🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.4 AU - 0.62 AU

Year: 239 Days

Day: 34.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,039,034 km

• M1: 339,438 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.8

Radius: 13.7

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.59 AU - 0.77 AU

Year: 368 Days

Day: 11.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,039,034 km

• M1: 171,140 km (0.05 R)
• M2: 652,845 km (0.111 R)
• M3: 1,101,639 km (0.073 R)
• M4: 1,718,132 km (0.102 R)
• M5: 2,578,469 km (0.113 R)
• M6: 3,081,716 km (0.102 R)
• M7: 3,929,637 km (0.114 R)
• M8: 5,119,838 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.1

Radius: 8

Gravity: 13.7 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.74 AU - 0.86 AU

Year: 469 Days

Day: 6.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,039,034 km

• M1: 99,483 km (0.098 R)
• M2: 380,727 km (0.05 R)
• M3: 823,835 km (0.098 R)
• M4: 1,209,798 km (0.091 R)
• M5: 1,840,802 km (0.078 R)
• M6: 2,349,435 km (0.085 R)
• M7: 2,600,759 km (0.089 R)
• M8: 2,982,982 km (0.054 R)
• M9: 3,315,388 km (0.099 R)
• M10: 3,593,790 km (0.059 R)
• M11: 4,212,377 km (0.071 R)
• M12: 4,915,936 km (0.065 R)
• M13: 5,554,419 km (0.051 R)
• M14: 5,821,152 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.5

Radius: 11.5

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.62 AU - 2.3 AU

Year: 1800 Days

Day: 14.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,039,034 km

• M1: 143,016 km (0.116 R)
• M2: 586,424 km (0.108 R)
• M3: 1,383,032 km (0.06 R)
• M4: 1,896,602 km (0.11 R)
• M5: 4,337,441 km (0.051 R)
• M6: 5,339,597 km (0.064 R)
• M7: 7,352,885 km (0.08 R)
• M8: 9,762,308 km (0.093 R)
• M9: 11,998,796 km (0.062 R)
• M10: 12,854,646 km (0.114 R)
• M11: 13,502,255 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184

Radius: 13.5

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.38 AU - 2.46 AU

Year: 2470 Days

Day: 11.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,039,034 km

• M1: 169,046 km (0.118 R)
• M2: 627,413 km (0.106 R)
• M3: 2,402,991 km (0.107 R)
• M4: 2,933,465 km (0.081 R)
• M5: 5,273,624 km (0.083 R)
• M6: 5,865,433 km (0.1 R)
• M7: 6,430,913 km (0.071 R)
• M8: 10,723,774 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.1

Radius: 10.5

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.02 AU - 3.9 AU

Year: 4222 Days

Day: 14.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,039,034 km

• M1: 130,599 km (0.075 R)
• M2: 528,080 km (0.104 R)
• M3: 1,168,359 km (0.086 R)
• M4: 1,526,048 km (0.104 R)
• M5: 1,997,132 km (0.117 R)
• M6: 3,143,051 km (0.118 R)
• M7: 3,602,766 km (0.1 R)
• M8: 4,445,750 km (0.088 R)
• M9: 4,803,288 km (0.103 R)
• M10: 5,309,827 km (0.065 R)
• M11: 6,888,683 km (0.083 R)
• M12: 7,769,216 km (0.053 R)
• M13: 8,113,740 km (0.073 R)
• M14: 9,362,433 km (0.084 R)
• M15: 10,277,075 km (0.06 R)
• M16: 11,076,526 km (0.115 R)
• M17: 11,513,800 km (0.096 R)
• M18: 12,145,253 km (0.067 R)
• M19: 13,281,299 km (0.11 R)
• M20: 14,590,280 km (0.114 R)
• M21: 16,542,383 km (0.071 R)
• M22: 18,847,088 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.6

Radius: 12.1

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.34 AU - 6.28 AU

Year: 8027 Days

Day: 9.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,039,034 km

• M1: 268,229 km (0.091 R)
• M2: 1,489,546 km (0.118 R)
• M3: 3,137,516 km (0.076 R)
• M4: 4,424,656 km (0.04 R)
• M5: 5,977,183 km (0.065 R)
• M6: 6,557,473 km (0.112 R)
• M7: 7,208,523 km (0.06 R)
• M8: 9,999,271 km (0.119 R)
• M9: 11,822,121 km (0.09 R)
• M10: 12,298,441 km (0.107 R)
• M11: 12,738,109 km (0.06 R)
• M12: 13,137,685 km (0.097 R)
• M13: 13,752,682 km (0.079 R)
• M14: 20,934,427 km (0.1 R)
• M15: 27,126,133 km (0.04 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.6

Radius: 14.9

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.64 AU - 6.54 AU

Year: 8670 Days

Day: 7.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 94.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,039,034 km

• M1: 185,352 km (0.103 R)
• M2: 766,240 km (0.115 R)
• M3: 1,322,744 km (0.098 R)
• M4: 2,459,838 km (0.075 R)
• M5: 3,337,229 km (0.072 R)
• M6: 4,524,139 km (0.034 R)
• M7: 5,461,369 km (0.066 R)
• M8: 6,212,500 km (0.11 R)
• M9: 6,884,195 km (0.109 R)
• M10: 11,614,031 km (0.036 R)
• M11: 12,691,584 km (0.111 R)
• M12: 13,369,412 km (0.103 R)
• M13: 15,107,889 km (0.083 R)
• M14: 16,064,119 km (0.066 R)
• M15: 17,677,831 km (0.061 R)
• M16: 19,030,046 km (0.039 R)
• M17: 22,181,923 km (0.111 R)
• M18: 23,669,973 km (0.099 R)
• M19: 25,223,547 km (0.047 R)
• M20: 26,025,392 km (0.092 R)
• M21: 26,569,479 km (0.066 R)
• M22: 27,868,288 km (0.046 R)
• M23: 30,292,522 km (0.101 R)
• M24: 36,452,812 km (0.053 R)
• M25: 37,478,007 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 709.9

Radius: 3.6

Gravity: 54.78 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.65 AU - 10.09 AU

Year: 15885 Days

Day: 20.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,039,034 km

• M1: 62,831 km (0.049 R)
• M2: 186,399 km (0.114 R)
• M3: 719,117 km (0.119 R)
• M4: 1,003,503 km (0.054 R)
• M5: 1,372,860 km (0.115 R)
• M6: 1,572,423 km (0.059 R)
• M7: 2,127,132 km (0.114 R)
• M8: 3,810,856 km (0.105 R)
• M9: 4,205,346 km (0.068 R)
• M10: 5,328,527 km (0.084 R)
• M11: 5,476,928 km (0.116 R)
• M12: 7,527,166 km (0.1 R)
• M13: 8,244,638 km (0.112 R)
• M14: 8,696,423 km (0.117 R)
• M15: 9,539,856 km (0.106 R)
• M16: 9,759,017 km (0.049 R)
• M17: 10,207,212 km (0.101 R)
• M18: 10,552,335 km (0.108 R)
• M19: 12,525,531 km (0.066 R)
• M20: 22,295,019 km (0.09 R)
• M21: 22,973,147 km (0.036 R)
• M22: 24,268,664 km (0.113 R)
• M23: 29,359,031 km (0.114 R)
• M24: 32,706,283 km (0.099 R)
• M25: 36,033,938 km (0.066 R)
• M26: 57,344,305 km (0.087 R)
• M27: 64,858,306 km (0.075 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: 483 - 17,190 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit