🌌 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: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.3

Radius: 8.8

Gravity: 11.1 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.46 AU - 0.7 AU

Year: 300 Days

Day: 11.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,814,093 km

• M1: 109,506 km (0.084 R)
• M2: 407,804 km (0.106 R)
• M3: 925,263 km (0.113 R)
• M4: 1,232,836 km (0.071 R)
• M5: 1,767,948 km (0.055 R)
• M6: 2,158,847 km (0.116 R)
• M7: 2,778,930 km (0.066 R)
• M8: 3,115,226 km (0.049 R)
• M9: 3,821,178 km (0.051 R)
• M10: 4,478,661 km (0.069 R)
• M11: 4,770,377 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.4

Radius: 12.7

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.26 AU - 1.34 AU

Year: 1005 Days

Day: 13.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,814,093 km

• M1: 157,975 km (0.045 R)
• M2: 710,291 km (0.1 R)
• M3: 1,153,848 km (0.083 R)
• M4: 1,815,221 km (0.115 R)
• M5: 2,321,609 km (0.09 R)
• M6: 2,857,319 km (0.045 R)
• M7: 3,669,337 km (0.081 R)
• M8: 4,811,367 km (0.106 R)
• M9: 5,425,167 km (0.098 R)
• M10: 6,069,036 km (0.11 R)
• M11: 6,465,919 km (0.1 R)
• M12: 7,635,475 km (0.119 R)
• M13: 8,364,466 km (0.114 R)
• M14: 8,857,241 km (0.081 R)
• M15: 9,485,851 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.6

Radius: 10.2

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.45 AU - 1.49 AU

Year: 1209 Days

Day: 10.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,814,093 km

• M1: 126,859 km (0.081 R)
• M2: 461,659 km (0.098 R)
• M3: 796,010 km (0.075 R)
• M4: 1,246,599 km (0.112 R)
• M5: 1,864,289 km (0.061 R)
• M6: 3,327,505 km (0.092 R)
• M7: 4,288,073 km (0.051 R)
• M8: 4,686,153 km (0.055 R)
• M9: 5,731,842 km (0.085 R)
• M10: 6,092,523 km (0.106 R)
• M11: 7,980,747 km (0.084 R)
• M12: 8,559,541 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.7

Radius: 13.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.24 AU - 3.44 AU

Year: 3246 Days

Day: 6.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,814,093 km

• M1: 171,738 km (0.104 R)
• M2: 760,256 km (0.107 R)
• M3: 1,201,271 km (0.12 R)
• M4: 1,676,992 km (0.101 R)
• M5: 2,122,794 km (0.102 R)
• M6: 2,718,941 km (0.084 R)
• M7: 3,229,968 km (0.118 R)
• M8: 5,185,511 km (0.092 R)
• M9: 6,327,541 km (0.111 R)
• M10: 7,660,009 km (0.081 R)
• M11: 10,051,182 km (0.113 R)
• M12: 11,474,456 km (0.088 R)
• M13: 13,533,371 km (0.115 R)
• M14: 15,036,381 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.9

Radius: 14

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.63 AU - 5.35 AU

Year: 6453 Days

Day: 11.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,814,093 km

• M1: 177,722 km (0.078 R)
• M2: 636,389 km (0.087 R)
• M3: 1,349,522 km (0.083 R)
• M4: 2,117,109 km (0.099 R)
• M5: 2,566,501 km (0.116 R)
• M6: 3,308,955 km (0.106 R)
• M7: 5,961,625 km (0.088 R)
• M8: 7,796,143 km (0.077 R)
• M9: 9,270,281 km (0.085 R)
• M10: 9,755,876 km (0.092 R)
• M11: 10,730,356 km (0.119 R)
• M12: 11,768,715 km (0.075 R)
• M13: 12,233,815 km (0.039 R)
• M14: 13,091,160 km (0.089 R)
• M15: 14,628,278 km (0.107 R)
• M16: 15,106,094 km (0.09 R)
• M17: 15,904,647 km (0.116 R)
• M18: 16,666,699 km (0.119 R)
• M19: 17,923,022 km (0.055 R)
• M20: 18,539,664 km (0.087 R)
• M21: 21,225,245 km (0.12 R)
• M22: 25,167,897 km (0.101 R)
• M23: 28,174,665 km (0.077 R)
• M24: 28,636,324 km (0.059 R)
• M25: 29,385,211 km (0.098 R)
• M26: 33,636,932 km (0.115 R)
• M27: 35,639,898 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.5

Radius: 12.7

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.84 AU - 5.38 AU

Year: 6713 Days

Day: 8.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,814,093 km

• M1: 163,361 km (0.113 R)
• M2: 691,741 km (0.045 R)
• M3: 1,710,652 km (0.108 R)
• M4: 4,194,276 km (0.103 R)
• M5: 6,505,263 km (0.113 R)
• M6: 10,478,433 km (0.091 R)
• M7: 15,611,435 km (0.08 R)
• M8: 16,468,781 km (0.027 R)
• M9: 20,958,362 km (0.087 R)
• M10: 21,790,276 km (0.08 R)
• M11: 24,570,403 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424

Radius: 8.5

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.03 AU - 5.39 AU

Year: 6933 Days

Day: 8.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,814,093 km

• M1: 105,766 km (0.099 R)
• M2: 464,202 km (0.071 R)
• M3: 790,924 km (0.12 R)
• M4: 1,160,580 km (0.118 R)
• M5: 1,461,422 km (0.082 R)
• M6: 1,983,069 km (0.101 R)
• M7: 2,255,936 km (0.105 R)
• M8: 3,090,243 km (0.118 R)
• M9: 3,459,451 km (0.094 R)
• M10: 4,336,393 km (0.044 R)
• M11: 5,383,130 km (0.09 R)
• M12: 8,233,418 km (0.083 R)
• M13: 8,624,168 km (0.104 R)
• M14: 9,150,453 km (0.098 R)
• M15: 9,527,290 km (0.115 R)
• M16: 12,209,430 km (0.096 R)
• M17: 12,666,452 km (0.077 R)
• M18: 14,272,684 km (0.084 R)
• M19: 15,830,447 km (0.096 R)
• M20: 16,374,085 km (0.067 R)
• M21: 20,180,304 km (0.051 R)
• M22: 21,035,405 km (0.031 R)
• M23: 21,325,775 km (0.089 R)
• M24: 26,935,545 km (0.073 R)
• M25: 27,278,125 km (0.085 R)
• M26: 29,757,560 km (0.096 R)
• M27: 30,678,484 km (0.115 R)
• M28: 31,145,828 km (0.107 R)
• M29: 31,808,247 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 835.6

Radius: 3.6

Gravity: 64.48 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.42 AU - 6.92 AU

Year: 11684 Days

Day: 23.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 56,814,093 km

• M1: 45,927 km (0.074 R)
• M2: 161,117 km (0.109 R)
• M3: 277,354 km (0.116 R)
• M4: 440,267 km (0.082 R)
• M5: 975,079 km (0.101 R)
• M6: 1,415,046 km (0.116 R)
• M7: 2,084,946 km (0.098 R)
• M8: 2,606,145 km (0.06 R)
• M9: 2,805,259 km (0.087 R)
• M10: 2,943,637 km (0.118 R)
• M11: 3,159,806 km (0.03 R)
• M12: 4,220,754 km (0.099 R)
• M13: 4,558,397 km (0.102 R)
• M14: 4,685,405 km (0.086 R)
• M15: 5,679,334 km (0.11 R)
• M16: 5,901,187 km (0.044 R)
• M17: 6,014,283 km (0.119 R)
• M18: 6,561,363 km (0.116 R)
• M19: 8,306,571 km (0.098 R)
• M20: 9,133,698 km (0.1 R)
• M21: 12,993,772 km (0.119 R)
• M22: 13,640,035 km (0.101 R)
• M23: 16,664,305 km (0.088 R)
• M24: 25,460,211 km (0.114 R)
• M25: 28,784,874 km (0.106 R)
• M26: 29,110,698 km (0.078 R)
• M27: 30,663,524 km (0.116 R)
• M28: 38,731,487 km (0.098 R)
• M29: 39,796,175 km (0.038 R)
• M30: 47,649,315 km (0.049 R)
• M31: 52,661,891 km (0.091 R)
• M32: 53,475,554 km (0.112 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 12,247 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit