🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.65 AU - 0.65 AU

Year: 192 Days

Day: 40.5 Hours

Environment

Temp: 126 °C

Axial Tilt: 14.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 103,604,301 km

• M1: 61,634 km (0.026 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.13 AU - 1.31 AU

Year: 495 Days

Day: 38.3 Hours

Environment

Temp: -9 °C

Axial Tilt: 11.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.58 AU - 2.42 AU

Year: 1038 Days

Day: 39.6 Hours

Environment

Temp: -73 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.8 AU - 2.84 AU

Year: 1738 Days

Day: 25.3 Hours

Environment

Temp: -96 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3 AU - 3.28 AU

Year: 2043 Days

Day: 13.5 Hours

Environment

Temp: -104 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 103,604,301 km

• M1: 635,791 km (0.035 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.7

Radius: 12.9

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.91 AU - 6.61 AU

Year: 5750 Days

Day: 8.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 111.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 103,604,301 km

• M1: 160,519 km (0.113 R)
• M2: 708,795 km (0.11 R)
• M3: 2,039,917 km (0.11 R)
• M4: 2,475,546 km (0.079 R)
• M5: 3,012,153 km (0.091 R)
• M6: 3,454,215 km (0.077 R)
• M7: 3,870,995 km (0.102 R)
• M8: 4,521,596 km (0.055 R)
• M9: 5,443,567 km (0.079 R)
• M10: 7,056,980 km (0.119 R)
• M11: 8,182,106 km (0.03 R)
• M12: 9,009,981 km (0.11 R)
• M13: 10,786,605 km (0.079 R)
• M14: 11,636,321 km (0.079 R)
• M15: 12,428,591 km (0.054 R)
• M16: 13,256,615 km (0.1 R)
• M17: 14,342,845 km (0.078 R)
• M18: 14,907,877 km (0.1 R)
• M19: 16,569,161 km (0.09 R)
• M20: 17,636,243 km (0.044 R)
• M21: 18,416,695 km (0.052 R)
• M22: 19,017,031 km (0.033 R)
• M23: 20,116,426 km (0.11 R)
• M24: 20,896,728 km (0.116 R)
• M25: 21,330,712 km (0.109 R)
• M26: 22,668,865 km (0.097 R)
• M27: 26,174,990 km (0.098 R)
• M28: 27,362,498 km (0.106 R)
• M29: 27,882,201 km (0.109 R)
• M30: 29,481,252 km (0.115 R)
• M31: 30,027,584 km (0.1 R)
• M32: 30,766,448 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.4

Radius: 14.5

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.6 AU - 7.54 AU

Year: 6901 Days

Day: 6.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 103,604,301 km

• M1: 180,415 km (0.095 R)
• M2: 744,549 km (0.11 R)
• M3: 1,201,271 km (0.113 R)
• M4: 2,186,373 km (0.103 R)
• M5: 2,993,902 km (0.043 R)
• M6: 3,968,981 km (0.091 R)
• M7: 4,639,180 km (0.062 R)
• M8: 5,414,246 km (0.096 R)
• M9: 6,207,713 km (0.045 R)
• M10: 7,187,131 km (0.09 R)
• M11: 7,987,479 km (0.117 R)
• M12: 9,721,468 km (0.105 R)
• M13: 11,290,151 km (0.11 R)
• M14: 13,022,046 km (0.027 R)
• M15: 13,523,797 km (0.11 R)
• M16: 17,139,877 km (0.114 R)
• M17: 18,921,288 km (0.094 R)
• M18: 23,580,963 km (0.087 R)
• M19: 24,327,755 km (0.052 R)
• M20: 24,834,294 km (0.084 R)
• M21: 26,307,982 km (0.059 R)
• M22: 26,931,506 km (0.07 R)
• M23: 31,475,841 km (0.094 R)
• M24: 32,789,460 km (0.114 R)
• M25: 34,350,214 km (0.092 R)
• M26: 36,288,105 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664.9

Radius: 5

Gravity: 26.6 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 14.84 AU - 19 AU

Year: 25549 Days

Day: 19.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 103,604,301 km

• M1: 70,311 km (0.085 R)
• M2: 349,461 km (0.115 R)
• M3: 605,423 km (0.077 R)
• M4: 1,905,428 km (0.12 R)
• M5: 3,829,855 km (0.11 R)
• M6: 4,061,133 km (0.069 R)
• M7: 5,608,125 km (0.081 R)
• M8: 6,126,332 km (0.067 R)
• M9: 6,866,243 km (0.075 R)
• M10: 7,978,503 km (0.047 R)
• M11: 8,138,872 km (0.081 R)
• M12: 9,561,249 km (0.115 R)
• M13: 10,618,008 km (0.114 R)
• M14: 10,812,336 km (0.077 R)
• M15: 11,274,892 km (0.056 R)
• M16: 11,819,578 km (0.074 R)
• M17: 16,133,382 km (0.109 R)
• M18: 16,912,338 km (0.091 R)
• M19: 19,689,773 km (0.051 R)
• M20: 20,578,683 km (0.118 R)
• M21: 24,291,104 km (0.08 R)
• M22: 25,198,116 km (0.099 R)
• M23: 26,719,975 km (0.118 R)
• M24: 31,252,042 km (0.1 R)
• M25: 33,978,613 km (0.112 R)
• M26: 44,934,114 km (0.082 R)
• M27: 46,298,895 km (0.082 R)
• M28: 47,867,130 km (0.091 R)
• M29: 55,655,345 km (0.076 R)
• M30: 70,439,504 km (0.034 R)
• M31: 73,211,104 km (0.102 R)
• M32: 77,018,519 km (0.059 R)
• M33: 80,705,957 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.6

Radius: 3.1

Gravity: 36.9 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 13.27 AU - 21.07 AU

Year: 26117 Days

Day: 17.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 103,604,301 km

• M1: 55,052 km (0.103 R)
• M2: 158,424 km (0.102 R)
• M3: 260,899 km (0.117 R)
• M4: 384,467 km (0.061 R)
• M5: 836,701 km (0.112 R)
• M6: 949,498 km (0.106 R)
• M7: 1,206,058 km (0.107 R)
• M8: 2,589,390 km (0.112 R)
• M9: 4,041,536 km (0.096 R)
• M10: 4,366,014 km (0.113 R)
• M11: 4,466,693 km (0.114 R)
• M12: 5,215,131 km (0.106 R)
• M13: 5,521,059 km (0.096 R)
• M14: 5,920,037 km (0.119 R)
• M15: 6,865,196 km (0.112 R)
• M16: 9,433,941 km (0.089 R)
• M17: 9,887,522 km (0.036 R)
• M18: 13,763,303 km (0.052 R)
• M19: 14,198,932 km (0.043 R)
• M20: 18,894,809 km (0.102 R)
• M21: 19,072,981 km (0.092 R)
• M22: 22,176,987 km (0.059 R)
• M23: 22,775,229 km (0.091 R)
• M24: 22,876,058 km (0.113 R)
• M25: 24,634,730 km (0.093 R)
• M26: 29,123,713 km (0.073 R)
• M27: 29,600,631 km (0.076 R)
• M28: 32,571,196 km (0.11 R)
• M29: 35,328,285 km (0.092 R)
• M30: 35,598,609 km (0.081 R)
• M31: 43,123,381 km (0.042 R)
• M32: 45,316,337 km (0.066 R)
• M33: 47,418,336 km (0.034 R)
• M34: 51,467,651 km (0.119 R)
• M35: 52,164,179 km (0.11 R)
• M36: 59,097,592 km (0.081 R)
• M37: 61,603,655 km (0.08 R)
• M38: 69,333,078 km (0.065 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.1

Radius: 5.9

Gravity: 26.06 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 17.3 AU - 18.34 AU

Year: 27614 Days

Day: 24 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 103,604,301 km

• M1: 73,303 km (0.112 R)
• M2: 322,533 km (0.109 R)
• M3: 573,109 km (0.043 R)
• M4: 2,088,685 km (0.067 R)
• M5: 2,321,759 km (0.116 R)
• M6: 2,677,503 km (0.071 R)
• M7: 4,361,825 km (0.084 R)
• M8: 4,705,302 km (0.042 R)
• M9: 5,191,046 km (0.09 R)
• M10: 6,167,621 km (0.072 R)
• M11: 6,551,340 km (0.037 R)
• M12: 7,634,727 km (0.103 R)
• M13: 7,853,888 km (0.1 R)
• M14: 8,654,237 km (0.084 R)
• M15: 13,806,836 km (0.104 R)
• M16: 16,649,046 km (0.079 R)
• M17: 16,925,204 km (0.117 R)
• M18: 18,255,129 km (0.034 R)
• M19: 18,548,790 km (0.083 R)
• M20: 21,991,785 km (0.04 R)
• M21: 25,228,335 km (0.095 R)
• M22: 26,582,195 km (0.081 R)
• M23: 27,213,349 km (0.061 R)
• M24: 28,374,527 km (0.086 R)
• M25: 28,768,867 km (0.106 R)
• M26: 31,631,871 km (0.092 R)
• M27: 33,059,633 km (0.112 R)
• M28: 35,129,918 km (0.081 R)
• M29: 36,505,471 km (0.111 R)
• M30: 38,555,261 km (0.08 R)
• M31: 48,639,504 km (0.032 R)
• M32: 50,731,480 km (0.058 R)
• M33: 54,081,276 km (0.116 R)
• M34: 60,564,100 km (0.117 R)
• M35: 73,552,635 km (0.096 R)
• M36: 77,322,203 km (0.093 R)
• M37: 80,691,595 km (0.08 R)
• M38: 82,545,861 km (0.102 R)
• M39: 99,316,530 km (0.059 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 18,870 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit