🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.1

Radius: 8.5

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.75 AU - 0.75 AU

Year: 441 Days

Day: 10 Hours

Environment

Temp: -169 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,988,600 km

• M1: 105,766 km (0.111 R)
• M2: 478,713 km (0.084 R)
• M3: 821,891 km (0.088 R)
• M4: 1,114,055 km (0.12 R)
• M5: 1,708,108 km (0.107 R)
• M6: 1,977,385 km (0.097 R)
• M7: 2,335,522 km (0.086 R)
• M8: 2,892,176 km (0.114 R)
• M9: 3,297,436 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402

Radius: 10.7

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.58 AU - 1.96 AU

Year: 1597 Days

Day: 7.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,988,600 km

• M1: 133,142 km (0.066 R)
• M2: 576,101 km (0.1 R)
• M3: 1,048,831 km (0.119 R)
• M4: 1,465,610 km (0.026 R)
• M5: 1,813,575 km (0.108 R)
• M6: 2,228,559 km (0.103 R)
• M7: 2,758,286 km (0.109 R)
• M8: 3,385,400 km (0.116 R)
• M9: 3,887,450 km (0.105 R)
• M10: 4,366,911 km (0.049 R)
• M11: 4,752,126 km (0.09 R)
• M12: 6,068,737 km (0.078 R)
• M13: 6,644,240 km (0.111 R)
• M14: 7,306,360 km (0.109 R)
• M15: 10,084,542 km (0.106 R)
• M16: 10,859,609 km (0.054 R)
• M17: 11,295,686 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.7

Radius: 8.6

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.73 AU - 3.15 AU

Year: 3419 Days

Day: 12.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,988,600 km

• M1: 106,962 km (0.118 R)
• M2: 380,278 km (0.105 R)
• M3: 833,859 km (0.075 R)
• M4: 1,401,433 km (0.109 R)
• M5: 1,787,545 km (0.105 R)
• M6: 3,056,733 km (0.05 R)
• M7: 4,016,404 km (0.104 R)
• M8: 4,515,761 km (0.118 R)
• M9: 4,885,268 km (0.079 R)
• M10: 6,804,310 km (0.11 R)
• M11: 7,542,725 km (0.095 R)
• M12: 10,748,158 km (0.093 R)
• M13: 12,212,572 km (0.075 R)
• M14: 12,972,379 km (0.111 R)
• M15: 14,807,646 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.5

Radius: 11.2

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.5 AU - 3.52 AU

Year: 3542 Days

Day: 8.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,988,600 km

• M1: 139,276 km (0.102 R)
• M2: 673,938 km (0.095 R)
• M3: 1,166,415 km (0.067 R)
• M4: 1,525,749 km (0.11 R)
• M5: 2,387,133 km (0.064 R)
• M6: 3,301,775 km (0.05 R)
• M7: 3,911,236 km (0.076 R)
• M8: 4,695,428 km (0.047 R)
• M9: 5,244,901 km (0.088 R)
• M10: 6,397,403 km (0.065 R)
• M11: 6,834,528 km (0.109 R)
• M12: 7,346,452 km (0.11 R)
• M13: 10,301,010 km (0.096 R)
• M14: 12,849,560 km (0.045 R)
• M15: 13,841,693 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.9

Radius: 11

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.24 AU - 4.12 AU

Year: 4788 Days

Day: 8.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 84.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,988,600 km

• M1: 136,882 km (0.043 R)
• M2: 626,665 km (0.113 R)
• M3: 1,080,396 km (0.088 R)
• M4: 1,605,335 km (0.11 R)
• M5: 2,250,251 km (0.088 R)
• M6: 2,718,941 km (0.104 R)
• M7: 3,965,540 km (0.092 R)
• M8: 4,480,606 km (0.059 R)
• M9: 4,908,755 km (0.111 R)
• M10: 6,516,633 km (0.108 R)
• M11: 7,614,831 km (0.058 R)
• M12: 8,375,386 km (0.084 R)
• M13: 8,871,004 km (0.064 R)
• M14: 11,463,535 km (0.065 R)
• M15: 13,621,933 km (0.109 R)
• M16: 14,470,153 km (0.077 R)
• M17: 20,314,792 km (0.044 R)
• M18: 22,277,517 km (0.114 R)
• M19: 24,517,296 km (0.116 R)
• M20: 25,691,789 km (0.087 R)
• M21: 26,252,631 km (0.099 R)
• M22: 28,237,346 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.9

Radius: 9.5

Gravity: 10.67 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.29 AU - 5.41 AU

Year: 6154 Days

Day: 6.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,988,600 km

• M1: 118,182 km (0.078 R)
• M2: 451,786 km (0.079 R)
• M3: 1,238,670 km (0.091 R)
• M4: 2,001,320 km (0.057 R)
• M5: 2,946,629 km (0.099 R)
• M6: 3,283,972 km (0.096 R)
• M7: 3,694,469 km (0.115 R)
• M8: 4,758,708 km (0.075 R)
• M9: 5,786,446 km (0.12 R)
• M10: 7,215,105 km (0.11 R)
• M11: 7,911,334 km (0.096 R)
• M12: 8,908,703 km (0.116 R)
• M13: 9,437,681 km (0.12 R)
• M14: 10,270,492 km (0.081 R)
• M15: 10,607,237 km (0.076 R)
• M16: 11,455,906 km (0.091 R)
• M17: 15,370,433 km (0.067 R)
• M18: 17,936,785 km (0.087 R)
• M19: 22,827,289 km (0.112 R)
• M20: 24,494,407 km (0.1 R)
• M21: 28,069,348 km (0.12 R)
• M22: 33,743,745 km (0.097 R)
• M23: 34,382,079 km (0.087 R)
• M24: 36,568,601 km (0.076 R)
• M25: 37,355,187 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.1

Radius: 8.4

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.44 AU - 5.36 AU

Year: 6260 Days

Day: 13.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,988,600 km

• M1: 104,569 km (0.075 R)
• M2: 458,218 km (0.081 R)
• M3: 891,903 km (0.068 R)
• M4: 1,572,573 km (0.111 R)
• M5: 2,090,481 km (0.102 R)
• M6: 2,479,435 km (0.108 R)
• M7: 3,444,491 km (0.118 R)
• M8: 4,081,479 km (0.05 R)
• M9: 4,564,979 km (0.103 R)
• M10: 5,005,545 km (0.075 R)
• M11: 5,559,954 km (0.084 R)
• M12: 5,822,499 km (0.071 R)
• M13: 6,093,271 km (0.094 R)
• M14: 6,499,279 km (0.086 R)
• M15: 7,540,780 km (0.029 R)
• M16: 8,496,860 km (0.113 R)
• M17: 10,079,306 km (0.027 R)
• M18: 11,993,411 km (0.1 R)
• M19: 13,189,745 km (0.077 R)
• M20: 14,518,623 km (0.106 R)
• M21: 15,414,565 km (0.101 R)
• M22: 15,759,836 km (0.067 R)
• M23: 16,406,398 km (0.078 R)
• M24: 16,826,918 km (0.109 R)
• M25: 19,302,912 km (0.076 R)
• M26: 20,248,072 km (0.059 R)
• M27: 20,593,044 km (0.119 R)
• M28: 22,450,152 km (0.101 R)
• M29: 25,361,327 km (0.106 R)
• M30: 28,257,093 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.8

Radius: 7.9

Gravity: 13.71 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.69 AU - 6.55 AU

Year: 10269 Days

Day: 20 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,988,600 km

• M1: 98,585 km (0.076 R)
• M2: 481,256 km (0.088 R)
• M3: 1,119,142 km (0.109 R)
• M4: 1,768,995 km (0.11 R)
• M5: 2,251,897 km (0.052 R)
• M6: 3,114,628 km (0.084 R)
• M7: 3,983,941 km (0.108 R)
• M8: 8,588,414 km (0.114 R)
• M9: 14,435,297 km (0.06 R)
• M10: 15,943,393 km (0.058 R)
• M11: 20,085,010 km (0.113 R)
• M12: 21,610,908 km (0.102 R)
• M13: 29,122,217 km (0.114 R)
• M14: 29,548,422 km (0.107 R)
• M15: 32,307,755 km (0.045 R)
• M16: 38,205,351 km (0.057 R)
• M17: 44,782,272 km (0.051 R)
• M18: 48,859,712 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.5

Radius: 5.1

Gravity: 11.59 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.03 AU - 8.15 AU

Year: 11474 Days

Day: 21.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,988,600 km

• M1: 63,878 km (0.105 R)
• M2: 277,205 km (0.086 R)
• M3: 454,478 km (0.099 R)
• M4: 866,321 km (0.117 R)
• M5: 1,184,366 km (0.06 R)
• M6: 1,432,998 km (0.101 R)
• M7: 1,716,037 km (0.082 R)
• M8: 2,068,041 km (0.06 R)
• M9: 2,269,998 km (0.092 R)
• M10: 2,915,064 km (0.102 R)
• M11: 4,023,435 km (0.057 R)
• M12: 4,366,463 km (0.118 R)
• M13: 5,293,969 km (0.049 R)
• M14: 5,969,853 km (0.085 R)
• M15: 7,688,134 km (0.107 R)
• M16: 9,389,510 km (0.078 R)
• M17: 10,424,728 km (0.103 R)
• M18: 12,009,717 km (0.057 R)
• M19: 12,553,505 km (0.11 R)
• M20: 16,895,584 km (0.101 R)
• M21: 17,439,970 km (0.058 R)
• M22: 19,585,802 km (0.048 R)
• M23: 24,652,682 km (0.064 R)
• M24: 33,202,350 km (0.072 R)
• M25: 35,806,101 km (0.071 R)
• M26: 38,193,234 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.5

Radius: 5.5

Gravity: 21.27 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.38 AU - 9.78 AU

Year: 17046 Days

Day: 15.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 66,988,600 km

• M1: 68,516 km (0.12 R)
• M2: 244,293 km (0.072 R)
• M3: 611,855 km (0.092 R)
• M4: 830,717 km (0.109 R)
• M5: 1,028,635 km (0.1 R)
• M6: 1,537,417 km (0.082 R)
• M7: 3,269,312 km (0.096 R)
• M8: 4,481,055 km (0.081 R)
• M9: 4,991,034 km (0.11 R)
• M10: 5,463,613 km (0.064 R)
• M11: 5,807,838 km (0.079 R)
• M12: 7,515,647 km (0.096 R)
• M13: 9,103,030 km (0.099 R)
• M14: 10,315,970 km (0.086 R)
• M15: 10,664,533 km (0.062 R)
• M16: 11,202,188 km (0.094 R)
• M17: 12,331,502 km (0.057 R)
• M18: 12,658,224 km (0.11 R)
• M19: 13,125,268 km (0.079 R)
• M20: 14,023,155 km (0.099 R)
• M21: 14,307,391 km (0.081 R)
• M22: 15,035,035 km (0.111 R)
• M23: 17,365,620 km (0.037 R)
• M24: 17,942,170 km (0.118 R)
• M25: 18,193,046 km (0.048 R)
• M26: 19,046,502 km (0.065 R)
• M27: 21,017,603 km (0.116 R)
• M28: 21,766,789 km (0.113 R)
• M29: 25,150,394 km (0.114 R)
• M30: 26,966,811 km (0.081 R)
• M31: 31,947,822 km (0.115 R)
• M32: 32,564,016 km (0.084 R)
• M33: 34,589,122 km (0.111 R)
• M34: 36,161,994 km (0.117 R)
• M35: 37,236,705 km (0.118 R)
• M36: 38,609,714 km (0.086 R)
• M37: 39,874,116 km (0.096 R)
• M38: 48,853,279 km (0.059 R)
• M39: 54,244,188 km (0.117 R)
• M40: 57,263,073 km (0.062 R)
• M41: 64,022,204 km (0.108 R)
• M42: 64,217,130 km (0.12 R)
• M43: 65,593,131 km (0.094 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 16,878 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit