🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.2

Radius: 10

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.51 AU - 0.61 AU

Year: 279 Days

Day: 12.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 56,438,001 km

• M1: 124,316 km (0.043 R)
• M2: 514,168 km (0.094 R)
• M3: 830,268 km (0.066 R)
• M4: 1,183,020 km (0.084 R)
• M5: 2,326,696 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.8

Radius: 13.5

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.35 AU - 1.37 AU

Year: 1058 Days

Day: 10.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,438,001 km

• M1: 171,290 km (0.072 R)
• M2: 792,719 km (0.093 R)
• M3: 1,651,710 km (0.093 R)
• M4: 2,463,428 km (0.092 R)
• M5: 3,221,740 km (0.038 R)
• M6: 3,695,367 km (0.113 R)
• M7: 5,010,930 km (0.075 R)
• M8: 7,465,383 km (0.114 R)
• M9: 10,006,302 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.9

Radius: 9.5

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.19 AU - 2.65 AU

Year: 2510 Days

Day: 6.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,438,001 km

• M1: 119,379 km (0.114 R)
• M2: 446,699 km (0.032 R)
• M3: 949,498 km (0.049 R)
• M4: 1,488,499 km (0.117 R)
• M5: 2,114,566 km (0.04 R)
• M6: 2,445,177 km (0.099 R)
• M7: 3,159,806 km (0.104 R)
• M8: 4,881,678 km (0.046 R)
• M9: 5,339,148 km (0.082 R)
• M10: 5,642,682 km (0.116 R)
• M11: 7,778,042 km (0.086 R)
• M12: 9,494,977 km (0.093 R)
• M13: 19,202,083 km (0.113 R)
• M14: 19,557,678 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.8

Radius: 11.3

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.21 AU - 3.55 AU

Year: 3259 Days

Day: 5.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,438,001 km

• M1: 140,472 km (0.107 R)
• M2: 614,099 km (0.082 R)
• M3: 1,300,903 km (0.043 R)
• M4: 2,026,752 km (0.101 R)
• M5: 2,868,390 km (0.047 R)
• M6: 3,426,838 km (0.054 R)
• M7: 4,526,084 km (0.076 R)
• M8: 5,006,742 km (0.065 R)
• M9: 5,547,987 km (0.102 R)
• M10: 6,042,557 km (0.105 R)
• M11: 7,120,410 km (0.066 R)
• M12: 8,897,932 km (0.094 R)
• M13: 9,499,914 km (0.065 R)
• M14: 10,371,770 km (0.077 R)
• M15: 10,869,482 km (0.12 R)
• M16: 12,412,584 km (0.101 R)
• M17: 13,116,891 km (0.117 R)
• M18: 14,502,466 km (0.12 R)
• M19: 15,550,399 km (0.074 R)
• M20: 17,101,430 km (0.087 R)
• M21: 17,796,761 km (0.103 R)
• M22: 21,029,721 km (0.032 R)
• M23: 22,098,448 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.1

Radius: 12.6

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.7 AU - 3.38 AU

Year: 3535 Days

Day: 6.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,438,001 km

• M1: 156,779 km (0.057 R)
• M2: 677,678 km (0.115 R)
• M3: 1,110,615 km (0.095 R)
• M4: 1,933,253 km (0.112 R)
• M5: 2,465,822 km (0.064 R)
• M6: 3,322,270 km (0.083 R)
• M7: 3,949,833 km (0.109 R)
• M8: 4,389,501 km (0.118 R)
• M9: 4,908,755 km (0.091 R)
• M10: 6,207,713 km (0.083 R)
• M11: 6,746,266 km (0.038 R)
• M12: 7,162,896 km (0.07 R)
• M13: 7,565,314 km (0.102 R)
• M14: 8,759,105 km (0.114 R)
• M15: 9,292,272 km (0.065 R)
• M16: 12,868,110 km (0.043 R)
• M17: 14,175,745 km (0.076 R)
• M18: 16,513,361 km (0.077 R)
• M19: 18,687,916 km (0.087 R)
• M20: 19,633,075 km (0.062 R)
• M21: 20,609,650 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.7

Radius: 13.5

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.78 AU - 4.92 AU

Year: 6050 Days

Day: 12.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,438,001 km

• M1: 167,849 km (0.047 R)
• M2: 739,313 km (0.106 R)
• M3: 1,322,445 km (0.102 R)
• M4: 2,175,901 km (0.072 R)
• M5: 2,832,785 km (0.112 R)
• M6: 3,415,469 km (0.079 R)
• M7: 4,493,022 km (0.031 R)
• M8: 5,229,792 km (0.114 R)
• M9: 5,785,997 km (0.086 R)
• M10: 8,668,000 km (0.06 R)
• M11: 9,494,229 km (0.102 R)
• M12: 11,203,385 km (0.071 R)
• M13: 13,390,356 km (0.06 R)
• M14: 15,161,595 km (0.099 R)
• M15: 15,596,476 km (0.066 R)
• M16: 18,035,370 km (0.059 R)
• M17: 20,266,323 km (0.095 R)
• M18: 22,837,461 km (0.048 R)
• M19: 25,444,354 km (0.06 R)
• M20: 26,148,062 km (0.056 R)
• M21: 26,594,462 km (0.027 R)
• M22: 28,150,430 km (0.097 R)
• M23: 28,998,201 km (0.086 R)
• M24: 31,947,972 km (0.098 R)
• M25: 33,286,274 km (0.091 R)
• M26: 36,295,286 km (0.114 R)
• M27: 37,525,579 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.1

Radius: 8.2

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.24 AU - 6.84 AU

Year: 8695 Days

Day: 8.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,438,001 km

• M1: 102,026 km (0.114 R)
• M2: 598,840 km (0.077 R)
• M3: 908,957 km (0.08 R)
• M4: 1,198,728 km (0.112 R)
• M5: 1,883,587 km (0.118 R)
• M6: 2,604,948 km (0.114 R)
• M7: 3,838,233 km (0.12 R)
• M8: 4,249,477 km (0.07 R)
• M9: 5,046,834 km (0.095 R)
• M10: 5,815,318 km (0.112 R)
• M11: 6,625,839 km (0.115 R)
• M12: 8,231,922 km (0.084 R)
• M13: 8,590,059 km (0.036 R)
• M14: 9,639,339 km (0.115 R)
• M15: 10,818,918 km (0.079 R)
• M16: 12,976,568 km (0.034 R)
• M17: 15,405,888 km (0.116 R)
• M18: 15,828,203 km (0.076 R)
• M19: 16,759,150 km (0.076 R)
• M20: 19,489,461 km (0.106 R)
• M21: 20,631,042 km (0.062 R)
• M22: 21,441,264 km (0.114 R)
• M23: 23,758,835 km (0.103 R)
• M24: 24,978,057 km (0.056 R)
• M25: 25,645,114 km (0.1 R)
• M26: 31,127,427 km (0.1 R)
• M27: 32,883,108 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 994.2

Radius: 7.1

Gravity: 19.72 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.49 AU - 7.33 AU

Year: 9581 Days

Day: 17.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 56,438,001 km

• M1: 89,160 km (0.059 R)
• M2: 351,555 km (0.099 R)
• M3: 590,014 km (0.058 R)
• M4: 1,057,208 km (0.108 R)
• M5: 1,453,942 km (0.065 R)
• M6: 1,718,431 km (0.102 R)
• M7: 2,365,292 km (0.107 R)
• M8: 2,755,443 km (0.113 R)
• M9: 3,407,989 km (0.043 R)
• M10: 4,274,759 km (0.105 R)
• M11: 5,485,604 km (0.069 R)
• M12: 5,875,157 km (0.114 R)
• M13: 7,406,890 km (0.109 R)
• M14: 8,753,570 km (0.096 R)
• M15: 9,335,356 km (0.083 R)
• M16: 10,902,543 km (0.115 R)
• M17: 12,157,969 km (0.098 R)
• M18: 14,217,632 km (0.104 R)
• M19: 16,067,260 km (0.047 R)
• M20: 16,717,861 km (0.059 R)
• M21: 18,538,767 km (0.085 R)
• M22: 18,775,281 km (0.12 R)
• M23: 19,988,370 km (0.109 R)
• M24: 20,404,102 km (0.084 R)
• M25: 22,124,927 km (0.061 R)
• M26: 29,762,646 km (0.089 R)
• M27: 37,964,349 km (0.057 R)
• M28: 43,128,617 km (0.117 R)
• M29: 46,383,568 km (0.113 R)
• M30: 46,819,945 km (0.094 R)
• M31: 48,443,082 km (0.085 R)
• M32: 51,334,509 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51.4

Radius: 3.5

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.65 AU - 6.65 AU

Year: 11436 Days

Day: 24.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,438,001 km

• M1: 44,879 km (0.062 R)
• M2: 239,207 km (0.108 R)
• M3: 739,761 km (0.117 R)
• M4: 965,505 km (0.087 R)
• M5: 1,188,555 km (0.11 R)
• M6: 3,236,400 km (0.11 R)
• M7: 3,795,298 km (0.105 R)
• M8: 3,939,361 km (0.094 R)
• M9: 5,800,807 km (0.097 R)
• M10: 6,591,133 km (0.064 R)
• M11: 8,556,998 km (0.038 R)
• M12: 9,315,160 km (0.058 R)
• M13: 10,474,394 km (0.055 R)
• M14: 11,383,351 km (0.115 R)
• M15: 13,075,003 km (0.037 R)
• M16: 13,980,669 km (0.119 R)
• M17: 16,236,605 km (0.083 R)
• M18: 19,565,457 km (0.111 R)
• M19: 20,181,950 km (0.075 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.8

Radius: 7.7

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 8.82 AU - 10.74 AU

Year: 20396 Days

Day: 20.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,438,001 km

• M1: 98,136 km (0.059 R)
• M2: 367,712 km (0.097 R)
• M3: 1,097,450 km (0.111 R)
• M4: 1,601,894 km (0.079 R)
• M5: 1,873,564 km (0.099 R)
• M6: 2,310,240 km (0.091 R)
• M7: 2,813,038 km (0.12 R)
• M8: 3,674,722 km (0.12 R)
• M9: 5,060,746 km (0.112 R)
• M10: 5,908,069 km (0.116 R)
• M11: 8,063,774 km (0.111 R)
• M12: 12,510,720 km (0.11 R)
• M13: 15,640,308 km (0.073 R)
• M14: 19,091,680 km (0.107 R)
• M15: 24,828,609 km (0.045 R)
• M16: 25,717,819 km (0.119 R)
• M17: 27,246,559 km (0.049 R)
• M18: 29,377,880 km (0.088 R)
• M19: 29,927,503 km (0.119 R)
• M20: 37,970,184 km (0.033 R)
• M21: 40,488,514 km (0.091 R)
• M22: 47,794,575 km (0.072 R)
• M23: 51,358,894 km (0.09 R)
• M24: 53,124,597 km (0.107 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 14,756 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit