🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.8

Radius: 11.6

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.76 AU - 0.96 AU

Year: 541 Days

Day: 14.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,057,129 km

• M1: 144,212 km (0.117 R)
• M2: 554,859 km (0.062 R)
• M3: 1,026,541 km (0.087 R)
• M4: 1,837,361 km (0.106 R)
• M5: 2,531,046 km (0.056 R)
• M6: 2,945,133 km (0.117 R)
• M7: 3,830,453 km (0.071 R)
• M8: 4,394,437 km (0.112 R)
• M9: 4,837,546 km (0.12 R)
• M10: 5,260,011 km (0.058 R)
• M11: 5,636,698 km (0.106 R)
• M12: 6,560,615 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.9

Radius: 11.9

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.09 AU - 1.23 AU

Year: 847 Days

Day: 12.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,057,129 km

• M1: 200,162 km (0.117 R)
• M2: 637,736 km (0.095 R)
• M3: 1,499,419 km (0.08 R)
• M4: 2,354,222 km (0.067 R)
• M5: 3,208,874 km (0.087 R)
• M6: 4,379,478 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.8

Radius: 8.7

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.31 AU - 1.53 AU

Year: 1148 Days

Day: 14.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,057,129 km

• M1: 108,309 km (0.094 R)
• M2: 412,591 km (0.1 R)
• M3: 788,680 km (0.045 R)
• M4: 1,069,924 km (0.051 R)
• M5: 1,499,719 km (0.102 R)
• M6: 1,793,529 km (0.111 R)
• M7: 2,641,300 km (0.107 R)
• M8: 2,964,880 km (0.104 R)
• M9: 3,608,899 km (0.069 R)
• M10: 3,993,814 km (0.039 R)
• M11: 4,679,870 km (0.112 R)
• M12: 5,173,543 km (0.112 R)
• M13: 6,027,597 km (0.039 R)
• M14: 6,550,143 km (0.06 R)
• M15: 6,865,196 km (0.104 R)
• M16: 7,871,541 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.1

Radius: 14.6

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.75 AU - 1.77 AU

Year: 1584 Days

Day: 11.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,057,129 km

• M1: 181,612 km (0.118 R)
• M2: 878,140 km (0.101 R)
• M3: 1,566,290 km (0.039 R)
• M4: 2,111,275 km (0.053 R)
• M5: 2,870,334 km (0.083 R)
• M6: 4,188,142 km (0.118 R)
• M7: 5,143,324 km (0.116 R)
• M8: 5,652,855 km (0.079 R)
• M9: 6,705,575 km (0.106 R)
• M10: 7,609,296 km (0.094 R)
• M11: 8,194,672 km (0.079 R)
• M12: 9,143,422 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.9

Radius: 8.2

Gravity: 12.89 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.63 AU - 2.51 AU

Year: 2020 Days

Day: 14 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,057,129 km

• M1: 102,026 km (0.116 R)
• M2: 463,005 km (0.074 R)
• M3: 1,022,950 km (0.09 R)
• M4: 1,513,033 km (0.068 R)
• M5: 2,040,216 km (0.055 R)
• M6: 2,804,511 km (0.108 R)
• M7: 3,746,978 km (0.087 R)
• M8: 4,667,603 km (0.118 R)
• M9: 5,043,692 km (0.108 R)
• M10: 6,534,884 km (0.061 R)
• M11: 6,837,221 km (0.119 R)
• M12: 8,204,246 km (0.081 R)
• M13: 9,674,046 km (0.102 R)
• M14: 9,959,179 km (0.107 R)
• M15: 10,249,698 km (0.084 R)
• M16: 13,564,338 km (0.052 R)
• M17: 15,754,750 km (0.092 R)
• M18: 17,637,290 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.4

Radius: 11.6

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.26 AU - 2.48 AU

Year: 2475 Days

Day: 7.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,057,129 km

• M1: 144,512 km (0.1 R)
• M2: 505,192 km (0.064 R)
• M3: 918,681 km (0.036 R)
• M4: 2,415,856 km (0.101 R)
• M5: 2,969,069 km (0.087 R)
• M6: 3,493,409 km (0.095 R)
• M7: 4,219,408 km (0.061 R)
• M8: 4,694,830 km (0.058 R)
• M9: 5,773,431 km (0.09 R)
• M10: 6,593,975 km (0.114 R)
• M11: 7,190,721 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774

Radius: 11

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.28 AU - 4.88 AU

Year: 5590 Days

Day: 14.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,057,129 km

• M1: 136,732 km (0.111 R)
• M2: 750,533 km (0.095 R)
• M3: 1,371,513 km (0.098 R)
• M4: 1,831,976 km (0.096 R)
• M5: 3,130,036 km (0.064 R)
• M6: 4,456,371 km (0.045 R)
• M7: 5,131,506 km (0.115 R)
• M8: 6,719,936 km (0.047 R)
• M9: 9,148,508 km (0.035 R)
• M10: 10,699,090 km (0.055 R)
• M11: 11,561,522 km (0.114 R)
• M12: 12,009,867 km (0.104 R)
• M13: 12,677,821 km (0.092 R)
• M14: 13,809,080 km (0.059 R)
• M15: 14,599,855 km (0.086 R)
• M16: 17,606,772 km (0.08 R)
• M17: 20,349,798 km (0.064 R)
• M18: 20,930,687 km (0.111 R)
• M19: 24,406,893 km (0.096 R)
• M20: 24,980,152 km (0.084 R)
• M21: 26,840,551 km (0.088 R)
• M22: 27,539,472 km (0.096 R)
• M23: 28,250,361 km (0.106 R)
• M24: 29,708,940 km (0.045 R)
• M25: 30,268,736 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927.9

Radius: 3.6

Gravity: 71.6 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 6.07 AU - 6.89 AU

Year: 11188 Days

Day: 23.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 61,057,129 km

• M1: 44,730 km (0.065 R)
• M2: 161,715 km (0.091 R)
• M3: 628,311 km (0.112 R)
• M4: 980,614 km (0.102 R)
• M5: 1,339,200 km (0.11 R)
• M6: 1,452,147 km (0.12 R)
• M7: 1,633,609 km (0.026 R)
• M8: 1,881,343 km (0.053 R)
• M9: 2,250,102 km (0.095 R)
• M10: 2,621,553 km (0.065 R)
• M11: 3,153,972 km (0.071 R)
• M12: 3,700,004 km (0.092 R)
• M13: 3,981,099 km (0.067 R)
• M14: 5,898,943 km (0.085 R)
• M15: 6,012,338 km (0.114 R)
• M16: 6,560,465 km (0.047 R)
• M17: 7,269,858 km (0.088 R)
• M18: 9,138,186 km (0.12 R)
• M19: 9,967,557 km (0.096 R)
• M20: 10,236,683 km (0.111 R)
• M21: 10,959,241 km (0.109 R)
• M22: 11,188,126 km (0.106 R)
• M23: 11,478,794 km (0.041 R)
• M24: 12,567,119 km (0.06 R)
• M25: 13,329,619 km (0.098 R)
• M26: 13,656,341 km (0.067 R)
• M27: 16,094,038 km (0.07 R)
• M28: 16,764,835 km (0.117 R)
• M29: 17,453,883 km (0.114 R)
• M30: 17,687,704 km (0.105 R)
• M31: 18,161,780 km (0.12 R)
• M32: 18,970,356 km (0.106 R)
• M33: 21,540,149 km (0.089 R)
• M34: 25,314,353 km (0.069 R)
• M35: 28,633,481 km (0.04 R)
• M36: 30,962,271 km (0.067 R)
• M37: 34,995,430 km (0.112 R)
• M38: 37,394,830 km (0.107 R)
• M39: 47,633,159 km (0.084 R)
• M40: 49,166,537 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 791.6

Radius: 5.7

Gravity: 24.36 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 6.26 AU - 7.88 AU

Year: 12750 Days

Day: 15.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,057,129 km

• M1: 72,854 km (0.118 R)
• M2: 336,296 km (0.096 R)
• M3: 617,989 km (0.03 R)
• M4: 939,624 km (0.111 R)
• M5: 1,195,287 km (0.059 R)
• M6: 1,395,599 km (0.074 R)
• M7: 3,575,090 km (0.091 R)
• M8: 4,202,204 km (0.092 R)
• M9: 4,510,376 km (0.079 R)
• M10: 4,702,459 km (0.039 R)
• M11: 6,243,318 km (0.046 R)
• M12: 8,425,202 km (0.099 R)
• M13: 9,633,804 km (0.078 R)
• M14: 11,776,793 km (0.054 R)
• M15: 12,451,928 km (0.092 R)
• M16: 13,087,869 km (0.071 R)
• M17: 15,054,183 km (0.069 R)
• M18: 18,645,729 km (0.068 R)
• M19: 21,483,301 km (0.031 R)
• M20: 24,301,426 km (0.104 R)
• M21: 27,675,606 km (0.069 R)
• M22: 27,889,531 km (0.117 R)
• M23: 30,658,438 km (0.106 R)
• M24: 32,050,297 km (0.047 R)
• M25: 34,959,526 km (0.073 R)
• M26: 38,040,046 km (0.1 R)
• M27: 53,487,671 km (0.104 R)
• M28: 56,698,491 km (0.078 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619.5

Radius: 3.3

Gravity: 56.89 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.85 AU - 8.99 AU

Year: 15117 Days

Day: 24.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,057,129 km

• M1: 49,068 km (0.083 R)
• M2: 325,226 km (0.032 R)
• M3: 927,357 km (0.112 R)
• M4: 1,088,923 km (0.047 R)
• M5: 2,194,152 km (0.117 R)
• M6: 2,590,437 km (0.083 R)
• M7: 2,770,852 km (0.055 R)
• M8: 3,008,114 km (0.083 R)
• M9: 3,442,247 km (0.056 R)
• M10: 3,660,510 km (0.1 R)
• M11: 5,345,730 km (0.107 R)
• M12: 5,675,594 km (0.101 R)
• M13: 6,295,378 km (0.064 R)
• M14: 6,416,402 km (0.066 R)
• M15: 7,088,546 km (0.055 R)
• M16: 8,278,597 km (0.09 R)
• M17: 10,082,298 km (0.11 R)
• M18: 11,104,500 km (0.067 R)
• M19: 15,737,995 km (0.097 R)
• M20: 19,057,722 km (0.055 R)
• M21: 19,652,822 km (0.077 R)
• M22: 20,172,674 km (0.102 R)
• M23: 21,421,218 km (0.076 R)
• M24: 23,389,328 km (0.06 R)
• M25: 23,777,385 km (0.12 R)
• M26: 32,347,548 km (0.041 R)
• M27: 34,302,493 km (0.045 R)
• M28: 36,334,780 km (0.079 R)
• M29: 43,931,360 km (0.099 R)
• M30: 50,397,279 km (0.041 R)
• M31: 58,530,167 km (0.067 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 11,350 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit