🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.8

Radius: 11.4

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.54 AU - 0.56 AU

Year: 282 Days

Day: 12.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 75 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,202,370 km

• M1: 141,819 km (0.082 R)
• M2: 551,119 km (0.086 R)
• M3: 927,956 km (0.062 R)
• M4: 1,508,545 km (0.088 R)
• M5: 2,749,459 km (0.07 R)
• M6: 3,189,576 km (0.072 R)
• M7: 3,789,015 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.8

Radius: 12.7

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.53 AU - 0.85 AU

Year: 396 Days

Day: 6.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 50,202,370 km

• M1: 157,975 km (0.11 R)
• M2: 571,913 km (0.074 R)
• M3: 1,051,374 km (0.037 R)
• M4: 2,475,845 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.9

Radius: 9.7

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.96 AU - 1.04 AU

Year: 690 Days

Day: 11 Hours

Environment

Temp: -180 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,202,370 km

• M1: 120,725 km (0.117 R)
• M2: 428,897 km (0.028 R)
• M3: 796,010 km (0.069 R)
• M4: 1,238,970 km (0.11 R)
• M5: 1,574,069 km (0.105 R)
• M6: 1,896,602 km (0.108 R)
• M7: 2,632,175 km (0.119 R)
• M8: 3,247,321 km (0.071 R)
• M9: 4,330,410 km (0.074 R)
• M10: 4,954,981 km (0.072 R)
• M11: 5,619,195 km (0.113 R)
• M12: 6,341,603 km (0.062 R)
• M13: 7,170,076 km (0.117 R)
• M14: 7,657,915 km (0.098 R)
• M15: 7,995,408 km (0.113 R)
• M16: 8,469,334 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.7

Radius: 12.4

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.85 AU - 1.23 AU

Year: 732 Days

Day: 12.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 50,202,370 km

• M1: 316,100 km (0.094 R)
• M2: 844,929 km (0.075 R)
• M3: 1,387,670 km (0.077 R)
• M4: 1,918,293 km (0.096 R)
• M5: 2,828,447 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.9

Radius: 8.1

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.41 AU - 2.29 AU

Year: 1737 Days

Day: 9.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,202,370 km

• M1: 112,348 km (0.073 R)
• M2: 491,878 km (0.098 R)
• M3: 747,541 km (0.098 R)
• M4: 1,323,941 km (0.033 R)
• M5: 1,742,815 km (0.103 R)
• M6: 2,075,072 km (0.109 R)
• M7: 4,871,056 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.9

Radius: 12.5

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.33 AU - 3.39 AU

Year: 4251 Days

Day: 12 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,202,370 km

• M1: 155,582 km (0.069 R)
• M2: 550,520 km (0.111 R)
• M3: 1,499,569 km (0.075 R)
• M4: 1,916,498 km (0.109 R)
• M5: 3,242,534 km (0.049 R)
• M6: 3,806,667 km (0.094 R)
• M7: 4,458,465 km (0.119 R)
• M8: 5,390,011 km (0.114 R)
• M9: 6,271,442 km (0.106 R)
• M10: 6,716,496 km (0.085 R)
• M11: 9,230,787 km (0.111 R)
• M12: 11,035,685 km (0.109 R)
• M13: 12,875,440 km (0.118 R)
• M14: 13,646,168 km (0.107 R)
• M15: 14,807,646 km (0.104 R)
• M16: 17,040,095 km (0.094 R)
• M17: 18,266,498 km (0.037 R)
• M18: 20,311,501 km (0.101 R)
• M19: 22,094,708 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.7

Radius: 9

Gravity: 10.34 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.91 AU - 4.67 AU

Year: 6133 Days

Day: 10.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,202,370 km

• M1: 111,899 km (0.088 R)
• M2: 488,886 km (0.116 R)
• M3: 829,969 km (0.113 R)
• M4: 1,275,920 km (0.107 R)
• M5: 1,587,682 km (0.079 R)
• M6: 1,995,785 km (0.119 R)
• M7: 2,300,217 km (0.076 R)
• M8: 3,065,560 km (0.107 R)
• M9: 3,726,184 km (0.111 R)
• M10: 4,140,869 km (0.09 R)
• M11: 5,792,729 km (0.03 R)
• M12: 7,272,551 km (0.095 R)
• M13: 9,075,205 km (0.107 R)
• M14: 9,827,982 km (0.104 R)
• M15: 11,256,941 km (0.061 R)
• M16: 12,283,631 km (0.064 R)
• M17: 12,874,094 km (0.114 R)
• M18: 15,243,425 km (0.093 R)
• M19: 16,434,224 km (0.109 R)
• M20: 17,889,063 km (0.091 R)
• M21: 18,929,217 km (0.042 R)
• M22: 20,303,722 km (0.081 R)
• M23: 21,358,387 km (0.086 R)
• M24: 23,494,645 km (0.034 R)
• M25: 26,206,405 km (0.049 R)
• M26: 28,279,832 km (0.094 R)
• M27: 28,931,929 km (0.107 R)
• M28: 31,740,928 km (0.114 R)
• M29: 32,648,389 km (0.105 R)
• M30: 33,160,014 km (0.056 R)
• M31: 35,906,780 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.2

Radius: 10.3

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.88 AU - 5.44 AU

Year: 6944 Days

Day: 13.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,202,370 km

• M1: 135,236 km (0.073 R)
• M2: 474,524 km (0.091 R)
• M3: 1,072,916 km (0.112 R)
• M4: 1,804,001 km (0.097 R)
• M5: 2,349,883 km (0.031 R)
• M6: 2,819,172 km (0.065 R)
• M7: 3,173,420 km (0.106 R)
• M8: 4,988,491 km (0.112 R)
• M9: 5,637,895 km (0.074 R)
• M10: 6,412,662 km (0.106 R)
• M11: 6,918,154 km (0.111 R)
• M12: 7,886,800 km (0.092 R)
• M13: 9,210,442 km (0.116 R)
• M14: 10,876,812 km (0.077 R)
• M15: 11,439,749 km (0.094 R)
• M16: 12,791,516 km (0.1 R)
• M17: 13,188,399 km (0.099 R)
• M18: 14,983,274 km (0.11 R)
• M19: 18,185,117 km (0.105 R)
• M20: 19,051,738 km (0.081 R)
• M21: 22,384,180 km (0.081 R)
• M22: 23,211,456 km (0.059 R)
• M23: 25,996,071 km (0.069 R)
• M24: 26,450,400 km (0.082 R)
• M25: 31,289,741 km (0.039 R)
• M26: 34,678,731 km (0.111 R)
• M27: 38,775,170 km (0.06 R)
• M28: 39,488,004 km (0.099 R)
• M29: 39,847,637 km (0.118 R)
• M30: 40,939,552 km (0.077 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.2

Radius: 9.3

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5 AU - 5.48 AU

Year: 8280 Days

Day: 11.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,202,370 km

• M1: 115,639 km (0.085 R)
• M2: 1,059,153 km (0.117 R)
• M3: 1,356,853 km (0.104 R)
• M4: 1,669,213 km (0.098 R)
• M5: 2,161,390 km (0.045 R)
• M6: 3,483,985 km (0.111 R)
• M7: 5,218,273 km (0.102 R)
• M8: 5,929,312 km (0.117 R)
• M9: 6,238,231 km (0.107 R)
• M10: 6,963,482 km (0.073 R)
• M11: 7,464,335 km (0.084 R)
• M12: 8,113,590 km (0.093 R)
• M13: 8,977,518 km (0.102 R)
• M14: 9,571,122 km (0.055 R)
• M15: 10,836,870 km (0.084 R)
• M16: 12,431,882 km (0.045 R)
• M17: 14,794,481 km (0.038 R)
• M18: 17,371,754 km (0.091 R)
• M19: 22,722,869 km (0.072 R)
• M20: 26,134,898 km (0.094 R)
• M21: 28,202,939 km (0.08 R)
• M22: 28,883,160 km (0.049 R)
• M23: 33,628,704 km (0.096 R)
• M24: 36,528,359 km (0.109 R)
• M25: 38,630,808 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.6

Radius: 6.2

Gravity: 19.5 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.85 AU - 6.23 AU

Year: 10246 Days

Day: 24.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,202,370 km

• M1: 77,342 km (0.063 R)
• M2: 290,220 km (0.109 R)
• M3: 547,977 km (0.113 R)
• M4: 787,483 km (0.062 R)
• M5: 1,213,239 km (0.109 R)
• M6: 2,012,690 km (0.106 R)
• M7: 2,454,901 km (0.088 R)
• M8: 2,805,858 km (0.08 R)
• M9: 3,608,151 km (0.107 R)
• M10: 4,034,655 km (0.029 R)
• M11: 4,614,346 km (0.057 R)
• M12: 5,149,458 km (0.109 R)
• M13: 6,119,899 km (0.09 R)
• M14: 7,795,994 km (0.068 R)
• M15: 10,424,279 km (0.099 R)
• M16: 13,033,266 km (0.089 R)
• M17: 14,685,275 km (0.08 R)
• M18: 18,322,448 km (0.106 R)
• M19: 19,021,070 km (0.116 R)
• M20: 21,139,226 km (0.051 R)
• M21: 21,563,785 km (0.098 R)
• M22: 27,815,779 km (0.112 R)
• M23: 28,531,455 km (0.084 R)
• M24: 29,786,582 km (0.051 R)
• M25: 31,627,084 km (0.058 R)
• M26: 32,406,489 km (0.073 R)
• M27: 32,857,676 km (0.064 R)
• M28: 33,084,766 km (0.109 R)
• M29: 35,294,925 km (0.096 R)
• M30: 43,598,355 km (0.071 R)
• M31: 43,872,717 km (0.112 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 12,584 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit