🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.2 AU - 1.24 AU

Year: 476 Days

Day: 32.5 Hours

Environment

Temp: 16 °C

Axial Tilt: 21.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 86,207,247 km

• M1: 72,405 km (0.057 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.26 AU - 1.76 AU

Year: 655 Days

Day: 18.3 Hours

Environment

Temp: 5 °C

Axial Tilt: 0.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.87 AU - 2.43 AU

Year: 1113 Days

Day: 41.6 Hours

Environment

Temp: -60 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.64 AU - 4.24 AU

Year: 2253 Days

Day: 39.4 Hours

Environment

Temp: -101 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,207,247 km

• M1: 93,199 km (0.094 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.63 AU - 3.79 AU

Year: 2523 Days

Day: 26.5 Hours

Environment

Temp: -112 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,207,247 km

• M1: 676,182 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.9

Radius: 14.9

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 10.52 AU - 15.18 AU

Year: 16265 Days

Day: 11.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,207,247 km

• M1: 185,651 km (0.109 R)
• M2: 748,588 km (0.113 R)
• M3: 1,328,429 km (0.11 R)
• M4: 1,949,410 km (0.111 R)
• M5: 2,539,873 km (0.058 R)
• M6: 3,023,223 km (0.087 R)
• M7: 3,822,375 km (0.117 R)
• M8: 4,658,627 km (0.112 R)
• M9: 5,614,408 km (0.082 R)
• M10: 7,632,483 km (0.039 R)
• M11: 8,107,756 km (0.118 R)
• M12: 11,267,113 km (0.093 R)
• M13: 12,011,213 km (0.055 R)
• M14: 13,324,084 km (0.067 R)
• M15: 14,298,714 km (0.052 R)
• M16: 16,002,335 km (0.096 R)
• M17: 16,546,871 km (0.09 R)
• M18: 17,838,050 km (0.08 R)
• M19: 21,452,634 km (0.102 R)
• M20: 22,306,987 km (0.073 R)
• M21: 31,047,991 km (0.071 R)
• M22: 34,792,725 km (0.109 R)
• M23: 36,371,431 km (0.089 R)
• M24: 41,686,494 km (0.08 R)
• M25: 42,719,018 km (0.069 R)
• M26: 49,275,893 km (0.081 R)
• M27: 64,539,962 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.6

Radius: 3.6

Gravity: 41.56 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 12.54 AU - 17.74 AU

Year: 20801 Days

Day: 19.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 86,207,247 km

• M1: 44,879 km (0.095 R)
• M2: 182,210 km (0.111 R)
• M3: 351,106 km (0.103 R)
• M4: 702,512 km (0.045 R)
• M5: 1,130,511 km (0.103 R)
• M6: 1,282,054 km (0.053 R)
• M7: 2,109,031 km (0.103 R)
• M8: 2,253,991 km (0.092 R)
• M9: 4,060,834 km (0.082 R)
• M10: 6,436,448 km (0.064 R)
• M11: 6,876,117 km (0.089 R)
• M12: 7,242,033 km (0.105 R)
• M13: 7,766,074 km (0.107 R)
• M14: 13,670,104 km (0.102 R)
• M15: 15,297,729 km (0.084 R)
• M16: 15,606,798 km (0.079 R)
• M17: 17,888,764 km (0.119 R)
• M18: 18,318,409 km (0.091 R)
• M19: 20,570,156 km (0.087 R)
• M20: 21,041,689 km (0.085 R)
• M21: 21,328,019 km (0.098 R)
• M22: 25,182,857 km (0.103 R)
• M23: 29,003,736 km (0.09 R)
• M24: 36,519,234 km (0.025 R)
• M25: 40,353,128 km (0.079 R)
• M26: 42,139,925 km (0.11 R)
• M27: 52,217,436 km (0.073 R)
• M28: 52,566,747 km (0.093 R)
• M29: 55,963,815 km (0.073 R)
• M30: 57,622,856 km (0.063 R)
• M31: 70,802,279 km (0.088 R)
• M32: 71,016,054 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 487.2

Radius: 4.2

Gravity: 27.62 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 18.57 AU - 18.87 AU

Year: 28599 Days

Day: 17.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 68.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 86,207,247 km

• M1: 52,210 km (0.061 R)
• M2: 1,046,736 km (0.058 R)
• M3: 1,398,441 km (0.08 R)
• M4: 1,655,600 km (0.112 R)
• M5: 2,088,985 km (0.039 R)
• M6: 3,291,303 km (0.101 R)
• M7: 3,714,515 km (0.034 R)
• M8: 4,038,544 km (0.084 R)
• M9: 4,276,255 km (0.048 R)
• M10: 5,649,264 km (0.098 R)
• M11: 7,095,128 km (0.059 R)
• M12: 10,064,646 km (0.091 R)
• M13: 10,312,978 km (0.101 R)
• M14: 11,082,210 km (0.083 R)
• M15: 11,548,208 km (0.094 R)
• M16: 11,820,177 km (0.096 R)
• M17: 12,806,326 km (0.064 R)
• M18: 13,393,647 km (0.045 R)
• M19: 14,464,618 km (0.045 R)
• M20: 15,591,389 km (0.112 R)
• M21: 16,602,671 km (0.084 R)
• M22: 17,746,646 km (0.071 R)
• M23: 19,130,875 km (0.088 R)
• M24: 19,897,714 km (0.067 R)
• M25: 20,684,898 km (0.077 R)
• M26: 27,381,796 km (0.091 R)
• M27: 29,099,628 km (0.054 R)
• M28: 35,248,101 km (0.106 R)
• M29: 37,426,096 km (0.092 R)
• M30: 39,231,742 km (0.055 R)
• M31: 43,505,305 km (0.114 R)
• M32: 55,427,058 km (0.087 R)
• M33: 62,025,521 km (0.09 R)
• M34: 63,278,852 km (0.082 R)
• M35: 64,976,190 km (0.071 R)
• M36: 67,359,134 km (0.105 R)
• M37: 67,578,594 km (0.098 R)
• M38: 68,905,527 km (0.102 R)
• M39: 70,475,407 km (0.119 R)
• M40: 71,155,479 km (0.067 R)
• M41: 85,434,147 km (0.113 R)

Kuiper Belt

Range: 31.1 - 49.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 13,536 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit