🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.4

Radius: 9.7

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.66 AU - 1 AU

Year: 496 Days

Day: 12.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,945,741 km

• M1: 120,576 km (0.097 R)
• M2: 493,523 km (0.092 R)
• M3: 800,947 km (0.058 R)
• M4: 1,230,442 km (0.098 R)
• M5: 1,540,260 km (0.067 R)
• M6: 2,351,828 km (0.11 R)
• M7: 2,725,823 km (0.045 R)
• M8: 3,127,343 km (0.061 R)
• M9: 3,866,357 km (0.056 R)
• M10: 4,181,111 km (0.111 R)
• M11: 4,606,567 km (0.073 R)
• M12: 5,316,409 km (0.11 R)
• M13: 5,927,666 km (0.085 R)
• M14: 6,767,209 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.8

Radius: 13.9

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.89 AU - 1.39 AU

Year: 798 Days

Day: 14.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,945,741 km

• M1: 172,935 km (0.049 R)
• M2: 644,168 km (0.068 R)
• M3: 1,167,312 km (0.062 R)
• M4: 2,108,582 km (0.087 R)
• M5: 2,746,168 km (0.086 R)
• M6: 3,422,949 km (0.109 R)
• M7: 3,970,776 km (0.097 R)
• M8: 4,668,650 km (0.098 R)
• M9: 6,291,488 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.6

Radius: 13.4

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.26 AU - 1.8 AU

Year: 1241 Days

Day: 7 Hours

Environment

Temp: -173 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,945,741 km

• M1: 166,652 km (0.066 R)
• M2: 635,941 km (0.117 R)
• M3: 1,084,734 km (0.043 R)
• M4: 1,779,766 km (0.112 R)
• M5: 2,305,602 km (0.086 R)
• M6: 2,863,453 km (0.114 R)
• M7: 3,634,779 km (0.03 R)
• M8: 4,285,231 km (0.078 R)
• M9: 4,891,551 km (0.096 R)
• M10: 5,314,913 km (0.078 R)
• M11: 6,629,130 km (0.112 R)
• M12: 7,127,142 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.3

Radius: 13.6

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.5 AU - 1.98 AU

Year: 1506 Days

Day: 5.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,945,741 km

• M1: 169,195 km (0.114 R)
• M2: 637,437 km (0.108 R)
• M3: 1,075,459 km (0.055 R)
• M4: 1,551,928 km (0.064 R)
• M5: 2,018,225 km (0.098 R)
• M6: 2,828,896 km (0.076 R)
• M7: 3,457,356 km (0.074 R)
• M8: 4,159,718 km (0.081 R)
• M9: 4,796,706 km (0.073 R)
• M10: 5,390,610 km (0.101 R)
• M11: 5,896,250 km (0.109 R)
• M12: 7,633,979 km (0.061 R)
• M13: 8,075,143 km (0.1 R)
• M14: 8,680,117 km (0.083 R)
• M15: 9,755,726 km (0.112 R)
• M16: 11,803,571 km (0.093 R)
• M17: 12,813,207 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.2

Radius: 8.9

Gravity: 10.76 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.03 AU - 3.03 AU

Year: 2640 Days

Day: 5.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,945,741 km

• M1: 110,702 km (0.042 R)
• M2: 395,238 km (0.047 R)
• M3: 789,278 km (0.09 R)
• M4: 1,136,944 km (0.074 R)
• M5: 1,674,299 km (0.03 R)
• M6: 3,602,766 km (0.106 R)
• M7: 4,401,169 km (0.083 R)
• M8: 5,116,098 km (0.081 R)
• M9: 5,591,370 km (0.09 R)
• M10: 6,068,438 km (0.101 R)
• M11: 7,043,666 km (0.105 R)
• M12: 7,760,390 km (0.096 R)
• M13: 8,153,084 km (0.058 R)
• M14: 12,934,681 km (0.077 R)
• M15: 13,301,495 km (0.093 R)
• M16: 14,007,896 km (0.074 R)
• M17: 15,089,189 km (0.093 R)
• M18: 17,807,981 km (0.12 R)
• M19: 18,262,160 km (0.098 R)
• M20: 19,312,487 km (0.104 R)
• M21: 19,671,522 km (0.075 R)
• M22: 20,340,972 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 274.8

Radius: 6.9

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 7.97 AU - 8.21 AU

Year: 15095 Days

Day: 21.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,945,741 km

• M1: 85,869 km (0.064 R)
• M2: 384,616 km (0.115 R)
• M3: 785,538 km (0.113 R)
• M4: 1,041,052 km (0.073 R)
• M5: 1,277,865 km (0.08 R)
• M6: 1,739,374 km (0.032 R)
• M7: 2,456,846 km (0.084 R)
• M8: 2,904,293 km (0.085 R)
• M9: 3,675,470 km (0.116 R)
• M10: 5,415,892 km (0.072 R)
• M11: 6,539,671 km (0.106 R)
• M12: 8,066,766 km (0.075 R)
• M13: 8,549,818 km (0.053 R)
• M14: 9,098,692 km (0.102 R)
• M15: 9,477,474 km (0.1 R)
• M16: 9,866,728 km (0.071 R)
• M17: 11,205,778 km (0.053 R)
• M18: 13,864,431 km (0.07 R)
• M19: 14,176,642 km (0.115 R)
• M20: 16,775,008 km (0.081 R)
• M21: 21,532,818 km (0.067 R)
• M22: 30,451,843 km (0.077 R)
• M23: 34,161,721 km (0.043 R)
• M24: 35,076,512 km (0.076 R)
• M25: 36,242,777 km (0.106 R)
• M26: 36,835,484 km (0.04 R)
• M27: 42,333,205 km (0.068 R)
• M28: 44,056,423 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29.8

Radius: 7

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 6.82 AU - 9.36 AU

Year: 15095 Days

Day: 19.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,945,741 km

• M1: 87,066 km (0.1 R)
• M2: 312,809 km (0.104 R)
• M3: 940,223 km (0.115 R)
• M4: 1,338,153 km (0.087 R)
• M5: 2,410,620 km (0.101 R)
• M6: 4,398,327 km (0.069 R)
• M7: 4,764,991 km (0.048 R)
• M8: 5,430,104 km (0.101 R)
• M9: 6,016,378 km (0.051 R)
• M10: 8,163,855 km (0.055 R)
• M11: 8,825,078 km (0.065 R)
• M12: 10,332,875 km (0.112 R)
• M13: 11,315,733 km (0.049 R)
• M14: 12,092,893 km (0.09 R)
• M15: 14,487,656 km (0.119 R)
• M16: 20,441,651 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195.6

Radius: 4.4

Gravity: 10.1 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 7.92 AU - 8.42 AU

Year: 15319 Days

Day: 19.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 41,945,741 km

• M1: 63,729 km (0.054 R)
• M2: 249,828 km (0.044 R)
• M3: 799,451 km (0.094 R)
• M4: 1,034,768 km (0.117 R)
• M5: 1,185,713 km (0.115 R)
• M6: 1,376,600 km (0.1 R)
• M7: 1,601,595 km (0.03 R)
• M8: 2,091,827 km (0.079 R)
• M9: 3,408,587 km (0.044 R)
• M10: 3,796,196 km (0.091 R)
• M11: 4,404,012 km (0.113 R)
• M12: 5,322,543 km (0.116 R)
• M13: 7,332,839 km (0.101 R)
• M14: 7,650,435 km (0.095 R)
• M15: 8,228,182 km (0.095 R)
• M16: 8,790,221 km (0.069 R)
• M17: 9,148,508 km (0.099 R)
• M18: 9,563,193 km (0.12 R)
• M19: 10,831,634 km (0.101 R)
• M20: 13,816,261 km (0.106 R)
• M21: 14,117,701 km (0.103 R)
• M22: 14,361,844 km (0.104 R)
• M23: 15,175,058 km (0.109 R)
• M24: 18,443,921 km (0.109 R)
• M25: 18,809,239 km (0.115 R)
• M26: 20,787,223 km (0.116 R)
• M27: 22,648,818 km (0.099 R)
• M28: 23,577,223 km (0.103 R)
• M29: 24,442,946 km (0.062 R)
• M30: 25,419,521 km (0.096 R)
• M31: 27,830,739 km (0.084 R)
• M32: 29,190,135 km (0.074 R)
• M33: 29,487,087 km (0.116 R)
• M34: 29,786,133 km (0.11 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: 304 - 13,669 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit