🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.59 AU - 0.63 AU

Year: 211 Days

Day: 38.8 Hours

Environment

Temp: 13 °C

Axial Tilt: 21.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 26,151,835 km

• M1: 143,764 km (0.1 R)
• M2: 159,471 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.85 AU - 2.07 AU

Year: 1215 Days

Day: 15.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 45.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.7

Radius: 11.8

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.4 AU - 2.72 AU

Year: 1814 Days

Day: 11.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,151,835 km

• M1: 147,354 km (0.089 R)
• M2: 527,183 km (0.115 R)
• M3: 977,323 km (0.117 R)
• M4: 1,379,741 km (0.118 R)
• M5: 2,172,311 km (0.115 R)
• M6: 3,092,487 km (0.09 R)
• M7: 4,395,933 km (0.063 R)
• M8: 5,181,472 km (0.063 R)
• M9: 9,524,148 km (0.119 R)
• M10: 10,450,907 km (0.119 R)
• M11: 10,838,216 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.2

Radius: 10.6

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.64 AU - 3.94 AU

Year: 2643 Days

Day: 11 Hours

Environment

Temp: -164 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,151,835 km

• M1: 131,796 km (0.107 R)
• M2: 467,045 km (0.102 R)
• M3: 816,356 km (0.053 R)
• M4: 1,403,976 km (0.101 R)
• M5: 1,883,138 km (0.091 R)
• M6: 2,566,800 km (0.054 R)
• M7: 2,935,858 km (0.062 R)
• M8: 3,512,708 km (0.089 R)
• M9: 4,222,998 km (0.093 R)
• M10: 4,676,429 km (0.118 R)
• M11: 5,779,415 km (0.11 R)
• M12: 6,632,870 km (0.117 R)
• M13: 6,963,482 km (0.114 R)
• M14: 7,598,076 km (0.1 R)
• M15: 9,912,056 km (0.099 R)
• M16: 10,381,793 km (0.115 R)
• M17: 11,601,464 km (0.074 R)
• M18: 13,917,090 km (0.077 R)
• M19: 15,254,794 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.5

Radius: 9.4

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3 AU - 3.72 AU

Year: 2728 Days

Day: 5.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,151,835 km

• M1: 119,828 km (0.096 R)
• M2: 495,019 km (0.114 R)
• M3: 855,401 km (0.051 R)
• M4: 1,274,424 km (0.077 R)
• M5: 1,903,483 km (0.087 R)
• M6: 2,239,779 km (0.045 R)
• M7: 2,812,440 km (0.113 R)
• M8: 3,878,026 km (0.062 R)
• M9: 4,955,280 km (0.038 R)
• M10: 5,460,621 km (0.048 R)
• M11: 6,888,832 km (0.066 R)
• M12: 8,068,262 km (0.09 R)
• M13: 9,085,378 km (0.068 R)
• M14: 9,575,161 km (0.109 R)
• M15: 10,930,967 km (0.116 R)
• M16: 12,174,724 km (0.116 R)
• M17: 12,972,978 km (0.085 R)
• M18: 13,384,970 km (0.083 R)
• M19: 14,105,434 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.4

Radius: 13.1

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.61 AU - 4.23 AU

Year: 3438 Days

Day: 13.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,151,835 km

• M1: 162,912 km (0.12 R)
• M2: 722,707 km (0.118 R)
• M3: 1,226,553 km (0.078 R)
• M4: 2,770,852 km (0.079 R)
• M5: 3,865,908 km (0.049 R)
• M6: 4,386,958 km (0.087 R)
• M7: 6,267,253 km (0.103 R)
• M8: 7,501,136 km (0.119 R)
• M9: 8,280,841 km (0.11 R)
• M10: 9,001,902 km (0.036 R)
• M11: 10,528,698 km (0.108 R)
• M12: 12,777,603 km (0.078 R)
• M13: 15,118,660 km (0.054 R)
• M14: 17,557,404 km (0.077 R)
• M15: 18,027,441 km (0.1 R)
• M16: 19,426,031 km (0.054 R)
• M17: 20,765,082 km (0.095 R)
• M18: 22,096,653 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.2

Radius: 9.1

Gravity: 11.62 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.3 AU - 4.8 AU

Year: 3610 Days

Day: 9.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 26,151,835 km

• M1: 131,646 km (0.047 R)
• M2: 552,166 km (0.113 R)
• M3: 993,031 km (0.097 R)
• M4: 1,305,391 km (0.074 R)
• M5: 1,821,952 km (0.1 R)
• M6: 2,268,053 km (0.114 R)
• M7: 2,616,018 km (0.075 R)
• M8: 3,110,589 km (0.068 R)
• M9: 3,624,607 km (0.091 R)
• M10: 4,035,103 km (0.059 R)
• M11: 5,374,154 km (0.108 R)
• M12: 5,679,633 km (0.109 R)
• M13: 6,085,492 km (0.108 R)
• M14: 6,762,123 km (0.081 R)
• M15: 7,085,853 km (0.109 R)
• M16: 7,419,905 km (0.101 R)
• M17: 7,799,584 km (0.075 R)
• M18: 8,264,983 km (0.108 R)
• M19: 8,597,838 km (0.076 R)
• M20: 9,133,548 km (0.108 R)
• M21: 10,187,465 km (0.117 R)
• M22: 10,570,586 km (0.118 R)
• M23: 12,152,433 km (0.105 R)
• M24: 13,629,114 km (0.074 R)
• M25: 14,731,650 km (0.118 R)
• M26: 17,172,788 km (0.09 R)
• M27: 17,533,618 km (0.057 R)
• M28: 21,425,557 km (0.071 R)
• M29: 24,393,728 km (0.117 R)
• M30: 25,857,842 km (0.087 R)
• M31: 26,571,574 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.2

Radius: 12.8

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.48 AU - 4.7 AU

Year: 4356 Days

Day: 8.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,151,835 km

• M1: 166,203 km (0.09 R)
• M2: 654,640 km (0.05 R)
• M3: 1,669,063 km (0.119 R)
• M4: 3,146,492 km (0.066 R)
• M5: 3,668,289 km (0.081 R)
• M6: 4,205,795 km (0.115 R)
• M7: 4,704,703 km (0.074 R)
• M8: 5,146,616 km (0.113 R)
• M9: 5,641,635 km (0.107 R)
• M10: 7,139,708 km (0.118 R)
• M11: 7,820,677 km (0.084 R)
• M12: 9,241,259 km (0.087 R)
• M13: 11,271,152 km (0.104 R)
• M14: 14,004,904 km (0.104 R)
• M15: 14,435,596 km (0.117 R)
• M16: 15,273,195 km (0.07 R)
• M17: 16,457,711 km (0.057 R)
• M18: 16,991,476 km (0.088 R)
• M19: 18,777,674 km (0.119 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.5

Radius: 12.6

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.18 AU - 5.9 AU

Year: 5776 Days

Day: 14.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 111.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,151,835 km

• M1: 156,779 km (0.074 R)
• M2: 640,428 km (0.117 R)
• M3: 1,133,952 km (0.103 R)
• M4: 2,138,202 km (0.107 R)
• M5: 2,978,045 km (0.09 R)
• M6: 3,584,664 km (0.106 R)
• M7: 4,182,158 km (0.093 R)
• M8: 5,021,701 km (0.115 R)
• M9: 6,086,090 km (0.083 R)
• M10: 6,718,740 km (0.101 R)
• M11: 8,548,621 km (0.063 R)
• M12: 9,072,961 km (0.047 R)
• M13: 12,587,913 km (0.071 R)
• M14: 13,920,531 km (0.096 R)
• M15: 18,175,393 km (0.1 R)
• M16: 20,398,866 km (0.112 R)
• M17: 21,269,077 km (0.095 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: 233 - 15,114 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit