🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.53 AU - 0.67 AU

Year: 300 Days

Day: 26.4 Hours

Environment

Temp: -122 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.6

Radius: 14.3

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.57 AU - 0.83 AU

Year: 378 Days

Day: 6.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,585,782 km

• M1: 177,872 km (0.112 R)
• M2: 643,720 km (0.108 R)
• M3: 1,269,039 km (0.082 R)
• M4: 1,847,384 km (0.107 R)
• M5: 2,461,932 km (0.075 R)
• M6: 3,378,668 km (0.061 R)
• M7: 3,904,504 km (0.055 R)
• M8: 5,385,224 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.2

Radius: 8

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.78 AU - 0.98 AU

Year: 533 Days

Day: 6.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,585,782 km

• M1: 99,483 km (0.076 R)
• M2: 477,367 km (0.062 R)
• M3: 860,337 km (0.072 R)
• M4: 1,305,989 km (0.031 R)
• M5: 1,567,038 km (0.119 R)
• M6: 1,863,241 km (0.114 R)
• M7: 2,767,561 km (0.055 R)
• M8: 3,390,935 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.3

Radius: 8.4

Gravity: 13.33 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.46 AU - 2.38 AU

Year: 1718 Days

Day: 9.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,585,782 km

• M1: 104,719 km (0.035 R)
• M2: 437,275 km (0.067 R)
• M3: 719,416 km (0.117 R)
• M4: 1,082,191 km (0.052 R)
• M5: 1,555,668 km (0.103 R)
• M6: 2,076,418 km (0.098 R)
• M7: 2,595,224 km (0.115 R)
• M8: 3,230,416 km (0.03 R)
• M9: 4,253,217 km (0.117 R)
• M10: 5,002,104 km (0.091 R)
• M11: 5,431,300 km (0.066 R)
• M12: 5,860,497 km (0.104 R)
• M13: 6,572,882 km (0.104 R)
• M14: 7,284,818 km (0.108 R)
• M15: 7,601,068 km (0.066 R)
• M16: 8,447,941 km (0.047 R)
• M17: 9,593,113 km (0.109 R)
• M18: 10,654,360 km (0.073 R)
• M19: 11,062,463 km (0.1 R)
• M20: 11,558,081 km (0.119 R)
• M21: 11,831,097 km (0.108 R)
• M22: 13,261,402 km (0.06 R)
• M23: 14,395,953 km (0.097 R)
• M24: 15,125,691 km (0.078 R)
• M25: 15,736,499 km (0.087 R)
• M26: 16,217,456 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.7

Radius: 10.2

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.52 AU - 3.34 AU

Year: 3238 Days

Day: 10.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,585,782 km

• M1: 136,882 km (0.049 R)
• M2: 498,460 km (0.11 R)
• M3: 840,441 km (0.063 R)
• M4: 1,175,241 km (0.113 R)
• M5: 1,556,416 km (0.113 R)
• M6: 1,993,541 km (0.074 R)
• M7: 2,450,114 km (0.03 R)
• M8: 2,770,104 km (0.117 R)
• M9: 3,100,117 km (0.045 R)
• M10: 3,515,400 km (0.053 R)
• M11: 5,244,004 km (0.112 R)
• M12: 5,976,585 km (0.114 R)
• M13: 8,193,924 km (0.081 R)
• M14: 8,842,880 km (0.065 R)
• M15: 10,741,426 km (0.107 R)
• M16: 11,342,959 km (0.12 R)
• M17: 12,012,111 km (0.104 R)
• M18: 13,041,045 km (0.056 R)
• M19: 15,979,147 km (0.089 R)
• M20: 16,763,339 km (0.062 R)
• M21: 18,897,203 km (0.119 R)
• M22: 19,332,383 km (0.067 R)
• M23: 19,710,567 km (0.11 R)
• M24: 23,411,468 km (0.06 R)
• M25: 23,985,775 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.4

Radius: 8

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.54 AU - 3.6 AU

Year: 3473 Days

Day: 9.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,585,782 km

• M1: 100,081 km (0.097 R)
• M2: 510,877 km (0.118 R)
• M3: 815,608 km (0.105 R)
• M4: 1,083,238 km (0.114 R)
• M5: 2,369,630 km (0.077 R)
• M6: 3,494,457 km (0.072 R)
• M7: 3,820,281 km (0.09 R)
• M8: 4,660,273 km (0.119 R)
• M9: 5,453,142 km (0.11 R)
• M10: 6,110,175 km (0.08 R)
• M11: 6,584,550 km (0.087 R)
• M12: 8,209,482 km (0.096 R)
• M13: 8,647,206 km (0.052 R)
• M14: 9,599,396 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.2

Radius: 10.4

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.4 AU - 3.92 AU

Year: 4521 Days

Day: 8.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,585,782 km

• M1: 138,677 km (0.103 R)
• M2: 639,082 km (0.098 R)
• M3: 1,102,237 km (0.113 R)
• M4: 2,609,884 km (0.113 R)
• M5: 3,263,478 km (0.062 R)
• M6: 3,800,983 km (0.062 R)
• M7: 5,106,374 km (0.066 R)
• M8: 7,249,513 km (0.061 R)
• M9: 8,240,000 km (0.11 R)
• M10: 9,891,710 km (0.068 R)
• M11: 10,884,591 km (0.117 R)
• M12: 11,613,432 km (0.116 R)
• M13: 13,423,716 km (0.11 R)
• M14: 13,891,060 km (0.091 R)
• M15: 14,315,469 km (0.118 R)
• M16: 14,968,464 km (0.107 R)
• M17: 16,392,635 km (0.104 R)
• M18: 17,533,768 km (0.116 R)
• M19: 18,471,597 km (0.112 R)
• M20: 24,045,913 km (0.085 R)
• M21: 24,581,324 km (0.092 R)
• M22: 25,046,573 km (0.061 R)
• M23: 26,966,662 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.8

Radius: 10

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 5.16 AU - 5.4 AU

Year: 7834 Days

Day: 8.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,585,782 km

• M1: 125,064 km (0.047 R)
• M2: 778,059 km (0.099 R)
• M3: 1,148,164 km (0.094 R)
• M4: 1,664,576 km (0.09 R)
• M5: 2,929,426 km (0.074 R)
• M6: 5,449,402 km (0.106 R)
• M7: 5,910,313 km (0.066 R)
• M8: 7,411,378 km (0.119 R)
• M9: 9,151,949 km (0.072 R)
• M10: 9,852,067 km (0.054 R)
• M11: 11,731,615 km (0.109 R)
• M12: 12,112,491 km (0.086 R)
• M13: 14,449,359 km (0.059 R)
• M14: 15,205,427 km (0.102 R)
• M15: 16,388,596 km (0.118 R)
• M16: 17,210,786 km (0.112 R)
• M17: 21,174,232 km (0.118 R)
• M18: 26,723,416 km (0.111 R)
• M19: 27,383,591 km (0.097 R)
• M20: 27,861,855 km (0.109 R)
• M21: 29,629,653 km (0.079 R)
• M22: 30,133,798 km (0.118 R)
• M23: 30,541,153 km (0.083 R)
• M24: 32,313,589 km (0.08 R)
• M25: 36,752,606 km (0.065 R)
• M26: 37,922,761 km (0.055 R)
• M27: 40,091,332 km (0.062 R)
• M28: 41,206,135 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.6

Radius: 3.8

Gravity: 55.58 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 5.54 AU - 7.72 AU

Year: 11023 Days

Day: 24.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 63,585,782 km

• M1: 47,423 km (0.079 R)
• M2: 307,274 km (0.062 R)
• M3: 791,971 km (0.111 R)
• M4: 1,217,278 km (0.108 R)
• M5: 1,402,330 km (0.104 R)
• M6: 1,763,460 km (0.052 R)
• M7: 2,018,674 km (0.052 R)
• M8: 2,146,131 km (0.097 R)
• M9: 2,956,952 km (0.096 R)
• M10: 3,169,829 km (0.086 R)
• M11: 3,842,421 km (0.115 R)
• M12: 4,390,698 km (0.075 R)
• M13: 5,155,591 km (0.115 R)
• M14: 6,385,436 km (0.09 R)
• M15: 7,278,086 km (0.069 R)
• M16: 7,492,011 km (0.108 R)
• M17: 8,913,191 km (0.11 R)
• M18: 9,158,082 km (0.108 R)
• M19: 10,999,632 km (0.114 R)
• M20: 11,800,729 km (0.094 R)
• M21: 13,582,589 km (0.099 R)
• M22: 13,841,543 km (0.12 R)
• M23: 16,250,517 km (0.062 R)
• M24: 16,396,076 km (0.096 R)
• M25: 17,515,517 km (0.074 R)
• M26: 21,005,187 km (0.118 R)
• M27: 22,144,823 km (0.069 R)
• M28: 30,188,551 km (0.09 R)
• M29: 33,719,958 km (0.07 R)
• M30: 34,075,553 km (0.111 R)
• M31: 37,898,825 km (0.062 R)
• M32: 38,930,003 km (0.086 R)
• M33: 39,321,352 km (0.064 R)
• M34: 40,244,969 km (0.079 R)
• M35: 40,913,372 km (0.104 R)
• M36: 41,861,673 km (0.115 R)
• M37: 43,942,729 km (0.113 R)
• M38: 46,383,568 km (0.106 R)
• M39: 47,414,297 km (0.054 R)
• M40: 48,159,743 km (0.098 R)
• M41: 53,437,855 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 950.4

Radius: 5.4

Gravity: 32.59 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.57 AU - 8.21 AU

Year: 12971 Days

Day: 15.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,585,782 km

• M1: 67,169 km (0.099 R)
• M2: 362,924 km (0.101 R)
• M3: 582,983 km (0.095 R)
• M4: 829,969 km (0.095 R)
• M5: 1,887,177 km (0.093 R)
• M6: 2,476,593 km (0.102 R)
• M7: 3,258,541 km (0.026 R)
• M8: 3,443,593 km (0.052 R)
• M9: 4,349,558 km (0.064 R)
• M10: 4,706,199 km (0.073 R)
• M11: 5,295,615 km (0.095 R)
• M12: 7,817,985 km (0.097 R)
• M13: 9,848,477 km (0.038 R)
• M14: 11,281,923 km (0.117 R)
• M15: 12,142,710 km (0.043 R)
• M16: 16,874,789 km (0.041 R)
• M17: 17,753,677 km (0.108 R)
• M18: 21,854,005 km (0.056 R)
• M19: 23,874,324 km (0.119 R)
• M20: 25,185,400 km (0.091 R)
• M21: 30,793,375 km (0.113 R)
• M22: 31,622,746 km (0.101 R)
• M23: 33,202,350 km (0.088 R)
• M24: 47,932,953 km (0.116 R)
• M25: 49,689,830 km (0.088 R)
• M26: 51,820,852 km (0.109 R)
• M27: 52,488,657 km (0.037 R)
• M28: 53,841,470 km (0.076 R)
• M29: 54,698,666 km (0.061 R)
• M30: 55,043,938 km (0.055 R)
• M31: 56,616,361 km (0.075 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 12,358 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit