🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.9

Radius: 13.2

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.54 AU - 0.82 AU

Year: 374 Days

Day: 8.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,033,603 km

• M1: 164,258 km (0.069 R)
• M2: 663,915 km (0.096 R)
• M3: 1,401,283 km (0.091 R)
• M4: 2,209,261 km (0.109 R)
• M5: 2,719,839 km (0.099 R)
• M6: 3,443,743 km (0.088 R)
• M7: 4,084,321 km (0.097 R)
• M8: 4,619,433 km (0.114 R)
• M9: 5,216,328 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.9

Radius: 8.2

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.9 AU - 2.82 AU

Year: 2418 Days

Day: 14.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,033,603 km

• M1: 102,026 km (0.106 R)
• M2: 377,286 km (0.111 R)
• M3: 799,451 km (0.084 R)
• M4: 1,208,152 km (0.095 R)
• M5: 1,916,648 km (0.087 R)
• M6: 2,489,907 km (0.083 R)
• M7: 3,108,793 km (0.07 R)
• M8: 3,699,555 km (0.079 R)
• M9: 4,949,146 km (0.11 R)
• M10: 5,306,835 km (0.105 R)
• M11: 5,657,941 km (0.099 R)
• M12: 6,886,588 km (0.102 R)
• M13: 7,276,291 km (0.069 R)
• M14: 7,798,986 km (0.108 R)
• M15: 9,450,097 km (0.108 R)
• M16: 9,792,377 km (0.062 R)
• M17: 10,502,070 km (0.063 R)
• M18: 14,618,854 km (0.111 R)
• M19: 14,984,770 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.7

Radius: 10.2

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.14 AU - 2.62 AU

Year: 2448 Days

Day: 9.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,033,603 km

• M1: 126,859 km (0.073 R)
• M2: 726,746 km (0.086 R)
• M3: 1,809,536 km (0.104 R)
• M4: 2,157,351 km (0.105 R)
• M5: 2,805,708 km (0.087 R)
• M6: 3,433,271 km (0.044 R)
• M7: 4,188,292 km (0.086 R)
• M8: 4,684,358 km (0.034 R)
• M9: 6,265,009 km (0.093 R)
• M10: 6,966,922 km (0.114 R)
• M11: 7,390,883 km (0.077 R)
• M12: 9,168,255 km (0.076 R)
• M13: 9,516,669 km (0.113 R)
• M14: 10,789,447 km (0.096 R)
• M15: 11,249,909 km (0.079 R)
• M16: 12,945,751 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741

Radius: 11.2

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.57 AU - 3.69 AU

Year: 3693 Days

Day: 12.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,033,603 km

• M1: 139,276 km (0.108 R)
• M2: 561,890 km (0.115 R)
• M3: 949,198 km (0.047 R)
• M4: 1,978,881 km (0.093 R)
• M5: 2,388,928 km (0.095 R)
• M6: 2,737,641 km (0.075 R)
• M7: 3,701,201 km (0.087 R)
• M8: 4,284,184 km (0.079 R)
• M9: 5,312,220 km (0.067 R)
• M10: 6,557,922 km (0.079 R)
• M11: 8,305,973 km (0.102 R)
• M12: 9,154,043 km (0.084 R)
• M13: 10,181,033 km (0.055 R)
• M14: 12,045,920 km (0.083 R)
• M15: 15,881,908 km (0.088 R)
• M16: 18,196,337 km (0.084 R)
• M17: 19,497,539 km (0.08 R)
• M18: 20,398,717 km (0.072 R)
• M19: 21,530,126 km (0.107 R)
• M20: 22,492,937 km (0.036 R)
• M21: 23,556,130 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.6

Radius: 14.9

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.9 AU - 3.6 AU

Year: 3907 Days

Day: 7.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,033,603 km

• M1: 185,352 km (0.095 R)
• M2: 831,016 km (0.084 R)
• M3: 1,588,729 km (0.106 R)
• M4: 2,111,873 km (0.114 R)
• M5: 2,670,472 km (0.106 R)
• M6: 3,144,846 km (0.028 R)
• M7: 4,049,016 km (0.106 R)
• M8: 4,680,469 km (0.049 R)
• M9: 5,222,312 km (0.093 R)
• M10: 6,492,398 km (0.089 R)
• M11: 7,200,594 km (0.107 R)
• M12: 7,925,845 km (0.119 R)
• M13: 8,699,266 km (0.104 R)
• M14: 9,255,171 km (0.118 R)
• M15: 9,834,863 km (0.112 R)
• M16: 10,562,208 km (0.026 R)
• M17: 11,282,073 km (0.111 R)
• M18: 12,632,044 km (0.068 R)
• M19: 13,837,354 km (0.069 R)
• M20: 14,493,790 km (0.075 R)
• M21: 18,092,815 km (0.111 R)
• M22: 19,248,459 km (0.056 R)
• M23: 20,712,573 km (0.076 R)
• M24: 23,151,766 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.2

Radius: 10.5

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.81 AU - 4.25 AU

Year: 4423 Days

Day: 6 Hours

Environment

Temp: -221 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,033,603 km

• M1: 131,497 km (0.076 R)
• M2: 889,659 km (0.116 R)
• M3: 1,407,267 km (0.096 R)
• M4: 2,018,075 km (0.111 R)
• M5: 2,474,050 km (0.057 R)
• M6: 3,745,781 km (0.111 R)
• M7: 4,637,983 km (0.076 R)
• M8: 5,216,179 km (0.046 R)
• M9: 5,960,727 km (0.107 R)
• M10: 8,738,610 km (0.083 R)
• M11: 9,374,999 km (0.114 R)
• M12: 9,999,421 km (0.12 R)
• M13: 11,193,062 km (0.104 R)
• M14: 14,021,210 km (0.068 R)
• M15: 14,452,949 km (0.101 R)
• M16: 18,170,157 km (0.113 R)
• M17: 19,272,993 km (0.117 R)
• M18: 23,372,423 km (0.08 R)
• M19: 28,018,933 km (0.082 R)
• M20: 28,964,691 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.8

Radius: 6.3

Gravity: 19.72 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.45 AU - 7.17 AU

Year: 10570 Days

Day: 24.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 59,033,603 km

• M1: 84,074 km (0.067 R)
• M2: 333,454 km (0.116 R)
• M3: 769,531 km (0.066 R)
• M4: 1,100,292 km (0.09 R)
• M5: 1,466,209 km (0.078 R)
• M6: 1,844,243 km (0.084 R)
• M7: 2,229,008 km (0.073 R)
• M8: 2,521,023 km (0.053 R)
• M9: 3,816,242 km (0.067 R)
• M10: 5,132,254 km (0.111 R)
• M11: 5,538,113 km (0.081 R)
• M12: 6,299,716 km (0.08 R)
• M13: 6,725,621 km (0.119 R)
• M14: 7,378,915 km (0.057 R)
• M15: 8,299,690 km (0.104 R)
• M16: 11,633,179 km (0.113 R)
• M17: 15,485,624 km (0.096 R)
• M18: 15,834,635 km (0.083 R)
• M19: 19,136,709 km (0.081 R)
• M20: 19,538,828 km (0.112 R)
• M21: 20,276,795 km (0.1 R)
• M22: 22,246,699 km (0.119 R)
• M23: 24,434,568 km (0.106 R)
• M24: 27,671,567 km (0.049 R)
• M25: 30,852,466 km (0.082 R)
• M26: 31,852,229 km (0.1 R)
• M27: 32,644,649 km (0.081 R)
• M28: 33,916,380 km (0.072 R)
• M29: 35,461,427 km (0.114 R)
• M30: 37,426,694 km (0.08 R)
• M31: 38,055,454 km (0.038 R)
• M32: 39,983,920 km (0.077 R)
• M33: 46,881,878 km (0.114 R)
• M34: 50,305,276 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530.3

Radius: 3.7

Gravity: 38.74 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.25 AU - 6.97 AU

Year: 11333 Days

Day: 18.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 59,033,603 km

• M1: 47,123 km (0.102 R)
• M2: 200,910 km (0.091 R)
• M3: 439,967 km (0.108 R)
• M4: 731,833 km (0.098 R)
• M5: 876,344 km (0.074 R)
• M6: 1,175,839 km (0.075 R)
• M7: 1,362,388 km (0.086 R)
• M8: 1,671,607 km (0.061 R)
• M9: 1,826,889 km (0.1 R)
• M10: 2,486,616 km (0.086 R)
• M11: 2,794,787 km (0.118 R)
• M12: 3,014,098 km (0.037 R)
• M13: 3,536,643 km (0.076 R)
• M14: 3,663,502 km (0.051 R)
• M15: 3,953,124 km (0.117 R)
• M16: 6,766,312 km (0.115 R)
• M17: 7,655,970 km (0.102 R)
• M18: 7,997,801 km (0.116 R)
• M19: 8,944,008 km (0.113 R)
• M20: 9,419,729 km (0.117 R)
• M21: 13,111,206 km (0.107 R)
• M22: 14,101,544 km (0.078 R)
• M23: 19,808,852 km (0.12 R)
• M24: 20,533,804 km (0.081 R)
• M25: 22,121,935 km (0.107 R)
• M26: 24,333,889 km (0.113 R)
• M27: 24,793,304 km (0.101 R)
• M28: 25,446,149 km (0.12 R)
• M29: 29,814,257 km (0.086 R)
• M30: 30,765,401 km (0.108 R)
• M31: 31,955,152 km (0.077 R)
• M32: 34,772,379 km (0.067 R)
• M33: 35,825,848 km (0.088 R)
• M34: 41,936,621 km (0.043 R)
• M35: 45,583,219 km (0.099 R)
• M36: 45,861,322 km (0.102 R)
• M37: 47,127,518 km (0.029 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.7

Radius: 5.1

Gravity: 22.94 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.45 AU - 7.61 AU

Year: 12430 Days

Day: 24.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,033,603 km

• M1: 63,429 km (0.032 R)
• M2: 288,125 km (0.057 R)
• M3: 467,493 km (0.106 R)
• M4: 689,945 km (0.088 R)
• M5: 1,003,203 km (0.101 R)
• M6: 2,068,490 km (0.09 R)
• M7: 2,762,624 km (0.056 R)
• M8: 4,178,717 km (0.098 R)
• M9: 4,384,414 km (0.079 R)
• M10: 4,627,810 km (0.11 R)
• M11: 5,378,043 km (0.047 R)
• M12: 5,800,209 km (0.103 R)
• M13: 6,168,519 km (0.088 R)
• M14: 10,699,988 km (0.09 R)
• M15: 11,943,595 km (0.099 R)
• M16: 13,154,889 km (0.067 R)
• M17: 14,181,280 km (0.025 R)
• M18: 14,445,918 km (0.105 R)
• M19: 14,917,152 km (0.074 R)
• M20: 16,683,603 km (0.119 R)
• M21: 18,349,525 km (0.12 R)
• M22: 20,040,131 km (0.11 R)
• M23: 21,051,412 km (0.061 R)
• M24: 21,569,619 km (0.093 R)
• M25: 21,744,200 km (0.103 R)
• M26: 23,266,807 km (0.091 R)
• M27: 24,477,952 km (0.103 R)
• M28: 24,763,235 km (0.086 R)
• M29: 25,340,683 km (0.111 R)
• M30: 26,722,668 km (0.066 R)
• M31: 29,528,675 km (0.119 R)
• M32: 35,839,461 km (0.042 R)
• M33: 36,702,042 km (0.096 R)
• M34: 38,340,438 km (0.117 R)
• M35: 40,821,818 km (0.105 R)
• M36: 50,578,142 km (0.069 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 545.5

Radius: 6.2

Gravity: 14.19 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 7.71 AU - 8.45 AU

Year: 15316 Days

Day: 16.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,033,603 km

• M1: 77,193 km (0.119 R)
• M2: 514,317 km (0.11 R)
• M3: 1,043,296 km (0.111 R)
• M4: 1,717,234 km (0.062 R)
• M5: 3,211,118 km (0.101 R)
• M6: 3,574,342 km (0.104 R)
• M7: 4,110,800 km (0.098 R)
• M8: 4,382,918 km (0.111 R)
• M9: 4,863,427 km (0.08 R)
• M10: 5,099,193 km (0.11 R)
• M11: 6,395,608 km (0.078 R)
• M12: 6,928,625 km (0.09 R)
• M13: 10,210,503 km (0.091 R)
• M14: 11,343,857 km (0.082 R)
• M15: 13,003,645 km (0.085 R)
• M16: 15,387,787 km (0.056 R)
• M17: 20,299,234 km (0.06 R)
• M18: 25,957,624 km (0.076 R)
• M19: 26,679,284 km (0.08 R)
• M20: 29,588,664 km (0.064 R)
• M21: 46,587,171 km (0.115 R)
• M22: 48,422,886 km (0.047 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: 306 - 15,504 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit