🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.1

Radius: 11.6

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.63 AU - 0.85 AU

Year: 432 Days

Day: 7.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,383,819 km

• M1: 144,212 km (0.085 R)
• M2: 521,797 km (0.069 R)
• M3: 1,032,375 km (0.105 R)
• M4: 1,424,621 km (0.115 R)
• M5: 2,040,066 km (0.086 R)
• M6: 2,476,593 km (0.077 R)
• M7: 3,074,386 km (0.087 R)
• M8: 3,528,864 km (0.089 R)
• M9: 4,177,371 km (0.081 R)
• M10: 5,074,509 km (0.103 R)
• M11: 6,024,755 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.8

Radius: 9.5

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.74 AU - 0.98 AU

Year: 541 Days

Day: 5.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,383,819 km

• M1: 118,182 km (0.052 R)
• M2: 435,629 km (0.105 R)
• M3: 903,721 km (0.078 R)
• M4: 1,699,432 km (0.045 R)
• M5: 2,136,856 km (0.08 R)
• M6: 3,086,653 km (0.092 R)
• M7: 3,888,946 km (0.055 R)
• M8: 4,412,688 km (0.107 R)
• M9: 5,178,181 km (0.06 R)
• M10: 6,517,680 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.6

Radius: 15

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.97 AU - 2.77 AU

Year: 2475 Days

Day: 11.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,383,819 km

• M1: 186,549 km (0.102 R)
• M2: 738,565 km (0.105 R)
• M3: 1,273,227 km (0.053 R)
• M4: 2,386,834 km (0.116 R)
• M5: 3,655,574 km (0.054 R)
• M6: 4,367,211 km (0.115 R)
• M7: 5,076,155 km (0.112 R)
• M8: 5,861,095 km (0.066 R)
• M9: 6,697,497 km (0.111 R)
• M10: 8,710,037 km (0.048 R)
• M11: 9,191,742 km (0.118 R)
• M12: 9,947,660 km (0.081 R)
• M13: 10,783,912 km (0.106 R)
• M14: 11,666,689 km (0.081 R)
• M15: 12,903,265 km (0.108 R)
• M16: 13,394,545 km (0.103 R)
• M17: 14,702,030 km (0.115 R)
• M18: 16,873,443 km (0.091 R)
• M19: 19,309,196 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779

Radius: 9.3

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.38 AU - 2.72 AU

Year: 2762 Days

Day: 10.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,383,819 km

• M1: 115,639 km (0.095 R)
• M2: 540,348 km (0.066 R)
• M3: 1,059,751 km (0.099 R)
• M4: 1,486,554 km (0.111 R)
• M5: 1,805,198 km (0.118 R)
• M6: 2,278,824 km (0.097 R)
• M7: 2,721,933 km (0.108 R)
• M8: 3,186,734 km (0.055 R)
• M9: 3,942,053 km (0.117 R)
• M10: 4,297,348 km (0.068 R)
• M11: 4,628,409 km (0.118 R)
• M12: 5,000,458 km (0.096 R)
• M13: 5,518,965 km (0.11 R)
• M14: 5,964,766 km (0.048 R)
• M15: 6,293,582 km (0.086 R)
• M16: 8,460,807 km (0.116 R)
• M17: 8,841,533 km (0.047 R)
• M18: 9,342,836 km (0.097 R)
• M19: 11,922,202 km (0.045 R)
• M20: 16,871,947 km (0.084 R)
• M21: 17,643,423 km (0.093 R)
• M22: 18,553,726 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.7

Radius: 13.1

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.38 AU - 2.9 AU

Year: 2909 Days

Day: 13.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,383,819 km

• M1: 182,210 km (0.068 R)
• M2: 627,114 km (0.105 R)
• M3: 1,658,891 km (0.117 R)
• M4: 2,499,780 km (0.116 R)
• M5: 5,633,706 km (0.08 R)
• M6: 7,744,682 km (0.091 R)
• M7: 8,700,911 km (0.12 R)
• M8: 12,433,827 km (0.041 R)
• M9: 12,920,469 km (0.029 R)
• M10: 14,995,691 km (0.111 R)
• M11: 15,957,306 km (0.11 R)
• M12: 20,584,667 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.3

Radius: 5.6

Gravity: 12.64 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.76 AU - 5.82 AU

Year: 9450 Days

Day: 19.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 43,383,819 km

• M1: 69,713 km (0.075 R)
• M2: 254,915 km (0.049 R)
• M3: 506,987 km (0.104 R)
• M4: 977,173 km (0.052 R)
• M5: 2,030,043 km (0.07 R)
• M6: 2,277,628 km (0.117 R)
• M7: 2,471,806 km (0.103 R)
• M8: 2,754,546 km (0.076 R)
• M9: 4,262,492 km (0.103 R)
• M10: 4,531,170 km (0.119 R)
• M11: 5,283,049 km (0.095 R)
• M12: 5,593,315 km (0.116 R)
• M13: 6,014,732 km (0.115 R)
• M14: 7,067,751 km (0.076 R)
• M15: 7,483,035 km (0.116 R)
• M16: 9,760,962 km (0.117 R)
• M17: 11,006,813 km (0.118 R)
• M18: 11,564,663 km (0.069 R)
• M19: 12,194,321 km (0.074 R)
• M20: 12,463,447 km (0.083 R)
• M21: 13,125,268 km (0.072 R)
• M22: 14,399,094 km (0.089 R)
• M23: 14,639,199 km (0.11 R)
• M24: 14,821,110 km (0.096 R)
• M25: 15,500,883 km (0.107 R)
• M26: 19,432,464 km (0.116 R)
• M27: 20,547,866 km (0.113 R)
• M28: 21,082,678 km (0.113 R)
• M29: 21,941,968 km (0.079 R)
• M30: 23,480,583 km (0.085 R)
• M31: 25,437,622 km (0.12 R)
• M32: 26,232,136 km (0.059 R)
• M33: 32,365,499 km (0.027 R)
• M34: 34,784,048 km (0.112 R)
• M35: 37,546,672 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524

Radius: 4.2

Gravity: 29.71 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.02 AU - 8.24 AU

Year: 11579 Days

Day: 21.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 43,383,819 km

• M1: 52,210 km (0.072 R)
• M2: 573,409 km (0.032 R)
• M3: 753,674 km (0.067 R)
• M4: 891,155 km (0.081 R)
• M5: 1,045,540 km (0.103 R)
• M6: 1,867,580 km (0.105 R)
• M7: 2,381,000 km (0.08 R)
• M8: 2,578,170 km (0.089 R)
• M9: 3,212,614 km (0.108 R)
• M10: 3,355,779 km (0.116 R)
• M11: 4,540,894 km (0.115 R)
• M12: 6,015,779 km (0.111 R)
• M13: 6,959,742 km (0.112 R)
• M14: 7,613,335 km (0.111 R)
• M15: 9,279,706 km (0.09 R)
• M16: 9,669,558 km (0.119 R)
• M17: 9,818,557 km (0.104 R)
• M18: 10,326,292 km (0.096 R)
• M19: 10,586,593 km (0.087 R)
• M20: 11,449,024 km (0.072 R)
• M21: 15,369,087 km (0.119 R)
• M22: 16,899,772 km (0.112 R)
• M23: 19,224,822 km (0.095 R)
• M24: 21,164,957 km (0.118 R)
• M25: 25,618,336 km (0.059 R)
• M26: 26,095,254 km (0.088 R)
• M27: 29,496,811 km (0.107 R)
• M28: 31,303,504 km (0.112 R)
• M29: 36,080,314 km (0.1 R)
• M30: 36,800,029 km (0.072 R)
• M31: 37,651,690 km (0.106 R)
• M32: 39,647,774 km (0.115 R)
• M33: 40,157,604 km (0.034 R)
• M34: 41,713,272 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.9

Radius: 5.3

Gravity: 16.27 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.64 AU - 8.54 AU

Year: 12804 Days

Day: 16.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 43,383,819 km

• M1: 65,973 km (0.085 R)
• M2: 249,529 km (0.048 R)
• M3: 650,452 km (0.114 R)
• M4: 1,036,564 km (0.09 R)
• M5: 1,357,900 km (0.105 R)
• M6: 1,622,090 km (0.08 R)
• M7: 1,854,415 km (0.116 R)
• M8: 3,036,687 km (0.118 R)
• M9: 4,530,123 km (0.12 R)
• M10: 5,351,415 km (0.12 R)
• M11: 8,960,912 km (0.112 R)
• M12: 9,638,740 km (0.101 R)
• M13: 10,825,500 km (0.037 R)
• M14: 11,593,685 km (0.095 R)
• M15: 12,574,748 km (0.118 R)
• M16: 13,299,699 km (0.108 R)
• M17: 14,180,233 km (0.06 R)
• M18: 15,779,135 km (0.114 R)
• M19: 18,320,653 km (0.102 R)
• M20: 18,937,744 km (0.066 R)
• M21: 19,808,553 km (0.106 R)
• M22: 20,705,841 km (0.079 R)
• M23: 21,038,697 km (0.113 R)
• M24: 23,379,903 km (0.09 R)
• M25: 23,740,883 km (0.092 R)
• M26: 25,889,108 km (0.071 R)
• M27: 27,758,633 km (0.09 R)
• M28: 30,033,717 km (0.115 R)
• M29: 30,890,913 km (0.07 R)
• M30: 40,897,963 km (0.084 R)
• M31: 43,291,380 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.8

Radius: 6.1

Gravity: 10.77 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.04 AU - 8.86 AU

Year: 13792 Days

Day: 20.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,383,819 km

• M1: 75,996 km (0.09 R)
• M2: 302,786 km (0.08 R)
• M3: 528,679 km (0.105 R)
• M4: 719,566 km (0.098 R)
• M5: 1,469,350 km (0.078 R)
• M6: 1,747,303 km (0.106 R)
• M7: 2,507,560 km (0.027 R)
• M8: 2,906,238 km (0.088 R)
• M9: 3,226,377 km (0.106 R)
• M10: 3,829,855 km (0.103 R)
• M11: 4,130,397 km (0.069 R)
• M12: 4,747,788 km (0.1 R)
• M13: 7,049,800 km (0.12 R)
• M14: 7,543,772 km (0.119 R)
• M15: 9,358,095 km (0.084 R)
• M16: 9,603,735 km (0.087 R)
• M17: 10,523,462 km (0.102 R)
• M18: 11,004,719 km (0.116 R)
• M19: 15,533,944 km (0.037 R)
• M20: 19,291,244 km (0.068 R)
• M21: 20,174,170 km (0.111 R)
• M22: 25,280,095 km (0.109 R)
• M23: 27,623,247 km (0.098 R)
• M24: 30,107,319 km (0.053 R)
• M25: 35,041,057 km (0.106 R)
• M26: 41,271,360 km (0.039 R)
• M27: 42,465,899 km (0.11 R)
• M28: 47,619,994 km (0.069 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.7

Radius: 7.4

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 7.42 AU - 8.86 AU

Year: 15752 Days

Day: 15.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,383,819 km

• M1: 136,583 km (0.069 R)
• M2: 2,162,736 km (0.05 R)
• M3: 2,601,208 km (0.047 R)
• M4: 3,510,015 km (0.112 R)
• M5: 6,320,809 km (0.05 R)
• M6: 7,255,497 km (0.079 R)
• M7: 11,817,185 km (0.07 R)
• M8: 15,982,737 km (0.106 R)
• M9: 20,010,510 km (0.085 R)
• M10: 23,099,108 km (0.105 R)
• M11: 24,667,193 km (0.109 R)
• M12: 25,115,089 km (0.114 R)
• M13: 28,698,257 km (0.06 R)
• M14: 30,611,464 km (0.049 R)
• M15: 33,256,205 km (0.081 R)
• M16: 36,279,428 km (0.059 R)
• M17: 39,848,235 km (0.09 R)
• M18: 40,713,360 km (0.112 R)
• M19: 41,843,871 km (0.068 R)
• M20: 42,481,008 km (0.119 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: 393 - 10,920 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit