🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.49 AU - 0.55 AU

Year: 137 Days

Day: 26.8 Hours

Environment

Temp: 176 °C

Axial Tilt: 33.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 73,118,489 km

• M1: 51,910 km (0.094 R)
• M2: 144,960 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.03 AU - 1.13 AU

Year: 410 Days

Day: 30.3 Hours

Environment

Temp: 4 °C

Axial Tilt: 3.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.16 AU - 1.35 AU

Year: 510 Days

Day: 46.9 Hours

Environment

Temp: 9 °C

Axial Tilt: 5.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.99 AU - 2.79 AU

Year: 1350 Days

Day: 20.9 Hours

Environment

Temp: -84 °C

Axial Tilt: 0.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,118,489 km

• M1: 623,524 km (0.115 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.84 AU - 3.14 AU

Year: 1888 Days

Day: 40.2 Hours

Environment

Temp: -93 °C

Axial Tilt: 1.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.87 AU - 3.91 AU

Year: 2802 Days

Day: 22.9 Hours

Environment

Temp: -125 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.4

Radius: 11.3

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 9.31 AU - 11.29 AU

Year: 12074 Days

Day: 12.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,118,489 km

• M1: 140,772 km (0.082 R)
• M2: 582,833 km (0.096 R)
• M3: 1,036,713 km (0.112 R)
• M4: 1,399,189 km (0.115 R)
• M5: 2,392,668 km (0.044 R)
• M6: 2,848,493 km (0.047 R)
• M7: 4,317,694 km (0.093 R)
• M8: 7,679,008 km (0.084 R)
• M9: 10,159,191 km (0.045 R)
• M10: 10,723,175 km (0.086 R)
• M11: 11,691,223 km (0.08 R)
• M12: 13,800,703 km (0.073 R)
• M13: 14,685,873 km (0.116 R)
• M14: 17,351,408 km (0.076 R)
• M15: 20,084,113 km (0.089 R)
• M16: 23,267,256 km (0.063 R)
• M17: 25,817,900 km (0.1 R)
• M18: 31,792,240 km (0.084 R)
• M19: 37,648,548 km (0.089 R)
• M20: 38,381,578 km (0.074 R)
• M21: 42,452,734 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.4

Radius: 11.7

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 9.05 AU - 12.23 AU

Year: 12677 Days

Day: 11.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,118,489 km

• M1: 156,928 km (0.052 R)
• M2: 608,115 km (0.058 R)
• M3: 1,101,040 km (0.03 R)
• M4: 1,502,860 km (0.117 R)
• M5: 1,901,239 km (0.079 R)
• M6: 3,016,192 km (0.103 R)
• M7: 3,705,988 km (0.101 R)
• M8: 4,367,360 km (0.111 R)
• M9: 5,460,173 km (0.106 R)
• M10: 8,792,316 km (0.064 R)
• M11: 10,763,567 km (0.077 R)
• M12: 11,548,507 km (0.078 R)
• M13: 12,529,869 km (0.031 R)
• M14: 14,307,092 km (0.069 R)
• M15: 19,121,301 km (0.096 R)
• M16: 20,345,909 km (0.114 R)
• M17: 22,791,984 km (0.089 R)
• M18: 23,352,078 km (0.11 R)
• M19: 26,554,520 km (0.099 R)
• M20: 30,615,653 km (0.105 R)
• M21: 35,073,071 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.4

Radius: 6.1

Gravity: 23.74 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 12.42 AU - 18.6 AU

Year: 22310 Days

Day: 19.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 73,118,489 km

• M1: 75,996 km (0.083 R)
• M2: 336,146 km (0.051 R)
• M3: 715,676 km (0.058 R)
• M4: 1,117,047 km (0.07 R)
• M5: 1,449,903 km (0.116 R)
• M6: 1,695,093 km (0.081 R)
• M7: 2,779,080 km (0.103 R)
• M8: 3,827,013 km (0.111 R)
• M9: 4,024,332 km (0.091 R)
• M10: 5,037,409 km (0.045 R)
• M11: 7,103,356 km (0.12 R)
• M12: 7,301,722 km (0.036 R)
• M13: 9,494,977 km (0.118 R)
• M14: 10,293,081 km (0.047 R)
• M15: 12,882,022 km (0.034 R)
• M16: 14,484,215 km (0.107 R)
• M17: 19,205,375 km (0.096 R)
• M18: 21,806,134 km (0.048 R)
• M19: 22,120,588 km (0.095 R)
• M20: 23,408,476 km (0.048 R)
• M21: 26,133,102 km (0.088 R)
• M22: 26,487,949 km (0.064 R)
• M23: 28,434,516 km (0.089 R)
• M24: 30,474,582 km (0.108 R)
• M25: 30,736,229 km (0.108 R)
• M26: 35,706,768 km (0.098 R)
• M27: 44,967,325 km (0.07 R)
• M28: 53,969,227 km (0.118 R)
• M29: 54,160,563 km (0.113 R)
• M30: 55,318,151 km (0.118 R)
• M31: 55,707,554 km (0.089 R)
• M32: 55,903,079 km (0.119 R)
• M33: 56,098,902 km (0.057 R)
• M34: 61,562,516 km (0.072 R)
• M35: 75,907,306 km (0.053 R)
• M36: 78,823,567 km (0.062 R)
• M37: 79,069,955 km (0.104 R)
• M38: 84,362,578 km (0.108 R)
• M39: 85,396,748 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427.9

Radius: 4.2

Gravity: 24.26 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 13.07 AU - 19.35 AU

Year: 23838 Days

Day: 16.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,118,489 km

• M1: 52,210 km (0.112 R)
• M2: 220,208 km (0.058 R)
• M3: 443,857 km (0.115 R)
• M4: 594,053 km (0.06 R)
• M5: 738,565 km (0.071 R)
• M6: 918,232 km (0.08 R)
• M7: 1,443,021 km (0.095 R)
• M8: 1,815,819 km (0.113 R)
• M9: 2,084,796 km (0.103 R)
• M10: 2,379,803 km (0.047 R)
• M11: 2,848,643 km (0.087 R)
• M12: 3,723,341 km (0.101 R)
• M13: 6,191,856 km (0.088 R)
• M14: 6,578,118 km (0.042 R)
• M15: 7,932,427 km (0.112 R)
• M16: 8,595,894 km (0.063 R)
• M17: 9,687,659 km (0.108 R)
• M18: 12,275,104 km (0.073 R)
• M19: 13,441,668 km (0.112 R)
• M20: 15,834,486 km (0.118 R)
• M21: 16,393,383 km (0.106 R)
• M22: 18,496,730 km (0.059 R)
• M23: 19,206,123 km (0.102 R)
• M24: 21,058,443 km (0.12 R)
• M25: 21,442,760 km (0.076 R)
• M26: 31,748,259 km (0.111 R)
• M27: 34,063,435 km (0.096 R)
• M28: 38,738,967 km (0.078 R)
• M29: 40,931,025 km (0.085 R)
• M30: 41,679,762 km (0.08 R)
• M31: 52,434,652 km (0.103 R)
• M32: 54,030,861 km (0.103 R)
• M33: 55,659,234 km (0.076 R)
• M34: 64,092,365 km (0.056 R)
• M35: 71,378,829 km (0.103 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: 245 - 14,515 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit