🌌 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: 525.9

Radius: 14.1

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.61 AU - 0.81 AU

Year: 413 Days

Day: 10.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,913,810 km

• M1: 175,329 km (0.12 R)
• M2: 643,420 km (0.114 R)
• M3: 1,226,852 km (0.075 R)
• M4: 2,212,553 km (0.091 R)
• M5: 2,712,359 km (0.119 R)
• M6: 3,233,408 km (0.084 R)
• M7: 3,821,178 km (0.109 R)
• M8: 4,291,664 km (0.061 R)
• M9: 5,078,249 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828

Radius: 11.9

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.31 AU - 2.09 AU

Year: 1530 Days

Day: 10.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,913,810 km

• M1: 148,700 km (0.051 R)
• M2: 653,593 km (0.081 R)
• M3: 1,094,308 km (0.101 R)
• M4: 1,707,360 km (0.094 R)
• M5: 2,825,605 km (0.052 R)
• M6: 3,593,790 km (0.039 R)
• M7: 4,136,980 km (0.106 R)
• M8: 4,535,508 km (0.117 R)
• M9: 6,722,928 km (0.075 R)
• M10: 7,718,353 km (0.057 R)
• M11: 8,090,702 km (0.084 R)
• M12: 8,809,519 km (0.054 R)
• M13: 9,701,572 km (0.093 R)
• M14: 10,900,150 km (0.103 R)
• M15: 12,939,617 km (0.11 R)
• M16: 14,304,698 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.3

Radius: 11.9

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.67 AU - 2.23 AU

Year: 1880 Days

Day: 8.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,913,810 km

• M1: 148,850 km (0.066 R)
• M2: 620,981 km (0.114 R)
• M3: 1,592,769 km (0.105 R)
• M4: 2,137,903 km (0.116 R)
• M5: 2,550,195 km (0.097 R)
• M6: 3,237,148 km (0.1 R)
• M7: 4,765,291 km (0.073 R)
• M8: 5,315,212 km (0.117 R)
• M9: 6,412,214 km (0.108 R)
• M10: 6,836,772 km (0.109 R)
• M11: 8,071,852 km (0.099 R)
• M12: 9,896,498 km (0.055 R)
• M13: 11,320,071 km (0.08 R)
• M14: 12,301,882 km (0.118 R)
• M15: 12,792,862 km (0.098 R)
• M16: 13,212,035 km (0.113 R)
• M17: 15,683,691 km (0.112 R)
• M18: 16,654,432 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.1

Radius: 11.5

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.76 AU - 3.68 AU

Year: 3988 Days

Day: 9.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,913,810 km

• M1: 145,708 km (0.057 R)
• M2: 565,929 km (0.081 R)
• M3: 1,633,459 km (0.11 R)
• M4: 2,459,987 km (0.043 R)
• M5: 3,388,093 km (0.099 R)
• M6: 4,464,599 km (0.085 R)
• M7: 4,928,951 km (0.112 R)
• M8: 5,344,982 km (0.096 R)
• M9: 6,427,921 km (0.107 R)
• M10: 6,989,512 km (0.112 R)
• M11: 7,617,524 km (0.116 R)
• M12: 8,104,016 km (0.071 R)
• M13: 8,500,899 km (0.082 R)
• M14: 10,640,747 km (0.066 R)
• M15: 11,973,664 km (0.1 R)
• M16: 15,130,478 km (0.071 R)
• M17: 16,929,393 km (0.051 R)
• M18: 17,699,522 km (0.102 R)
• M19: 18,062,746 km (0.101 R)
• M20: 19,954,262 km (0.111 R)
• M21: 21,286,431 km (0.112 R)
• M22: 22,113,707 km (0.052 R)
• M23: 23,539,823 km (0.108 R)
• M24: 24,127,145 km (0.097 R)

Asteroid Belt

Center: 3.49 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.5

Radius: 13.5

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.05 AU - 4.47 AU

Year: 5033 Days

Day: 8.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,913,810 km

• M1: 167,849 km (0.108 R)
• M2: 863,180 km (0.081 R)
• M3: 1,625,979 km (0.061 R)
• M4: 3,958,360 km (0.096 R)
• M5: 4,841,436 km (0.06 R)
• M6: 5,520,311 km (0.093 R)
• M7: 6,326,494 km (0.064 R)
• M8: 10,222,770 km (0.074 R)
• M9: 11,246,020 km (0.029 R)
• M10: 11,932,225 km (0.033 R)
• M11: 12,490,674 km (0.081 R)
• M12: 13,173,140 km (0.113 R)
• M13: 13,605,478 km (0.066 R)
• M14: 14,785,506 km (0.085 R)
• M15: 15,729,618 km (0.092 R)
• M16: 16,155,074 km (0.064 R)
• M17: 17,029,174 km (0.12 R)
• M18: 19,561,118 km (0.12 R)
• M19: 20,698,810 km (0.077 R)
• M20: 28,291,201 km (0.101 R)
• M21: 28,830,950 km (0.101 R)
• M22: 29,561,138 km (0.113 R)
• M23: 30,116,894 km (0.099 R)
• M24: 33,398,772 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.6

Radius: 9.5

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.21 AU - 4.37 AU

Year: 6133 Days

Day: 7.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,913,810 km

• M1: 118,332 km (0.096 R)
• M2: 505,342 km (0.107 R)
• M3: 886,517 km (0.092 R)
• M4: 1,448,107 km (0.033 R)
• M5: 1,929,813 km (0.099 R)
• M6: 2,264,912 km (0.068 R)
• M7: 2,585,500 km (0.116 R)
• M8: 3,404,399 km (0.066 R)
• M9: 4,285,829 km (0.113 R)
• M10: 4,753,323 km (0.076 R)
• M11: 6,072,028 km (0.105 R)
• M12: 6,696,599 km (0.116 R)
• M13: 7,112,631 km (0.086 R)
• M14: 7,472,563 km (0.12 R)
• M15: 9,630,513 km (0.098 R)
• M16: 9,982,217 km (0.065 R)
• M17: 10,805,155 km (0.05 R)
• M18: 14,099,599 km (0.069 R)
• M19: 15,550,998 km (0.103 R)
• M20: 15,852,737 km (0.114 R)
• M21: 17,035,458 km (0.117 R)
• M22: 18,477,282 km (0.1 R)
• M23: 23,132,468 km (0.096 R)
• M24: 25,394,687 km (0.077 R)
• M25: 26,151,952 km (0.12 R)
• M26: 30,166,710 km (0.117 R)
• M27: 31,302,906 km (0.108 R)
• M28: 32,369,239 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.7

Radius: 5.9

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 9.14 AU - 11.42 AU

Year: 22751 Days

Day: 19.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 64,913,810 km

• M1: 73,453 km (0.11 R)
• M2: 279,299 km (0.109 R)
• M3: 607,816 km (0.104 R)
• M4: 821,891 km (0.102 R)
• M5: 1,806,544 km (0.027 R)
• M6: 3,098,621 km (0.069 R)
• M7: 3,331,245 km (0.088 R)
• M8: 3,860,822 km (0.08 R)
• M9: 4,775,014 km (0.061 R)
• M10: 6,550,741 km (0.051 R)
• M11: 8,178,366 km (0.12 R)
• M12: 8,929,946 km (0.081 R)
• M13: 10,226,810 km (0.098 R)
• M14: 11,521,430 km (0.11 R)
• M15: 12,400,168 km (0.051 R)
• M16: 13,255,269 km (0.083 R)
• M17: 13,731,738 km (0.102 R)
• M18: 13,939,380 km (0.025 R)
• M19: 16,991,326 km (0.093 R)
• M20: 17,391,650 km (0.073 R)
• M21: 17,962,516 km (0.102 R)
• M22: 19,750,210 km (0.079 R)
• M23: 20,014,849 km (0.068 R)
• M24: 24,885,007 km (0.05 R)
• M25: 25,924,563 km (0.079 R)
• M26: 27,978,691 km (0.088 R)
• M27: 34,404,817 km (0.086 R)
• M28: 35,303,751 km (0.098 R)
• M29: 41,028,413 km (0.116 R)
• M30: 41,893,687 km (0.108 R)
• M31: 48,293,783 km (0.096 R)
• M32: 54,273,360 km (0.114 R)
• M33: 54,792,763 km (0.051 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: 333 - 17,309 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit