🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.47 AU - 0.79 AU

Year: 323 Days

Day: 44.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.06 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819

Radius: 12.6

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.22 AU - 1.74 AU

Year: 1163 Days

Day: 9.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,000,712 km

• M1: 157,227 km (0.03 R)
• M2: 1,042,847 km (0.075 R)
• M3: 1,529,788 km (0.105 R)
• M4: 3,219,346 km (0.102 R)
• M5: 4,312,458 km (0.108 R)
• M6: 6,751,801 km (0.082 R)
• M7: 7,424,991 km (0.081 R)
• M8: 9,230,039 km (0.091 R)
• M9: 10,838,964 km (0.118 R)
• M10: 11,483,731 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.7

Radius: 10.3

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.81 AU - 3.35 AU

Year: 3490 Days

Day: 6.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,000,712 km

• M1: 128,056 km (0.097 R)
• M2: 494,870 km (0.073 R)
• M3: 2,877,365 km (0.067 R)
• M4: 3,561,925 km (0.113 R)
• M5: 3,887,001 km (0.065 R)
• M6: 4,555,854 km (0.065 R)
• M7: 5,773,879 km (0.084 R)
• M8: 6,354,020 km (0.069 R)
• M9: 6,972,607 km (0.08 R)
• M10: 7,310,998 km (0.088 R)
• M11: 8,236,410 km (0.088 R)
• M12: 11,250,508 km (0.098 R)
• M13: 11,638,565 km (0.071 R)
• M14: 13,194,981 km (0.103 R)
• M15: 13,539,654 km (0.029 R)
• M16: 14,112,465 km (0.106 R)
• M17: 14,793,285 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.8

Radius: 8.4

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.29 AU - 3.35 AU

Year: 3906 Days

Day: 10.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,000,712 km

• M1: 104,419 km (0.119 R)
• M2: 398,379 km (0.119 R)
• M3: 825,631 km (0.053 R)
• M4: 1,173,595 km (0.118 R)
• M5: 1,489,546 km (0.069 R)
• M6: 1,936,694 km (0.027 R)
• M7: 2,592,082 km (0.078 R)
• M8: 3,100,266 km (0.113 R)
• M9: 3,692,823 km (0.081 R)
• M10: 4,744,048 km (0.035 R)
• M11: 5,530,932 km (0.082 R)
• M12: 6,810,593 km (0.091 R)
• M13: 8,379,575 km (0.068 R)
• M14: 8,833,455 km (0.092 R)
• M15: 9,340,442 km (0.068 R)
• M16: 10,896,111 km (0.043 R)
• M17: 15,270,203 km (0.101 R)
• M18: 15,736,948 km (0.117 R)
• M19: 17,643,722 km (0.048 R)
• M20: 19,456,699 km (0.038 R)
• M21: 20,190,776 km (0.114 R)
• M22: 20,501,939 km (0.106 R)
• M23: 21,070,262 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.8

Radius: 12.8

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.83 AU - 4.23 AU

Year: 5224 Days

Day: 12.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,000,712 km

• M1: 160,219 km (0.081 R)
• M2: 740,659 km (0.115 R)
• M3: 1,289,833 km (0.054 R)
• M4: 1,698,983 km (0.099 R)
• M5: 2,181,436 km (0.092 R)
• M6: 2,615,719 km (0.093 R)
• M7: 3,127,493 km (0.1 R)
• M8: 3,640,614 km (0.032 R)
• M9: 4,067,865 km (0.076 R)
• M10: 4,811,367 km (0.073 R)
• M11: 5,498,470 km (0.045 R)
• M12: 6,833,032 km (0.094 R)
• M13: 7,702,495 km (0.11 R)
• M14: 8,334,845 km (0.063 R)
• M15: 8,762,396 km (0.066 R)
• M16: 9,874,207 km (0.034 R)
• M17: 12,129,395 km (0.07 R)
• M18: 12,934,980 km (0.101 R)
• M19: 13,615,501 km (0.11 R)
• M20: 14,046,043 km (0.087 R)
• M21: 15,048,199 km (0.095 R)
• M22: 15,683,691 km (0.085 R)
• M23: 16,946,746 km (0.091 R)
• M24: 18,668,917 km (0.057 R)
• M25: 24,612,739 km (0.118 R)
• M26: 25,333,502 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.1

Radius: 13.1

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.73 AU - 4.57 AU

Year: 5459 Days

Day: 14.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,000,712 km

• M1: 162,912 km (0.116 R)
• M2: 581,936 km (0.038 R)
• M3: 1,156,092 km (0.106 R)
• M4: 1,718,730 km (0.101 R)
• M5: 2,478,238 km (0.062 R)
• M6: 3,069,599 km (0.077 R)
• M7: 3,866,058 km (0.073 R)
• M8: 4,691,539 km (0.077 R)
• M9: 6,759,729 km (0.054 R)
• M10: 8,727,390 km (0.11 R)
• M11: 11,286,262 km (0.086 R)
• M12: 12,711,929 km (0.042 R)
• M13: 13,763,004 km (0.118 R)
• M14: 15,918,560 km (0.107 R)
• M15: 16,766,780 km (0.108 R)
• M16: 18,685,672 km (0.087 R)
• M17: 19,153,763 km (0.104 R)
• M18: 20,043,871 km (0.06 R)
• M19: 22,352,315 km (0.048 R)
• M20: 23,338,913 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.9

Radius: 4.9

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 8.73 AU - 8.77 AU

Year: 16712 Days

Day: 20.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,000,712 km

• M1: 60,886 km (0.071 R)
• M2: 316,549 km (0.092 R)
• M3: 575,353 km (0.047 R)
• M4: 1,205,011 km (0.079 R)
• M5: 2,054,577 km (0.095 R)
• M6: 2,448,768 km (0.103 R)
• M7: 3,603,962 km (0.09 R)
• M8: 4,314,253 km (0.037 R)
• M9: 4,658,178 km (0.095 R)
• M10: 7,761,886 km (0.111 R)
• M11: 8,936,827 km (0.08 R)
• M12: 9,734,782 km (0.088 R)
• M13: 9,929,259 km (0.117 R)
• M14: 10,992,900 km (0.091 R)
• M15: 23,919,503 km (0.095 R)
• M16: 25,726,196 km (0.115 R)
• M17: 27,621,900 km (0.109 R)
• M18: 27,914,065 km (0.082 R)
• M19: 29,204,048 km (0.042 R)
• M20: 34,423,368 km (0.095 R)
• M21: 35,674,903 km (0.051 R)
• M22: 37,668,295 km (0.113 R)
• M23: 42,003,492 km (0.112 R)
• M24: 42,260,800 km (0.119 R)
• M25: 43,959,035 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.5

Radius: 5.2

Gravity: 16.77 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 8.24 AU - 10.5 AU

Year: 18519 Days

Day: 24.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,000,712 km

• M1: 65,374 km (0.109 R)
• M2: 303,534 km (0.112 R)
• M3: 538,552 km (0.103 R)
• M4: 1,763,908 km (0.116 R)
• M5: 2,205,222 km (0.029 R)
• M6: 2,560,218 km (0.11 R)
• M7: 2,786,260 km (0.093 R)
• M8: 3,050,151 km (0.082 R)
• M9: 4,562,885 km (0.051 R)
• M10: 5,838,057 km (0.078 R)
• M11: 7,468,973 km (0.116 R)
• M12: 8,863,075 km (0.086 R)
• M13: 13,122,276 km (0.101 R)
• M14: 13,388,710 km (0.069 R)
• M15: 15,801,574 km (0.108 R)
• M16: 18,740,424 km (0.044 R)
• M17: 18,908,872 km (0.098 R)
• M18: 21,744,350 km (0.066 R)
• M19: 25,259,002 km (0.093 R)
• M20: 25,775,264 km (0.109 R)
• M21: 31,687,522 km (0.032 R)
• M22: 34,134,644 km (0.088 R)
• M23: 35,147,870 km (0.064 R)
• M24: 38,037,203 km (0.111 R)
• M25: 38,715,331 km (0.06 R)
• M26: 40,656,662 km (0.036 R)
• M27: 53,008,510 km (0.091 R)
• M28: 54,880,876 km (0.064 R)
• M29: 58,218,255 km (0.117 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 18,005 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit