🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.51 AU - 0.63 AU

Year: 278 Days

Day: 39 Hours

Environment

Temp: -133 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 58,208,690 km

• M1: 42,935 km (0.084 R)
• M2: 800,049 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.2

Radius: 8.1

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.82 AU - 1.18 AU

Year: 646 Days

Day: 14.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,208,690 km

• M1: 100,829 km (0.09 R)
• M2: 442,211 km (0.119 R)
• M3: 1,185,862 km (0.095 R)
• M4: 1,606,831 km (0.112 R)
• M5: 1,938,190 km (0.104 R)
• M6: 2,194,451 km (0.116 R)
• M7: 2,947,078 km (0.041 R)
• M8: 3,404,249 km (0.096 R)
• M9: 4,208,637 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.9

Radius: 8.8

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.62 AU - 3.78 AU

Year: 4595 Days

Day: 6.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,208,690 km

• M1: 109,506 km (0.064 R)
• M2: 427,102 km (0.098 R)
• M3: 935,884 km (0.028 R)
• M4: 1,768,696 km (0.074 R)
• M5: 3,163,247 km (0.067 R)
• M6: 3,609,198 km (0.096 R)
• M7: 3,916,023 km (0.105 R)
• M8: 4,582,781 km (0.113 R)
• M9: 4,874,347 km (0.086 R)
• M10: 6,194,549 km (0.047 R)
• M11: 6,836,024 km (0.03 R)
• M12: 7,613,784 km (0.087 R)
• M13: 8,549,518 km (0.096 R)
• M14: 8,854,848 km (0.074 R)
• M15: 11,485,825 km (0.087 R)
• M16: 13,749,092 km (0.044 R)
• M17: 16,294,350 km (0.093 R)
• M18: 17,460,166 km (0.054 R)
• M19: 17,787,486 km (0.098 R)
• M20: 18,398,294 km (0.101 R)
• M21: 19,080,610 km (0.11 R)
• M22: 19,661,798 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.6

Radius: 9.7

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.84 AU - 4.6 AU

Year: 4633 Days

Day: 12.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,208,690 km

• M1: 125,213 km (0.059 R)
• M2: 460,462 km (0.107 R)
• M3: 803,640 km (0.119 R)
• M4: 1,276,668 km (0.119 R)
• M5: 2,070,435 km (0.116 R)
• M6: 3,181,049 km (0.112 R)
• M7: 3,746,529 km (0.104 R)
• M8: 4,095,840 km (0.078 R)
• M9: 4,512,021 km (0.104 R)
• M10: 5,277,065 km (0.064 R)
• M11: 6,153,858 km (0.096 R)
• M12: 11,654,721 km (0.11 R)
• M13: 12,583,574 km (0.119 R)
• M14: 13,370,908 km (0.077 R)
• M15: 14,738,981 km (0.099 R)
• M16: 15,146,485 km (0.095 R)
• M17: 21,932,245 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.4

Radius: 10.3

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.96 AU - 4.38 AU

Year: 5498 Days

Day: 10.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,208,690 km

• M1: 128,056 km (0.097 R)
• M2: 494,271 km (0.092 R)
• M3: 851,212 km (0.117 R)
• M4: 1,308,682 km (0.09 R)
• M5: 2,030,193 km (0.094 R)
• M6: 3,158,759 km (0.104 R)
• M7: 3,698,807 km (0.089 R)
• M8: 4,100,478 km (0.061 R)
• M9: 4,880,631 km (0.065 R)
• M10: 5,483,660 km (0.109 R)
• M11: 6,838,418 km (0.071 R)
• M12: 7,372,632 km (0.112 R)
• M13: 11,279,530 km (0.101 R)
• M14: 13,126,016 km (0.106 R)
• M15: 13,452,289 km (0.116 R)
• M16: 14,463,870 km (0.111 R)
• M17: 17,020,498 km (0.08 R)
• M18: 19,722,086 km (0.089 R)
• M19: 22,003,453 km (0.111 R)
• M20: 23,725,624 km (0.106 R)
• M21: 25,704,804 km (0.105 R)
• M22: 26,647,719 km (0.106 R)
• M23: 28,693,769 km (0.116 R)
• M24: 29,244,289 km (0.119 R)
• M25: 29,708,342 km (0.119 R)
• M26: 30,177,331 km (0.076 R)
• M27: 31,516,980 km (0.075 R)

Asteroid Belt

Center: 5.11 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149

Radius: 6.8

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.03 AU - 7.05 AU

Year: 9585 Days

Day: 17.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,208,690 km

• M1: 84,523 km (0.111 R)
• M2: 500,554 km (0.098 R)
• M3: 744,997 km (0.062 R)
• M4: 991,535 km (0.096 R)
• M5: 1,272,180 km (0.12 R)
• M6: 4,012,963 km (0.111 R)
• M7: 5,649,264 km (0.064 R)
• M8: 6,059,163 km (0.08 R)
• M9: 6,425,977 km (0.067 R)
• M10: 7,792,553 km (0.059 R)
• M11: 8,116,732 km (0.107 R)
• M12: 8,412,337 km (0.054 R)
• M13: 8,908,104 km (0.076 R)
• M14: 10,512,542 km (0.107 R)
• M15: 12,204,194 km (0.062 R)
• M16: 14,228,702 km (0.074 R)
• M17: 14,604,642 km (0.085 R)
• M18: 16,525,778 km (0.052 R)
• M19: 17,793,021 km (0.09 R)
• M20: 20,114,032 km (0.061 R)
• M21: 20,587,659 km (0.079 R)
• M22: 21,347,018 km (0.109 R)
• M23: 23,289,696 km (0.115 R)
• M24: 26,219,271 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874.2

Radius: 7.5

Gravity: 15.54 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.66 AU - 6.6 AU

Year: 9800 Days

Day: 20 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 58,208,690 km

• M1: 93,349 km (0.072 R)
• M2: 349,311 km (0.102 R)
• M3: 638,484 km (0.078 R)
• M4: 962,363 km (0.047 R)
• M5: 2,482,128 km (0.036 R)
• M6: 3,060,922 km (0.032 R)
• M7: 3,296,987 km (0.094 R)
• M8: 4,544,634 km (0.086 R)
• M9: 6,885,242 km (0.105 R)
• M10: 7,334,335 km (0.099 R)
• M11: 9,133,399 km (0.069 R)
• M12: 10,396,603 km (0.068 R)
• M13: 10,933,211 km (0.093 R)
• M14: 12,296,197 km (0.054 R)
• M15: 13,018,456 km (0.112 R)
• M16: 17,356,195 km (0.118 R)
• M17: 19,124,741 km (0.037 R)
• M18: 20,340,972 km (0.118 R)
• M19: 21,694,085 km (0.049 R)
• M20: 22,392,707 km (0.085 R)
• M21: 22,747,703 km (0.086 R)
• M22: 23,926,983 km (0.1 R)
• M23: 24,956,366 km (0.096 R)
• M24: 26,803,301 km (0.108 R)
• M25: 28,948,684 km (0.108 R)
• M26: 30,549,381 km (0.05 R)
• M27: 31,205,966 km (0.036 R)
• M28: 39,445,817 km (0.078 R)
• M29: 39,963,725 km (0.035 R)
• M30: 40,748,814 km (0.116 R)
• M31: 42,756,717 km (0.1 R)
• M32: 43,578,009 km (0.109 R)
• M33: 46,535,559 km (0.1 R)
• M34: 50,683,310 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 313

Radius: 7.2

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.19 AU - 7.91 AU

Year: 10824 Days

Day: 21 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,208,690 km

• M1: 89,759 km (0.062 R)
• M2: 660,624 km (0.079 R)
• M3: 1,117,197 km (0.054 R)
• M4: 1,562,550 km (0.1 R)
• M5: 1,946,867 km (0.117 R)
• M6: 2,805,110 km (0.083 R)
• M7: 4,095,391 km (0.082 R)
• M8: 8,434,926 km (0.087 R)
• M9: 9,343,883 km (0.099 R)
• M10: 10,173,553 km (0.079 R)
• M11: 12,625,013 km (0.116 R)
• M12: 19,017,031 km (0.115 R)
• M13: 19,453,258 km (0.087 R)
• M14: 20,649,144 km (0.09 R)
• M15: 21,656,237 km (0.086 R)
• M16: 22,452,995 km (0.104 R)
• M17: 24,530,161 km (0.084 R)
• M18: 29,544,233 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661.3

Radius: 7.2

Gravity: 12.76 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.68 AU - 8.38 AU

Year: 12035 Days

Day: 21.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 58,208,690 km

• M1: 89,609 km (0.119 R)
• M2: 347,815 km (0.086 R)
• M3: 723,754 km (0.072 R)
• M4: 966,402 km (0.12 R)
• M5: 1,730,399 km (0.09 R)
• M6: 2,565,454 km (0.062 R)
• M7: 3,488,622 km (0.072 R)
• M8: 4,025,828 km (0.06 R)
• M9: 4,524,588 km (0.099 R)
• M10: 5,298,009 km (0.045 R)
• M11: 6,778,429 km (0.119 R)
• M12: 7,657,017 km (0.087 R)
• M13: 10,530,194 km (0.069 R)
• M14: 11,590,245 km (0.107 R)
• M15: 12,597,487 km (0.106 R)
• M16: 14,249,048 km (0.113 R)
• M17: 14,649,671 km (0.114 R)
• M18: 19,160,794 km (0.12 R)
• M19: 20,145,747 km (0.082 R)
• M20: 20,735,611 km (0.104 R)
• M21: 21,685,707 km (0.113 R)
• M22: 22,038,160 km (0.119 R)
• M23: 22,484,261 km (0.111 R)
• M24: 23,579,467 km (0.118 R)
• M25: 29,485,890 km (0.105 R)
• M26: 31,579,662 km (0.101 R)
• M27: 32,032,794 km (0.096 R)
• M28: 32,490,114 km (0.055 R)
• M29: 34,125,518 km (0.091 R)
• M30: 36,680,201 km (0.058 R)
• M31: 44,961,790 km (0.052 R)
• M32: 45,247,821 km (0.114 R)
• M33: 47,137,242 km (0.061 R)
• M34: 47,432,548 km (0.031 R)
• M35: 49,078,723 km (0.092 R)
• M36: 51,072,713 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.5

Radius: 3.3

Gravity: 29.06 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 8.91 AU - 10.61 AU

Year: 19687 Days

Day: 19.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,208,690 km

• M1: 40,990 km (0.119 R)
• M2: 168,896 km (0.039 R)
• M3: 369,058 km (0.103 R)
• M4: 703,559 km (0.101 R)
• M5: 865,424 km (0.111 R)
• M6: 971,937 km (0.114 R)
• M7: 1,186,012 km (0.042 R)
• M8: 2,534,936 km (0.084 R)
• M9: 3,491,465 km (0.071 R)
• M10: 5,629,368 km (0.098 R)
• M11: 5,814,271 km (0.109 R)
• M12: 7,532,253 km (0.087 R)
• M13: 7,711,770 km (0.109 R)
• M14: 8,603,224 km (0.072 R)
• M15: 8,998,312 km (0.106 R)
• M16: 14,447,564 km (0.08 R)
• M17: 15,649,583 km (0.114 R)
• M18: 19,066,697 km (0.066 R)
• M19: 19,316,227 km (0.089 R)
• M20: 19,992,559 km (0.105 R)
• M21: 22,669,313 km (0.088 R)
• M22: 26,908,019 km (0.078 R)
• M23: 27,432,809 km (0.104 R)
• M24: 29,711,334 km (0.073 R)
• M25: 30,159,230 km (0.088 R)
• M26: 38,081,036 km (0.074 R)
• M27: 43,013,128 km (0.069 R)
• M28: 47,587,232 km (0.112 R)
• M29: 51,504,004 km (0.09 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 12,050 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit