🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.52 AU - 0.82 AU

Year: 360 Days

Day: 34.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 22.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.1

Radius: 15

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.12 AU - 1.32 AU

Year: 884 Days

Day: 12.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,972,255 km

• M1: 186,549 km (0.118 R)
• M2: 844,181 km (0.108 R)
• M3: 1,355,955 km (0.094 R)
• M4: 2,072,379 km (0.116 R)
• M5: 2,557,525 km (0.07 R)
• M6: 3,082,614 km (0.093 R)
• M7: 4,464,300 km (0.115 R)
• M8: 5,128,065 km (0.1 R)
• M9: 6,367,783 km (0.113 R)
• M10: 7,036,934 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252

Radius: 11.7

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.13 AU - 1.83 AU

Year: 1181 Days

Day: 10.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,972,255 km

• M1: 145,559 km (0.086 R)
• M2: 534,064 km (0.108 R)
• M3: 1,368,521 km (0.083 R)
• M4: 1,763,310 km (0.111 R)
• M5: 2,991,658 km (0.1 R)
• M6: 3,504,181 km (0.043 R)
• M7: 3,868,152 km (0.097 R)
• M8: 4,382,769 km (0.106 R)
• M9: 5,494,281 km (0.068 R)
• M10: 6,186,022 km (0.063 R)
• M11: 6,763,619 km (0.076 R)
• M12: 7,908,043 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.9

Radius: 12.5

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.77 AU - 2.75 AU

Year: 2229 Days

Day: 5.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,972,255 km

• M1: 157,527 km (0.103 R)
• M2: 878,140 km (0.093 R)
• M3: 2,220,481 km (0.116 R)
• M4: 3,980,650 km (0.074 R)
• M5: 4,578,742 km (0.119 R)
• M6: 5,652,705 km (0.064 R)
• M7: 7,546,913 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.5

Radius: 13.1

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.28 AU - 4.42 AU

Year: 5952 Days

Day: 5.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,972,255 km

• M1: 162,912 km (0.104 R)
• M2: 988,842 km (0.051 R)
• M3: 1,427,313 km (0.059 R)
• M4: 1,970,204 km (0.097 R)
• M5: 2,445,626 km (0.072 R)
• M6: 3,253,454 km (0.099 R)
• M7: 3,698,359 km (0.114 R)
• M8: 5,284,994 km (0.115 R)
• M9: 7,007,763 km (0.074 R)
• M10: 7,792,852 km (0.083 R)
• M11: 9,285,989 km (0.103 R)
• M12: 12,472,872 km (0.072 R)
• M13: 13,146,062 km (0.076 R)
• M14: 18,757,179 km (0.064 R)
• M15: 20,058,830 km (0.1 R)
• M16: 20,767,625 km (0.077 R)
• M17: 22,085,582 km (0.037 R)
• M18: 23,614,473 km (0.049 R)
• M19: 24,887,700 km (0.111 R)
• M20: 28,358,520 km (0.082 R)
• M21: 32,236,097 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 545.9

Radius: 3.9

Gravity: 35.89 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.54 AU - 6.58 AU

Year: 9786 Days

Day: 19.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,972,255 km

• M1: 56,249 km (0.084 R)
• M2: 190,288 km (0.072 R)
• M3: 631,004 km (0.084 R)
• M4: 808,726 km (0.066 R)
• M5: 1,040,304 km (0.102 R)
• M6: 1,171,800 km (0.07 R)
• M7: 1,550,582 km (0.087 R)
• M8: 3,175,963 km (0.098 R)
• M9: 3,801,282 km (0.12 R)
• M10: 3,982,894 km (0.101 R)
• M11: 4,143,113 km (0.111 R)
• M12: 5,071,368 km (0.039 R)
• M13: 5,323,440 km (0.072 R)
• M14: 6,308,093 km (0.045 R)
• M15: 7,053,988 km (0.09 R)
• M16: 9,690,052 km (0.109 R)
• M17: 11,358,368 km (0.065 R)
• M18: 11,735,355 km (0.043 R)
• M19: 12,120,569 km (0.096 R)
• M20: 12,974,474 km (0.065 R)
• M21: 13,149,952 km (0.059 R)
• M22: 13,928,609 km (0.088 R)
• M23: 15,975,407 km (0.12 R)
• M24: 18,360,895 km (0.083 R)
• M25: 21,295,855 km (0.105 R)
• M26: 22,034,121 km (0.115 R)
• M27: 23,735,647 km (0.114 R)
• M28: 24,528,964 km (0.084 R)
• M29: 26,825,441 km (0.052 R)
• M30: 29,462,253 km (0.046 R)
• M31: 30,584,387 km (0.108 R)
• M32: 35,017,421 km (0.05 R)
• M33: 38,519,657 km (0.072 R)
• M34: 40,107,189 km (0.09 R)
• M35: 43,804,650 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729

Radius: 5.3

Gravity: 25.95 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.32 AU - 7.94 AU

Year: 13826 Days

Day: 20.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 67,972,255 km

• M1: 81,082 km (0.091 R)
• M2: 323,879 km (0.091 R)
• M3: 536,907 km (0.044 R)
• M4: 794,514 km (0.115 R)
• M5: 1,060,051 km (0.069 R)
• M6: 1,341,444 km (0.1 R)
• M7: 1,873,265 km (0.11 R)
• M8: 2,206,868 km (0.065 R)
• M9: 3,114,179 km (0.058 R)
• M10: 3,291,004 km (0.032 R)
• M11: 3,474,411 km (0.104 R)
• M12: 4,889,606 km (0.094 R)
• M13: 5,705,812 km (0.063 R)
• M14: 6,244,963 km (0.086 R)
• M15: 8,844,974 km (0.113 R)
• M16: 9,047,230 km (0.115 R)
• M17: 11,301,521 km (0.106 R)
• M18: 13,105,222 km (0.111 R)
• M19: 13,567,629 km (0.099 R)
• M20: 14,949,016 km (0.08 R)
• M21: 20,170,281 km (0.102 R)
• M22: 20,697,763 km (0.115 R)
• M23: 23,474,000 km (0.117 R)
• M24: 23,861,908 km (0.116 R)
• M25: 27,763,570 km (0.106 R)
• M26: 29,978,366 km (0.103 R)
• M27: 34,630,860 km (0.099 R)
• M28: 36,541,225 km (0.06 R)
• M29: 37,853,198 km (0.118 R)
• M30: 39,196,138 km (0.059 R)
• M31: 44,441,638 km (0.05 R)
• M32: 47,617,451 km (0.099 R)
• M33: 48,239,030 km (0.07 R)
• M34: 53,910,435 km (0.095 R)
• M35: 56,471,401 km (0.104 R)
• M36: 56,993,049 km (0.096 R)
• M37: 57,517,988 km (0.096 R)
• M38: 58,755,461 km (0.117 R)
• M39: 59,650,057 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.4

Radius: 5.3

Gravity: 22.69 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.44 AU - 10.42 AU

Year: 17506 Days

Day: 21.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,972,255 km

• M1: 92,302 km (0.112 R)
• M2: 429,795 km (0.11 R)
• M3: 685,906 km (0.119 R)
• M4: 892,202 km (0.094 R)
• M5: 1,232,088 km (0.095 R)
• M6: 1,572,573 km (0.087 R)
• M7: 1,827,039 km (0.117 R)
• M8: 2,664,936 km (0.071 R)
• M9: 3,646,897 km (0.105 R)
• M10: 4,543,587 km (0.099 R)
• M11: 4,711,884 km (0.086 R)
• M12: 6,090,279 km (0.076 R)
• M13: 7,252,056 km (0.086 R)
• M14: 7,575,786 km (0.088 R)
• M15: 12,119,522 km (0.101 R)
• M16: 14,083,443 km (0.119 R)
• M17: 27,139,447 km (0.075 R)
• M18: 30,946,713 km (0.076 R)
• M19: 33,166,446 km (0.115 R)
• M20: 34,057,601 km (0.082 R)
• M21: 35,490,000 km (0.063 R)
• M22: 40,314,233 km (0.074 R)
• M23: 43,107,674 km (0.113 R)
• M24: 45,402,056 km (0.055 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 16,585 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit