🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.4

Radius: 12.3

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.33 AU - 1.51 AU

Year: 1148 Days

Day: 7.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,796,901 km

• M1: 154,235 km (0.071 R)
• M2: 631,153 km (0.113 R)
• M3: 1,086,978 km (0.06 R)
• M4: 1,489,845 km (0.113 R)
• M5: 1,918,892 km (0.029 R)
• M6: 2,352,576 km (0.066 R)
• M7: 3,003,028 km (0.099 R)
• M8: 4,978,168 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496

Radius: 14.5

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.77 AU - 1.95 AU

Year: 1721 Days

Day: 14.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 131.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,796,901 km

• M1: 186,100 km (0.113 R)
• M2: 947,553 km (0.076 R)
• M3: 1,706,762 km (0.086 R)
• M4: 2,237,087 km (0.117 R)
• M5: 2,823,361 km (0.05 R)
• M6: 3,511,660 km (0.097 R)
• M7: 4,255,760 km (0.092 R)
• M8: 8,332,302 km (0.101 R)
• M9: 9,100,637 km (0.11 R)
• M10: 10,110,871 km (0.07 R)
• M11: 11,764,676 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.9

Radius: 10.2

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.56 AU - 2.64 AU

Year: 2843 Days

Day: 14.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,796,901 km

• M1: 134,189 km (0.087 R)
• M2: 832,213 km (0.054 R)
• M3: 1,213,987 km (0.062 R)
• M4: 2,461,483 km (0.09 R)
• M5: 2,888,884 km (0.076 R)
• M6: 5,492,935 km (0.104 R)
• M7: 8,124,212 km (0.101 R)
• M8: 8,792,914 km (0.067 R)
• M9: 11,763,629 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.4

Radius: 13.2

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.52 AU - 3.42 AU

Year: 3472 Days

Day: 5.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,796,901 km

• M1: 164,258 km (0.117 R)
• M2: 647,160 km (0.087 R)
• M3: 1,099,694 km (0.061 R)
• M4: 1,888,075 km (0.109 R)
• M5: 3,250,612 km (0.102 R)
• M6: 4,741,953 km (0.109 R)
• M7: 6,199,336 km (0.11 R)
• M8: 7,807,962 km (0.037 R)
• M9: 9,060,694 km (0.059 R)
• M10: 10,404,233 km (0.097 R)
• M11: 11,622,109 km (0.103 R)
• M12: 12,222,146 km (0.109 R)
• M13: 13,718,274 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.8

Radius: 12

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.62 AU - 5.66 AU

Year: 6779 Days

Day: 10.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,796,901 km

• M1: 149,299 km (0.072 R)
• M2: 541,993 km (0.064 R)
• M3: 2,228,859 km (0.088 R)
• M4: 3,380,014 km (0.11 R)
• M5: 3,948,935 km (0.071 R)
• M6: 4,471,181 km (0.069 R)
• M7: 4,950,942 km (0.068 R)
• M8: 6,047,943 km (0.111 R)
• M9: 7,149,133 km (0.115 R)
• M10: 7,968,181 km (0.111 R)
• M11: 8,633,144 km (0.119 R)
• M12: 9,380,086 km (0.118 R)
• M13: 14,613,618 km (0.07 R)
• M14: 17,327,323 km (0.119 R)
• M15: 17,810,225 km (0.096 R)
• M16: 18,658,894 km (0.114 R)
• M17: 19,608,541 km (0.08 R)
• M18: 28,209,970 km (0.041 R)
• M19: 29,558,146 km (0.12 R)
• M20: 32,279,032 km (0.12 R)
• M21: 33,860,580 km (0.072 R)
• M22: 39,744,115 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619.8

Radius: 3.4

Gravity: 53.62 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 6.31 AU - 7.11 AU

Year: 11789 Days

Day: 16.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,796,901 km

• M1: 66,870 km (0.107 R)
• M2: 338,839 km (0.069 R)
• M3: 500,854 km (0.102 R)
• M4: 654,939 km (0.109 R)
• M5: 793,318 km (0.109 R)
• M6: 930,050 km (0.101 R)
• M7: 1,523,505 km (0.12 R)
• M8: 2,074,174 km (0.086 R)
• M9: 2,790,299 km (0.057 R)
• M10: 5,443,717 km (0.119 R)
• M11: 6,236,586 km (0.047 R)
• M12: 6,426,874 km (0.11 R)
• M13: 7,062,366 km (0.115 R)
• M14: 11,264,271 km (0.098 R)
• M15: 12,184,747 km (0.111 R)
• M16: 12,422,308 km (0.068 R)
• M17: 17,172,639 km (0.104 R)
• M18: 21,504,096 km (0.113 R)
• M19: 22,645,677 km (0.1 R)
• M20: 23,919,652 km (0.084 R)
• M21: 26,808,986 km (0.105 R)
• M22: 28,859,224 km (0.093 R)
• M23: 29,069,858 km (0.113 R)
• M24: 36,118,312 km (0.102 R)
• M25: 37,227,729 km (0.076 R)
• M26: 41,222,441 km (0.105 R)
• M27: 49,747,276 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.2

Radius: 3.8

Gravity: 62.83 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.11 AU - 9.15 AU

Year: 14295 Days

Day: 20.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 66,796,901 km

• M1: 49,517 km (0.113 R)
• M2: 190,588 km (0.12 R)
• M3: 430,094 km (0.076 R)
• M4: 787,483 km (0.055 R)
• M5: 1,065,436 km (0.045 R)
• M6: 1,247,796 km (0.118 R)
• M7: 1,709,156 km (0.099 R)
• M8: 1,849,478 km (0.101 R)
• M9: 2,275,832 km (0.112 R)
• M10: 2,860,311 km (0.063 R)
• M11: 3,293,098 km (0.061 R)
• M12: 3,738,900 km (0.098 R)
• M13: 4,448,741 km (0.11 R)
• M14: 5,207,651 km (0.032 R)
• M15: 7,021,675 km (0.09 R)
• M16: 7,521,931 km (0.088 R)
• M17: 7,662,403 km (0.096 R)
• M18: 13,548,182 km (0.043 R)
• M19: 14,537,323 km (0.061 R)
• M20: 15,422,792 km (0.047 R)
• M21: 16,897,229 km (0.083 R)
• M22: 19,412,568 km (0.11 R)
• M23: 23,238,084 km (0.118 R)
• M24: 32,090,389 km (0.088 R)
• M25: 33,712,927 km (0.104 R)
• M26: 34,095,150 km (0.055 R)
• M27: 35,784,110 km (0.103 R)
• M28: 36,985,680 km (0.114 R)
• M29: 39,893,264 km (0.094 R)
• M30: 40,035,382 km (0.091 R)
• M31: 40,751,208 km (0.111 R)
• M32: 43,098,997 km (0.049 R)
• M33: 46,002,093 km (0.11 R)
• M34: 47,262,455 km (0.087 R)
• M35: 53,392,228 km (0.095 R)
• M36: 55,843,090 km (0.088 R)
• M37: 59,658,434 km (0.1 R)
• M38: 62,679,413 km (0.098 R)
• M39: 64,814,325 km (0.079 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 510 - 13,413 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit