🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.9

Radius: 10.6

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.59 AU - 0.73 AU

Year: 364 Days

Day: 13.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,809,219 km

• M1: 132,095 km (0.119 R)
• M2: 484,697 km (0.1 R)
• M3: 816,056 km (0.065 R)
• M4: 1,337,106 km (0.104 R)
• M5: 1,755,830 km (0.037 R)
• M6: 2,104,543 km (0.063 R)
• M7: 2,463,428 km (0.113 R)
• M8: 2,903,695 km (0.118 R)
• M9: 3,453,018 km (0.077 R)
• M10: 4,044,827 km (0.099 R)
• M11: 4,577,246 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.4

Radius: 11.6

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.83 AU - 1.31 AU

Year: 751 Days

Day: 7.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 66,809,219 km

• M1: 144,212 km (0.102 R)
• M2: 751,580 km (0.092 R)
• M3: 1,985,164 km (0.073 R)

Asteroid Belt

Center: 2.47 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.7

Radius: 11.8

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.38 AU - 4.36 AU

Year: 5164 Days

Day: 12.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 66,809,219 km

• M1: 146,905 km (0.105 R)
• M2: 1,145,321 km (0.038 R)
• M3: 1,594,564 km (0.12 R)
• M4: 2,011,792 km (0.101 R)
• M5: 2,571,139 km (0.076 R)
• M6: 3,032,648 km (0.107 R)
• M7: 4,100,178 km (0.073 R)
• M8: 4,472,976 km (0.045 R)
• M9: 5,315,960 km (0.081 R)
• M10: 6,262,017 km (0.114 R)
• M11: 7,033,942 km (0.091 R)
• M12: 9,733,885 km (0.064 R)
• M13: 10,910,173 km (0.12 R)
• M14: 11,484,180 km (0.089 R)
• M15: 13,007,385 km (0.112 R)
• M16: 14,433,053 km (0.044 R)
• M17: 15,360,709 km (0.078 R)
• M18: 16,143,405 km (0.091 R)
• M19: 16,575,743 km (0.095 R)
• M20: 17,142,869 km (0.092 R)
• M21: 18,117,050 km (0.064 R)
• M22: 20,033,548 km (0.072 R)
• M23: 20,605,012 km (0.109 R)
• M24: 21,187,546 km (0.094 R)
• M25: 22,385,227 km (0.104 R)
• M26: 25,576,598 km (0.061 R)
• M27: 29,792,266 km (0.09 R)
• M28: 31,009,245 km (0.093 R)
• M29: 32,161,597 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336

Radius: 13.7

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.28 AU - 4.74 AU

Year: 6496 Days

Day: 5.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,809,219 km

• M1: 171,290 km (0.067 R)
• M2: 775,964 km (0.063 R)
• M3: 1,485,357 km (0.059 R)
• M4: 1,960,630 km (0.1 R)
• M5: 2,807,802 km (0.057 R)
• M6: 3,588,703 km (0.113 R)
• M7: 4,110,501 km (0.083 R)
• M8: 4,608,362 km (0.086 R)
• M9: 5,500,564 km (0.103 R)
• M10: 8,310,012 km (0.037 R)
• M11: 12,738,857 km (0.099 R)
• M12: 13,803,994 km (0.059 R)
• M13: 15,093,079 km (0.094 R)
• M14: 15,540,227 km (0.107 R)
• M15: 17,175,182 km (0.114 R)
• M16: 19,972,363 km (0.084 R)
• M17: 21,479,113 km (0.088 R)
• M18: 23,504,967 km (0.102 R)
• M19: 24,950,232 km (0.108 R)
• M20: 26,696,937 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455.5

Radius: 7.7

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.49 AU - 6.59 AU

Year: 10068 Days

Day: 17.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,809,219 km

• M1: 96,191 km (0.069 R)
• M2: 344,374 km (0.106 R)
• M3: 841,338 km (0.097 R)
• M4: 1,172,249 km (0.062 R)
• M5: 1,431,502 km (0.09 R)
• M6: 2,084,946 km (0.088 R)
• M7: 2,414,809 km (0.113 R)
• M8: 2,881,255 km (0.107 R)
• M9: 4,849,963 km (0.082 R)
• M10: 5,657,941 km (0.089 R)
• M11: 6,772,146 km (0.06 R)
• M12: 7,264,173 km (0.113 R)
• M13: 7,984,487 km (0.072 R)
• M14: 8,795,457 km (0.033 R)
• M15: 9,198,324 km (0.108 R)
• M16: 9,473,734 km (0.08 R)
• M17: 11,295,238 km (0.068 R)
• M18: 12,096,185 km (0.115 R)
• M19: 13,514,372 km (0.098 R)
• M20: 15,616,522 km (0.037 R)
• M21: 16,677,470 km (0.083 R)
• M22: 17,087,368 km (0.043 R)
• M23: 17,503,998 km (0.096 R)
• M24: 18,502,713 km (0.101 R)
• M25: 22,545,297 km (0.118 R)
• M26: 22,795,125 km (0.089 R)
• M27: 24,158,411 km (0.108 R)
• M28: 28,670,881 km (0.084 R)
• M29: 30,663,824 km (0.119 R)
• M30: 33,282,534 km (0.062 R)
• M31: 37,776,754 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.5

Radius: 6.9

Gravity: 10.79 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.37 AU - 6.91 AU

Year: 10319 Days

Day: 22.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,809,219 km

• M1: 85,869 km (0.06 R)
• M2: 451,636 km (0.114 R)
• M3: 856,897 km (0.097 R)
• M4: 2,444,878 km (0.111 R)
• M5: 2,800,173 km (0.082 R)
• M6: 3,866,207 km (0.113 R)
• M7: 5,243,256 km (0.078 R)
• M8: 6,289,842 km (0.077 R)
• M9: 7,631,586 km (0.098 R)
• M10: 8,925,009 km (0.093 R)
• M11: 9,433,941 km (0.099 R)
• M12: 10,509,699 km (0.107 R)
• M13: 18,658,594 km (0.1 R)
• M14: 19,185,029 km (0.068 R)
• M15: 20,583,769 km (0.072 R)
• M16: 23,845,601 km (0.056 R)
• M17: 27,147,825 km (0.075 R)
• M18: 28,018,784 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874.7

Radius: 4.6

Gravity: 41.34 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.4 AU - 8.14 AU

Year: 11947 Days

Day: 23.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,809,219 km

• M1: 57,296 km (0.108 R)
• M2: 246,836 km (0.111 R)
• M3: 583,581 km (0.102 R)
• M4: 1,038,508 km (0.105 R)
• M5: 1,260,512 km (0.084 R)
• M6: 3,447,633 km (0.111 R)
• M7: 3,689,682 km (0.053 R)
• M8: 4,118,280 km (0.064 R)
• M9: 5,640,139 km (0.065 R)
• M10: 6,130,222 km (0.059 R)
• M11: 6,326,195 km (0.103 R)
• M12: 8,093,694 km (0.072 R)
• M13: 10,889,977 km (0.068 R)
• M14: 11,529,358 km (0.061 R)
• M15: 13,334,406 km (0.105 R)
• M16: 13,531,127 km (0.107 R)
• M17: 16,874,191 km (0.109 R)
• M18: 26,142,378 km (0.116 R)
• M19: 28,787,866 km (0.043 R)
• M20: 31,028,543 km (0.09 R)
• M21: 35,224,763 km (0.119 R)
• M22: 44,282,466 km (0.113 R)
• M23: 44,574,331 km (0.117 R)
• M24: 49,264,673 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315.5

Radius: 5.1

Gravity: 12.13 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.3 AU - 8.8 AU

Year: 12696 Days

Day: 21.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,809,219 km

• M1: 63,429 km (0.086 R)
• M2: 425,905 km (0.075 R)
• M3: 597,643 km (0.084 R)
• M4: 1,245,402 km (0.079 R)
• M5: 1,649,466 km (0.062 R)
• M6: 1,843,046 km (0.113 R)
• M7: 2,460,436 km (0.048 R)
• M8: 2,775,190 km (0.082 R)
• M9: 3,461,396 km (0.105 R)
• M10: 4,199,960 km (0.113 R)
• M11: 4,767,086 km (0.072 R)
• M12: 5,162,323 km (0.108 R)
• M13: 5,611,865 km (0.082 R)
• M14: 6,192,604 km (0.108 R)
• M15: 7,234,852 km (0.095 R)
• M16: 7,472,563 km (0.116 R)
• M17: 10,392,414 km (0.105 R)
• M18: 12,580,134 km (0.064 R)
• M19: 15,120,904 km (0.11 R)
• M20: 16,442,900 km (0.106 R)
• M21: 17,272,121 km (0.084 R)
• M22: 19,163,637 km (0.069 R)
• M23: 20,551,307 km (0.096 R)
• M24: 27,437,895 km (0.09 R)
• M25: 27,629,829 km (0.085 R)
• M26: 40,605,051 km (0.073 R)
• M27: 42,115,690 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498.3

Radius: 4.1

Gravity: 29.64 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.5 AU - 10.92 AU

Year: 18957 Days

Day: 16.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,809,219 km

• M1: 51,013 km (0.077 R)
• M2: 195,973 km (0.102 R)
• M3: 510,727 km (0.095 R)
• M4: 1,237,623 km (0.118 R)
• M5: 1,578,407 km (0.089 R)
• M6: 3,285,917 km (0.057 R)
• M7: 4,337,441 km (0.113 R)
• M8: 4,869,859 km (0.119 R)
• M9: 6,431,512 km (0.104 R)
• M10: 9,116,045 km (0.114 R)
• M11: 22,392,707 km (0.043 R)
• M12: 28,110,038 km (0.077 R)
• M13: 47,353,860 km (0.071 R)
• M14: 51,429,504 km (0.029 R)
• M15: 51,597,353 km (0.04 R)
• M16: 54,853,650 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 445.9

Radius: 7.9

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 9.64 AU - 9.7 AU

Year: 20395 Days

Day: 15.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,809,219 km

• M1: 98,286 km (0.117 R)
• M2: 409,001 km (0.083 R)
• M3: 868,266 km (0.096 R)
• M4: 1,935,647 km (0.118 R)
• M5: 2,223,324 km (0.083 R)
• M6: 2,766,813 km (0.066 R)
• M7: 3,057,631 km (0.049 R)
• M8: 3,905,252 km (0.078 R)
• M9: 12,194,321 km (0.076 R)
• M10: 15,314,932 km (0.119 R)
• M11: 20,706,290 km (0.085 R)
• M12: 21,259,952 km (0.071 R)
• M13: 38,380,680 km (0.118 R)
• M14: 41,794,354 km (0.091 R)
• M15: 43,125,027 km (0.053 R)
• M16: 53,412,274 km (0.086 R)
• M17: 53,757,696 km (0.075 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 15,467 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit