🌌 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 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.3

Radius: 13.6

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.55 AU - 0.59 AU

Year: 297 Days

Day: 13.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,181,461 km

• M1: 169,195 km (0.092 R)
• M2: 803,191 km (0.074 R)
• M3: 1,255,276 km (0.103 R)
• M4: 1,713,195 km (0.042 R)
• M5: 2,220,332 km (0.116 R)
• M6: 3,202,890 km (0.104 R)
• M7: 4,166,002 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.3

Radius: 10.1

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.88 AU - 1.02 AU

Year: 639 Days

Day: 7.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,181,461 km

• M1: 125,662 km (0.092 R)
• M2: 471,084 km (0.084 R)
• M3: 804,837 km (0.106 R)
• M4: 1,500,317 km (0.094 R)
• M5: 2,023,610 km (0.109 R)
• M6: 2,640,103 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.7

Radius: 12.8

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.27 AU - 1.39 AU

Year: 1059 Days

Day: 11.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,181,461 km

• M1: 176,525 km (0.09 R)
• M2: 612,304 km (0.117 R)
• M3: 1,134,999 km (0.101 R)
• M4: 1,600,099 km (0.115 R)
• M5: 2,213,300 km (0.101 R)
• M6: 3,991,122 km (0.116 R)
• M7: 4,710,837 km (0.115 R)
• M8: 5,237,571 km (0.106 R)
• M9: 5,648,666 km (0.102 R)
• M10: 6,244,066 km (0.044 R)
• M11: 7,306,659 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.1

Radius: 14.4

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.66 AU - 2.04 AU

Year: 1737 Days

Day: 8.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,181,461 km

• M1: 179,069 km (0.103 R)
• M2: 646,412 km (0.103 R)
• M3: 1,377,198 km (0.053 R)
• M4: 2,231,252 km (0.091 R)
• M5: 3,250,762 km (0.106 R)
• M6: 3,850,948 km (0.11 R)
• M7: 4,831,114 km (0.061 R)
• M8: 5,926,619 km (0.029 R)
• M9: 6,927,728 km (0.086 R)
• M10: 8,405,605 km (0.042 R)
• M11: 9,923,575 km (0.099 R)
• M12: 11,055,881 km (0.052 R)
• M13: 11,617,771 km (0.081 R)
• M14: 13,067,673 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770

Radius: 10.2

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.84 AU - 5.14 AU

Year: 6567 Days

Day: 6.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,181,461 km

• M1: 126,859 km (0.1 R)
• M2: 510,278 km (0.069 R)
• M3: 1,004,699 km (0.068 R)
• M4: 1,654,552 km (0.118 R)
• M5: 2,789,701 km (0.106 R)
• M6: 5,163,819 km (0.063 R)
• M7: 5,557,262 km (0.062 R)
• M8: 6,003,363 km (0.073 R)
• M9: 6,717,393 km (0.09 R)
• M10: 7,373,529 km (0.101 R)
• M11: 8,031,910 km (0.101 R)
• M12: 11,413,869 km (0.095 R)
• M13: 16,665,801 km (0.049 R)
• M14: 17,259,555 km (0.098 R)
• M15: 20,894,335 km (0.116 R)
• M16: 28,593,688 km (0.078 R)
• M17: 29,636,236 km (0.088 R)
• M18: 34,377,591 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.9

Radius: 13.7

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.64 AU - 6 AU

Year: 8470 Days

Day: 11.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,181,461 km

• M1: 170,542 km (0.081 R)
• M2: 597,045 km (0.084 R)
• M3: 1,075,908 km (0.099 R)
• M4: 1,579,903 km (0.058 R)
• M5: 2,386,834 km (0.101 R)
• M6: 2,820,967 km (0.115 R)
• M7: 3,605,458 km (0.065 R)
• M8: 6,518,727 km (0.037 R)
• M9: 7,200,894 km (0.107 R)
• M10: 8,196,767 km (0.061 R)
• M11: 8,708,092 km (0.086 R)
• M12: 9,579,200 km (0.044 R)
• M13: 10,014,081 km (0.093 R)
• M14: 11,495,250 km (0.087 R)
• M15: 16,318,136 km (0.099 R)
• M16: 18,765,407 km (0.082 R)
• M17: 20,646,750 km (0.091 R)
• M18: 22,650,913 km (0.102 R)
• M19: 27,476,641 km (0.113 R)
• M20: 29,805,730 km (0.113 R)
• M21: 30,548,184 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.3

Radius: 6.4

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.83 AU - 6.57 AU

Year: 9393 Days

Day: 17.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,181,461 km

• M1: 79,885 km (0.094 R)
• M2: 444,605 km (0.077 R)
• M3: 1,249,292 km (0.111 R)
• M4: 2,556,029 km (0.1 R)
• M5: 3,036,986 km (0.103 R)
• M6: 4,368,557 km (0.101 R)
• M7: 4,792,966 km (0.104 R)
• M8: 5,299,505 km (0.084 R)
• M9: 5,695,041 km (0.073 R)
• M10: 9,934,047 km (0.096 R)
• M11: 10,579,262 km (0.082 R)
• M12: 11,252,153 km (0.098 R)
• M13: 11,953,169 km (0.087 R)
• M14: 15,958,502 km (0.103 R)
• M15: 20,914,680 km (0.084 R)
• M16: 23,738,938 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361

Radius: 3

Gravity: 40.11 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.91 AU - 7.03 AU

Year: 10069 Days

Day: 22.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 49,181,461 km

• M1: 38,297 km (0.118 R)
• M2: 308,022 km (0.071 R)
• M3: 418,126 km (0.107 R)
• M4: 651,798 km (0.095 R)
• M5: 1,118,244 km (0.077 R)
• M6: 1,472,193 km (0.054 R)
• M7: 1,775,727 km (0.08 R)
• M8: 1,895,854 km (0.075 R)
• M9: 2,102,897 km (0.099 R)
• M10: 2,272,092 km (0.091 R)
• M11: 2,895,616 km (0.11 R)
• M12: 3,213,811 km (0.11 R)
• M13: 4,045,874 km (0.074 R)
• M14: 4,497,810 km (0.096 R)
• M15: 4,953,036 km (0.078 R)
• M16: 6,054,525 km (0.097 R)
• M17: 9,846,233 km (0.112 R)
• M18: 10,033,679 km (0.075 R)
• M19: 10,610,229 km (0.115 R)
• M20: 10,956,548 km (0.079 R)
• M21: 12,309,212 km (0.079 R)
• M22: 13,537,411 km (0.087 R)
• M23: 15,529,157 km (0.119 R)
• M24: 16,627,654 km (0.08 R)
• M25: 17,094,698 km (0.082 R)
• M26: 17,365,470 km (0.098 R)
• M27: 19,783,271 km (0.119 R)
• M28: 21,540,298 km (0.11 R)
• M29: 22,095,157 km (0.064 R)
• M30: 23,068,141 km (0.079 R)
• M31: 25,890,455 km (0.099 R)
• M32: 27,615,468 km (0.07 R)
• M33: 27,988,116 km (0.117 R)
• M34: 28,364,205 km (0.116 R)
• M35: 34,523,149 km (0.105 R)
• M36: 37,512,264 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.1

Radius: 3.5

Gravity: 66.29 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.05 AU - 6.07 AU

Year: 10297 Days

Day: 20.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 49,181,461 km

• M1: 95,144 km (0.03 R)
• M2: 267,331 km (0.092 R)
• M3: 475,871 km (0.094 R)
• M4: 813,064 km (0.1 R)
• M5: 1,005,447 km (0.063 R)
• M6: 1,240,017 km (0.091 R)
• M7: 1,453,044 km (0.038 R)
• M8: 1,737,280 km (0.066 R)
• M9: 2,129,376 km (0.105 R)
• M10: 4,039,442 km (0.073 R)
• M11: 4,476,567 km (0.11 R)
• M12: 5,795,571 km (0.084 R)
• M13: 6,350,729 km (0.091 R)
• M14: 6,819,569 km (0.092 R)
• M15: 6,940,444 km (0.088 R)
• M16: 7,062,515 km (0.119 R)
• M17: 8,182,555 km (0.061 R)
• M18: 8,318,838 km (0.083 R)
• M19: 8,784,537 km (0.105 R)
• M20: 9,921,181 km (0.054 R)
• M21: 12,362,170 km (0.091 R)
• M22: 12,845,221 km (0.094 R)
• M23: 14,502,018 km (0.113 R)
• M24: 14,836,070 km (0.068 R)
• M25: 16,367,653 km (0.101 R)
• M26: 16,656,975 km (0.11 R)
• M27: 19,659,255 km (0.069 R)
• M28: 20,567,014 km (0.1 R)
• M29: 22,200,025 km (0.082 R)
• M30: 23,548,799 km (0.097 R)
• M31: 27,818,921 km (0.082 R)
• M32: 31,451,307 km (0.115 R)
• M33: 33,496,609 km (0.101 R)
• M34: 34,789,134 km (0.068 R)
• M35: 41,887,703 km (0.104 R)
• M36: 42,428,798 km (0.067 R)
• M37: 47,509,890 km (0.042 R)
• M38: 47,950,755 km (0.072 R)
• M39: 51,576,409 km (0.08 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351

Radius: 6.5

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 6.03 AU - 9.21 AU

Year: 14519 Days

Day: 17.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 49,181,461 km

• M1: 93,648 km (0.117 R)
• M2: 322,084 km (0.054 R)
• M3: 555,307 km (0.076 R)
• M4: 943,813 km (0.101 R)
• M5: 1,170,304 km (0.102 R)
• M6: 1,406,519 km (0.084 R)
• M7: 2,027,799 km (0.08 R)
• M8: 3,692,674 km (0.086 R)
• M9: 4,291,963 km (0.089 R)
• M10: 4,736,568 km (0.076 R)
• M11: 6,000,071 km (0.11 R)
• M12: 7,515,647 km (0.092 R)
• M13: 10,793,038 km (0.113 R)
• M14: 13,627,468 km (0.076 R)
• M15: 14,848,486 km (0.091 R)
• M16: 15,587,799 km (0.072 R)
• M17: 16,001,287 km (0.082 R)
• M18: 21,044,680 km (0.079 R)
• M19: 22,759,970 km (0.091 R)
• M20: 23,381,698 km (0.098 R)
• M21: 25,409,348 km (0.106 R)
• M22: 26,465,958 km (0.115 R)
• M23: 28,666,393 km (0.046 R)
• M24: 36,114,422 km (0.066 R)
• M25: 37,203,794 km (0.085 R)
• M26: 37,818,342 km (0.068 R)
• M27: 39,958,638 km (0.027 R)
• M28: 41,780,890 km (0.085 R)
• M29: 42,981,114 km (0.062 R)
• M30: 45,870,896 km (0.115 R)
• M31: 47,867,579 km (0.086 R)
• M32: 49,181,497 km (0.105 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: 427 - 10,436 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit