🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.46 AU - 0.64 AU

Year: 268 Days

Day: 22.1 Hours

Environment

Temp: -124 °C

Axial Tilt: 19 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.8

Radius: 10.6

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.16 AU - 1.22 AU

Year: 852 Days

Day: 5.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 84,831,615 km

• M1: 131,796 km (0.106 R)
• M2: 503,696 km (0.078 R)
• M3: 932,444 km (0.075 R)
• M4: 1,467,705 km (0.066 R)
• M5: 1,816,417 km (0.079 R)
• M6: 2,339,860 km (0.059 R)
• M7: 3,201,544 km (0.064 R)
• M8: 4,097,934 km (0.029 R)
• M9: 4,837,696 km (0.034 R)
• M10: 5,463,913 km (0.102 R)
• M11: 6,229,405 km (0.084 R)
• M12: 6,924,586 km (0.1 R)
• M13: 8,985,895 km (0.049 R)
• M14: 9,755,876 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.5

Radius: 8.7

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.14 AU - 1.82 AU

Year: 1181 Days

Day: 10.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,831,615 km

• M1: 108,159 km (0.072 R)
• M2: 417,079 km (0.079 R)
• M3: 725,550 km (0.096 R)
• M4: 1,255,575 km (0.115 R)
• M5: 1,736,682 km (0.105 R)
• M6: 2,235,890 km (0.051 R)
• M7: 2,546,904 km (0.052 R)
• M8: 2,910,427 km (0.101 R)
• M9: 3,440,003 km (0.11 R)
• M10: 3,987,980 km (0.112 R)
• M11: 4,337,740 km (0.114 R)
• M12: 5,046,834 km (0.118 R)
• M13: 5,511,784 km (0.074 R)
• M14: 5,927,217 km (0.047 R)
• M15: 6,527,404 km (0.087 R)
• M16: 7,480,193 km (0.089 R)
• M17: 7,778,640 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.4

Radius: 13.1

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.82 AU - 1.9 AU

Year: 1664 Days

Day: 9.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,831,615 km

• M1: 163,211 km (0.081 R)
• M2: 588,668 km (0.07 R)
• M3: 1,073,514 km (0.111 R)
• M4: 1,572,274 km (0.098 R)
• M5: 2,494,993 km (0.032 R)
• M6: 3,115,525 km (0.075 R)
• M7: 3,941,754 km (0.072 R)
• M8: 4,848,168 km (0.088 R)
• M9: 5,797,067 km (0.12 R)
• M10: 6,738,187 km (0.075 R)
• M11: 8,771,073 km (0.089 R)
• M12: 9,521,007 km (0.099 R)
• M13: 10,211,999 km (0.081 R)
• M14: 11,042,268 km (0.075 R)
• M15: 12,603,022 km (0.091 R)
• M16: 14,054,122 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826

Radius: 13.9

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.92 AU - 4.68 AU

Year: 4859 Days

Day: 7.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 84,831,615 km

• M1: 181,911 km (0.089 R)
• M2: 622,926 km (0.117 R)
• M3: 1,517,521 km (0.086 R)
• M4: 2,240,827 km (0.059 R)
• M5: 3,245,376 km (0.079 R)
• M6: 3,930,684 km (0.115 R)
• M7: 5,111,161 km (0.081 R)
• M8: 5,621,738 km (0.117 R)
• M9: 6,073,075 km (0.049 R)
• M10: 6,845,898 km (0.088 R)
• M11: 8,127,353 km (0.055 R)
• M12: 8,825,377 km (0.09 R)
• M13: 9,271,478 km (0.049 R)
• M14: 11,684,491 km (0.06 R)
• M15: 14,048,886 km (0.107 R)
• M16: 15,401,699 km (0.092 R)
• M17: 17,401,524 km (0.025 R)
• M18: 18,827,490 km (0.075 R)
• M19: 22,959,384 km (0.075 R)
• M20: 25,890,305 km (0.057 R)
• M21: 26,723,416 km (0.109 R)
• M22: 27,574,328 km (0.066 R)
• M23: 28,355,528 km (0.109 R)
• M24: 29,062,229 km (0.08 R)
• M25: 29,599,883 km (0.057 R)
• M26: 30,235,674 km (0.118 R)
• M27: 30,880,591 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.3

Radius: 4.1

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 5.62 AU - 6.18 AU

Year: 9401 Days

Day: 20.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,831,615 km

• M1: 52,808 km (0.052 R)
• M2: 246,986 km (0.111 R)
• M3: 524,341 km (0.115 R)
• M4: 1,036,115 km (0.089 R)
• M5: 1,505,703 km (0.062 R)
• M6: 1,654,552 km (0.062 R)
• M7: 2,276,730 km (0.115 R)
• M8: 2,567,997 km (0.061 R)
• M9: 3,986,634 km (0.072 R)
• M10: 5,692,199 km (0.094 R)
• M11: 6,888,982 km (0.064 R)
• M12: 7,864,510 km (0.113 R)
• M13: 8,527,827 km (0.105 R)
• M14: 9,494,977 km (0.037 R)
• M15: 13,357,893 km (0.081 R)
• M16: 21,291,966 km (0.09 R)
• M17: 22,028,137 km (0.095 R)
• M18: 22,368,472 km (0.076 R)
• M19: 22,781,213 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.8

Radius: 6.2

Gravity: 25.07 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 9.26 AU - 10.16 AU

Year: 19849 Days

Day: 15.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 84,831,615 km

• M1: 79,586 km (0.045 R)
• M2: 417,827 km (0.098 R)
• M3: 1,094,907 km (0.101 R)
• M4: 1,354,310 km (0.107 R)
• M5: 2,059,813 km (0.068 R)
• M6: 2,275,084 km (0.083 R)
• M7: 3,067,953 km (0.074 R)
• M8: 3,773,606 km (0.1 R)
• M9: 4,097,635 km (0.088 R)
• M10: 4,727,742 km (0.076 R)
• M11: 7,198,799 km (0.118 R)
• M12: 7,395,670 km (0.064 R)
• M13: 8,113,441 km (0.099 R)
• M14: 8,653,788 km (0.112 R)
• M15: 9,046,183 km (0.106 R)
• M16: 12,063,123 km (0.088 R)
• M17: 13,275,165 km (0.107 R)
• M18: 18,020,410 km (0.112 R)
• M19: 18,292,678 km (0.052 R)
• M20: 19,791,649 km (0.107 R)
• M21: 22,504,008 km (0.109 R)
• M22: 23,460,387 km (0.073 R)
• M23: 24,333,141 km (0.12 R)
• M24: 30,539,957 km (0.107 R)
• M25: 34,421,722 km (0.113 R)
• M26: 35,690,013 km (0.098 R)
• M27: 36,989,420 km (0.106 R)
• M28: 37,724,693 km (0.075 R)
• M29: 38,021,496 km (0.072 R)
• M30: 41,075,985 km (0.083 R)
• M31: 58,427,692 km (0.094 R)
• M32: 59,625,223 km (0.075 R)
• M33: 60,839,060 km (0.115 R)
• M34: 63,525,389 km (0.12 R)
• M35: 68,470,197 km (0.114 R)
• M36: 70,472,864 km (0.088 R)
• M37: 76,952,696 km (0.119 R)
• M38: 79,847,415 km (0.088 R)
• M39: 81,816,871 km (0.106 R)
• M40: 83,566,717 km (0.046 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: 306 - 17,066 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit