🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.46 AU - 0.74 AU

Year: 296 Days

Day: 24.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.9

Radius: 8.4

Gravity: 12.02 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.65 AU - 0.93 AU

Year: 446 Days

Day: 12.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 84.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,803,555 km

• M1: 104,419 km (0.108 R)
• M2: 382,372 km (0.032 R)
• M3: 658,530 km (0.117 R)
• M4: 1,031,926 km (0.085 R)
• M5: 1,393,355 km (0.071 R)
• M6: 1,767,200 km (0.083 R)
• M7: 2,090,481 km (0.093 R)
• M8: 2,718,193 km (0.104 R)
• M9: 3,070,795 km (0.088 R)
• M10: 3,428,783 km (0.099 R)
• M11: 3,908,544 km (0.105 R)
• M12: 4,476,716 km (0.089 R)
• M13: 5,431,151 km (0.093 R)
• M14: 6,047,195 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.1

Radius: 14.4

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.84 AU - 1.38 AU

Year: 744 Days

Day: 13.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,803,555 km

• M1: 179,218 km (0.097 R)
• M2: 643,720 km (0.101 R)
• M3: 1,091,466 km (0.027 R)
• M4: 1,663,080 km (0.109 R)
• M5: 2,335,821 km (0.072 R)
• M6: 2,827,549 km (0.092 R)
• M7: 4,024,033 km (0.032 R)
• M8: 4,694,680 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441

Radius: 9.9

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.93 AU - 1.51 AU

Year: 857 Days

Day: 12.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,803,555 km

• M1: 136,433 km (0.08 R)
• M2: 462,706 km (0.073 R)
• M3: 840,142 km (0.099 R)
• M4: 2,516,087 km (0.095 R)
• M5: 3,030,554 km (0.094 R)
• M6: 3,739,199 km (0.105 R)
• M7: 4,652,045 km (0.036 R)
• M8: 5,126,121 km (0.111 R)
• M9: 5,539,310 km (0.112 R)
• M10: 7,307,557 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.7

Radius: 11.7

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.12 AU - 1.44 AU

Year: 921 Days

Day: 11.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,803,555 km

• M1: 149,747 km (0.075 R)
• M2: 825,331 km (0.109 R)
• M3: 1,323,044 km (0.107 R)
• M4: 2,721,036 km (0.091 R)
• M5: 3,168,184 km (0.105 R)
• M6: 4,290,018 km (0.069 R)
• M7: 5,003,301 km (0.05 R)
• M8: 5,698,033 km (0.051 R)
• M9: 6,946,727 km (0.068 R)
• M10: 7,859,573 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.6

Radius: 9.5

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.5 AU - 2.2 AU

Year: 1600 Days

Day: 7.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,803,555 km

• M1: 118,482 km (0.114 R)
• M2: 700,118 km (0.114 R)
• M3: 1,722,320 km (0.117 R)
• M4: 2,868,988 km (0.11 R)
• M5: 3,490,866 km (0.059 R)
• M6: 4,982,656 km (0.084 R)
• M7: 5,752,637 km (0.094 R)
• M8: 6,323,652 km (0.112 R)
• M9: 6,932,066 km (0.067 R)
• M10: 7,838,330 km (0.088 R)
• M11: 8,265,731 km (0.111 R)
• M12: 9,254,872 km (0.111 R)
• M13: 9,762,907 km (0.118 R)
• M14: 10,704,775 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.3

Radius: 12

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.39 AU - 3.29 AU

Year: 3043 Days

Day: 11.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,803,555 km

• M1: 149,299 km (0.093 R)
• M2: 800,648 km (0.09 R)
• M3: 1,364,482 km (0.113 R)
• M4: 2,212,852 km (0.091 R)
• M5: 2,788,056 km (0.102 R)
• M6: 3,274,099 km (0.028 R)
• M7: 4,328,465 km (0.114 R)
• M8: 5,157,237 km (0.032 R)
• M9: 5,650,012 km (0.116 R)
• M10: 6,580,661 km (0.095 R)
• M11: 7,192,666 km (0.09 R)
• M12: 7,610,792 km (0.104 R)
• M13: 8,963,306 km (0.032 R)
• M14: 10,268,099 km (0.071 R)
• M15: 13,539,804 km (0.086 R)
• M16: 13,980,071 km (0.115 R)
• M17: 14,531,339 km (0.035 R)
• M18: 15,784,221 km (0.094 R)
• M19: 17,392,847 km (0.067 R)
• M20: 18,089,375 km (0.091 R)
• M21: 19,975,355 km (0.086 R)
• M22: 21,063,530 km (0.063 R)
• M23: 22,803,652 km (0.101 R)
• M24: 23,567,948 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 940.7

Radius: 7.5

Gravity: 16.72 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 6.72 AU - 6.86 AU

Year: 11250 Days

Day: 23.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,803,555 km

• M1: 93,798 km (0.036 R)
• M2: 428,897 km (0.048 R)
• M3: 898,634 km (0.067 R)
• M4: 1,496,577 km (0.112 R)
• M5: 3,031,302 km (0.055 R)
• M6: 3,943,849 km (0.113 R)
• M7: 4,235,415 km (0.099 R)
• M8: 6,181,982 km (0.039 R)
• M9: 6,496,138 km (0.115 R)
• M10: 10,861,105 km (0.069 R)
• M11: 12,091,248 km (0.073 R)
• M12: 16,335,788 km (0.033 R)
• M13: 19,076,720 km (0.089 R)
• M14: 19,659,554 km (0.074 R)
• M15: 23,788,455 km (0.104 R)
• M16: 29,884,568 km (0.083 R)
• M17: 34,073,608 km (0.11 R)
• M18: 36,945,588 km (0.093 R)
• M19: 41,203,891 km (0.095 R)
• M20: 46,822,338 km (0.096 R)
• M21: 49,735,757 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510.4

Radius: 4.8

Gravity: 22.15 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.3 AU - 7.8 AU

Year: 11902 Days

Day: 20.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,803,555 km

• M1: 61,335 km (0.057 R)
• M2: 378,483 km (0.104 R)
• M3: 725,101 km (0.086 R)
• M4: 896,839 km (0.117 R)
• M5: 1,612,366 km (0.099 R)
• M6: 1,859,651 km (0.089 R)
• M7: 2,113,968 km (0.106 R)
• M8: 2,755,593 km (0.079 R)
• M9: 2,973,407 km (0.116 R)
• M10: 3,645,251 km (0.113 R)
• M11: 3,935,172 km (0.051 R)
• M12: 4,183,654 km (0.077 R)
• M13: 5,450,449 km (0.115 R)
• M14: 7,357,672 km (0.101 R)
• M15: 8,392,590 km (0.067 R)
• M16: 9,278,060 km (0.094 R)
• M17: 11,015,190 km (0.079 R)
• M18: 13,757,319 km (0.119 R)
• M19: 14,009,691 km (0.12 R)
• M20: 16,423,153 km (0.058 R)
• M21: 18,405,325 km (0.108 R)
• M22: 18,789,044 km (0.114 R)
• M23: 25,110,302 km (0.117 R)
• M24: 25,392,743 km (0.092 R)
• M25: 26,935,545 km (0.09 R)
• M26: 29,053,702 km (0.113 R)
• M27: 35,357,606 km (0.109 R)
• M28: 35,712,602 km (0.096 R)
• M29: 38,388,459 km (0.119 R)
• M30: 44,272,293 km (0.086 R)
• M31: 48,366,188 km (0.085 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 19,732 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit