🌌 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: 946.2

Radius: 11

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.73 AU - 0.99 AU

Year: 541 Days

Day: 8.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,313,938 km

• M1: 136,732 km (0.096 R)
• M2: 595,400 km (0.11 R)
• M3: 1,046,288 km (0.106 R)
• M4: 2,038,720 km (0.06 R)
• M5: 2,422,438 km (0.075 R)
• M6: 3,428,484 km (0.074 R)
• M7: 3,890,293 km (0.051 R)
• M8: 4,439,766 km (0.091 R)
• M9: 4,889,606 km (0.081 R)
• M10: 6,033,133 km (0.064 R)
• M11: 6,606,541 km (0.081 R)
• M12: 6,959,293 km (0.046 R)
• M13: 7,456,706 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.6

Radius: 10.3

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.87 AU - 0.93 AU

Year: 579 Days

Day: 8.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,313,938 km

• M1: 128,056 km (0.04 R)
• M2: 450,290 km (0.064 R)
• M3: 786,286 km (0.035 R)
• M4: 1,118,992 km (0.082 R)
• M5: 1,603,240 km (0.028 R)
• M6: 2,078,064 km (0.105 R)
• M7: 2,715,351 km (0.098 R)
• M8: 3,312,695 km (0.103 R)
• M9: 5,759,368 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.7

Radius: 10.4

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.77 AU - 2.91 AU

Year: 2428 Days

Day: 14 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,313,938 km

• M1: 139,276 km (0.061 R)
• M2: 831,166 km (0.091 R)
• M3: 1,216,530 km (0.094 R)
• M4: 1,948,063 km (0.053 R)
• M5: 3,138,264 km (0.114 R)
• M6: 3,584,365 km (0.086 R)
• M7: 3,946,541 km (0.107 R)
• M8: 4,674,485 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.6

Radius: 10.1

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.21 AU - 3.65 AU

Year: 3402 Days

Day: 14.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,313,938 km

• M1: 128,804 km (0.08 R)
• M2: 640,129 km (0.091 R)
• M3: 1,469,949 km (0.115 R)
• M4: 2,122,495 km (0.105 R)
• M5: 2,571,288 km (0.116 R)
• M6: 2,993,154 km (0.099 R)
• M7: 3,441,200 km (0.115 R)
• M8: 3,764,481 km (0.074 R)
• M9: 4,984,003 km (0.118 R)
• M10: 5,399,436 km (0.109 R)
• M11: 5,838,057 km (0.102 R)
• M12: 6,849,189 km (0.118 R)
• M13: 7,496,349 km (0.079 R)
• M14: 8,837,644 km (0.112 R)
• M15: 9,526,243 km (0.047 R)
• M16: 10,086,038 km (0.102 R)
• M17: 13,220,861 km (0.056 R)
• M18: 17,302,041 km (0.045 R)
• M19: 18,318,110 km (0.112 R)
• M20: 19,883,801 km (0.052 R)
• M21: 20,468,729 km (0.079 R)
• M22: 21,741,208 km (0.112 R)
• M23: 22,292,476 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.1

Radius: 13.7

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.94 AU - 3.08 AU

Year: 3542 Days

Day: 7.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,313,938 km

• M1: 170,392 km (0.117 R)
• M2: 781,050 km (0.052 R)
• M3: 1,243,009 km (0.087 R)
• M4: 1,744,760 km (0.069 R)
• M5: 2,357,064 km (0.114 R)
• M6: 3,318,530 km (0.036 R)
• M7: 4,019,695 km (0.099 R)
• M8: 4,671,044 km (0.102 R)
• M9: 5,121,483 km (0.073 R)
• M10: 5,815,617 km (0.11 R)
• M11: 6,571,834 km (0.099 R)
• M12: 7,947,387 km (0.07 R)
• M13: 8,404,708 km (0.073 R)
• M14: 8,944,457 km (0.097 R)
• M15: 10,703,578 km (0.084 R)
• M16: 12,237,255 km (0.109 R)
• M17: 14,624,389 km (0.12 R)
• M18: 15,642,103 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.6

Radius: 14.1

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.33 AU - 4.69 AU

Year: 6496 Days

Day: 6.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,313,938 km

• M1: 176,226 km (0.045 R)
• M2: 965,654 km (0.08 R)
• M3: 1,752,539 km (0.099 R)
• M4: 3,957,911 km (0.114 R)
• M5: 4,759,307 km (0.045 R)
• M6: 5,896,101 km (0.108 R)
• M7: 7,477,350 km (0.06 R)
• M8: 9,089,267 km (0.106 R)
• M9: 10,019,018 km (0.095 R)
• M10: 10,746,363 km (0.042 R)
• M11: 11,554,491 km (0.119 R)
• M12: 12,258,648 km (0.094 R)
• M13: 13,908,862 km (0.077 R)
• M14: 15,198,844 km (0.113 R)
• M15: 16,684,950 km (0.101 R)
• M16: 17,524,194 km (0.099 R)
• M17: 21,653,993 km (0.106 R)
• M18: 22,436,240 km (0.102 R)
• M19: 24,973,719 km (0.107 R)
• M20: 26,957,686 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336.3

Radius: 3.9

Gravity: 22.11 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.13 AU - 7.61 AU

Year: 12213 Days

Day: 19 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,313,938 km

• M1: 51,013 km (0.113 R)
• M2: 373,396 km (0.107 R)
• M3: 508,034 km (0.061 R)
• M4: 730,935 km (0.116 R)
• M5: 1,297,163 km (0.074 R)
• M6: 1,685,519 km (0.09 R)
• M7: 1,914,703 km (0.096 R)
• M8: 3,800,384 km (0.108 R)
• M9: 4,644,415 km (0.086 R)
• M10: 4,941,517 km (0.07 R)
• M11: 5,125,821 km (0.105 R)
• M12: 5,739,622 km (0.11 R)
• M13: 6,437,196 km (0.102 R)
• M14: 7,034,541 km (0.11 R)
• M15: 9,139,084 km (0.082 R)
• M16: 9,416,887 km (0.117 R)
• M17: 10,234,589 km (0.118 R)
• M18: 13,618,193 km (0.066 R)
• M19: 15,955,959 km (0.119 R)
• M20: 16,089,401 km (0.12 R)
• M21: 17,465,551 km (0.077 R)
• M22: 21,084,623 km (0.116 R)
• M23: 21,407,007 km (0.091 R)
• M24: 24,281,380 km (0.088 R)
• M25: 24,546,617 km (0.099 R)
• M26: 24,724,638 km (0.108 R)
• M27: 26,551,677 km (0.049 R)
• M28: 29,258,052 km (0.066 R)
• M29: 30,884,181 km (0.109 R)
• M30: 31,719,536 km (0.09 R)
• M31: 38,589,369 km (0.118 R)
• M32: 43,204,613 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497.5

Radius: 6.7

Gravity: 11.08 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 7.29 AU - 8.22 AU

Year: 14633 Days

Day: 19.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,313,938 km

• M1: 83,476 km (0.102 R)
• M2: 327,919 km (0.032 R)
• M3: 830,867 km (0.044 R)
• M4: 1,174,792 km (0.078 R)
• M5: 1,767,499 km (0.075 R)
• M6: 2,340,608 km (0.082 R)
• M7: 2,713,855 km (0.088 R)
• M8: 3,632,236 km (0.106 R)
• M9: 5,551,427 km (0.041 R)
• M10: 6,101,499 km (0.096 R)
• M11: 7,569,503 km (0.09 R)
• M12: 8,015,903 km (0.06 R)
• M13: 10,137,799 km (0.064 R)
• M14: 11,014,891 km (0.084 R)
• M15: 11,588,001 km (0.1 R)
• M16: 12,120,719 km (0.1 R)
• M17: 13,362,979 km (0.067 R)
• M18: 15,665,739 km (0.06 R)
• M19: 20,608,453 km (0.102 R)
• M20: 23,758,685 km (0.032 R)
• M21: 33,897,531 km (0.089 R)
• M22: 35,107,927 km (0.061 R)
• M23: 37,231,320 km (0.115 R)
• M24: 38,519,657 km (0.071 R)
• M25: 40,912,923 km (0.088 R)
• M26: 42,145,909 km (0.062 R)
• M27: 44,974,356 km (0.099 R)
• M28: 46,730,784 km (0.063 R)
• M29: 50,692,136 km (0.114 R)
• M30: 51,320,896 km (0.109 R)
• M31: 54,378,228 km (0.081 R)
• M32: 55,037,057 km (0.038 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 910.7

Radius: 5.6

Gravity: 29.04 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 7.79 AU - 9.85 AU

Year: 17766 Days

Day: 24.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 77,313,938 km

• M1: 76,295 km (0.102 R)
• M2: 422,913 km (0.109 R)
• M3: 669,301 km (0.086 R)
• M4: 869,912 km (0.093 R)
• M5: 1,097,899 km (0.11 R)
• M6: 3,214,110 km (0.11 R)
• M7: 3,525,423 km (0.051 R)
• M8: 3,982,295 km (0.104 R)
• M9: 4,512,171 km (0.036 R)
• M10: 5,087,824 km (0.098 R)
• M11: 5,957,586 km (0.114 R)
• M12: 7,539,433 km (0.1 R)
• M13: 9,046,482 km (0.079 R)
• M14: 9,381,731 km (0.098 R)
• M15: 13,203,658 km (0.106 R)
• M16: 13,562,393 km (0.117 R)
• M17: 13,780,806 km (0.106 R)
• M18: 14,450,107 km (0.106 R)
• M19: 15,454,956 km (0.092 R)
• M20: 15,933,968 km (0.068 R)
• M21: 16,754,363 km (0.057 R)
• M22: 19,109,782 km (0.107 R)
• M23: 25,006,331 km (0.077 R)
• M24: 25,334,848 km (0.099 R)
• M25: 27,950,567 km (0.115 R)
• M26: 30,242,706 km (0.073 R)
• M27: 32,009,606 km (0.041 R)
• M28: 32,657,066 km (0.111 R)
• M29: 36,304,710 km (0.056 R)
• M30: 48,180,089 km (0.089 R)
• M31: 48,518,928 km (0.117 R)
• M32: 49,890,142 km (0.065 R)
• M33: 57,324,408 km (0.117 R)
• M34: 62,402,209 km (0.099 R)
• M35: 68,410,508 km (0.105 R)
• M36: 73,441,035 km (0.115 R)
• M37: 75,019,742 km (0.116 R)
• M38: 75,703,105 km (0.059 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: 209 - 12,099 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit