🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.05 AU - 1.73 AU

Year: 614 Days

Day: 41.5 Hours

Environment

Temp: -38 °C

Axial Tilt: 46.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.25 AU - 1.77 AU

Year: 695 Days

Day: 32.2 Hours

Environment

Temp: -38 °C

Axial Tilt: 8.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.39 AU - 2.01 AU

Year: 831 Days

Day: 36.4 Hours

Environment

Temp: -60 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2 AU - 2.34 AU

Year: 1198 Days

Day: 17.3 Hours

Environment

Temp: -88 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.57 AU - 2.99 AU

Year: 1737 Days

Day: 21.4 Hours

Environment

Temp: -103 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,467,977 km

• M1: 1,185,862 km (0.096 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.5 AU - 3.28 AU

Year: 1841 Days

Day: 15.6 Hours

Environment

Temp: -110 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.85 AU - 4.71 AU

Year: 3318 Days

Day: 18.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 17.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382

Radius: 6.1

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 13.01 AU - 21.05 AU

Year: 26336 Days

Day: 16.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 69,467,977 km

• M1: 769,531 km (0.036 R)
• M2: 1,208,302 km (0.113 R)
• M3: 1,292,825 km (0.049 R)
• M4: 1,776,624 km (0.065 R)
• M5: 2,004,761 km (0.086 R)
• M6: 3,477,851 km (0.1 R)
• M7: 4,751,827 km (0.099 R)
• M8: 5,022,449 km (0.088 R)
• M9: 5,298,009 km (0.111 R)
• M10: 6,301,062 km (0.083 R)
• M11: 6,498,681 km (0.069 R)
• M12: 7,361,113 km (0.071 R)
• M13: 7,412,874 km (0.052 R)
• M14: 8,475,318 km (0.057 R)
• M15: 9,641,134 km (0.106 R)
• M16: 10,621,299 km (0.05 R)
• M17: 10,915,558 km (0.059 R)
• M18: 12,242,043 km (0.091 R)
• M19: 12,736,912 km (0.054 R)
• M20: 13,175,234 km (0.041 R)
• M21: 13,491,484 km (0.103 R)
• M22: 13,554,913 km (0.079 R)
• M23: 13,682,371 km (0.058 R)
• M24: 13,746,100 km (0.048 R)
• M25: 14,066,837 km (0.061 R)
• M26: 14,131,164 km (0.085 R)
• M27: 14,977,589 km (0.045 R)
• M28: 15,175,358 km (0.115 R)
• M29: 15,506,717 km (0.031 R)
• M30: 15,773,450 km (0.066 R)
• M31: 16,651,141 km (0.083 R)
• M32: 17,752,779 km (0.104 R)
• M33: 18,101,941 km (0.108 R)
• M34: 18,665,177 km (0.075 R)
• M35: 19,664,790 km (0.105 R)
• M36: 20,098,474 km (0.038 R)
• M37: 20,389,292 km (0.12 R)
• M38: 20,535,300 km (0.05 R)
• M39: 20,754,909 km (0.073 R)
• M40: 20,975,267 km (0.113 R)
• M41: 23,145,334 km (0.052 R)
• M42: 23,526,659 km (0.107 R)
• M43: 24,682,901 km (0.117 R)
• M44: 25,228,933 km (0.111 R)
• M45: 30,735,331 km (0.117 R)
• M46: 31,490,950 km (0.118 R)
• M47: 31,575,174 km (0.119 R)
• M48: 32,167,731 km (0.076 R)
• M49: 32,507,916 km (0.026 R)
• M50: 32,934,869 km (0.091 R)
• M51: 34,574,013 km (0.061 R)
• M52: 34,922,426 km (0.078 R)
• M53: 35,097,156 km (0.087 R)
• M54: 35,798,621 km (0.071 R)
• M55: 36,504,872 km (0.079 R)
• M56: 37,930,989 km (0.045 R)
• M57: 39,830,433 km (0.063 R)
• M58: 43,345,085 km (0.119 R)
• M59: 45,234,357 km (0.111 R)
• M60: 45,902,012 km (0.111 R)
• M61: 48,312,782 km (0.106 R)
• M62: 48,995,098 km (0.03 R)
• M63: 49,288,459 km (0.065 R)
• M64: 50,270,868 km (0.115 R)
• M65: 54,770,174 km (0.06 R)
• M66: 58,150,637 km (0.057 R)
• M67: 59,084,277 km (0.087 R)
• M68: 61,598,120 km (0.111 R)
• M69: 62,337,882 km (0.096 R)
• M70: 65,649,081 km (0.108 R)
• M71: 66,946,094 km (0.069 R)
• M72: 68,579,254 km (0.111 R)
• M73: 69,895,117 km (0.096 R)
• M74: 70,115,325 km (0.105 R)
• M75: 70,445,937 km (0.025 R)
• M76: 71,884,619 km (0.096 R)
• M77: 72,218,073 km (0.082 R)
• M78: 74,566,161 km (0.067 R)
• M79: 74,903,654 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.8

Radius: 5.1

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 15.52 AU - 19.16 AU

Year: 27058 Days

Day: 20.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 69,467,977 km

• M1: 65,673 km (0.086 R)
• M2: 388,655 km (0.038 R)
• M3: 1,083,388 km (0.091 R)
• M4: 2,424,832 km (0.095 R)
• M5: 3,204,536 km (0.099 R)
• M6: 3,391,982 km (0.101 R)
• M7: 3,467,828 km (0.106 R)
• M8: 4,588,915 km (0.112 R)
• M9: 4,715,175 km (0.065 R)
• M10: 5,407,963 km (0.085 R)
• M11: 5,541,404 km (0.08 R)
• M12: 5,856,906 km (0.099 R)
• M13: 5,902,384 km (0.065 R)
• M14: 6,886,140 km (0.094 R)
• M15: 8,325,869 km (0.092 R)
• M16: 8,480,105 km (0.086 R)
• M17: 10,127,028 km (0.09 R)
• M18: 10,958,493 km (0.05 R)
• M19: 11,070,990 km (0.099 R)
• M20: 11,639,313 km (0.112 R)
• M21: 12,100,673 km (0.117 R)
• M22: 12,392,089 km (0.099 R)
• M23: 12,450,732 km (0.093 R)
• M24: 12,922,563 km (0.062 R)
• M25: 15,747,121 km (0.083 R)
• M26: 15,874,129 km (0.094 R)
• M27: 16,193,072 km (0.052 R)
• M28: 17,293,364 km (0.094 R)
• M29: 20,182,099 km (0.102 R)
• M30: 20,389,143 km (0.043 R)
• M31: 20,458,257 km (0.109 R)
• M32: 20,875,036 km (0.047 R)
• M33: 21,364,670 km (0.097 R)
• M34: 21,505,292 km (0.077 R)
• M35: 24,015,096 km (0.063 R)
• M36: 24,234,556 km (0.071 R)
• M37: 24,454,614 km (0.056 R)
• M38: 24,675,271 km (0.095 R)
• M39: 26,088,522 km (0.116 R)
• M40: 27,375,214 km (0.118 R)
• M41: 28,218,646 km (0.094 R)
• M42: 29,304,428 km (0.091 R)
• M43: 29,774,015 km (0.092 R)
• M44: 33,536,851 km (0.12 R)
• M45: 33,700,361 km (0.101 R)
• M46: 33,946,001 km (0.045 R)
• M47: 34,851,666 km (0.085 R)
• M48: 35,017,122 km (0.09 R)
• M49: 38,809,876 km (0.107 R)
• M50: 39,497,727 km (0.087 R)
• M51: 39,584,045 km (0.109 R)
• M52: 39,756,681 km (0.097 R)
• M53: 40,623,900 km (0.12 R)
• M54: 41,936,472 km (0.111 R)
• M55: 44,692,962 km (0.036 R)
• M56: 44,782,871 km (0.096 R)
• M57: 45,775,602 km (0.049 R)
• M58: 45,956,915 km (0.106 R)
• M59: 46,502,199 km (0.056 R)
• M60: 46,775,514 km (0.096 R)
• M61: 47,599,050 km (0.042 R)
• M62: 48,427,374 km (0.119 R)
• M63: 48,519,676 km (0.098 R)
• M64: 51,599,148 km (0.063 R)
• M65: 51,787,791 km (0.081 R)
• M66: 53,114,874 km (0.104 R)
• M67: 53,496,049 km (0.084 R)
• M68: 54,357,134 km (0.116 R)
• M69: 55,126,367 km (0.064 R)
• M70: 56,092,918 km (0.1 R)
• M71: 59,223,403 km (0.117 R)
• M72: 61,208,418 km (0.068 R)
• M73: 62,611,047 km (0.106 R)
• M74: 63,316,252 km (0.1 R)
• M75: 63,518,209 km (0.079 R)
• M76: 64,836,316 km (0.104 R)
• M77: 65,039,918 km (0.05 R)
• M78: 65,345,696 km (0.104 R)
• M79: 68,325,985 km (0.105 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 366 - 13,829 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit