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.7

Radius: 14.8

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.94 AU - 0.96 AU

Year: 617 Days

Day: 5.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,130,200 km

• M1: 184,155 km (0.082 R)
• M2: 742,753 km (0.08 R)
• M3: 1,278,463 km (0.111 R)
• M4: 2,153,761 km (0.041 R)
• M5: 2,847,147 km (0.055 R)
• M6: 3,389,888 km (0.105 R)
• M7: 5,304,441 km (0.041 R)
• M8: 6,353,721 km (0.082 R)
• M9: 7,222,735 km (0.106 R)
• M10: 7,931,380 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.4

Radius: 12.7

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.29 AU - 1.31 AU

Year: 988 Days

Day: 9.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,130,200 km

• M1: 157,975 km (0.114 R)
• M2: 671,545 km (0.104 R)
• M3: 1,132,755 km (0.112 R)
• M4: 1,672,205 km (0.119 R)
• M5: 2,479,884 km (0.063 R)
• M6: 3,031,152 km (0.058 R)
• M7: 3,797,243 km (0.06 R)
• M8: 4,382,470 km (0.106 R)
• M9: 4,972,783 km (0.095 R)
• M10: 5,478,872 km (0.09 R)
• M11: 5,936,941 km (0.084 R)
• M12: 7,857,179 km (0.104 R)
• M13: 8,545,928 km (0.086 R)
• M14: 9,358,095 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952.7

Radius: 7.9

Gravity: 15.27 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.84 AU - 7.02 AU

Year: 9630 Days

Day: 16.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,130,200 km

• M1: 98,435 km (0.052 R)
• M2: 533,915 km (0.053 R)
• M3: 1,462,618 km (0.069 R)
• M4: 2,779,080 km (0.081 R)
• M5: 3,116,722 km (0.112 R)
• M6: 3,874,435 km (0.054 R)
• M7: 4,152,687 km (0.099 R)
• M8: 5,003,750 km (0.095 R)
• M9: 7,087,947 km (0.099 R)
• M10: 7,505,475 km (0.032 R)
• M11: 8,117,629 km (0.101 R)
• M12: 12,812,310 km (0.096 R)
• M13: 13,814,017 km (0.075 R)
• M14: 14,072,373 km (0.104 R)
• M15: 14,532,236 km (0.12 R)
• M16: 17,205,999 km (0.118 R)
• M17: 17,580,592 km (0.097 R)
• M18: 22,510,440 km (0.081 R)
• M19: 26,462,816 km (0.114 R)
• M20: 27,062,704 km (0.098 R)
• M21: 28,811,802 km (0.072 R)
• M22: 33,337,736 km (0.116 R)
• M23: 34,037,405 km (0.06 R)
• M24: 34,746,948 km (0.059 R)
• M25: 37,935,776 km (0.077 R)
• M26: 39,341,846 km (0.104 R)
• M27: 39,601,100 km (0.09 R)
• M28: 41,582,523 km (0.085 R)
• M29: 42,529,478 km (0.113 R)
• M30: 44,325,999 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 222.8

Radius: 6.9

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.84 AU - 7.96 AU

Year: 10797 Days

Day: 18 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,130,200 km

• M1: 97,687 km (0.103 R)
• M2: 338,540 km (0.087 R)
• M3: 1,126,771 km (0.062 R)
• M4: 1,556,865 km (0.086 R)
• M5: 2,367,835 km (0.103 R)
• M6: 2,973,856 km (0.085 R)
• M7: 4,283,286 km (0.078 R)
• M8: 5,688,010 km (0.095 R)
• M9: 10,263,012 km (0.112 R)
• M10: 12,576,992 km (0.049 R)
• M11: 16,070,551 km (0.113 R)
• M12: 21,338,939 km (0.106 R)
• M13: 23,750,158 km (0.11 R)

Asteroid Belt

Center: 7.14 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.7

Radius: 7.9

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 7.73 AU - 8.03 AU

Year: 14751 Days

Day: 17.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,130,200 km

• M1: 98,286 km (0.097 R)
• M2: 940,372 km (0.114 R)
• M3: 1,235,978 km (0.102 R)
• M4: 1,774,081 km (0.108 R)
• M5: 2,159,595 km (0.077 R)
• M6: 4,173,481 km (0.103 R)
• M7: 5,410,357 km (0.049 R)
• M8: 6,524,711 km (0.096 R)
• M9: 7,156,463 km (0.114 R)
• M10: 7,613,933 km (0.07 R)
• M11: 11,661,004 km (0.077 R)
• M12: 16,021,633 km (0.115 R)
• M13: 16,588,609 km (0.103 R)
• M14: 17,612,756 km (0.105 R)
• M15: 18,601,149 km (0.088 R)
• M16: 18,912,462 km (0.114 R)
• M17: 19,227,366 km (0.114 R)
• M18: 19,948,577 km (0.052 R)
• M19: 23,015,034 km (0.066 R)
• M20: 24,566,663 km (0.113 R)
• M21: 24,941,555 km (0.094 R)
• M22: 25,511,224 km (0.082 R)
• M23: 27,072,727 km (0.095 R)
• M24: 29,744,245 km (0.051 R)
• M25: 30,600,394 km (0.032 R)
• M26: 33,726,541 km (0.035 R)
• M27: 36,692,169 km (0.065 R)
• M28: 37,059,282 km (0.102 R)
• M29: 43,956,791 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.5

Radius: 7.5

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 8.85 AU - 11.95 AU

Year: 22366 Days

Day: 16.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,130,200 km

• M1: 93,349 km (0.077 R)
• M2: 891,753 km (0.111 R)
• M3: 3,244,628 km (0.108 R)
• M4: 3,519,290 km (0.116 R)
• M5: 6,395,459 km (0.077 R)
• M6: 6,917,854 km (0.104 R)
• M7: 14,315,020 km (0.057 R)
• M8: 15,824,014 km (0.106 R)
• M9: 24,043,669 km (0.079 R)
• M10: 28,762,584 km (0.051 R)
• M11: 30,302,395 km (0.111 R)
• M12: 30,665,320 km (0.052 R)
• M13: 44,493,249 km (0.075 R)
• M14: 53,272,400 km (0.117 R)
• M15: 63,731,086 km (0.07 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 14,846 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit