🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.49 AU - 0.59 AU

Year: 153 Days

Day: 31.4 Hours

Environment

Temp: 147 °C

Axial Tilt: 11.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 75,728,800 km

• M1: 79,137 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.63 AU - 0.65 AU

Year: 197 Days

Day: 12.9 Hours

Environment

Temp: 165 °C

Axial Tilt: 27.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.63 AU - 0.73 AU

Year: 216 Days

Day: 13.8 Hours

Environment

Temp: 102 °C

Axial Tilt: 36.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.87 AU - 1.15 AU

Year: 391 Days

Day: 24 Hours

Environment

Temp: 1 °C

Axial Tilt: 33.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 75,728,800 km

• M1: 368,460 km (0.064 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.99 AU - 1.37 AU

Year: 494 Days

Day: 16.3 Hours

Environment

Temp: -25 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.72 AU - 1.74 AU

Year: 876 Days

Day: 20.5 Hours

Environment

Temp: -73 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 75,728,800 km

• M1: 29,920 km (0.063 R)
• M2: 805,884 km (0.077 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.38 AU - 3 AU

Year: 1699 Days

Day: 27 Hours

Environment

Temp: -116 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.2

Radius: 12.9

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.69 AU - 8.75 AU

Year: 9914 Days

Day: 10.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 75,728,800 km

• M1: 182,659 km (0.113 R)
• M2: 269,127 km (0.069 R)
• M3: 382,073 km (0.082 R)
• M4: 641,326 km (0.06 R)
• M5: 800,199 km (0.073 R)
• M6: 1,220,120 km (0.03 R)
• M7: 1,359,246 km (0.098 R)
• M8: 1,536,969 km (0.113 R)
• M9: 1,774,530 km (0.09 R)
• M10: 1,897,948 km (0.045 R)
• M11: 2,499,481 km (0.114 R)
• M12: 2,618,711 km (0.058 R)
• M13: 2,719,689 km (0.059 R)
• M14: 3,009,161 km (0.032 R)
• M15: 3,136,469 km (0.099 R)
• M16: 3,222,338 km (0.092 R)
• M17: 3,573,744 km (0.109 R)
• M18: 4,289,719 km (0.117 R)
• M19: 4,554,507 km (0.114 R)
• M20: 5,432,796 km (0.119 R)
• M21: 5,693,246 km (0.109 R)
• M22: 5,878,149 km (0.093 R)
• M23: 6,172,707 km (0.117 R)
• M24: 6,281,016 km (0.103 R)
• M25: 6,417,300 km (0.1 R)
• M26: 6,554,631 km (0.111 R)
• M27: 6,916,209 km (0.117 R)
• M28: 8,010,517 km (0.097 R)
• M29: 9,004,296 km (0.079 R)
• M30: 9,562,745 km (0.06 R)
• M31: 9,909,662 km (0.097 R)
• M32: 10,196,441 km (0.084 R)
• M33: 10,615,764 km (0.101 R)
• M34: 11,040,772 km (0.11 R)
• M35: 11,705,435 km (0.106 R)
• M36: 12,110,396 km (0.085 R)
• M37: 12,383,113 km (0.12 R)
• M38: 12,520,145 km (0.111 R)
• M39: 13,493,878 km (0.1 R)
• M40: 13,882,982 km (0.11 R)
• M41: 14,025,399 km (0.078 R)
• M42: 14,999,730 km (0.025 R)
• M43: 15,145,887 km (0.117 R)
• M44: 16,482,993 km (0.113 R)
• M45: 16,785,180 km (0.064 R)
• M46: 17,089,313 km (0.12 R)
• M47: 17,280,349 km (0.052 R)
• M48: 17,818,902 km (0.1 R)
• M49: 18,246,003 km (0.104 R)
• M50: 18,362,989 km (0.104 R)
• M51: 18,873,118 km (0.04 R)
• M52: 19,827,253 km (0.118 R)
• M53: 20,108,497 km (0.106 R)
• M54: 20,715,565 km (0.119 R)
• M55: 21,041,838 km (0.119 R)
• M56: 21,534,464 km (0.114 R)
• M57: 21,865,075 km (0.115 R)
• M58: 23,203,827 km (0.117 R)
• M59: 24,397,169 km (0.114 R)
• M60: 24,526,122 km (0.115 R)
• M61: 24,612,290 km (0.052 R)
• M62: 24,698,608 km (0.097 R)
• M63: 25,392,144 km (0.111 R)
• M64: 25,872,802 km (0.104 R)
• M65: 26,004,299 km (0.09 R)
• M66: 26,092,262 km (0.077 R)
• M67: 26,180,226 km (0.093 R)
• M68: 27,243,268 km (0.049 R)
• M69: 27,600,807 km (0.097 R)
• M70: 27,690,416 km (0.106 R)
• M71: 28,275,494 km (0.07 R)
• M72: 28,411,029 km (0.113 R)
• M73: 28,864,460 km (0.043 R)
• M74: 29,503,243 km (0.118 R)
• M75: 29,594,947 km (0.053 R)
• M76: 29,824,430 km (0.045 R)
• M77: 30,100,737 km (0.086 R)
• M78: 30,748,496 km (0.067 R)
• M79: 31,260,869 km (0.119 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.3

Radius: 13.7

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 8.38 AU - 9.2 AU

Year: 10033 Days

Day: 10 Hours

Environment

Temp: -185 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 75,728,800 km

• M1: 268,977 km (0.086 R)
• M2: 385,364 km (0.035 R)
• M3: 549,473 km (0.04 R)
• M4: 729,888 km (0.103 R)
• M5: 866,920 km (0.095 R)
• M6: 1,041,052 km (0.062 R)
• M7: 1,333,366 km (0.114 R)
• M8: 1,505,553 km (0.037 R)
• M9: 1,925,624 km (0.103 R)
• M10: 2,014,036 km (0.108 R)
• M11: 2,477,640 km (0.096 R)
• M12: 2,652,819 km (0.112 R)
• M13: 2,933,764 km (0.069 R)
• M14: 3,373,432 km (0.117 R)
• M15: 3,546,517 km (0.114 R)
• M16: 3,678,312 km (0.087 R)
• M17: 3,992,468 km (0.073 R)
• M18: 4,083,723 km (0.116 R)
• M19: 4,245,438 km (0.1 R)
• M20: 5,060,597 km (0.055 R)
• M21: 5,159,780 km (0.1 R)
• M22: 5,537,365 km (0.052 R)
• M23: 6,213,099 km (0.051 R)
• M24: 6,832,883 km (0.097 R)
• M25: 7,219,743 km (0.057 R)
• M26: 7,416,015 km (0.113 R)
• M27: 7,928,687 km (0.081 R)
• M28: 8,131,243 km (0.1 R)
• M29: 8,600,531 km (0.094 R)
• M30: 8,988,438 km (0.052 R)
• M31: 9,109,014 km (0.119 R)
• M32: 9,688,856 km (0.098 R)
• M33: 9,998,822 km (0.063 R)
• M34: 10,470,056 km (0.065 R)
• M35: 10,628,779 km (0.062 R)
• M36: 10,852,278 km (0.072 R)
• M37: 12,026,472 km (0.064 R)
• M38: 12,259,546 km (0.067 R)
• M39: 12,561,284 km (0.107 R)
• M40: 12,730,031 km (0.093 R)
• M41: 12,899,525 km (0.101 R)
• M42: 13,378,089 km (0.119 R)
• M43: 13,481,461 km (0.116 R)
• M44: 13,967,205 km (0.028 R)
• M45: 14,177,091 km (0.076 R)
• M46: 14,848,785 km (0.051 R)
• M47: 15,242,377 km (0.116 R)
• M48: 15,350,387 km (0.105 R)
• M49: 15,894,026 km (0.092 R)
• M50: 16,259,942 km (0.115 R)
• M51: 17,411,995 km (0.11 R)
• M52: 17,902,976 km (0.036 R)
• M53: 18,207,407 km (0.097 R)
• M54: 18,398,593 km (0.098 R)
• M55: 18,590,378 km (0.112 R)
• M56: 19,325,352 km (0.094 R)
• M57: 19,598,518 km (0.11 R)
• M58: 19,990,913 km (0.115 R)
• M59: 20,505,081 km (0.102 R)
• M60: 20,863,517 km (0.076 R)
• M61: 22,604,837 km (0.076 R)
• M62: 22,851,524 km (0.118 R)
• M63: 23,430,617 km (0.105 R)
• M64: 23,972,610 km (0.049 R)
• M65: 24,518,941 km (0.112 R)
• M66: 25,752,077 km (0.032 R)
• M67: 26,701,126 km (0.089 R)
• M68: 27,092,623 km (0.081 R)
• M69: 28,234,504 km (0.114 R)
• M70: 28,944,944 km (0.03 R)
• M71: 29,751,277 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570.2

Radius: 7.7

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 14.24 AU - 15.22 AU

Year: 21766 Days

Day: 21.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 75,728,800 km

• M1: 102,475 km (0.101 R)
• M2: 221,106 km (0.113 R)
• M3: 891,155 km (0.039 R)
• M4: 941,419 km (0.112 R)
• M5: 1,711,848 km (0.109 R)
• M6: 2,003,265 km (0.069 R)
• M7: 3,006,917 km (0.116 R)
• M8: 3,083,811 km (0.087 R)
• M9: 3,358,472 km (0.101 R)
• M10: 3,681,753 km (0.084 R)
• M11: 3,764,331 km (0.093 R)
• M12: 3,889,096 km (0.072 R)
• M13: 4,185,748 km (0.082 R)
• M14: 4,271,767 km (0.109 R)
• M15: 4,402,067 km (0.057 R)
• M16: 4,845,774 km (0.067 R)
• M17: 5,257,318 km (0.026 R)
• M18: 5,397,042 km (0.089 R)
• M19: 5,919,887 km (0.06 R)
• M20: 6,016,677 km (0.113 R)
• M21: 6,114,065 km (0.104 R)
• M22: 6,260,970 km (0.079 R)
• M23: 6,962,285 km (0.104 R)
• M24: 7,478,398 km (0.047 R)
• M25: 8,221,749 km (0.068 R)
• M26: 8,275,754 km (0.062 R)
• M27: 9,099,739 km (0.047 R)
• M28: 9,777,717 km (0.053 R)
• M29: 10,122,839 km (0.111 R)
• M30: 10,530,493 km (0.1 R)
• M31: 10,824,902 km (0.094 R)
• M32: 12,710,433 km (0.104 R)
• M33: 13,467,249 km (0.087 R)
• M34: 14,433,502 km (0.113 R)
• M35: 14,629,475 km (0.075 R)
• M36: 16,773,960 km (0.117 R)
• M37: 17,603,181 km (0.103 R)
• M38: 17,952,642 km (0.1 R)
• M39: 18,093,114 km (0.096 R)
• M40: 18,233,886 km (0.064 R)
• M41: 18,800,712 km (0.098 R)
• M42: 20,462,296 km (0.083 R)
• M43: 20,829,559 km (0.09 R)
• M44: 21,125,164 km (0.093 R)
• M45: 22,170,255 km (0.083 R)
• M46: 25,641,823 km (0.087 R)
• M47: 27,157,549 km (0.103 R)
• M48: 27,561,313 km (0.099 R)
• M49: 29,526,581 km (0.1 R)
• M50: 29,609,458 km (0.109 R)
• M51: 30,442,419 km (0.108 R)
• M52: 30,693,743 km (0.071 R)
• M53: 30,861,742 km (0.097 R)
• M54: 31,790,894 km (0.093 R)
• M55: 32,045,958 km (0.05 R)
• M56: 32,387,041 km (0.1 R)
• M57: 33,158,966 km (0.117 R)
• M58: 34,633,403 km (0.045 R)
• M59: 35,334,718 km (0.042 R)
• M60: 37,556,246 km (0.091 R)
• M61: 37,735,913 km (0.094 R)
• M62: 38,457,424 km (0.111 R)
• M63: 39,456,887 km (0.107 R)
• M64: 41,853,295 km (0.115 R)
• M65: 43,163,025 km (0.095 R)
• M66: 43,633,959 km (0.074 R)
• M67: 43,822,901 km (0.094 R)
• M68: 47,172,098 km (0.091 R)
• M69: 47,949,110 km (0.112 R)
• M70: 51,697,434 km (0.117 R)
• M71: 52,398,150 km (0.055 R)
• M72: 53,102,008 km (0.062 R)
• M73: 54,011,563 km (0.116 R)
• M74: 54,315,845 km (0.049 R)
• M75: 54,926,205 km (0.037 R)
• M76: 55,436,633 km (0.088 R)
• M77: 56,461,976 km (0.107 R)
• M78: 58,011,960 km (0.105 R)
• M79: 58,323,572 km (0.084 R)
• M80: 58,635,783 km (0.094 R)
• M81: 61,894,324 km (0.098 R)
• M82: 62,957,965 km (0.047 R)
• M83: 64,349,823 km (0.114 R)
• M84: 65,427,227 km (0.078 R)
• M85: 65,535,386 km (0.108 R)
• M86: 66,510,615 km (0.096 R)
• M87: 67,381,723 km (0.12 R)
• M88: 68,146,916 km (0.082 R)
• M89: 69,685,979 km (0.113 R)
• M90: 70,903,257 km (0.115 R)
• M91: 72,015,966 km (0.104 R)
• M92: 73,695,950 km (0.06 R)
• M93: 75,162,309 km (0.109 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 10,502 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit