🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437

Radius: 9

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.85 AU - 1.09 AU

Year: 617 Days

Day: 8 Hours

Environment

Temp: -155 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,520,100 km

• M1: 116,986 km (0.074 R)
• M2: 445,802 km (0.096 R)
• M3: 903,122 km (0.058 R)
• M4: 1,327,980 km (0.112 R)
• M5: 1,635,105 km (0.115 R)
• M6: 1,981,873 km (0.119 R)
• M7: 2,264,613 km (0.083 R)
• M8: 3,316,585 km (0.062 R)
• M9: 3,731,270 km (0.069 R)
• M10: 5,996,930 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.8

Radius: 8.2

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.97 AU - 1.27 AU

Year: 765 Days

Day: 7.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,520,100 km

• M1: 102,026 km (0.081 R)
• M2: 403,465 km (0.055 R)
• M3: 691,890 km (0.12 R)
• M4: 1,044,492 km (0.109 R)
• M5: 1,353,711 km (0.05 R)
• M6: 1,617,303 km (0.094 R)
• M7: 2,054,577 km (0.082 R)
• M8: 2,332,680 km (0.11 R)
• M9: 2,965,628 km (0.053 R)
• M10: 3,389,289 km (0.073 R)
• M11: 4,138,625 km (0.072 R)
• M12: 4,769,928 km (0.111 R)
• M13: 5,029,181 km (0.03 R)
• M14: 5,445,063 km (0.098 R)
• M15: 6,182,431 km (0.107 R)
• M16: 6,659,948 km (0.119 R)
• M17: 7,572,345 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710

Radius: 11

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.16 AU - 1.46 AU

Year: 968 Days

Day: 6.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 158.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,520,100 km

• M1: 139,276 km (0.117 R)
• M2: 496,216 km (0.11 R)
• M3: 1,144,873 km (0.075 R)
• M4: 1,664,725 km (0.103 R)
• M5: 2,035,129 km (0.072 R)
• M6: 2,576,823 km (0.06 R)
• M7: 3,144,547 km (0.108 R)
• M8: 4,078,487 km (0.046 R)
• M9: 4,479,559 km (0.09 R)
• M10: 5,322,692 km (0.095 R)
• M11: 5,906,573 km (0.062 R)
• M12: 6,873,723 km (0.061 R)
• M13: 7,226,475 km (0.089 R)
• M14: 8,358,482 km (0.113 R)
• M15: 9,605,081 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.5

Radius: 9.8

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.9 AU - 2.34 AU

Year: 1993 Days

Day: 14.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,520,100 km

• M1: 122,072 km (0.068 R)
• M2: 596,447 km (0.108 R)
• M3: 1,165,966 km (0.118 R)
• M4: 2,492,301 km (0.116 R)
• M5: 3,492,661 km (0.114 R)
• M6: 3,918,118 km (0.108 R)
• M7: 4,806,879 km (0.114 R)
• M8: 5,774,179 km (0.061 R)
• M9: 6,809,994 km (0.08 R)
• M10: 8,377,930 km (0.099 R)
• M11: 10,247,305 km (0.097 R)
• M12: 12,718,961 km (0.083 R)
• M13: 13,283,543 km (0.078 R)
• M14: 14,886,933 km (0.105 R)
• M15: 16,108,549 km (0.111 R)
• M16: 18,364,335 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.9

Radius: 8.2

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.77 AU - 3.05 AU

Year: 3205 Days

Day: 12.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 26,520,100 km

• M1: 102,026 km (0.11 R)
• M2: 363,373 km (0.112 R)
• M3: 750,981 km (0.104 R)
• M4: 1,197,830 km (0.087 R)
• M5: 1,463,217 km (0.08 R)
• M6: 2,002,966 km (0.053 R)
• M7: 3,230,566 km (0.066 R)
• M8: 3,621,914 km (0.037 R)
• M9: 4,351,503 km (0.079 R)
• M10: 4,829,767 km (0.106 R)
• M11: 5,128,514 km (0.076 R)
• M12: 5,439,528 km (0.049 R)
• M13: 5,916,895 km (0.094 R)
• M14: 7,640,113 km (0.09 R)
• M15: 8,142,612 km (0.054 R)
• M16: 9,495,126 km (0.108 R)
• M17: 9,855,358 km (0.062 R)
• M18: 10,412,909 km (0.072 R)
• M19: 11,070,093 km (0.12 R)
• M20: 11,469,370 km (0.099 R)
• M21: 11,836,932 km (0.064 R)
• M22: 13,657,089 km (0.084 R)
• M23: 14,116,504 km (0.112 R)
• M24: 14,824,999 km (0.103 R)
• M25: 15,261,376 km (0.034 R)
• M26: 17,358,290 km (0.092 R)
• M27: 18,006,647 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.2

Radius: 13.4

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.65 AU - 3.77 AU

Year: 3713 Days

Day: 6 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,520,100 km

• M1: 166,652 km (0.117 R)
• M2: 818,600 km (0.067 R)
• M3: 1,348,924 km (0.109 R)
• M4: 2,405,384 km (0.061 R)
• M5: 2,975,202 km (0.067 R)
• M6: 4,249,028 km (0.093 R)
• M7: 4,830,216 km (0.112 R)
• M8: 5,354,706 km (0.079 R)
• M9: 6,303,755 km (0.101 R)
• M10: 8,386,606 km (0.078 R)
• M11: 9,829,627 km (0.097 R)
• M12: 10,632,070 km (0.029 R)
• M13: 12,561,135 km (0.064 R)
• M14: 13,003,197 km (0.049 R)
• M15: 15,539,030 km (0.071 R)
• M16: 18,704,222 km (0.105 R)
• M17: 23,071,283 km (0.11 R)
• M18: 23,661,147 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.4

Radius: 13

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.79 AU - 5.41 AU

Year: 6370 Days

Day: 14.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 26,520,100 km

• M1: 167,400 km (0.027 R)
• M2: 941,569 km (0.119 R)
• M3: 1,371,214 km (0.082 R)
• M4: 1,805,198 km (0.116 R)
• M5: 2,265,061 km (0.034 R)
• M6: 2,941,244 km (0.1 R)
• M7: 3,382,707 km (0.064 R)
• M8: 4,507,982 km (0.115 R)
• M9: 5,428,308 km (0.12 R)
• M10: 6,265,159 km (0.066 R)
• M11: 7,112,332 km (0.057 R)
• M12: 9,976,981 km (0.097 R)
• M13: 10,447,915 km (0.097 R)
• M14: 12,321,629 km (0.086 R)
• M15: 14,890,972 km (0.072 R)
• M16: 18,422,978 km (0.104 R)
• M17: 20,233,411 km (0.118 R)
• M18: 26,463,564 km (0.108 R)
• M19: 27,368,332 km (0.114 R)
• M20: 28,764,080 km (0.085 R)
• M21: 29,623,969 km (0.081 R)
• M22: 30,500,911 km (0.114 R)
• M23: 31,294,977 km (0.106 R)
• M24: 31,798,224 km (0.094 R)
• M25: 33,759,901 km (0.086 R)
• M26: 36,573,388 km (0.041 R)
• M27: 38,495,272 km (0.065 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.4

Radius: 10.7

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.18 AU - 5.26 AU

Year: 7701 Days

Day: 5.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 26,520,100 km

• M1: 133,142 km (0.108 R)
• M2: 590,164 km (0.076 R)
• M3: 1,004,550 km (0.11 R)
• M4: 2,387,432 km (0.069 R)
• M5: 2,858,217 km (0.025 R)
• M6: 3,213,362 km (0.068 R)
• M7: 3,621,465 km (0.1 R)
• M8: 4,089,856 km (0.108 R)
• M9: 4,433,333 km (0.08 R)
• M10: 4,999,710 km (0.045 R)
• M11: 5,487,100 km (0.077 R)
• M12: 6,208,760 km (0.098 R)
• M13: 6,592,778 km (0.072 R)
• M14: 7,217,499 km (0.029 R)
• M15: 9,195,931 km (0.1 R)
• M16: 10,701,035 km (0.113 R)
• M17: 13,837,055 km (0.102 R)
• M18: 14,494,238 km (0.117 R)
• M19: 15,297,729 km (0.06 R)
• M20: 17,608,268 km (0.066 R)
• M21: 20,370,443 km (0.112 R)
• M22: 28,803,125 km (0.119 R)
• M23: 32,931,278 km (0.028 R)
• M24: 33,460,257 km (0.074 R)
• M25: 34,862,288 km (0.118 R)
• M26: 35,967,068 km (0.079 R)
• M27: 38,948,554 km (0.077 R)
• M28: 39,302,801 km (0.072 R)
• M29: 40,258,133 km (0.107 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.8

Radius: 9.8

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.57 AU - 5.75 AU

Year: 8694 Days

Day: 13.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 138.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 26,520,100 km

• M1: 125,812 km (0.077 R)
• M2: 441,763 km (0.078 R)
• M3: 1,007,242 km (0.101 R)
• M4: 2,044,405 km (0.041 R)
• M5: 2,859,115 km (0.113 R)
• M6: 3,537,092 km (0.081 R)
• M7: 3,952,376 km (0.118 R)
• M8: 4,264,886 km (0.118 R)
• M9: 4,851,908 km (0.084 R)
• M10: 6,682,686 km (0.067 R)
• M11: 7,632,932 km (0.099 R)
• M12: 9,156,437 km (0.095 R)
• M13: 9,942,274 km (0.084 R)
• M14: 10,923,637 km (0.1 R)
• M15: 12,570,559 km (0.065 R)
• M16: 16,085,810 km (0.084 R)
• M17: 16,955,123 km (0.086 R)
• M18: 18,281,608 km (0.057 R)
• M19: 19,228,263 km (0.105 R)
• M20: 27,631,924 km (0.11 R)
• M21: 28,394,274 km (0.106 R)
• M22: 28,780,686 km (0.11 R)
• M23: 29,662,864 km (0.118 R)
• M24: 30,867,127 km (0.043 R)
• M25: 32,946,089 km (0.052 R)
• M26: 35,339,056 km (0.059 R)
• M27: 37,150,537 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.7

Radius: 3

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.94 AU - 10.4 AU

Year: 16483 Days

Day: 16.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 81.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,520,100 km

• M1: 118,033 km (0.114 R)
• M2: 486,791 km (0.118 R)
• M3: 2,386,834 km (0.05 R)
• M4: 3,447,932 km (0.083 R)
• M5: 13,800,852 km (0.045 R)
• M6: 13,955,537 km (0.077 R)
• M7: 14,746,161 km (0.033 R)
• M8: 17,236,816 km (0.089 R)
• M9: 17,778,660 km (0.056 R)
• M10: 22,743,065 km (0.082 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 12,592 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit