🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800

Radius: 8.6

Gravity: 10.82 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.66 AU - 0.8 AU

Year: 409 Days

Day: 8.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,699,564 km

• M1: 107,112 km (0.106 R)
• M2: 379,380 km (0.04 R)
• M3: 650,601 km (0.104 R)
• M4: 1,140,833 km (0.04 R)
• M5: 1,558,062 km (0.089 R)
• M6: 1,830,330 km (0.064 R)
• M7: 2,100,205 km (0.082 R)
• M8: 2,541,069 km (0.096 R)
• M9: 2,868,390 km (0.098 R)
• M10: 3,983,343 km (0.08 R)
• M11: 4,513,817 km (0.051 R)
• M12: 4,887,961 km (0.071 R)
• M13: 5,218,123 km (0.105 R)
• M14: 5,715,686 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.4

Radius: 11.6

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.76 AU - 1.88 AU

Year: 1611 Days

Day: 5.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,699,564 km

• M1: 144,362 km (0.118 R)
• M2: 512,822 km (0.031 R)
• M3: 955,781 km (0.091 R)
• M4: 1,488,200 km (0.073 R)
• M5: 2,670,920 km (0.063 R)
• M6: 4,259,500 km (0.035 R)
• M7: 6,022,810 km (0.109 R)
• M8: 6,404,135 km (0.07 R)
• M9: 7,315,336 km (0.088 R)
• M10: 7,934,073 km (0.062 R)
• M11: 9,786,394 km (0.031 R)
• M12: 10,346,787 km (0.062 R)
• M13: 10,829,988 km (0.105 R)
• M14: 11,463,535 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.2

Radius: 13.4

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.25 AU - 4.61 AU

Year: 5111 Days

Day: 5.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,699,564 km

• M1: 170,392 km (0.088 R)
• M2: 835,355 km (0.049 R)
• M3: 1,346,082 km (0.085 R)
• M4: 2,808,251 km (0.064 R)
• M5: 3,605,159 km (0.106 R)
• M6: 5,560,254 km (0.108 R)
• M7: 6,108,380 km (0.111 R)
• M8: 9,992,240 km (0.059 R)
• M9: 13,069,768 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.5

Radius: 10.2

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.95 AU - 5.31 AU

Year: 7622 Days

Day: 5.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 25,699,564 km

• M1: 128,505 km (0.05 R)
• M2: 446,550 km (0.094 R)
• M3: 921,672 km (0.12 R)
• M4: 1,669,063 km (0.071 R)
• M5: 2,411,218 km (0.067 R)
• M6: 2,760,679 km (0.115 R)
• M7: 4,069,361 km (0.085 R)
• M8: 6,279,221 km (0.074 R)
• M9: 7,506,372 km (0.109 R)
• M10: 8,843,927 km (0.073 R)
• M11: 9,591,916 km (0.069 R)
• M12: 10,525,407 km (0.075 R)
• M13: 12,302,929 km (0.069 R)
• M14: 14,154,502 km (0.097 R)
• M15: 15,802,023 km (0.103 R)
• M16: 16,120,667 km (0.049 R)
• M17: 17,370,706 km (0.077 R)
• M18: 17,710,144 km (0.11 R)
• M19: 19,988,519 km (0.095 R)
• M20: 20,738,902 km (0.057 R)
• M21: 24,349,746 km (0.062 R)
• M22: 26,616,453 km (0.1 R)
• M23: 33,832,456 km (0.074 R)
• M24: 34,149,753 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.1

Radius: 13.9

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.49 AU - 6.59 AU

Year: 8554 Days

Day: 8.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,699,564 km

• M1: 172,935 km (0.051 R)
• M2: 839,094 km (0.057 R)
• M3: 1,339,948 km (0.118 R)
• M4: 2,886,192 km (0.108 R)
• M5: 3,477,851 km (0.086 R)
• M6: 4,571,711 km (0.069 R)
• M7: 5,229,194 km (0.117 R)
• M8: 8,060,333 km (0.108 R)
• M9: 14,414,054 km (0.103 R)
• M10: 17,679,028 km (0.095 R)
• M11: 19,888,738 km (0.075 R)
• M12: 21,958,424 km (0.109 R)
• M13: 30,482,810 km (0.041 R)
• M14: 37,363,863 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.1

Radius: 4.7

Gravity: 18.75 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.15 AU - 6.75 AU

Year: 9521 Days

Day: 24.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 25,699,564 km

• M1: 62,532 km (0.076 R)
• M2: 426,354 km (0.1 R)
• M3: 881,879 km (0.118 R)
• M4: 1,317,957 km (0.107 R)
• M5: 1,611,468 km (0.09 R)
• M6: 2,258,928 km (0.072 R)
• M7: 4,362,872 km (0.118 R)
• M8: 5,470,794 km (0.071 R)
• M9: 5,726,008 km (0.081 R)
• M10: 7,621,563 km (0.092 R)
• M11: 9,529,085 km (0.11 R)
• M12: 14,017,470 km (0.095 R)
• M13: 14,922,238 km (0.071 R)
• M14: 15,801,275 km (0.056 R)
• M15: 17,387,611 km (0.086 R)
• M16: 18,360,446 km (0.056 R)
• M17: 18,716,489 km (0.088 R)
• M18: 19,004,614 km (0.117 R)
• M19: 20,186,886 km (0.067 R)
• M20: 20,950,284 km (0.115 R)
• M21: 22,051,025 km (0.075 R)
• M22: 23,189,764 km (0.065 R)
• M23: 25,672,191 km (0.096 R)
• M24: 27,576,572 km (0.103 R)
• M25: 30,457,528 km (0.043 R)
• M26: 32,797,538 km (0.084 R)
• M27: 34,064,782 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 411.3

Radius: 4.4

Gravity: 21.24 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 6.35 AU - 7.37 AU

Year: 11787 Days

Day: 20.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 25,699,564 km

• M1: 54,753 km (0.114 R)
• M2: 304,581 km (0.106 R)
• M3: 554,559 km (0.047 R)
• M4: 767,437 km (0.103 R)
• M5: 1,012,628 km (0.104 R)
• M6: 1,358,648 km (0.079 R)
• M7: 1,825,992 km (0.062 R)
• M8: 2,175,003 km (0.05 R)
• M9: 2,356,017 km (0.064 R)
• M10: 2,769,356 km (0.091 R)
• M11: 4,134,137 km (0.077 R)
• M12: 4,884,670 km (0.093 R)
• M13: 5,292,174 km (0.115 R)
• M14: 5,454,787 km (0.089 R)
• M15: 5,755,928 km (0.055 R)
• M16: 5,893,408 km (0.025 R)
• M17: 6,210,406 km (0.106 R)
• M18: 7,072,539 km (0.107 R)
• M19: 7,884,705 km (0.09 R)
• M20: 10,435,798 km (0.084 R)
• M21: 12,091,697 km (0.117 R)
• M22: 13,070,366 km (0.093 R)
• M23: 15,446,579 km (0.068 R)
• M24: 17,016,459 km (0.066 R)
• M25: 17,514,620 km (0.101 R)
• M26: 18,243,012 km (0.1 R)
• M27: 22,956,392 km (0.075 R)
• M28: 23,389,627 km (0.069 R)
• M29: 24,812,452 km (0.103 R)
• M30: 28,222,835 km (0.111 R)
• M31: 34,240,409 km (0.079 R)
• M32: 35,033,577 km (0.107 R)
• M33: 36,774,448 km (0.09 R)
• M34: 37,966,593 km (0.107 R)
• M35: 40,302,115 km (0.093 R)
• M36: 40,805,811 km (0.077 R)
• M37: 42,341,733 km (0.117 R)
• M38: 44,449,118 km (0.031 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 381.8

Radius: 6.8

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.64 AU - 9.06 AU

Year: 15828 Days

Day: 15.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 25,699,564 km

• M1: 90,806 km (0.083 R)
• M2: 352,004 km (0.119 R)
• M3: 1,572,573 km (0.117 R)
• M4: 1,804,749 km (0.101 R)
• M5: 2,186,971 km (0.104 R)
• M6: 4,579,340 km (0.093 R)
• M7: 5,057,156 km (0.103 R)
• M8: 6,224,917 km (0.09 R)
• M9: 6,651,421 km (0.112 R)
• M10: 7,562,621 km (0.1 R)
• M11: 8,368,056 km (0.114 R)
• M12: 9,032,869 km (0.117 R)
• M13: 10,903,890 km (0.092 R)
• M14: 11,295,686 km (0.066 R)
• M15: 16,390,092 km (0.12 R)
• M16: 19,310,991 km (0.115 R)
• M17: 28,093,283 km (0.032 R)
• M18: 30,012,026 km (0.115 R)
• M19: 30,340,094 km (0.075 R)
• M20: 30,892,259 km (0.102 R)
• M21: 33,871,651 km (0.104 R)
• M22: 40,661,000 km (0.074 R)
• M23: 46,528,977 km (0.111 R)
• M24: 49,664,100 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 30.5

Radius: 7.2

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 8.15 AU - 10.45 AU

Year: 18605 Days

Day: 17.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,699,564 km

• M1: 103,671 km (0.114 R)
• M2: 330,163 km (0.099 R)
• M3: 1,334,862 km (0.087 R)
• M4: 1,728,603 km (0.037 R)
• M5: 6,646,933 km (0.118 R)
• M6: 12,056,840 km (0.084 R)
• M7: 14,839,062 km (0.093 R)
• M8: 15,214,552 km (0.094 R)
• M9: 25,089,807 km (0.092 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 10,355 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit