🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.2

Radius: 10.4

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.57 AU - 0.75 AU

Year: 370 Days

Day: 11.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 153.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,817,065 km

• M1: 129,402 km (0.082 R)
• M2: 508,483 km (0.086 R)
• M3: 847,173 km (0.116 R)
• M4: 1,294,321 km (0.081 R)
• M5: 2,409,872 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.6

Radius: 13.6

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.92 AU - 1.12 AU

Year: 711 Days

Day: 5.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,817,065 km

• M1: 169,494 km (0.085 R)
• M2: 706,401 km (0.11 R)
• M3: 1,144,274 km (0.039 R)
• M4: 1,666,520 km (0.118 R)
• M5: 2,650,725 km (0.114 R)
• M6: 3,564,468 km (0.115 R)
• M7: 4,101,525 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.3

Radius: 9

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.81 AU - 1.35 AU

Year: 775 Days

Day: 5.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,817,065 km

• M1: 112,198 km (0.117 R)
• M2: 396,883 km (0.116 R)
• M3: 681,418 km (0.105 R)
• M4: 1,479,523 km (0.035 R)
• M5: 1,938,788 km (0.119 R)
• M6: 2,348,836 km (0.106 R)
• M7: 2,732,256 km (0.095 R)
• M8: 3,263,328 km (0.08 R)
• M9: 3,596,782 km (0.107 R)
• M10: 4,316,198 km (0.114 R)
• M11: 4,771,125 km (0.056 R)
• M12: 6,038,967 km (0.117 R)
• M13: 6,479,233 km (0.118 R)
• M14: 7,613,784 km (0.088 R)
• M15: 8,638,828 km (0.119 R)
• M16: 9,089,866 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.2

Radius: 10.3

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.22 AU - 1.26 AU

Year: 953 Days

Day: 13.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,817,065 km

• M1: 128,056 km (0.096 R)
• M2: 502,798 km (0.065 R)
• M3: 1,099,993 km (0.084 R)
• M4: 1,661,284 km (0.11 R)
• M5: 2,030,791 km (0.113 R)
• M6: 3,536,494 km (0.087 R)
• M7: 4,257,855 km (0.088 R)
• M8: 4,669,398 km (0.07 R)
• M9: 5,225,603 km (0.074 R)
• M10: 6,353,272 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.8

Radius: 10.7

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.39 AU - 1.55 AU

Year: 1230 Days

Day: 12 Hours

Environment

Temp: -184 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,817,065 km

• M1: 134,488 km (0.076 R)
• M2: 479,162 km (0.114 R)
• M3: 856,597 km (0.104 R)
• M4: 1,371,214 km (0.047 R)
• M5: 1,995,336 km (0.08 R)
• M6: 2,441,437 km (0.046 R)
• M7: 3,222,189 km (0.104 R)
• M8: 4,785,486 km (0.082 R)
• M9: 5,274,223 km (0.081 R)
• M10: 5,734,086 km (0.111 R)
• M11: 6,133,961 km (0.077 R)
• M12: 6,507,657 km (0.115 R)
• M13: 6,849,787 km (0.075 R)
• M14: 7,349,295 km (0.088 R)
• M15: 9,106,920 km (0.1 R)
• M16: 9,506,945 km (0.083 R)
• M17: 9,888,868 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.6

Radius: 11.3

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.97 AU - 3.51 AU

Year: 4026 Days

Day: 12 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,817,065 km

• M1: 142,567 km (0.114 R)
• M2: 546,331 km (0.035 R)
• M3: 993,629 km (0.109 R)
• M4: 1,465,461 km (0.117 R)
• M5: 3,468,427 km (0.034 R)
• M6: 4,051,858 km (0.076 R)
• M7: 4,674,634 km (0.104 R)
• M8: 5,443,717 km (0.095 R)
• M9: 5,932,453 km (0.107 R)
• M10: 6,932,216 km (0.072 R)
• M11: 7,753,209 km (0.101 R)
• M12: 8,150,690 km (0.078 R)
• M13: 10,607,536 km (0.111 R)
• M14: 11,143,545 km (0.103 R)
• M15: 12,318,038 km (0.082 R)
• M16: 13,834,362 km (0.113 R)
• M17: 14,259,071 km (0.117 R)
• M18: 15,699,399 km (0.034 R)
• M19: 16,992,074 km (0.106 R)
• M20: 17,913,298 km (0.088 R)
• M21: 18,802,807 km (0.097 R)
• M22: 20,259,740 km (0.089 R)
• M23: 21,015,958 km (0.113 R)
• M24: 21,648,457 km (0.106 R)
• M25: 24,000,884 km (0.031 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.8

Radius: 9.1

Gravity: 9.73 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.83 AU - 4.95 AU

Year: 6349 Days

Day: 11.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,817,065 km

• M1: 113,395 km (0.05 R)
• M2: 402,418 km (0.066 R)
• M3: 716,723 km (0.075 R)
• M4: 1,119,291 km (0.036 R)
• M5: 2,874,074 km (0.12 R)
• M6: 3,740,396 km (0.105 R)
• M7: 4,031,663 km (0.096 R)
• M8: 4,364,518 km (0.08 R)
• M9: 5,292,623 km (0.082 R)
• M10: 5,724,063 km (0.11 R)
• M11: 6,046,447 km (0.079 R)
• M12: 6,518,278 km (0.111 R)
• M13: 7,087,349 km (0.059 R)
• M14: 7,962,795 km (0.082 R)
• M15: 8,571,659 km (0.105 R)
• M16: 8,908,852 km (0.113 R)
• M17: 9,973,840 km (0.095 R)
• M18: 13,906,618 km (0.112 R)
• M19: 15,897,317 km (0.107 R)
• M20: 17,661,674 km (0.084 R)
• M21: 18,347,132 km (0.097 R)
• M22: 19,625,296 km (0.074 R)
• M23: 21,886,168 km (0.078 R)
• M24: 23,160,443 km (0.09 R)
• M25: 24,992,269 km (0.065 R)
• M26: 26,119,040 km (0.104 R)
• M27: 27,460,784 km (0.078 R)
• M28: 34,972,392 km (0.091 R)
• M29: 36,161,844 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.9

Radius: 9.5

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.77 AU - 6.29 AU

Year: 8976 Days

Day: 6.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,817,065 km

• M1: 118,182 km (0.104 R)
• M2: 696,378 km (0.065 R)
• M3: 1,023,399 km (0.088 R)
• M4: 1,345,483 km (0.086 R)
• M5: 2,005,958 km (0.097 R)
• M6: 2,464,775 km (0.103 R)
• M7: 3,317,034 km (0.094 R)
• M8: 5,498,619 km (0.1 R)
• M9: 6,022,212 km (0.101 R)
• M10: 6,686,726 km (0.107 R)
• M11: 7,055,634 km (0.079 R)
• M12: 8,244,787 km (0.03 R)
• M13: 8,669,346 km (0.104 R)
• M14: 10,031,584 km (0.11 R)
• M15: 13,933,695 km (0.1 R)
• M16: 17,887,866 km (0.052 R)
• M17: 20,311,202 km (0.044 R)
• M18: 23,957,201 km (0.062 R)
• M19: 29,664,211 km (0.025 R)
• M20: 30,160,576 km (0.045 R)
• M21: 32,620,115 km (0.072 R)
• M22: 34,332,412 km (0.054 R)
• M23: 38,285,087 km (0.111 R)
• M24: 40,431,517 km (0.036 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.8

Radius: 7.5

Gravity: 17.51 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.68 AU - 7.06 AU

Year: 12429 Days

Day: 19.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 53,817,065 km

• M1: 93,199 km (0.096 R)
• M2: 607,966 km (0.119 R)
• M3: 967,300 km (0.098 R)
• M4: 1,322,445 km (0.119 R)
• M5: 1,616,255 km (0.045 R)
• M6: 2,045,003 km (0.033 R)
• M7: 2,657,457 km (0.037 R)
• M8: 3,359,968 km (0.1 R)
• M9: 3,684,745 km (0.05 R)
• M10: 4,853,254 km (0.107 R)
• M11: 5,268,837 km (0.107 R)
• M12: 5,559,057 km (0.105 R)
• M13: 7,484,980 km (0.104 R)
• M14: 8,924,411 km (0.073 R)
• M15: 12,151,536 km (0.109 R)
• M16: 13,784,845 km (0.109 R)
• M17: 16,386,352 km (0.083 R)
• M18: 16,849,657 km (0.067 R)
• M19: 17,242,351 km (0.056 R)
• M20: 17,802,446 km (0.103 R)
• M21: 18,623,439 km (0.104 R)
• M22: 19,989,267 km (0.098 R)
• M23: 26,648,766 km (0.056 R)
• M24: 28,380,212 km (0.113 R)
• M25: 29,273,461 km (0.078 R)
• M26: 30,185,260 km (0.111 R)
• M27: 30,881,339 km (0.091 R)
• M28: 31,233,492 km (0.097 R)
• M29: 34,272,423 km (0.065 R)
• M30: 43,231,092 km (0.109 R)
• M31: 47,617,451 km (0.066 R)
• M32: 48,560,516 km (0.11 R)
• M33: 58,328,509 km (0.097 R)
• M34: 59,589,170 km (0.056 R)

Asteroid Belt

Center: 7.74 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.8

Radius: 4.9

Gravity: 13.28 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.7 AU - 9.52 AU

Year: 17439 Days

Day: 16.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 53,817,065 km

• M1: 60,886 km (0.064 R)
• M2: 565,929 km (0.103 R)
• M3: 880,832 km (0.097 R)
• M4: 1,038,808 km (0.089 R)
• M5: 1,331,720 km (0.083 R)
• M6: 1,601,146 km (0.099 R)
• M7: 1,822,401 km (0.115 R)
• M8: 2,674,960 km (0.113 R)
• M9: 2,895,766 km (0.086 R)
• M10: 3,658,416 km (0.058 R)
• M11: 4,275,507 km (0.111 R)
• M12: 4,608,961 km (0.064 R)
• M13: 4,894,394 km (0.09 R)
• M14: 5,191,645 km (0.108 R)
• M15: 6,984,126 km (0.092 R)
• M16: 9,501,410 km (0.118 R)
• M17: 10,387,478 km (0.1 R)
• M18: 14,218,978 km (0.107 R)
• M19: 15,029,051 km (0.078 R)
• M20: 16,012,657 km (0.049 R)
• M21: 18,817,168 km (0.112 R)
• M22: 21,668,055 km (0.118 R)
• M23: 23,565,554 km (0.09 R)
• M24: 26,564,842 km (0.114 R)
• M25: 31,132,514 km (0.093 R)
• M26: 31,922,390 km (0.086 R)
• M27: 32,150,527 km (0.114 R)
• M28: 33,190,532 km (0.104 R)
• M29: 34,014,816 km (0.086 R)
• M30: 36,944,541 km (0.11 R)
• M31: 37,448,685 km (0.116 R)
• M32: 43,579,655 km (0.119 R)
• M33: 52,220,428 km (0.065 R)
• M34: 53,174,563 km (0.097 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: 301 - 13,182 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit