🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949

Radius: 9.5

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.17 AU - 1.29 AU

Year: 867 Days

Day: 11.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,090,376 km

• M1: 119,379 km (0.09 R)
• M2: 417,677 km (0.054 R)
• M3: 1,036,564 km (0.064 R)
• M4: 1,404,425 km (0.083 R)
• M5: 1,821,803 km (0.06 R)
• M6: 2,180,090 km (0.093 R)
• M7: 2,491,104 km (0.083 R)
• M8: 2,831,888 km (0.065 R)
• M9: 3,387,494 km (0.069 R)
• M10: 3,730,073 km (0.1 R)
• M11: 4,450,537 km (0.117 R)
• M12: 5,260,908 km (0.077 R)
• M13: 5,909,864 km (0.118 R)
• M14: 6,702,583 km (0.114 R)
• M15: 8,100,575 km (0.08 R)
• M16: 10,071,677 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.4

Radius: 13

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.31 AU - 1.95 AU

Year: 1323 Days

Day: 14.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,090,376 km

• M1: 161,715 km (0.107 R)
• M2: 597,494 km (0.058 R)
• M3: 1,537,417 km (0.097 R)
• M4: 2,332,081 km (0.081 R)
• M5: 2,802,866 km (0.093 R)
• M6: 3,313,144 km (0.113 R)
• M7: 3,818,486 km (0.113 R)
• M8: 4,750,331 km (0.108 R)
• M9: 5,295,316 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.3

Radius: 13.5

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.72 AU - 2.68 AU

Year: 2075 Days

Day: 11.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,090,376 km

• M1: 167,998 km (0.077 R)
• M2: 683,363 km (0.043 R)
• M3: 1,290,132 km (0.058 R)
• M4: 2,196,994 km (0.051 R)
• M5: 2,645,040 km (0.114 R)
• M6: 3,459,750 km (0.091 R)
• M7: 4,170,938 km (0.101 R)
• M8: 5,091,414 km (0.116 R)
• M9: 5,637,147 km (0.117 R)
• M10: 6,846,646 km (0.038 R)
• M11: 7,483,185 km (0.066 R)
• M12: 7,939,608 km (0.055 R)
• M13: 8,544,432 km (0.048 R)
• M14: 9,111,707 km (0.099 R)
• M15: 9,668,361 km (0.11 R)
• M16: 10,508,203 km (0.057 R)
• M17: 11,757,196 km (0.086 R)
• M18: 12,375,783 km (0.118 R)
• M19: 14,595,666 km (0.06 R)
• M20: 15,750,711 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.5

Radius: 13.6

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.37 AU - 3.03 AU

Year: 2821 Days

Day: 5.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,090,376 km

• M1: 343,178 km (0.1 R)
• M2: 868,266 km (0.115 R)
• M3: 1,457,831 km (0.062 R)
• M4: 1,959,583 km (0.113 R)
• M5: 3,666,195 km (0.084 R)
• M6: 4,695,728 km (0.112 R)
• M7: 5,199,124 km (0.108 R)
• M8: 6,212,052 km (0.057 R)
• M9: 6,765,863 km (0.064 R)
• M10: 7,702,794 km (0.065 R)
• M11: 8,405,755 km (0.116 R)
• M12: 10,333,473 km (0.077 R)
• M13: 11,931,627 km (0.099 R)
• M14: 12,664,806 km (0.064 R)
• M15: 13,645,271 km (0.116 R)
• M16: 14,087,183 km (0.114 R)
• M17: 14,584,147 km (0.091 R)
• M18: 15,853,934 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.1

Radius: 10.5

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.23 AU - 3.51 AU

Year: 3933 Days

Day: 9.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 43,090,376 km

• M1: 133,441 km (0.116 R)
• M2: 510,727 km (0.069 R)
• M3: 906,264 km (0.117 R)
• M4: 1,393,055 km (0.083 R)
• M5: 1,752,988 km (0.075 R)
• M6: 2,291,391 km (0.089 R)
• M7: 2,715,201 km (0.034 R)
• M8: 3,285,020 km (0.078 R)
• M9: 3,721,845 km (0.04 R)
• M10: 4,520,548 km (0.075 R)
• M11: 5,036,960 km (0.089 R)
• M12: 5,674,995 km (0.066 R)
• M13: 6,013,834 km (0.109 R)
• M14: 7,373,679 km (0.086 R)
• M15: 7,743,635 km (0.113 R)
• M16: 8,704,651 km (0.1 R)
• M17: 9,584,287 km (0.11 R)
• M18: 10,648,975 km (0.102 R)
• M19: 11,565,112 km (0.103 R)
• M20: 12,019,291 km (0.054 R)
• M21: 14,367,978 km (0.085 R)
• M22: 17,595,253 km (0.052 R)
• M23: 17,954,437 km (0.077 R)
• M24: 18,502,564 km (0.119 R)
• M25: 20,410,385 km (0.106 R)
• M26: 21,209,089 km (0.087 R)
• M27: 22,868,877 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.2

Radius: 9.1

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.76 AU - 3.84 AU

Year: 4710 Days

Day: 7.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,090,376 km

• M1: 117,285 km (0.095 R)
• M2: 443,707 km (0.089 R)
• M3: 854,204 km (0.054 R)
• M4: 1,351,318 km (0.082 R)
• M5: 1,860,399 km (0.08 R)
• M6: 2,167,972 km (0.101 R)
• M7: 2,906,537 km (0.117 R)
• M8: 3,282,476 km (0.104 R)
• M9: 4,379,178 km (0.056 R)
• M10: 5,122,530 km (0.111 R)
• M11: 5,794,225 km (0.117 R)
• M12: 6,135,607 km (0.08 R)
• M13: 7,897,720 km (0.085 R)
• M14: 8,202,002 km (0.106 R)
• M15: 10,239,974 km (0.06 R)
• M16: 11,256,492 km (0.095 R)
• M17: 14,482,420 km (0.083 R)
• M18: 14,824,102 km (0.041 R)
• M19: 15,171,169 km (0.111 R)
• M20: 16,988,334 km (0.06 R)
• M21: 21,341,782 km (0.079 R)
• M22: 22,308,782 km (0.09 R)
• M23: 22,995,287 km (0.112 R)
• M24: 25,965,852 km (0.059 R)
• M25: 30,004,097 km (0.085 R)
• M26: 31,406,427 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.6

Radius: 8.4

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.35 AU - 5.55 AU

Year: 7002 Days

Day: 14.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,090,376 km

• M1: 107,411 km (0.094 R)
• M2: 381,774 km (0.112 R)
• M3: 739,911 km (0.077 R)
• M4: 1,365,230 km (0.056 R)
• M5: 2,544,809 km (0.03 R)
• M6: 3,032,798 km (0.057 R)
• M7: 3,649,440 km (0.043 R)
• M8: 3,951,777 km (0.105 R)
• M9: 4,296,152 km (0.096 R)
• M10: 5,245,500 km (0.104 R)
• M11: 5,754,282 km (0.092 R)
• M12: 6,835,576 km (0.094 R)
• M13: 7,405,992 km (0.077 R)
• M14: 7,778,491 km (0.109 R)
• M15: 9,965,462 km (0.042 R)
• M16: 11,815,838 km (0.076 R)
• M17: 13,387,065 km (0.097 R)
• M18: 13,661,876 km (0.082 R)
• M19: 13,996,526 km (0.098 R)
• M20: 15,510,756 km (0.086 R)
• M21: 16,307,514 km (0.115 R)
• M22: 18,588,134 km (0.045 R)
• M23: 19,911,177 km (0.097 R)
• M24: 20,341,720 km (0.106 R)
• M25: 20,851,849 km (0.037 R)
• M26: 21,295,855 km (0.09 R)
• M27: 21,821,991 km (0.064 R)
• M28: 23,293,436 km (0.092 R)
• M29: 25,161,763 km (0.09 R)
• M30: 27,479,932 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112.9

Radius: 5.6

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.93 AU - 6.71 AU

Year: 10102 Days

Day: 16.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,090,376 km

• M1: 70,012 km (0.089 R)
• M2: 343,028 km (0.09 R)
• M3: 571,913 km (0.068 R)
• M4: 1,352,814 km (0.039 R)
• M5: 1,622,987 km (0.078 R)
• M6: 2,138,651 km (0.12 R)
• M7: 3,888,198 km (0.1 R)
• M8: 4,225,093 km (0.1 R)
• M9: 5,060,447 km (0.12 R)
• M10: 7,019,880 km (0.092 R)
• M11: 9,277,312 km (0.098 R)
• M12: 9,474,781 km (0.106 R)
• M13: 10,001,665 km (0.033 R)
• M14: 10,420,240 km (0.099 R)
• M15: 16,333,245 km (0.041 R)
• M16: 18,485,809 km (0.034 R)
• M17: 18,862,048 km (0.095 R)
• M18: 24,080,171 km (0.04 R)
• M19: 24,528,815 km (0.084 R)
• M20: 26,379,939 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 993.5

Radius: 7.6

Gravity: 17.2 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.87 AU - 7.21 AU

Year: 10634 Days

Day: 21.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 43,090,376 km

• M1: 94,546 km (0.068 R)
• M2: 539,300 km (0.095 R)
• M3: 2,197,144 km (0.104 R)
• M4: 3,191,072 km (0.105 R)
• M5: 3,899,119 km (0.094 R)
• M6: 4,457,269 km (0.078 R)
• M7: 4,836,499 km (0.078 R)
• M8: 5,100,988 km (0.08 R)
• M9: 9,280,154 km (0.077 R)
• M10: 9,689,903 km (0.081 R)
• M11: 11,219,541 km (0.068 R)
• M12: 11,743,732 km (0.077 R)
• M13: 14,272,684 km (0.03 R)
• M14: 15,167,130 km (0.041 R)
• M15: 15,449,720 km (0.076 R)
• M16: 16,541,037 km (0.039 R)
• M17: 17,604,977 km (0.091 R)
• M18: 19,868,692 km (0.079 R)
• M19: 21,778,308 km (0.084 R)
• M20: 22,685,470 km (0.106 R)
• M21: 23,055,276 km (0.104 R)
• M22: 30,869,521 km (0.078 R)
• M23: 31,782,516 km (0.098 R)
• M24: 39,343,941 km (0.097 R)
• M25: 39,878,005 km (0.074 R)
• M26: 40,281,620 km (0.107 R)
• M27: 44,469,463 km (0.044 R)
• M28: 51,599,298 km (0.108 R)
• M29: 55,685,115 km (0.075 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.2

Radius: 6.5

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 7.93 AU - 9.75 AU

Year: 16711 Days

Day: 15 Hours

Environment

Temp: -237 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,090,376 km

• M1: 81,082 km (0.068 R)
• M2: 538,852 km (0.078 R)
• M3: 1,097,600 km (0.112 R)
• M4: 2,854,178 km (0.09 R)
• M5: 4,690,192 km (0.096 R)
• M6: 4,897,086 km (0.105 R)
• M7: 9,370,960 km (0.113 R)
• M8: 9,843,241 km (0.1 R)
• M9: 10,886,536 km (0.087 R)
• M10: 11,461,590 km (0.064 R)
• M11: 24,851,348 km (0.055 R)
• M12: 27,628,632 km (0.111 R)
• M13: 31,226,162 km (0.112 R)
• M14: 39,577,762 km (0.066 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 19,516 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit