🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.44 AU - 0.72 AU

Year: 285 Days

Day: 44 Hours

Environment

Temp: -132 °C

Axial Tilt: 33 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.2

Radius: 11.4

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.92 AU - 0.92 AU

Year: 570 Days

Day: 6.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,087,748 km

• M1: 142,268 km (0.085 R)
• M2: 605,871 km (0.106 R)
• M3: 1,089,820 km (0.084 R)
• M4: 1,550,881 km (0.11 R)
• M5: 1,923,978 km (0.109 R)
• M6: 2,404,636 km (0.073 R)
• M7: 3,008,563 km (0.106 R)
• M8: 3,365,055 km (0.112 R)
• M9: 4,206,094 km (0.077 R)
• M10: 4,654,139 km (0.069 R)
• M11: 5,133,900 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.5

Radius: 10.8

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.22 AU - 1.46 AU

Year: 1002 Days

Day: 7.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,087,748 km

• M1: 137,032 km (0.055 R)
• M2: 501,153 km (0.109 R)
• M3: 1,039,256 km (0.114 R)
• M4: 1,555,519 km (0.059 R)
• M5: 2,151,217 km (0.069 R)
• M6: 2,987,320 km (0.08 R)
• M7: 3,339,473 km (0.106 R)
• M8: 4,770,078 km (0.1 R)
• M9: 6,162,983 km (0.078 R)
• M10: 8,155,777 km (0.092 R)
• M11: 8,567,320 km (0.114 R)
• M12: 9,313,515 km (0.073 R)
• M13: 9,763,355 km (0.116 R)
• M14: 10,290,688 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.8

Radius: 10.5

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.13 AU - 2.17 AU

Year: 2036 Days

Day: 9.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,087,748 km

• M1: 130,599 km (0.09 R)
• M2: 471,682 km (0.096 R)
• M3: 2,020,319 km (0.065 R)
• M4: 2,744,672 km (0.056 R)
• M5: 3,399,163 km (0.085 R)
• M6: 4,828,720 km (0.091 R)
• M7: 5,759,967 km (0.101 R)
• M8: 6,243,617 km (0.067 R)
• M9: 7,264,772 km (0.117 R)
• M10: 12,324,172 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.9

Radius: 14.2

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.07 AU - 2.53 AU

Year: 2252 Days

Day: 13.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,087,748 km

• M1: 179,667 km (0.118 R)
• M2: 775,366 km (0.042 R)
• M3: 1,496,876 km (0.03 R)
• M4: 2,817,975 km (0.079 R)
• M5: 3,651,086 km (0.05 R)
• M6: 5,306,536 km (0.116 R)
• M7: 5,808,137 km (0.096 R)
• M8: 6,526,207 km (0.117 R)
• M9: 7,331,792 km (0.061 R)
• M10: 8,391,244 km (0.05 R)
• M11: 11,703,341 km (0.052 R)
• M12: 16,048,261 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.4

Radius: 9.7

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.71 AU - 5.39 AU

Year: 6267 Days

Day: 9 Hours

Environment

Temp: -223 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,087,748 km

• M1: 121,773 km (0.096 R)
• M2: 518,357 km (0.077 R)
• M3: 1,012,030 km (0.12 R)
• M4: 1,986,061 km (0.112 R)
• M5: 2,308,295 km (0.116 R)
• M6: 3,942,951 km (0.035 R)
• M7: 6,174,353 km (0.115 R)
• M8: 6,902,745 km (0.107 R)
• M9: 7,216,751 km (0.109 R)
• M10: 7,798,687 km (0.061 R)
• M11: 9,561,249 km (0.094 R)
• M12: 10,218,731 km (0.076 R)
• M13: 10,952,808 km (0.098 R)
• M14: 12,474,817 km (0.065 R)
• M15: 16,545,524 km (0.036 R)
• M16: 16,920,118 km (0.114 R)
• M17: 18,475,935 km (0.026 R)
• M18: 19,219,886 km (0.082 R)
• M19: 20,480,397 km (0.07 R)
• M20: 25,908,556 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.8

Radius: 13

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.85 AU - 6.39 AU

Year: 7480 Days

Day: 11.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,087,748 km

• M1: 161,865 km (0.108 R)
• M2: 893,847 km (0.111 R)
• M3: 2,078,363 km (0.114 R)
• M4: 2,677,951 km (0.101 R)
• M5: 3,327,206 km (0.092 R)
• M6: 4,431,837 km (0.057 R)
• M7: 5,674,696 km (0.106 R)
• M8: 6,579,314 km (0.102 R)
• M9: 7,319,076 km (0.101 R)
• M10: 7,804,371 km (0.072 R)
• M11: 8,351,002 km (0.057 R)
• M12: 9,564,989 km (0.112 R)
• M13: 10,941,289 km (0.075 R)
• M14: 11,828,255 km (0.059 R)
• M15: 12,709,237 km (0.054 R)
• M16: 13,801,451 km (0.107 R)
• M17: 14,312,776 km (0.081 R)
• M18: 17,062,535 km (0.078 R)
• M19: 19,858,818 km (0.092 R)
• M20: 20,732,021 km (0.1 R)
• M21: 23,106,289 km (0.051 R)
• M22: 23,909,330 km (0.106 R)
• M23: 25,064,974 km (0.094 R)
• M24: 33,095,238 km (0.044 R)
• M25: 33,501,097 km (0.11 R)
• M26: 35,052,277 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 734.4

Radius: 5.6

Gravity: 23.42 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 6.9 AU - 9.04 AU

Year: 14528 Days

Day: 20.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 152.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 87,087,748 km

• M1: 69,713 km (0.113 R)
• M2: 253,419 km (0.054 R)
• M3: 454,927 km (0.112 R)
• M4: 804,837 km (0.106 R)
• M5: 1,063,641 km (0.038 R)
• M6: 1,618,649 km (0.104 R)
• M7: 2,518,480 km (0.064 R)
• M8: 3,279,485 km (0.09 R)
• M9: 3,798,440 km (0.095 R)
• M10: 4,183,804 km (0.107 R)
• M11: 5,032,622 km (0.109 R)
• M12: 5,460,771 km (0.068 R)
• M13: 5,759,518 km (0.114 R)
• M14: 6,188,116 km (0.087 R)
• M15: 7,601,666 km (0.117 R)
• M16: 7,927,042 km (0.117 R)
• M17: 8,555,951 km (0.032 R)
• M18: 9,010,579 km (0.046 R)
• M19: 10,642,393 km (0.073 R)
• M20: 14,548,991 km (0.108 R)
• M21: 15,787,362 km (0.115 R)
• M22: 17,252,823 km (0.106 R)
• M23: 17,652,998 km (0.119 R)
• M24: 19,401,797 km (0.045 R)
• M25: 20,273,803 km (0.082 R)
• M26: 21,262,794 km (0.072 R)
• M27: 22,949,959 km (0.112 R)
• M28: 30,129,610 km (0.098 R)
• M29: 31,297,670 km (0.03 R)
• M30: 31,653,862 km (0.112 R)
• M31: 35,623,292 km (0.11 R)
• M32: 36,141,798 km (0.04 R)
• M33: 36,665,092 km (0.111 R)
• M34: 39,912,263 km (0.109 R)
• M35: 44,532,893 km (0.027 R)
• M36: 48,540,021 km (0.114 R)
• M37: 50,794,162 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 846.9

Radius: 7.1

Gravity: 16.8 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.05 AU - 9.07 AU

Year: 16171 Days

Day: 19.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,087,748 km

• M1: 89,011 km (0.075 R)
• M2: 394,789 km (0.052 R)
• M3: 637,736 km (0.073 R)
• M4: 883,974 km (0.061 R)
• M5: 1,980,526 km (0.098 R)
• M6: 3,390,935 km (0.113 R)
• M7: 3,616,080 km (0.049 R)
• M8: 4,417,924 km (0.104 R)
• M9: 4,896,039 km (0.115 R)
• M10: 5,221,265 km (0.117 R)
• M11: 6,159,393 km (0.098 R)
• M12: 6,888,982 km (0.053 R)
• M13: 7,205,531 km (0.112 R)
• M14: 10,626,984 km (0.083 R)
• M15: 13,971,394 km (0.111 R)
• M16: 14,405,976 km (0.054 R)
• M17: 15,302,067 km (0.03 R)
• M18: 17,287,530 km (0.107 R)
• M19: 18,213,242 km (0.102 R)
• M20: 22,346,182 km (0.081 R)
• M21: 24,577,135 km (0.102 R)
• M22: 32,153,968 km (0.117 R)
• M23: 35,656,204 km (0.079 R)
• M24: 35,925,330 km (0.031 R)
• M25: 37,153,080 km (0.117 R)
• M26: 41,004,178 km (0.074 R)
• M27: 43,868,229 km (0.043 R)
• M28: 49,154,868 km (0.034 R)
• M29: 53,784,174 km (0.066 R)
• M30: 63,305,481 km (0.06 R)
• M31: 67,532,069 km (0.036 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.3

Radius: 6.3

Gravity: 17.72 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 11.11 AU - 11.27 AU

Year: 24169 Days

Day: 23.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,087,748 km

• M1: 78,389 km (0.08 R)
• M2: 332,855 km (0.088 R)
• M3: 560,842 km (0.1 R)
• M4: 884,123 km (0.054 R)
• M5: 1,437,935 km (0.077 R)
• M6: 2,983,281 km (0.052 R)
• M7: 3,205,134 km (0.041 R)
• M8: 4,379,328 km (0.07 R)
• M9: 5,400,034 km (0.105 R)
• M10: 13,105,521 km (0.064 R)
• M11: 13,855,456 km (0.117 R)
• M12: 16,619,725 km (0.065 R)
• M13: 21,938,528 km (0.03 R)
• M14: 22,568,036 km (0.114 R)
• M15: 25,435,827 km (0.097 R)
• M16: 26,247,545 km (0.057 R)
• M17: 30,050,622 km (0.112 R)
• M18: 45,298,684 km (0.06 R)
• M19: 71,199,910 km (0.096 R)
• M20: 72,809,284 km (0.101 R)
• M21: 73,739,633 km (0.104 R)
• M22: 74,678,060 km (0.113 R)
• M23: 76,100,437 km (0.083 R)
• M24: 76,818,357 km (0.097 R)
• M25: 79,735,366 km (0.078 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: 523 - 19,838 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit