🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.9

Radius: 8.6

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.52 AU - 0.66 AU

Year: 307 Days

Day: 9.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,519,455 km

• M1: 106,962 km (0.053 R)
• M2: 486,193 km (0.114 R)
• M3: 911,051 km (0.041 R)
• M4: 1,655,001 km (0.118 R)
• M5: 2,524,614 km (0.101 R)
• M6: 3,080,669 km (0.075 R)
• M7: 3,538,438 km (0.08 R)
• M8: 3,806,817 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.7

Radius: 11.1

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.84 AU - 2.54 AU

Year: 2198 Days

Day: 8.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,519,455 km

• M1: 145,858 km (0.057 R)
• M2: 551,867 km (0.094 R)
• M3: 972,985 km (0.098 R)
• M4: 1,343,090 km (0.062 R)
• M5: 1,885,532 km (0.09 R)
• M6: 2,252,944 km (0.063 R)
• M7: 2,626,191 km (0.115 R)
• M8: 4,333,252 km (0.109 R)
• M9: 4,680,917 km (0.083 R)
• M10: 5,069,573 km (0.077 R)
• M11: 5,765,352 km (0.061 R)
• M12: 8,872,201 km (0.101 R)
• M13: 10,093,967 km (0.092 R)
• M14: 10,708,515 km (0.096 R)
• M15: 11,157,308 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.4

Radius: 8.4

Gravity: 10.35 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.13 AU - 2.59 AU

Year: 2459 Days

Day: 8.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,519,455 km

• M1: 105,167 km (0.1 R)
• M2: 382,223 km (0.094 R)
• M3: 673,938 km (0.08 R)
• M4: 1,064,987 km (0.079 R)
• M5: 1,551,330 km (0.095 R)
• M6: 2,231,851 km (0.094 R)
• M7: 2,625,293 km (0.106 R)
• M8: 2,902,348 km (0.12 R)
• M9: 3,233,109 km (0.093 R)
• M10: 3,682,052 km (0.026 R)
• M11: 4,050,512 km (0.093 R)
• M12: 4,507,683 km (0.1 R)
• M13: 4,884,370 km (0.102 R)
• M14: 5,281,852 km (0.098 R)
• M15: 5,600,196 km (0.084 R)
• M16: 6,062,304 km (0.106 R)
• M17: 6,577,370 km (0.084 R)
• M18: 7,033,344 km (0.065 R)
• M19: 7,389,088 km (0.114 R)
• M20: 8,662,614 km (0.087 R)
• M21: 9,106,322 km (0.096 R)
• M22: 11,034,788 km (0.04 R)
• M23: 12,263,285 km (0.035 R)
• M24: 12,779,398 km (0.099 R)
• M25: 16,185,442 km (0.06 R)
• M26: 16,911,590 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.4

Radius: 14.1

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.34 AU - 4.8 AU

Year: 5569 Days

Day: 13.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,519,455 km

• M1: 175,329 km (0.103 R)
• M2: 622,926 km (0.066 R)
• M3: 1,239,568 km (0.107 R)
• M4: 2,473,451 km (0.089 R)
• M5: 3,713,767 km (0.095 R)
• M6: 4,558,846 km (0.116 R)
• M7: 6,632,122 km (0.074 R)
• M8: 7,595,832 km (0.057 R)
• M9: 8,093,544 km (0.114 R)
• M10: 8,650,946 km (0.101 R)
• M11: 10,010,042 km (0.094 R)
• M12: 12,406,301 km (0.113 R)
• M13: 17,867,970 km (0.078 R)
• M14: 19,796,585 km (0.085 R)
• M15: 28,482,387 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391

Radius: 12.6

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.52 AU - 4.92 AU

Year: 5880 Days

Day: 11.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,519,455 km

• M1: 156,779 km (0.1 R)
• M2: 579,991 km (0.11 R)
• M3: 1,118,094 km (0.099 R)
• M4: 1,752,689 km (0.1 R)
• M5: 3,816,092 km (0.118 R)
• M6: 4,264,587 km (0.119 R)
• M7: 6,362,846 km (0.086 R)
• M8: 7,777,444 km (0.103 R)
• M9: 9,880,191 km (0.101 R)
• M10: 10,600,804 km (0.109 R)
• M11: 11,085,352 km (0.102 R)
• M12: 11,863,560 km (0.063 R)
• M13: 12,924,209 km (0.062 R)
• M14: 13,580,196 km (0.059 R)
• M15: 13,994,731 km (0.097 R)
• M16: 15,401,101 km (0.119 R)
• M17: 17,018,553 km (0.094 R)
• M18: 19,326,250 km (0.098 R)
• M19: 19,785,366 km (0.077 R)
• M20: 25,640,028 km (0.05 R)
• M21: 26,676,143 km (0.092 R)
• M22: 27,163,832 km (0.067 R)
• M23: 27,823,110 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.6

Radius: 10.4

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.39 AU - 4.77 AU

Year: 6648 Days

Day: 5.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,519,455 km

• M1: 177,872 km (0.07 R)
• M2: 644,767 km (0.116 R)
• M3: 1,650,663 km (0.115 R)
• M4: 4,053,354 km (0.098 R)
• M5: 4,459,064 km (0.081 R)
• M6: 5,147,214 km (0.084 R)
• M7: 5,623,833 km (0.103 R)
• M8: 6,097,310 km (0.111 R)
• M9: 7,986,731 km (0.09 R)
• M10: 8,504,190 km (0.068 R)
• M11: 10,896,858 km (0.065 R)
• M12: 11,286,112 km (0.093 R)
• M13: 14,801,064 km (0.083 R)
• M14: 15,158,303 km (0.052 R)
• M15: 16,838,288 km (0.051 R)
• M16: 17,623,377 km (0.043 R)
• M17: 19,055,926 km (0.12 R)
• M18: 21,689,896 km (0.073 R)
• M19: 24,724,040 km (0.049 R)
• M20: 27,758,932 km (0.085 R)
• M21: 29,600,332 km (0.105 R)
• M22: 31,131,018 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.2

Radius: 4

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.13 AU - 7.38 AU

Year: 10598 Days

Day: 15.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,519,455 km

• M1: 49,816 km (0.089 R)
• M2: 206,595 km (0.103 R)
• M3: 500,704 km (0.108 R)
• M4: 639,830 km (0.072 R)
• M5: 1,060,499 km (0.113 R)
• M6: 2,308,744 km (0.053 R)
• M7: 3,097,723 km (0.117 R)
• M8: 3,390,037 km (0.088 R)
• M9: 3,574,043 km (0.032 R)
• M10: 3,895,529 km (0.097 R)
• M11: 4,645,612 km (0.101 R)
• M12: 5,543,050 km (0.099 R)
• M13: 8,317,642 km (0.062 R)
• M14: 8,690,589 km (0.075 R)
• M15: 9,350,017 km (0.108 R)
• M16: 11,757,944 km (0.113 R)
• M17: 13,203,807 km (0.101 R)
• M18: 24,890,243 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 651

Radius: 5.7

Gravity: 20.04 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.34 AU - 9.7 AU

Year: 16867 Days

Day: 21.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 83,519,455 km

• M1: 70,909 km (0.092 R)
• M2: 324,179 km (0.081 R)
• M3: 596,596 km (0.095 R)
• M4: 781,200 km (0.116 R)
• M5: 1,004,550 km (0.033 R)
• M6: 1,190,051 km (0.108 R)
• M7: 1,853,966 km (0.099 R)
• M8: 3,937,266 km (0.119 R)
• M9: 5,227,847 km (0.113 R)
• M10: 5,870,220 km (0.113 R)
• M11: 6,109,128 km (0.067 R)
• M12: 10,285,751 km (0.081 R)
• M13: 12,555,001 km (0.115 R)
• M14: 13,221,310 km (0.088 R)
• M15: 13,840,795 km (0.061 R)
• M16: 14,051,578 km (0.077 R)
• M17: 14,624,089 km (0.075 R)
• M18: 15,212,009 km (0.116 R)
• M19: 16,278,642 km (0.058 R)
• M20: 17,804,690 km (0.063 R)
• M21: 19,161,692 km (0.102 R)
• M22: 20,953,276 km (0.113 R)
• M23: 21,984,604 km (0.101 R)
• M24: 22,464,514 km (0.093 R)
• M25: 28,665,495 km (0.117 R)
• M26: 29,818,296 km (0.117 R)
• M27: 34,610,365 km (0.113 R)
• M28: 36,448,624 km (0.082 R)
• M29: 40,175,705 km (0.041 R)
• M30: 41,037,089 km (0.082 R)
• M31: 43,544,649 km (0.103 R)
• M32: 46,780,750 km (0.079 R)
• M33: 52,866,092 km (0.118 R)
• M34: 53,381,457 km (0.079 R)
• M35: 54,073,796 km (0.064 R)
• M36: 55,653,400 km (0.115 R)
• M37: 57,444,386 km (0.097 R)
• M38: 64,404,875 km (0.093 R)
• M39: 64,796,373 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 904.4

Radius: 6.4

Gravity: 22.08 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.77 AU - 11.33 AU

Year: 20017 Days

Day: 20 Hours

Environment

Temp: -242 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 83,519,455 km

• M1: 79,885 km (0.062 R)
• M2: 294,109 km (0.093 R)
• M3: 519,105 km (0.108 R)
• M4: 1,563,148 km (0.096 R)
• M5: 2,377,858 km (0.093 R)
• M6: 2,997,193 km (0.098 R)
• M7: 4,271,917 km (0.08 R)
• M8: 4,550,468 km (0.12 R)
• M9: 5,914,950 km (0.114 R)
• M10: 6,439,740 km (0.114 R)
• M11: 7,235,899 km (0.096 R)
• M12: 8,798,000 km (0.11 R)
• M13: 9,365,126 km (0.098 R)
• M14: 9,657,739 km (0.092 R)
• M15: 10,384,935 km (0.103 R)
• M16: 21,952,889 km (0.098 R)
• M17: 25,287,725 km (0.091 R)
• M18: 29,692,036 km (0.108 R)
• M19: 30,579,002 km (0.117 R)
• M20: 34,442,666 km (0.067 R)
• M21: 35,989,508 km (0.034 R)
• M22: 37,729,181 km (0.114 R)
• M23: 39,220,971 km (0.12 R)
• M24: 48,308,593 km (0.08 R)
• M25: 53,337,326 km (0.076 R)
• M26: 54,646,905 km (0.054 R)
• M27: 55,786,392 km (0.12 R)
• M28: 56,361,895 km (0.068 R)
• M29: 57,330,093 km (0.083 R)
• M30: 65,265,362 km (0.102 R)
• M31: 65,904,444 km (0.099 R)
• M32: 69,162,387 km (0.11 R)
• M33: 77,893,517 km (0.111 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 14,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit