🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.59 AU - 0.75 AU

Year: 360 Days

Day: 31.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 98.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.3 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.5

Radius: 8.7

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.78 AU - 2.08 AU

Year: 1759 Days

Day: 14.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,280,634 km

• M1: 108,159 km (0.045 R)
• M2: 502,499 km (0.105 R)
• M3: 912,397 km (0.116 R)
• M4: 1,206,507 km (0.079 R)
• M5: 1,485,806 km (0.068 R)
• M6: 1,858,903 km (0.083 R)
• M7: 2,258,928 km (0.068 R)
• M8: 2,835,927 km (0.066 R)
• M9: 3,523,628 km (0.097 R)
• M10: 3,915,425 km (0.113 R)
• M11: 4,482,999 km (0.107 R)
• M12: 4,983,554 km (0.083 R)
• M13: 5,915,249 km (0.077 R)
• M14: 6,351,776 km (0.057 R)
• M15: 8,805,929 km (0.037 R)
• M16: 9,102,731 km (0.087 R)
• M17: 11,026,410 km (0.117 R)
• M18: 11,371,533 km (0.049 R)
• M19: 12,266,128 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.6

Radius: 11.1

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.09 AU - 2.43 AU

Year: 2229 Days

Day: 11.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,280,634 km

• M1: 138,228 km (0.07 R)
• M2: 491,279 km (0.059 R)
• M3: 1,169,257 km (0.098 R)
• M4: 1,545,196 km (0.059 R)
• M5: 2,443,980 km (0.118 R)
• M6: 2,904,742 km (0.092 R)
• M7: 3,929,188 km (0.05 R)
• M8: 5,069,872 km (0.12 R)
• M9: 5,588,228 km (0.099 R)
• M10: 6,317,368 km (0.12 R)
• M11: 6,731,455 km (0.052 R)
• M12: 8,234,615 km (0.08 R)
• M13: 8,888,208 km (0.091 R)
• M14: 9,576,208 km (0.054 R)
• M15: 10,441,034 km (0.116 R)
• M16: 11,058,275 km (0.104 R)
• M17: 11,699,750 km (0.053 R)
• M18: 12,526,279 km (0.108 R)
• M19: 13,140,079 km (0.058 R)
• M20: 13,602,934 km (0.111 R)
• M21: 13,989,645 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.8

Radius: 13.2

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.63 AU - 3.35 AU

Year: 3392 Days

Day: 14.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,280,634 km

• M1: 176,226 km (0.12 R)
• M2: 948,002 km (0.09 R)
• M3: 1,639,742 km (0.093 R)
• M4: 2,863,453 km (0.116 R)
• M5: 3,305,365 km (0.037 R)
• M6: 3,755,206 km (0.098 R)
• M7: 4,454,127 km (0.096 R)
• M8: 5,214,832 km (0.11 R)
• M9: 7,170,376 km (0.113 R)
• M10: 7,620,067 km (0.062 R)
• M11: 8,248,976 km (0.112 R)
• M12: 10,960,288 km (0.111 R)
• M13: 11,599,071 km (0.086 R)
• M14: 12,475,116 km (0.115 R)
• M15: 14,032,579 km (0.096 R)
• M16: 14,690,661 km (0.097 R)
• M17: 15,967,329 km (0.115 R)
• M18: 17,746,945 km (0.074 R)
• M19: 18,684,774 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.8

Radius: 11.4

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.05 AU - 4.05 AU

Year: 4388 Days

Day: 13.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,280,634 km

• M1: 144,212 km (0.117 R)
• M2: 596,596 km (0.101 R)
• M3: 970,441 km (0.045 R)
• M4: 1,507,647 km (0.086 R)
• M5: 1,993,840 km (0.047 R)
• M6: 2,929,575 km (0.104 R)
• M7: 3,287,114 km (0.095 R)
• M8: 3,780,637 km (0.053 R)
• M9: 4,613,898 km (0.11 R)
• M10: 6,485,965 km (0.058 R)
• M11: 6,900,950 km (0.087 R)
• M12: 7,643,853 km (0.112 R)
• M13: 12,374,736 km (0.115 R)
• M14: 15,347,096 km (0.116 R)
• M15: 19,677,206 km (0.087 R)
• M16: 20,143,952 km (0.104 R)
• M17: 21,588,469 km (0.07 R)
• M18: 23,174,805 km (0.115 R)
• M19: 25,304,330 km (0.117 R)
• M20: 26,497,224 km (0.084 R)
• M21: 27,230,852 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.8

Radius: 9.9

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.36 AU - 4.72 AU

Year: 5327 Days

Day: 11.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,280,634 km

• M1: 123,119 km (0.057 R)
• M2: 742,903 km (0.09 R)
• M3: 1,198,877 km (0.107 R)
• M4: 1,565,691 km (0.079 R)
• M5: 2,007,753 km (0.034 R)
• M6: 3,427,287 km (0.106 R)
• M7: 3,744,584 km (0.081 R)
• M8: 4,479,858 km (0.099 R)
• M9: 4,882,127 km (0.063 R)
• M10: 6,107,931 km (0.114 R)
• M11: 7,498,743 km (0.09 R)
• M12: 9,841,446 km (0.116 R)
• M13: 12,345,714 km (0.118 R)
• M14: 15,964,935 km (0.087 R)
• M15: 16,356,882 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752

Radius: 7.7

Gravity: 12.68 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.12 AU - 6.16 AU

Year: 9981 Days

Day: 19 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 82,280,634 km

• M1: 96,341 km (0.117 R)
• M2: 369,058 km (0.071 R)
• M3: 642,373 km (0.06 R)
• M4: 2,263,715 km (0.087 R)
• M5: 3,156,515 km (0.094 R)
• M6: 3,418,760 km (0.074 R)
• M7: 4,041,835 km (0.081 R)
• M8: 4,924,612 km (0.091 R)
• M9: 6,001,567 km (0.11 R)
• M10: 7,268,661 km (0.115 R)
• M11: 8,030,563 km (0.036 R)
• M12: 10,321,804 km (0.072 R)
• M13: 11,010,403 km (0.104 R)
• M14: 13,260,056 km (0.093 R)
• M15: 14,655,804 km (0.115 R)
• M16: 16,287,319 km (0.036 R)
• M17: 17,513,722 km (0.039 R)
• M18: 18,263,357 km (0.118 R)
• M19: 20,068,405 km (0.098 R)
• M20: 21,307,823 km (0.102 R)
• M21: 22,075,410 km (0.094 R)
• M22: 23,038,521 km (0.106 R)
• M23: 26,095,853 km (0.071 R)
• M24: 30,471,740 km (0.047 R)
• M25: 32,106,396 km (0.098 R)
• M26: 36,628,889 km (0.118 R)
• M27: 38,475,675 km (0.086 R)
• M28: 40,254,693 km (0.066 R)
• M29: 41,033,499 km (0.076 R)
• M30: 45,079,523 km (0.073 R)
• M31: 45,638,421 km (0.11 R)
• M32: 46,912,546 km (0.045 R)
• M33: 49,383,753 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.3

Radius: 4.3

Gravity: 26.03 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 8.33 AU - 8.63 AU

Year: 16200 Days

Day: 24.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 82,280,634 km

• M1: 53,855 km (0.08 R)
• M2: 285,134 km (0.103 R)
• M3: 552,016 km (0.112 R)
• M4: 960,119 km (0.09 R)
• M5: 1,888,972 km (0.103 R)
• M6: 2,402,542 km (0.089 R)
• M7: 3,954,470 km (0.032 R)
• M8: 5,055,810 km (0.047 R)
• M9: 6,346,989 km (0.093 R)
• M10: 8,028,020 km (0.091 R)
• M11: 9,147,162 km (0.116 R)
• M12: 9,559,603 km (0.111 R)
• M13: 9,823,643 km (0.047 R)
• M14: 11,991,915 km (0.073 R)
• M15: 12,928,996 km (0.061 R)
• M16: 13,317,202 km (0.108 R)
• M17: 14,049,035 km (0.054 R)
• M18: 14,184,870 km (0.098 R)
• M19: 16,032,105 km (0.084 R)
• M20: 16,631,244 km (0.105 R)
• M21: 18,113,909 km (0.092 R)
• M22: 21,608,814 km (0.049 R)
• M23: 22,617,552 km (0.111 R)
• M24: 32,431,921 km (0.094 R)
• M25: 35,990,256 km (0.1 R)
• M26: 38,192,486 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 676

Radius: 5.4

Gravity: 23.18 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 10.48 AU - 10.72 AU

Year: 22640 Days

Day: 23.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 82,280,634 km

• M1: 67,319 km (0.073 R)
• M2: 273,914 km (0.082 R)
• M3: 1,398,590 km (0.085 R)
• M4: 1,631,963 km (0.067 R)
• M5: 2,309,193 km (0.098 R)
• M6: 2,941,842 km (0.115 R)
• M7: 4,231,525 km (0.074 R)
• M8: 4,758,858 km (0.112 R)
• M9: 5,609,920 km (0.085 R)
• M10: 8,017,399 km (0.115 R)
• M11: 8,878,185 km (0.082 R)
• M12: 9,046,183 km (0.035 R)
• M13: 14,582,651 km (0.101 R)
• M14: 14,816,772 km (0.11 R)
• M15: 20,332,146 km (0.103 R)
• M16: 20,526,623 km (0.047 R)
• M17: 20,722,447 km (0.097 R)
• M18: 25,351,603 km (0.104 R)
• M19: 26,840,850 km (0.064 R)
• M20: 32,578,227 km (0.116 R)
• M21: 35,168,814 km (0.1 R)
• M22: 36,729,718 km (0.116 R)
• M23: 37,454,220 km (0.075 R)
• M24: 39,081,696 km (0.106 R)
• M25: 40,141,597 km (0.076 R)
• M26: 43,920,738 km (0.095 R)
• M27: 47,075,757 km (0.037 R)
• M28: 47,416,391 km (0.091 R)
• M29: 51,093,058 km (0.071 R)
• M30: 51,272,725 km (0.082 R)
• M31: 53,276,888 km (0.051 R)
• M32: 55,522,352 km (0.099 R)
• M33: 61,005,264 km (0.107 R)
• M34: 62,430,183 km (0.041 R)
• M35: 63,461,511 km (0.082 R)
• M36: 65,770,405 km (0.076 R)
• M37: 69,008,301 km (0.037 R)
• M38: 70,777,745 km (0.099 R)
• M39: 73,488,458 km (0.069 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: 460 - 19,528 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit