🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.77 AU - 1.03 AU

Year: 322 Days

Day: 31.9 Hours

Environment

Temp: 30 °C

Axial Tilt: 38.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 67,963,246 km

• M1: 37,399 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.47 AU - 1.49 AU

Year: 678 Days

Day: 41.9 Hours

Environment

Temp: -51 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.4 AU - 2.58 AU

Year: 1480 Days

Day: 44.6 Hours

Environment

Temp: -103 °C

Axial Tilt: 28.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.5

Radius: 11.8

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.45 AU - 8.79 AU

Year: 7157 Days

Day: 9.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,963,246 km

• M1: 146,756 km (0.115 R)
• M2: 638,334 km (0.057 R)
• M3: 1,171,651 km (0.109 R)
• M4: 2,563,509 km (0.088 R)
• M5: 3,849,752 km (0.111 R)
• M6: 4,371,848 km (0.092 R)
• M7: 5,920,186 km (0.104 R)
• M8: 6,581,708 km (0.106 R)
• M9: 7,176,359 km (0.061 R)
• M10: 7,888,146 km (0.093 R)
• M11: 8,733,374 km (0.107 R)
• M12: 9,731,940 km (0.106 R)
• M13: 11,528,012 km (0.099 R)
• M14: 14,498,726 km (0.075 R)
• M15: 16,628,851 km (0.113 R)
• M16: 20,865,462 km (0.119 R)
• M17: 22,149,910 km (0.062 R)
• M18: 22,728,255 km (0.099 R)
• M19: 23,231,801 km (0.105 R)
• M20: 31,709,213 km (0.042 R)
• M21: 35,049,884 km (0.075 R)
• M22: 37,209,329 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.9

Radius: 8.5

Gravity: 12.08 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 9.93 AU - 10.75 AU

Year: 12526 Days

Day: 9.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,963,246 km

• M1: 106,214 km (0.042 R)
• M2: 525,687 km (0.042 R)
• M3: 981,362 km (0.096 R)
• M4: 1,386,922 km (0.117 R)
• M5: 2,271,943 km (0.069 R)
• M6: 2,538,227 km (0.119 R)
• M7: 3,259,139 km (0.099 R)
• M8: 4,021,789 km (0.075 R)
• M9: 4,999,411 km (0.047 R)
• M10: 5,489,494 km (0.074 R)
• M11: 6,982,630 km (0.08 R)
• M12: 9,703,367 km (0.075 R)
• M13: 10,134,657 km (0.052 R)
• M14: 10,748,607 km (0.11 R)
• M15: 11,927,887 km (0.094 R)
• M16: 21,589,366 km (0.099 R)
• M17: 23,267,555 km (0.073 R)
• M18: 32,140,654 km (0.03 R)
• M19: 32,978,402 km (0.094 R)
• M20: 38,984,308 km (0.085 R)
• M21: 41,606,010 km (0.103 R)
• M22: 43,321,000 km (0.086 R)
• M23: 55,291,373 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 846.4

Radius: 4.4

Gravity: 43.72 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 11.99 AU - 15.51 AU

Year: 19208 Days

Day: 23.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 67,963,246 km

• M1: 54,753 km (0.082 R)
• M2: 233,223 km (0.114 R)
• M3: 1,111,961 km (0.115 R)
• M4: 2,072,978 km (0.09 R)
• M5: 3,316,136 km (0.086 R)
• M6: 4,012,813 km (0.11 R)
• M7: 4,344,472 km (0.116 R)
• M8: 4,622,574 km (0.086 R)
• M9: 4,949,595 km (0.063 R)
• M10: 5,488,746 km (0.12 R)
• M11: 5,731,394 km (0.067 R)
• M12: 6,502,571 km (0.118 R)
• M13: 7,340,618 km (0.109 R)
• M14: 10,466,914 km (0.118 R)
• M15: 10,840,161 km (0.116 R)
• M16: 11,158,056 km (0.093 R)
• M17: 11,416,711 km (0.099 R)
• M18: 12,353,792 km (0.071 R)
• M19: 12,491,721 km (0.047 R)
• M20: 12,630,698 km (0.105 R)
• M21: 13,340,989 km (0.071 R)
• M22: 13,928,160 km (0.056 R)
• M23: 14,379,796 km (0.109 R)
• M24: 14,918,797 km (0.073 R)
• M25: 16,283,878 km (0.106 R)
• M26: 17,905,668 km (0.118 R)
• M27: 18,619,549 km (0.114 R)
• M28: 19,445,180 km (0.066 R)
• M29: 19,914,319 km (0.055 R)
• M30: 23,835,578 km (0.043 R)
• M31: 24,049,503 km (0.115 R)
• M32: 25,694,930 km (0.104 R)
• M33: 25,919,925 km (0.089 R)
• M34: 30,071,566 km (0.076 R)
• M35: 31,978,789 km (0.089 R)
• M36: 32,500,736 km (0.063 R)
• M37: 44,814,735 km (0.086 R)
• M38: 48,830,690 km (0.059 R)
• M39: 58,535,403 km (0.119 R)
• M40: 67,507,386 km (0.052 R)
• M41: 67,721,310 km (0.115 R)
• M42: 76,420,875 km (0.105 R)
• M43: 79,240,347 km (0.046 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.2

Radius: 6.2

Gravity: 21.18 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 11.19 AU - 17.25 AU

Year: 20201 Days

Day: 15.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,963,246 km

• M1: 102,624 km (0.095 R)
• M2: 409,150 km (0.102 R)
• M3: 1,298,659 km (0.109 R)
• M4: 1,781,411 km (0.071 R)
• M5: 2,635,017 km (0.079 R)
• M6: 3,235,204 km (0.118 R)
• M7: 5,382,681 km (0.097 R)
• M8: 6,477,289 km (0.113 R)
• M9: 8,764,640 km (0.08 R)
• M10: 10,767,008 km (0.108 R)
• M11: 17,499,061 km (0.05 R)
• M12: 20,058,232 km (0.105 R)
• M13: 23,382,147 km (0.12 R)
• M14: 36,940,651 km (0.092 R)
• M15: 37,956,570 km (0.086 R)
• M16: 42,679,973 km (0.066 R)
• M17: 49,859,325 km (0.091 R)
• M18: 67,621,080 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 295.4

Radius: 7.8

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 14.78 AU - 18.62 AU

Year: 25710 Days

Day: 22.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,963,246 km

• M1: 97,538 km (0.102 R)
• M2: 396,285 km (0.105 R)
• M3: 639,980 km (0.03 R)
• M4: 977,772 km (0.069 R)
• M5: 1,303,596 km (0.05 R)
• M6: 3,159,058 km (0.085 R)
• M7: 3,534,698 km (0.099 R)
• M8: 5,530,633 km (0.106 R)
• M9: 7,370,388 km (0.057 R)
• M10: 11,022,670 km (0.071 R)
• M11: 11,574,088 km (0.072 R)
• M12: 12,143,607 km (0.086 R)
• M13: 12,402,561 km (0.112 R)
• M14: 13,823,741 km (0.106 R)
• M15: 15,350,387 km (0.117 R)
• M16: 15,883,255 km (0.094 R)
• M17: 19,431,417 km (0.076 R)
• M18: 19,965,182 km (0.117 R)
• M19: 20,968,984 km (0.091 R)
• M20: 21,910,553 km (0.062 R)
• M21: 24,284,522 km (0.092 R)
• M22: 25,639,579 km (0.111 R)
• M23: 26,606,729 km (0.063 R)
• M24: 28,272,352 km (0.042 R)
• M25: 32,055,981 km (0.115 R)
• M26: 32,551,449 km (0.092 R)
• M27: 32,801,128 km (0.054 R)
• M28: 39,042,501 km (0.083 R)
• M29: 39,465,713 km (0.059 R)
• M30: 42,813,564 km (0.107 R)
• M31: 50,902,620 km (0.06 R)
• M32: 51,746,502 km (0.083 R)
• M33: 56,106,532 km (0.073 R)
• M34: 56,465,567 km (0.117 R)
• M35: 67,152,091 km (0.089 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 17,064 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit