🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.1

Radius: 8

Gravity: 13.77 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.54 AU - 0.88 AU

Year: 399 Days

Day: 7.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 142.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,333,333 km

• M1: 99,782 km (0.109 R)
• M2: 374,144 km (0.113 R)
• M3: 678,426 km (0.068 R)
• M4: 1,758,822 km (0.103 R)
• M5: 2,287,800 km (0.116 R)
• M6: 3,376,424 km (0.105 R)
• M7: 4,110,201 km (0.104 R)
• M8: 5,200,172 km (0.093 R)
• M9: 6,086,389 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.7

Radius: 11.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.84 AU - 1.36 AU

Year: 769 Days

Day: 11.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,333,333 km

• M1: 146,307 km (0.12 R)
• M2: 596,447 km (0.065 R)
• M3: 1,049,579 km (0.112 R)
• M4: 1,465,610 km (0.117 R)
• M5: 2,269,101 km (0.072 R)
• M6: 2,872,279 km (0.069 R)
• M7: 3,346,355 km (0.101 R)
• M8: 3,957,312 km (0.088 R)
• M9: 4,348,212 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.8

Radius: 11.5

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.29 AU - 1.87 AU

Year: 1324 Days

Day: 8.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,333,333 km

• M1: 143,016 km (0.108 R)
• M2: 593,754 km (0.116 R)
• M3: 952,789 km (0.045 R)
• M4: 1,551,928 km (0.113 R)
• M5: 2,619,908 km (0.104 R)
• M6: 3,069,150 km (0.1 R)
• M7: 3,439,704 km (0.106 R)
• M8: 4,189,638 km (0.063 R)
• M9: 5,725,410 km (0.063 R)
• M10: 6,183,329 km (0.046 R)
• M11: 8,187,940 km (0.055 R)
• M12: 8,555,502 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806

Radius: 14

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.93 AU - 2.71 AU

Year: 2356 Days

Day: 6.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,333,333 km

• M1: 176,974 km (0.115 R)
• M2: 733,030 km (0.112 R)
• M3: 1,240,615 km (0.071 R)
• M4: 2,036,326 km (0.071 R)
• M5: 2,537,030 km (0.092 R)
• M6: 4,083,423 km (0.106 R)
• M7: 5,283,946 km (0.05 R)
• M8: 5,851,222 km (0.074 R)
• M9: 7,864,061 km (0.094 R)
• M10: 9,288,083 km (0.118 R)
• M11: 9,896,348 km (0.045 R)
• M12: 10,569,090 km (0.078 R)
• M13: 11,554,192 km (0.112 R)
• M14: 12,642,516 km (0.097 R)
• M15: 13,480,414 km (0.095 R)
• M16: 16,064,567 km (0.032 R)
• M17: 17,581,191 km (0.063 R)
• M18: 18,793,980 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.6

Radius: 11.4

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 5.23 AU - 5.35 AU

Year: 8114 Days

Day: 13.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,333,333 km

• M1: 151,243 km (0.091 R)
• M2: 548,875 km (0.091 R)
• M3: 960,269 km (0.094 R)
• M4: 1,407,566 km (0.1 R)
• M5: 1,775,128 km (0.088 R)
• M6: 3,107,447 km (0.117 R)
• M7: 3,708,531 km (0.04 R)
• M8: 4,310,663 km (0.061 R)
• M9: 6,295,378 km (0.033 R)
• M10: 7,722,392 km (0.03 R)
• M11: 9,072,812 km (0.063 R)
• M12: 10,001,515 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839

Radius: 13.6

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.34 AU - 6.3 AU

Year: 8183 Days

Day: 9.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 107.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,333,333 km

• M1: 169,195 km (0.099 R)
• M2: 720,015 km (0.08 R)
• M3: 1,304,942 km (0.078 R)
• M4: 2,036,625 km (0.103 R)
• M5: 3,295,043 km (0.072 R)
• M6: 5,722,867 km (0.042 R)
• M7: 7,605,705 km (0.112 R)
• M8: 8,845,124 km (0.116 R)
• M9: 9,920,583 km (0.112 R)
• M10: 10,414,705 km (0.1 R)
• M11: 11,398,909 km (0.034 R)
• M12: 12,274,954 km (0.093 R)
• M13: 13,019,503 km (0.105 R)
• M14: 16,852,350 km (0.103 R)
• M15: 17,557,105 km (0.091 R)
• M16: 19,481,981 km (0.052 R)
• M17: 20,495,507 km (0.106 R)
• M18: 22,797,668 km (0.063 R)
• M19: 23,923,093 km (0.092 R)
• M20: 26,851,172 km (0.11 R)
• M21: 33,962,905 km (0.114 R)
• M22: 36,237,840 km (0.088 R)
• M23: 38,855,653 km (0.087 R)
• M24: 40,585,902 km (0.084 R)
• M25: 43,145,821 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.5

Radius: 3.2

Gravity: 91.55 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.49 AU - 7.05 AU

Year: 11747 Days

Day: 22.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,333,333 km

• M1: 63,729 km (0.112 R)
• M2: 185,501 km (0.111 R)
• M3: 420,819 km (0.086 R)
• M4: 628,161 km (0.094 R)
• M5: 921,224 km (0.097 R)
• M6: 1,068,428 km (0.094 R)
• M7: 1,179,430 km (0.055 R)
• M8: 1,638,396 km (0.046 R)
• M9: 1,769,743 km (0.113 R)
• M10: 2,206,419 km (0.089 R)
• M11: 3,340,221 km (0.093 R)
• M12: 3,578,979 km (0.11 R)
• M13: 4,552,862 km (0.046 R)
• M14: 5,543,648 km (0.059 R)
• M15: 6,147,724 km (0.092 R)
• M16: 7,134,173 km (0.027 R)
• M17: 7,352,287 km (0.057 R)
• M18: 7,710,424 km (0.083 R)
• M19: 8,221,600 km (0.104 R)
• M20: 8,364,915 km (0.098 R)
• M21: 11,954,067 km (0.09 R)
• M22: 12,574,599 km (0.042 R)
• M23: 12,956,971 km (0.091 R)
• M24: 14,082,396 km (0.047 R)
• M25: 21,230,780 km (0.079 R)
• M26: 25,018,000 km (0.09 R)
• M27: 35,007,099 km (0.064 R)
• M28: 36,657,911 km (0.107 R)
• M29: 39,162,778 km (0.118 R)
• M30: 44,363,398 km (0.075 R)
• M31: 45,247,821 km (0.052 R)
• M32: 58,716,117 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497.1

Radius: 5.5

Gravity: 16.43 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 6.98 AU - 7.2 AU

Year: 12589 Days

Day: 23.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 92.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,333,333 km

• M1: 68,815 km (0.076 R)
• M2: 332,556 km (0.118 R)
• M3: 1,181,225 km (0.096 R)
• M4: 1,696,440 km (0.051 R)
• M5: 4,399,075 km (0.109 R)
• M6: 6,412,962 km (0.086 R)
• M7: 7,160,951 km (0.086 R)
• M8: 7,450,722 km (0.073 R)
• M9: 10,212,299 km (0.086 R)
• M10: 11,396,216 km (0.112 R)
• M11: 11,620,763 km (0.03 R)
• M12: 12,312,653 km (0.116 R)
• M13: 20,226,978 km (0.064 R)
• M14: 20,973,621 km (0.074 R)
• M15: 27,923,639 km (0.116 R)
• M16: 31,857,016 km (0.093 R)
• M17: 32,980,197 km (0.1 R)
• M18: 34,949,803 km (0.082 R)
• M19: 46,552,613 km (0.113 R)
• M20: 46,983,006 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 666.2

Radius: 3.2

Gravity: 65.06 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 7.38 AU - 10.12 AU

Year: 17260 Days

Day: 19.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 68,333,333 km

• M1: 51,761 km (0.094 R)
• M2: 186,399 km (0.092 R)
• M3: 530,773 km (0.04 R)
• M4: 709,094 km (0.087 R)
• M5: 983,905 km (0.088 R)
• M6: 1,538,913 km (0.077 R)
• M7: 1,757,625 km (0.07 R)
• M8: 2,893,223 km (0.087 R)
• M9: 2,993,005 km (0.095 R)
• M10: 3,360,716 km (0.077 R)
• M11: 3,728,278 km (0.118 R)
• M12: 3,906,748 km (0.101 R)
• M13: 4,377,832 km (0.114 R)
• M14: 4,509,628 km (0.089 R)
• M15: 4,991,931 km (0.093 R)
• M16: 5,545,743 km (0.027 R)
• M17: 6,263,064 km (0.099 R)
• M18: 6,430,464 km (0.094 R)
• M19: 8,423,707 km (0.1 R)
• M20: 8,627,758 km (0.108 R)
• M21: 10,264,807 km (0.104 R)
• M22: 10,733,946 km (0.06 R)
• M23: 11,034,339 km (0.113 R)
• M24: 12,888,006 km (0.105 R)
• M25: 13,364,625 km (0.103 R)
• M26: 17,775,219 km (0.1 R)
• M27: 17,942,469 km (0.055 R)
• M28: 21,703,509 km (0.103 R)
• M29: 22,867,231 km (0.118 R)
• M30: 29,082,275 km (0.102 R)
• M31: 31,339,707 km (0.114 R)
• M32: 31,583,850 km (0.103 R)
• M33: 33,839,188 km (0.096 R)
• M34: 35,665,778 km (0.11 R)
• M35: 38,807,483 km (0.114 R)
• M36: 45,011,307 km (0.075 R)
• M37: 49,825,815 km (0.098 R)
• M38: 53,392,826 km (0.07 R)
• M39: 55,505,448 km (0.036 R)
• M40: 57,673,270 km (0.078 R)
• M41: 58,408,245 km (0.081 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 17,627 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit