🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.6

Radius: 14

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.43 AU - 0.63 AU

Year: 266 Days

Day: 14.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,191,279 km

• M1: 174,132 km (0.048 R)
• M2: 716,723 km (0.07 R)
• M3: 1,161,478 km (0.098 R)
• M4: 1,979,329 km (0.118 R)
• M5: 2,418,848 km (0.103 R)
• M6: 3,044,017 km (0.11 R)
• M7: 3,512,109 km (0.089 R)
• M8: 4,422,412 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.9

Radius: 14.5

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.84 AU - 0.9 AU

Year: 560 Days

Day: 6.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 65.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,191,279 km

• M1: 180,415 km (0.071 R)
• M2: 736,770 km (0.06 R)
• M3: 2,234,992 km (0.117 R)
• M4: 2,703,682 km (0.068 R)
• M5: 3,395,722 km (0.117 R)
• M6: 3,925,598 km (0.064 R)
• M7: 4,510,675 km (0.083 R)
• M8: 5,088,422 km (0.077 R)
• M9: 6,242,420 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.8

Radius: 8.5

Gravity: 13.31 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.18 AU - 1.34 AU

Year: 976 Days

Day: 12.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,191,279 km

• M1: 105,766 km (0.082 R)
• M2: 375,042 km (0.107 R)
• M3: 849,118 km (0.115 R)
• M4: 1,261,409 km (0.118 R)
• M5: 2,075,072 km (0.03 R)
• M6: 2,540,920 km (0.119 R)
• M7: 3,102,959 km (0.04 R)
• M8: 3,496,551 km (0.101 R)
• M9: 4,106,910 km (0.072 R)
• M10: 4,384,414 km (0.069 R)
• M11: 5,813,523 km (0.046 R)
• M12: 6,436,448 km (0.091 R)
• M13: 9,529,833 km (0.07 R)
• M14: 9,956,337 km (0.084 R)
• M15: 10,300,262 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.2

Radius: 9.4

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.14 AU - 1.46 AU

Year: 1023 Days

Day: 7.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,191,279 km

• M1: 121,773 km (0.115 R)
• M2: 487,539 km (0.12 R)
• M3: 1,300,753 km (0.096 R)
• M4: 1,603,988 km (0.119 R)
• M5: 1,995,486 km (0.087 R)
• M6: 2,662,693 km (0.083 R)
• M7: 4,227,636 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.2

Radius: 13.4

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.9 AU - 2.94 AU

Year: 2599 Days

Day: 12 Hours

Environment

Temp: -213 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,191,279 km

• M1: 168,746 km (0.11 R)
• M2: 705,204 km (0.046 R)
• M3: 2,262,967 km (0.089 R)
• M4: 3,162,649 km (0.114 R)
• M5: 4,215,668 km (0.107 R)
• M6: 4,863,876 km (0.026 R)
• M7: 5,382,232 km (0.059 R)
• M8: 6,982,181 km (0.072 R)
• M9: 7,920,160 km (0.1 R)
• M10: 10,513,589 km (0.069 R)
• M11: 13,468,296 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.7

Radius: 7.8

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.75 AU - 6.69 AU

Year: 9443 Days

Day: 21.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,191,279 km

• M1: 96,939 km (0.114 R)
• M2: 451,187 km (0.113 R)
• M3: 903,422 km (0.045 R)
• M4: 1,749,996 km (0.107 R)
• M5: 3,557,437 km (0.083 R)
• M6: 3,822,974 km (0.05 R)
• M7: 5,270,483 km (0.095 R)
• M8: 6,581,259 km (0.078 R)
• M9: 7,154,967 km (0.119 R)
• M10: 13,963,764 km (0.117 R)
• M11: 18,725,465 km (0.055 R)
• M12: 22,464,514 km (0.058 R)
• M13: 25,841,835 km (0.056 R)
• M14: 30,543,846 km (0.07 R)
• M15: 30,820,602 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 580.6

Radius: 7.5

Gravity: 10.32 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.94 AU - 7.68 AU

Year: 10941 Days

Day: 16.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,191,279 km

• M1: 94,097 km (0.117 R)
• M2: 346,469 km (0.051 R)
• M3: 633,547 km (0.113 R)
• M4: 918,830 km (0.108 R)
• M5: 2,858,067 km (0.098 R)
• M6: 3,578,979 km (0.075 R)
• M7: 4,272,515 km (0.1 R)
• M8: 5,277,813 km (0.08 R)
• M9: 6,395,309 km (0.107 R)
• M10: 7,372,333 km (0.088 R)
• M11: 8,266,928 km (0.104 R)
• M12: 8,902,420 km (0.092 R)
• M13: 9,866,129 km (0.114 R)
• M14: 10,425,027 km (0.058 R)
• M15: 15,409,478 km (0.102 R)
• M16: 15,748,317 km (0.07 R)
• M17: 17,371,454 km (0.115 R)
• M18: 18,261,262 km (0.073 R)
• M19: 19,890,682 km (0.111 R)
• M20: 23,081,755 km (0.087 R)
• M21: 24,891,141 km (0.086 R)
• M22: 25,170,440 km (0.071 R)
• M23: 30,563,144 km (0.08 R)
• M24: 31,206,116 km (0.091 R)
• M25: 31,858,063 km (0.111 R)
• M26: 33,301,683 km (0.085 R)
• M27: 34,326,279 km (0.055 R)
• M28: 35,021,011 km (0.104 R)
• M29: 42,491,330 km (0.113 R)
• M30: 43,292,128 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551.8

Radius: 3.5

Gravity: 45.04 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.13 AU - 6.67 AU

Year: 11176 Days

Day: 18 Hours

Environment

Temp: -229 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 76,191,279 km

• M1: 49,517 km (0.104 R)
• M2: 279,299 km (0.071 R)
• M3: 388,506 km (0.099 R)
• M4: 740,659 km (0.107 R)
• M5: 926,460 km (0.051 R)
• M6: 1,085,632 km (0.066 R)
• M7: 1,431,951 km (0.059 R)
• M8: 1,752,389 km (0.094 R)
• M9: 2,533,889 km (0.101 R)
• M10: 2,655,961 km (0.106 R)
• M11: 3,023,523 km (0.08 R)
• M12: 3,939,211 km (0.071 R)
• M13: 5,484,258 km (0.04 R)
• M14: 5,758,620 km (0.101 R)
• M15: 6,187,069 km (0.077 R)
• M16: 6,908,280 km (0.113 R)
• M17: 7,641,758 km (0.099 R)
• M18: 7,768,917 km (0.065 R)
• M19: 10,722,876 km (0.07 R)
• M20: 11,646,942 km (0.114 R)
• M21: 12,042,479 km (0.073 R)
• M22: 13,100,734 km (0.092 R)
• M23: 13,714,534 km (0.113 R)
• M24: 17,218,565 km (0.039 R)
• M25: 17,805,737 km (0.047 R)
• M26: 18,254,830 km (0.029 R)
• M27: 21,951,244 km (0.112 R)
• M28: 23,345,496 km (0.11 R)
• M29: 26,212,689 km (0.106 R)
• M30: 26,891,115 km (0.052 R)
• M31: 29,409,745 km (0.119 R)
• M32: 32,745,328 km (0.084 R)
• M33: 32,856,928 km (0.067 R)
• M34: 33,418,818 km (0.046 R)
• M35: 33,531,914 km (0.077 R)
• M36: 36,205,228 km (0.118 R)
• M37: 38,891,856 km (0.077 R)
• M38: 41,316,538 km (0.061 R)
• M39: 42,234,620 km (0.073 R)
• M40: 43,839,955 km (0.093 R)
• M41: 45,347,004 km (0.077 R)
• M42: 46,043,233 km (0.058 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679.8

Radius: 3.1

Gravity: 70.74 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 7.78 AU - 8.22 AU

Year: 15619 Days

Day: 22.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 137.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,191,279 km

• M1: 42,635 km (0.118 R)
• M2: 419,921 km (0.114 R)
• M3: 3,270,359 km (0.06 R)
• M4: 3,485,182 km (0.074 R)
• M5: 3,652,282 km (0.093 R)
• M6: 3,766,725 km (0.064 R)
• M7: 4,063,377 km (0.116 R)
• M8: 4,343,275 km (0.092 R)
• M9: 5,296,812 km (0.112 R)
• M10: 8,979,014 km (0.111 R)
• M11: 9,943,770 km (0.116 R)
• M12: 14,782,813 km (0.072 R)
• M13: 15,220,686 km (0.113 R)
• M14: 15,592,137 km (0.106 R)
• M15: 16,122,312 km (0.039 R)
• M16: 25,267,529 km (0.098 R)
• M17: 25,788,130 km (0.079 R)
• M18: 29,518,801 km (0.075 R)
• M19: 42,104,171 km (0.096 R)
• M20: 45,384,404 km (0.081 R)
• M21: 49,314,040 km (0.052 R)
• M22: 50,617,786 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991.8

Radius: 5.1

Gravity: 38.13 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 7.52 AU - 9.18 AU

Year: 16655 Days

Day: 15.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 76,191,279 km

• M1: 63,429 km (0.098 R)
• M2: 276,756 km (0.112 R)
• M3: 485,595 km (0.055 R)
• M4: 863,030 km (0.101 R)
• M5: 1,716,785 km (0.099 R)
• M6: 2,037,822 km (0.078 R)
• M7: 2,874,523 km (0.029 R)
• M8: 3,383,754 km (0.069 R)
• M9: 5,271,979 km (0.097 R)
• M10: 5,784,501 km (0.111 R)
• M11: 7,473,461 km (0.095 R)
• M12: 8,748,334 km (0.099 R)
• M13: 9,240,960 km (0.12 R)
• M14: 9,579,350 km (0.083 R)
• M15: 9,926,118 km (0.091 R)
• M16: 10,102,643 km (0.108 R)
• M17: 11,525,918 km (0.114 R)
• M18: 13,218,917 km (0.046 R)
• M19: 14,385,481 km (0.084 R)
• M20: 17,428,152 km (0.086 R)
• M21: 31,163,032 km (0.049 R)
• M22: 31,668,672 km (0.051 R)
• M23: 40,520,827 km (0.094 R)
• M24: 41,426,642 km (0.111 R)
• M25: 43,435,143 km (0.104 R)
• M26: 44,065,998 km (0.114 R)
• M27: 44,383,743 km (0.099 R)
• M28: 46,815,457 km (0.062 R)
• M29: 48,316,223 km (0.053 R)
• M30: 50,888,408 km (0.105 R)
• M31: 53,550,503 km (0.081 R)
• M32: 56,490,699 km (0.074 R)
• M33: 62,290,309 km (0.046 R)
• M34: 68,474,386 km (0.091 R)
• M35: 68,687,264 km (0.072 R)
• M36: 70,406,293 km (0.081 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 13,683 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit