🌌 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: 633.7

Radius: 12.7

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.61 AU - 0.81 AU

Year: 413 Days

Day: 14 Hours

Environment

Temp: -149 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,161,916 km

• M1: 157,975 km (0.098 R)
• M2: 601,234 km (0.093 R)
• M3: 1,986,061 km (0.051 R)
• M4: 2,427,076 km (0.071 R)
• M5: 2,831,140 km (0.108 R)
• M6: 3,752,962 km (0.059 R)
• M7: 4,762,747 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.7

Radius: 8.5

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.67 AU - 0.83 AU

Year: 448 Days

Day: 11 Hours

Environment

Temp: -166 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,161,916 km

• M1: 105,766 km (0.117 R)
• M2: 383,270 km (0.075 R)
• M3: 1,071,270 km (0.115 R)
• M4: 1,480,570 km (0.064 R)
• M5: 1,768,247 km (0.096 R)
• M6: 2,189,664 km (0.092 R)
• M7: 2,516,685 km (0.071 R)
• M8: 2,844,005 km (0.095 R)
• M9: 3,293,397 km (0.112 R)
• M10: 3,622,812 km (0.118 R)
• M11: 3,947,589 km (0.076 R)
• M12: 4,235,265 km (0.088 R)
• M13: 4,883,772 km (0.084 R)
• M14: 5,855,410 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.7

Radius: 14.4

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.81 AU - 0.85 AU

Year: 522 Days

Day: 10.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 41,161,916 km

• M1: 179,218 km (0.074 R)
• M2: 918,830 km (0.075 R)
• M3: 1,785,451 km (0.116 R)
• M4: 2,293,036 km (0.098 R)
• M5: 2,993,753 km (0.061 R)
• M6: 3,640,913 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.1

Radius: 14.9

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.89 AU - 1.43 AU

Year: 862 Days

Day: 7.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,161,916 km

• M1: 185,501 km (0.042 R)
• M2: 659,876 km (0.115 R)
• M3: 1,163,572 km (0.09 R)
• M4: 1,628,971 km (0.092 R)
• M5: 2,202,081 km (0.082 R)
• M6: 2,713,406 km (0.04 R)
• M7: 3,765,977 km (0.059 R)
• M8: 4,403,862 km (0.116 R)
• M9: 5,264,349 km (0.071 R)
• M10: 6,107,183 km (0.056 R)
• M11: 6,605,793 km (0.116 R)
• M12: 7,489,617 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.5

Radius: 12.4

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.73 AU - 3.35 AU

Year: 3659 Days

Day: 10.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,161,916 km

• M1: 155,881 km (0.087 R)
• M2: 1,045,390 km (0.074 R)
• M3: 4,047,221 km (0.092 R)
• M4: 4,774,117 km (0.111 R)
• M5: 5,260,011 km (0.042 R)
• M6: 6,567,945 km (0.069 R)
• M7: 7,720,447 km (0.058 R)
• M8: 8,236,111 km (0.092 R)
• M9: 9,235,873 km (0.092 R)
• M10: 9,678,533 km (0.101 R)
• M11: 11,244,823 km (0.098 R)
• M12: 12,351,847 km (0.104 R)
• M13: 15,963,589 km (0.069 R)
• M14: 16,652,188 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.7

Radius: 12

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.6 AU - 4.42 AU

Year: 5543 Days

Day: 12.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,161,916 km

• M1: 184,454 km (0.045 R)
• M2: 600,785 km (0.118 R)
• M3: 1,238,371 km (0.1 R)
• M4: 1,714,092 km (0.096 R)
• M5: 2,186,522 km (0.05 R)
• M6: 4,841,735 km (0.099 R)
• M7: 8,263,936 km (0.076 R)
• M8: 9,558,257 km (0.082 R)
• M9: 15,675,912 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.9

Radius: 8

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.46 AU - 4.84 AU

Year: 5836 Days

Day: 13.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,161,916 km

• M1: 99,632 km (0.103 R)
• M2: 350,358 km (0.118 R)
• M3: 622,776 km (0.116 R)
• M4: 971,937 km (0.107 R)
• M5: 1,369,419 km (0.095 R)
• M6: 1,619,696 km (0.03 R)
• M7: 2,045,900 km (0.052 R)
• M8: 2,359,158 km (0.05 R)
• M9: 4,721,907 km (0.12 R)
• M10: 5,416,939 km (0.103 R)
• M11: 6,601,604 km (0.084 R)
• M12: 7,078,822 km (0.118 R)
• M13: 7,652,230 km (0.078 R)
• M14: 8,102,370 km (0.049 R)
• M15: 9,948,857 km (0.062 R)
• M16: 11,182,441 km (0.101 R)
• M17: 12,617,832 km (0.07 R)
• M18: 13,299,550 km (0.09 R)
• M19: 14,793,584 km (0.119 R)
• M20: 15,670,377 km (0.118 R)
• M21: 17,915,243 km (0.055 R)
• M22: 18,441,827 km (0.109 R)
• M23: 20,437,463 km (0.081 R)
• M24: 21,745,995 km (0.069 R)
• M25: 22,725,263 km (0.045 R)
• M26: 29,498,606 km (0.083 R)
• M27: 31,356,910 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 623

Radius: 4.5

Gravity: 30.77 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 7.63 AU - 8.63 AU

Year: 16001 Days

Day: 21.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 41,161,916 km

• M1: 55,950 km (0.087 R)
• M2: 257,608 km (0.091 R)
• M3: 491,279 km (0.105 R)
• M4: 678,127 km (0.031 R)
• M5: 911,649 km (0.071 R)
• M6: 1,096,104 km (0.079 R)
• M7: 1,277,865 km (0.1 R)
• M8: 2,507,111 km (0.063 R)
• M9: 3,017,539 km (0.109 R)
• M10: 3,792,456 km (0.094 R)
• M11: 3,938,463 km (0.106 R)
• M12: 4,398,925 km (0.116 R)
• M13: 5,500,115 km (0.108 R)
• M14: 5,725,410 km (0.095 R)
• M15: 6,114,364 km (0.105 R)
• M16: 7,387,592 km (0.044 R)
• M17: 7,895,776 km (0.038 R)
• M18: 8,426,848 km (0.073 R)
• M19: 8,776,907 km (0.079 R)
• M20: 9,399,683 km (0.088 R)
• M21: 9,776,221 km (0.115 R)
• M22: 10,051,331 km (0.043 R)
• M23: 10,790,644 km (0.103 R)
• M24: 14,749,303 km (0.073 R)
• M25: 21,090,457 km (0.063 R)
• M26: 22,203,914 km (0.112 R)
• M27: 24,851,049 km (0.102 R)
• M28: 25,157,575 km (0.085 R)
• M29: 34,545,290 km (0.064 R)
• M30: 37,948,193 km (0.11 R)
• M31: 38,901,131 km (0.115 R)
• M32: 41,424,698 km (0.108 R)
• M33: 41,999,901 km (0.111 R)
• M34: 46,794,812 km (0.038 R)
• M35: 47,262,156 km (0.061 R)
• M36: 49,002,578 km (0.066 R)
• M37: 53,115,921 km (0.082 R)
• M38: 54,823,730 km (0.101 R)
• M39: 61,834,185 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.3

Radius: 6.6

Gravity: 13.94 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.62 AU - 8.74 AU

Year: 16149 Days

Day: 23.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 41,161,916 km

• M1: 82,129 km (0.118 R)
• M2: 356,193 km (0.103 R)
• M3: 702,512 km (0.084 R)
• M4: 1,047,634 km (0.103 R)
• M5: 1,341,893 km (0.113 R)
• M6: 1,690,606 km (0.038 R)
• M7: 2,914,017 km (0.119 R)
• M8: 3,314,490 km (0.12 R)
• M9: 5,697,884 km (0.052 R)
• M10: 7,038,879 km (0.076 R)
• M11: 8,089,954 km (0.027 R)
• M12: 9,137,438 km (0.079 R)
• M13: 9,613,010 km (0.081 R)
• M14: 10,385,533 km (0.086 R)
• M15: 10,728,860 km (0.114 R)
• M16: 12,560,836 km (0.069 R)
• M17: 12,819,939 km (0.076 R)
• M18: 17,546,185 km (0.12 R)
• M19: 19,291,393 km (0.103 R)
• M20: 21,149,100 km (0.085 R)
• M21: 22,546,793 km (0.085 R)
• M22: 23,317,072 km (0.088 R)
• M23: 35,755,387 km (0.079 R)
• M24: 38,409,852 km (0.025 R)
• M25: 39,507,451 km (0.074 R)
• M26: 43,958,586 km (0.093 R)
• M27: 46,074,050 km (0.106 R)
• M28: 47,625,829 km (0.119 R)
• M29: 48,098,109 km (0.083 R)
• M30: 54,182,554 km (0.116 R)
• M31: 56,788,698 km (0.106 R)
• M32: 59,659,332 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.6

Radius: 6.1

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 7.59 AU - 10.01 AU

Year: 18019 Days

Day: 19 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,161,916 km

• M1: 98,585 km (0.105 R)
• M2: 2,277,328 km (0.075 R)
• M3: 2,494,395 km (0.075 R)
• M4: 3,770,166 km (0.102 R)
• M5: 4,233,620 km (0.07 R)
• M6: 5,919,737 km (0.111 R)
• M7: 9,219,418 km (0.113 R)
• M8: 13,749,839 km (0.097 R)
• M9: 27,789,450 km (0.104 R)
• M10: 28,458,452 km (0.083 R)
• M11: 35,636,756 km (0.112 R)
• M12: 37,458,110 km (0.036 R)
• M13: 40,670,874 km (0.108 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 18,052 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit