🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.4

Radius: 14.8

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.94 AU - 0.94 AU

Year: 629 Days

Day: 12.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,354,074 km

• M1: 184,155 km (0.088 R)
• M2: 817,403 km (0.115 R)
• M3: 1,286,841 km (0.057 R)
• M4: 1,799,962 km (0.088 R)
• M5: 2,769,505 km (0.107 R)
• M6: 3,270,209 km (0.088 R)
• M7: 3,940,408 km (0.084 R)
• M8: 4,670,296 km (0.111 R)
• M9: 5,788,690 km (0.094 R)
• M10: 6,382,743 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.6

Radius: 12.3

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.88 AU - 1.2 AU

Year: 732 Days

Day: 12.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 53,354,074 km

• M1: 153,039 km (0.107 R)
• M2: 1,023,399 km (0.111 R)
• M3: 1,584,092 km (0.088 R)
• M4: 2,175,602 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.3

Radius: 11.7

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.23 AU - 1.31 AU

Year: 988 Days

Day: 12.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,354,074 km

• M1: 145,858 km (0.032 R)
• M2: 580,889 km (0.1 R)
• M3: 979,567 km (0.108 R)
• M4: 1,438,384 km (0.037 R)
• M5: 2,175,303 km (0.109 R)
• M6: 2,582,508 km (0.119 R)
• M7: 3,289,956 km (0.085 R)
• M8: 3,674,572 km (0.115 R)
• M9: 4,072,802 km (0.026 R)
• M10: 4,499,904 km (0.057 R)
• M11: 5,485,305 km (0.079 R)
• M12: 5,943,374 km (0.12 R)
• M13: 6,517,680 km (0.061 R)
• M14: 6,889,132 km (0.045 R)
• M15: 9,483,907 km (0.102 R)
• M16: 10,362,645 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.8

Radius: 11.4

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.75 AU - 4.01 AU

Year: 4289 Days

Day: 6.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,354,074 km

• M1: 152,889 km (0.097 R)
• M2: 596,896 km (0.028 R)
• M3: 1,232,836 km (0.066 R)
• M4: 1,614,460 km (0.054 R)
• M5: 2,218,836 km (0.069 R)
• M6: 2,650,575 km (0.073 R)
• M7: 3,025,019 km (0.114 R)
• M8: 3,606,057 km (0.107 R)
• M9: 5,295,316 km (0.061 R)
• M10: 6,419,693 km (0.051 R)
• M11: 7,382,206 km (0.084 R)
• M12: 9,499,914 km (0.092 R)
• M13: 10,223,369 km (0.105 R)
• M14: 10,983,326 km (0.053 R)
• M15: 12,284,528 km (0.098 R)

Asteroid Belt

Center: 5.53 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 7.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.6

Radius: 7.6

Gravity: 10.33 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7.38 AU - 7.96 AU

Year: 14662 Days

Day: 24.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,354,074 km

• M1: 94,546 km (0.049 R)
• M2: 374,144 km (0.081 R)
• M3: 972,685 km (0.116 R)
• M4: 2,138,053 km (0.069 R)
• M5: 2,580,414 km (0.086 R)
• M6: 2,823,660 km (0.098 R)
• M7: 3,356,677 km (0.096 R)
• M8: 4,817,051 km (0.116 R)
• M9: 5,222,462 km (0.079 R)
• M10: 6,218,484 km (0.059 R)
• M11: 8,151,289 km (0.026 R)
• M12: 9,228,543 km (0.086 R)
• M13: 11,191,417 km (0.114 R)
• M14: 12,208,682 km (0.099 R)
• M15: 13,681,473 km (0.074 R)
• M16: 15,848,698 km (0.107 R)
• M17: 21,836,352 km (0.106 R)
• M18: 22,665,424 km (0.079 R)
• M19: 27,550,991 km (0.087 R)
• M20: 28,193,514 km (0.104 R)
• M21: 30,294,616 km (0.116 R)
• M22: 31,557,521 km (0.049 R)
• M23: 34,311,169 km (0.086 R)
• M24: 34,681,723 km (0.101 R)
• M25: 35,305,247 km (0.049 R)
• M26: 36,574,735 km (0.053 R)
• M27: 38,402,821 km (0.11 R)
• M28: 46,325,374 km (0.117 R)
• M29: 53,928,088 km (0.038 R)
• M30: 54,261,840 km (0.084 R)
• M31: 58,374,136 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.5

Radius: 6

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 7.02 AU - 10.58 AU

Year: 18019 Days

Day: 23.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,354,074 km

• M1: 74,649 km (0.086 R)
• M2: 327,769 km (0.057 R)
• M3: 539,300 km (0.06 R)
• M4: 1,581,399 km (0.028 R)
• M5: 2,156,154 km (0.073 R)
• M6: 2,575,327 km (0.059 R)
• M7: 2,861,059 km (0.07 R)
• M8: 3,095,030 km (0.115 R)
• M9: 3,418,461 km (0.098 R)
• M10: 5,490,242 km (0.107 R)
• M11: 5,852,717 km (0.088 R)
• M12: 6,269,796 km (0.104 R)
• M13: 6,994,748 km (0.03 R)
• M14: 7,729,423 km (0.04 R)
• M15: 7,955,016 km (0.106 R)
• M16: 8,325,122 km (0.086 R)
• M17: 11,073,085 km (0.092 R)
• M18: 11,829,302 km (0.071 R)
• M19: 13,250,781 km (0.104 R)
• M20: 17,180,867 km (0.101 R)
• M21: 18,512,288 km (0.091 R)
• M22: 19,492,603 km (0.093 R)
• M23: 29,153,035 km (0.093 R)
• M24: 31,497,682 km (0.101 R)
• M25: 31,842,505 km (0.07 R)
• M26: 34,937,835 km (0.107 R)
• M27: 35,804,156 km (0.093 R)
• M28: 40,895,121 km (0.067 R)
• M29: 43,257,571 km (0.103 R)
• M30: 44,978,844 km (0.093 R)
• M31: 49,172,072 km (0.106 R)
• M32: 52,643,939 km (0.11 R)
• M33: 55,603,434 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253.8

Radius: 3.2

Gravity: 24.79 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 7.37 AU - 11.05 AU

Year: 19293 Days

Day: 15.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,354,074 km

• M1: 40,990 km (0.105 R)
• M2: 168,148 km (0.033 R)
• M3: 301,739 km (0.11 R)
• M4: 1,136,495 km (0.066 R)
• M5: 1,450,651 km (0.037 R)
• M6: 2,267,305 km (0.114 R)
• M7: 3,822,824 km (0.113 R)
• M8: 3,961,651 km (0.112 R)
• M9: 5,862,591 km (0.084 R)
• M10: 6,273,836 km (0.093 R)
• M11: 6,704,079 km (0.099 R)
• M12: 7,237,545 km (0.079 R)
• M13: 7,887,548 km (0.093 R)
• M14: 9,055,907 km (0.096 R)
• M15: 10,768,204 km (0.093 R)
• M16: 11,787,564 km (0.084 R)
• M17: 14,479,428 km (0.116 R)
• M18: 14,748,854 km (0.094 R)
• M19: 16,218,803 km (0.09 R)
• M20: 17,176,080 km (0.045 R)
• M21: 20,865,313 km (0.12 R)
• M22: 21,556,604 km (0.105 R)
• M23: 21,819,597 km (0.115 R)
• M24: 22,352,315 km (0.114 R)
• M25: 24,096,178 km (0.066 R)
• M26: 32,897,170 km (0.051 R)
• M27: 33,596,989 km (0.042 R)
• M28: 35,026,546 km (0.114 R)
• M29: 40,215,947 km (0.084 R)
• M30: 47,800,858 km (0.094 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 17,074 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit