🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.6

Radius: 9.4

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.79 AU - 0.95 AU

Year: 560 Days

Day: 14.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,221,337 km

• M1: 116,986 km (0.094 R)
• M2: 425,456 km (0.04 R)
• M3: 751,430 km (0.065 R)
• M4: 1,415,944 km (0.117 R)
• M5: 1,813,725 km (0.119 R)
• M6: 2,136,706 km (0.12 R)
• M7: 2,683,935 km (0.107 R)
• M8: 3,759,245 km (0.103 R)
• M9: 4,058,291 km (0.073 R)
• M10: 4,515,313 km (0.109 R)
• M11: 4,838,893 km (0.119 R)
• M12: 5,353,360 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605

Radius: 13.9

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.85 AU - 1.07 AU

Year: 649 Days

Day: 13.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,221,337 km

• M1: 178,171 km (0.092 R)
• M2: 676,631 km (0.101 R)
• M3: 1,113,008 km (0.093 R)
• M4: 1,588,580 km (0.09 R)
• M5: 2,075,072 km (0.103 R)
• M6: 2,587,744 km (0.065 R)
• M7: 3,333,041 km (0.117 R)
• M8: 3,777,645 km (0.082 R)
• M9: 4,232,573 km (0.114 R)
• M10: 4,885,418 km (0.069 R)
• M11: 5,322,842 km (0.059 R)
• M12: 6,123,190 km (0.082 R)
• M13: 6,612,824 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.8

Radius: 12.6

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.34 AU - 1.78 AU

Year: 1345 Days

Day: 7.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,221,337 km

• M1: 156,629 km (0.106 R)
• M2: 559,496 km (0.117 R)
• M3: 1,091,017 km (0.071 R)
• M4: 1,681,929 km (0.112 R)
• M5: 2,196,994 km (0.093 R)
• M6: 2,967,872 km (0.114 R)
• M7: 3,980,201 km (0.07 R)
• M8: 4,426,451 km (0.105 R)
• M9: 4,906,212 km (0.062 R)
• M10: 5,463,165 km (0.059 R)
• M11: 6,131,269 km (0.094 R)
• M12: 8,069,758 km (0.11 R)
• M13: 8,554,156 km (0.047 R)
• M14: 10,621,598 km (0.119 R)
• M15: 12,210,029 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.8

Radius: 10.3

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.83 AU - 1.91 AU

Year: 1765 Days

Day: 5.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,221,337 km

• M1: 128,205 km (0.106 R)
• M2: 526,585 km (0.105 R)
• M3: 1,448,407 km (0.119 R)
• M4: 2,510,103 km (0.11 R)
• M5: 3,527,518 km (0.115 R)
• M6: 5,091,115 km (0.045 R)
• M7: 5,709,852 km (0.055 R)
• M8: 6,803,562 km (0.03 R)
• M9: 7,172,620 km (0.111 R)
• M10: 7,764,279 km (0.103 R)
• M11: 9,860,145 km (0.094 R)
• M12: 11,088,793 km (0.078 R)
• M13: 11,531,752 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.1

Radius: 13.7

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.04 AU - 6.62 AU

Year: 8494 Days

Day: 10.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,221,337 km

• M1: 171,589 km (0.102 R)
• M2: 643,570 km (0.103 R)
• M3: 1,094,458 km (0.07 R)
• M4: 1,651,860 km (0.117 R)
• M5: 2,200,734 km (0.097 R)
• M6: 2,828,896 km (0.048 R)
• M7: 3,501,937 km (0.062 R)
• M8: 4,307,820 km (0.065 R)
• M9: 6,398,600 km (0.083 R)
• M10: 6,848,591 km (0.07 R)
• M11: 7,896,972 km (0.048 R)
• M12: 8,460,059 km (0.057 R)
• M13: 8,957,322 km (0.103 R)
• M14: 10,160,538 km (0.088 R)
• M15: 10,932,612 km (0.054 R)
• M16: 14,674,504 km (0.08 R)
• M17: 17,332,409 km (0.085 R)
• M18: 19,584,605 km (0.119 R)
• M19: 20,699,708 km (0.076 R)
• M20: 21,941,071 km (0.112 R)
• M21: 23,850,837 km (0.106 R)
• M22: 25,774,816 km (0.096 R)
• M23: 27,211,254 km (0.101 R)
• M24: 31,088,083 km (0.102 R)
• M25: 31,624,242 km (0.032 R)
• M26: 38,425,559 km (0.119 R)
• M27: 39,667,521 km (0.102 R)
• M28: 41,839,981 km (0.104 R)
• M29: 43,420,632 km (0.091 R)
• M30: 45,040,628 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 71.5

Radius: 7.3

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.29 AU - 6.67 AU

Year: 11386 Days

Day: 16.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,221,337 km

• M1: 90,806 km (0.074 R)
• M2: 404,961 km (0.106 R)
• M3: 1,115,252 km (0.09 R)
• M4: 2,236,787 km (0.086 R)
• M5: 2,701,887 km (0.071 R)
• M6: 3,866,357 km (0.087 R)
• M7: 4,304,978 km (0.11 R)
• M8: 4,776,211 km (0.073 R)
• M9: 6,309,440 km (0.025 R)
• M10: 6,980,536 km (0.047 R)
• M11: 8,005,880 km (0.109 R)
• M12: 8,792,016 km (0.117 R)
• M13: 11,067,400 km (0.112 R)
• M14: 16,799,093 km (0.073 R)
• M15: 17,491,881 km (0.053 R)
• M16: 18,324,094 km (0.047 R)
• M17: 18,934,602 km (0.108 R)
• M18: 21,918,482 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708

Radius: 3.3

Gravity: 65.01 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.64 AU - 7.64 AU

Year: 11810 Days

Day: 20.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 53,221,337 km

• M1: 40,990 km (0.117 R)
• M2: 209,437 km (0.097 R)
• M3: 331,060 km (0.099 R)
• M4: 649,255 km (0.117 R)
• M5: 1,716,187 km (0.051 R)
• M6: 2,544,510 km (0.032 R)
• M7: 3,715,862 km (0.052 R)
• M8: 4,107,359 km (0.112 R)
• M9: 4,494,818 km (0.103 R)
• M10: 5,037,708 km (0.093 R)
• M11: 5,411,404 km (0.072 R)
• M12: 6,329,187 km (0.103 R)
• M13: 7,009,408 km (0.083 R)
• M14: 8,419,817 km (0.083 R)
• M15: 8,561,037 km (0.08 R)
• M16: 10,652,864 km (0.09 R)
• M17: 11,153,718 km (0.094 R)
• M18: 12,999,008 km (0.051 R)
• M19: 13,378,238 km (0.095 R)
• M20: 13,570,621 km (0.104 R)
• M21: 15,038,027 km (0.099 R)
• M22: 16,024,924 km (0.062 R)
• M23: 18,920,092 km (0.101 R)
• M24: 20,575,242 km (0.043 R)
• M25: 20,745,784 km (0.056 R)
• M26: 24,743,039 km (0.101 R)
• M27: 28,796,244 km (0.054 R)
• M28: 31,768,604 km (0.094 R)
• M29: 35,303,901 km (0.062 R)
• M30: 35,794,283 km (0.115 R)
• M31: 37,419,215 km (0.083 R)
• M32: 42,864,876 km (0.112 R)
• M33: 43,563,050 km (0.12 R)
• M34: 43,703,672 km (0.05 R)
• M35: 44,695,954 km (0.108 R)
• M36: 46,578,494 km (0.109 R)
• M37: 51,750,391 km (0.08 R)
• M38: 53,020,627 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 732.4

Radius: 4.9

Gravity: 30.5 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 8.09 AU - 10.51 AU

Year: 19577 Days

Day: 15.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 53,221,337 km

• M1: 87,216 km (0.089 R)
• M2: 324,777 km (0.104 R)
• M3: 969,394 km (0.064 R)
• M4: 1,188,106 km (0.092 R)
• M5: 1,910,814 km (0.054 R)
• M6: 2,300,217 km (0.043 R)
• M7: 2,765,466 km (0.079 R)
• M8: 3,208,126 km (0.046 R)
• M9: 3,726,932 km (0.047 R)
• M10: 4,299,742 km (0.091 R)
• M11: 4,503,195 km (0.075 R)
• M12: 4,748,536 km (0.068 R)
• M13: 5,578,505 km (0.094 R)
• M14: 6,545,206 km (0.116 R)
• M15: 8,222,946 km (0.087 R)
• M16: 11,024,914 km (0.118 R)
• M17: 11,862,962 km (0.104 R)
• M18: 15,326,152 km (0.083 R)
• M19: 16,123,808 km (0.1 R)
• M20: 18,682,530 km (0.104 R)
• M21: 19,777,736 km (0.118 R)
• M22: 21,205,947 km (0.115 R)
• M23: 24,803,028 km (0.071 R)
• M24: 25,568,221 km (0.109 R)
• M25: 27,376,111 km (0.076 R)
• M26: 27,724,225 km (0.064 R)
• M27: 31,118,003 km (0.072 R)
• M28: 32,783,625 km (0.096 R)
• M29: 41,550,360 km (0.076 R)
• M30: 43,725,363 km (0.081 R)
• M31: 46,467,043 km (0.097 R)
• M32: 48,132,217 km (0.082 R)
• M33: 53,185,334 km (0.099 R)
• M34: 55,932,699 km (0.118 R)
• M35: 58,388,947 km (0.066 R)
• M36: 63,718,221 km (0.092 R)
• M37: 66,605,011 km (0.082 R)
• M38: 71,096,986 km (0.048 R)
• M39: 76,472,786 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 196.8

Radius: 7

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.81 AU - 10.19 AU

Year: 21828 Days

Day: 21.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,221,337 km

• M1: 92,900 km (0.117 R)
• M2: 434,582 km (0.11 R)
• M3: 660,624 km (0.086 R)
• M4: 957,726 km (0.118 R)
• M5: 1,565,093 km (0.112 R)
• M6: 1,944,922 km (0.098 R)
• M7: 2,586,846 km (0.108 R)
• M8: 3,564,768 km (0.112 R)
• M9: 5,292,773 km (0.12 R)
• M10: 5,674,397 km (0.07 R)
• M11: 7,093,931 km (0.084 R)
• M12: 9,170,499 km (0.056 R)
• M13: 9,979,076 km (0.095 R)
• M14: 12,266,577 km (0.079 R)
• M15: 12,873,346 km (0.063 R)
• M16: 13,691,945 km (0.083 R)
• M17: 14,814,228 km (0.115 R)
• M18: 15,712,713 km (0.106 R)
• M19: 17,165,458 km (0.111 R)
• M20: 22,682,927 km (0.114 R)
• M21: 24,916,124 km (0.116 R)
• M22: 30,688,657 km (0.102 R)
• M23: 32,949,081 km (0.076 R)
• M24: 39,601,848 km (0.066 R)
• M25: 48,881,852 km (0.05 R)
• M26: 52,270,693 km (0.061 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 14,534 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit