🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.3

Radius: 12.2

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.61 AU - 0.65 AU

Year: 333 Days

Day: 7.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,075,848 km

• M1: 153,787 km (0.079 R)
• M2: 599,738 km (0.12 R)
• M3: 979,866 km (0.064 R)
• M4: 1,589,477 km (0.05 R)
• M5: 2,172,610 km (0.111 R)
• M6: 2,834,431 km (0.063 R)
• M7: 3,416,067 km (0.115 R)
• M8: 4,050,063 km (0.09 R)
• M9: 5,270,483 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.6

Radius: 11.8

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.9 AU - 0.98 AU

Year: 608 Days

Day: 7.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,075,848 km

• M1: 146,756 km (0.115 R)
• M2: 622,477 km (0.043 R)
• M3: 1,474,137 km (0.089 R)
• M4: 1,868,627 km (0.094 R)
• M5: 3,953,124 km (0.046 R)
• M6: 4,699,617 km (0.083 R)
• M7: 5,247,744 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.7

Radius: 12.7

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.62 AU - 1.78 AU

Year: 1478 Days

Day: 11.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,075,848 km

• M1: 164,258 km (0.102 R)
• M2: 584,329 km (0.077 R)
• M3: 1,840,054 km (0.109 R)
• M4: 2,317,121 km (0.088 R)
• M5: 3,056,584 km (0.119 R)
• M6: 3,584,215 km (0.089 R)
• M7: 6,617,761 km (0.119 R)
• M8: 7,677,961 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.3

Radius: 8.7

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.77 AU - 2.29 AU

Year: 1929 Days

Day: 12.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,075,848 km

• M1: 108,159 km (0.106 R)
• M2: 417,378 km (0.112 R)
• M3: 915,090 km (0.058 R)
• M4: 3,097,574 km (0.112 R)
• M5: 3,467,679 km (0.107 R)
• M6: 4,114,091 km (0.115 R)
• M7: 4,718,616 km (0.047 R)
• M8: 7,229,317 km (0.088 R)
• M9: 10,723,175 km (0.05 R)
• M10: 12,543,482 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.8

Radius: 11.9

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.75 AU - 2.89 AU

Year: 2356 Days

Day: 14.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,075,848 km

• M1: 147,952 km (0.1 R)
• M2: 822,788 km (0.092 R)
• M3: 1,321,248 km (0.082 R)
• M4: 1,921,585 km (0.072 R)
• M5: 2,389,976 km (0.102 R)
• M6: 3,032,947 km (0.028 R)
• M7: 4,190,386 km (0.059 R)
• M8: 4,986,396 km (0.094 R)
• M9: 6,534,136 km (0.114 R)
• M10: 7,357,223 km (0.095 R)
• M11: 8,116,582 km (0.118 R)
• M12: 9,754,529 km (0.066 R)
• M13: 15,981,541 km (0.049 R)
• M14: 17,693,688 km (0.104 R)
• M15: 18,881,944 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.6

Radius: 10.1

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.62 AU - 2.88 AU

Year: 3041 Days

Day: 9.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,075,848 km

• M1: 125,662 km (0.105 R)
• M2: 445,652 km (0.065 R)
• M3: 1,264,401 km (0.088 R)
• M4: 1,986,660 km (0.113 R)
• M5: 2,638,458 km (0.089 R)
• M6: 2,997,642 km (0.055 R)
• M7: 3,521,384 km (0.089 R)
• M8: 4,636,188 km (0.113 R)
• M9: 7,106,796 km (0.094 R)
• M10: 7,579,825 km (0.117 R)
• M11: 9,125,919 km (0.077 R)
• M12: 10,749,205 km (0.094 R)
• M13: 11,246,469 km (0.105 R)
• M14: 11,845,907 km (0.104 R)
• M15: 12,198,061 km (0.111 R)
• M16: 13,485,500 km (0.089 R)
• M17: 14,409,417 km (0.095 R)
• M18: 15,116,715 km (0.118 R)
• M19: 15,794,094 km (0.104 R)
• M20: 17,041,890 km (0.105 R)
• M21: 19,125,190 km (0.097 R)
• M22: 19,610,336 km (0.114 R)
• M23: 20,859,030 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.2

Radius: 8.3

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.21 AU - 4.87 AU

Year: 6451 Days

Day: 10.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,075,848 km

• M1: 103,223 km (0.065 R)
• M2: 429,047 km (0.12 R)
• M3: 805,285 km (0.102 R)
• M4: 1,122,283 km (0.091 R)
• M5: 1,448,107 km (0.12 R)
• M6: 1,727,407 km (0.118 R)
• M7: 2,193,853 km (0.111 R)
• M8: 2,808,401 km (0.115 R)
• M9: 3,303,420 km (0.102 R)
• M10: 3,711,822 km (0.069 R)
• M11: 4,772,920 km (0.092 R)
• M12: 6,052,131 km (0.111 R)
• M13: 6,725,471 km (0.071 R)
• M14: 7,064,759 km (0.035 R)
• M15: 8,609,208 km (0.115 R)
• M16: 8,935,780 km (0.036 R)
• M17: 9,233,031 km (0.086 R)
• M18: 10,903,740 km (0.106 R)
• M19: 13,529,183 km (0.109 R)
• M20: 16,162,704 km (0.073 R)
• M21: 16,660,416 km (0.049 R)
• M22: 22,487,402 km (0.081 R)
• M23: 23,317,222 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.8

Radius: 12.8

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.34 AU - 5.64 AU

Year: 7433 Days

Day: 12.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,075,848 km

• M1: 159,172 km (0.091 R)
• M2: 770,579 km (0.093 R)
• M3: 1,301,950 km (0.12 R)
• M4: 1,827,338 km (0.099 R)
• M5: 3,069,300 km (0.064 R)
• M6: 4,015,955 km (0.106 R)
• M7: 4,811,516 km (0.111 R)
• M8: 6,454,400 km (0.052 R)
• M9: 9,045,435 km (0.037 R)
• M10: 9,449,200 km (0.074 R)
• M11: 10,412,161 km (0.108 R)
• M12: 10,979,437 km (0.066 R)
• M13: 12,175,920 km (0.029 R)
• M14: 13,457,525 km (0.053 R)
• M15: 15,755,349 km (0.065 R)
• M16: 16,449,632 km (0.094 R)
• M17: 17,331,961 km (0.104 R)
• M18: 19,251,301 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480.8

Radius: 5.2

Gravity: 17.78 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.24 AU - 6.3 AU

Year: 9243 Days

Day: 24.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 57,075,848 km

• M1: 65,075 km (0.095 R)
• M2: 465,698 km (0.106 R)
• M3: 672,742 km (0.041 R)
• M4: 1,338,003 km (0.11 R)
• M5: 1,947,465 km (0.04 R)
• M6: 2,209,860 km (0.054 R)
• M7: 2,532,842 km (0.109 R)
• M8: 2,745,420 km (0.118 R)
• M9: 3,295,641 km (0.1 R)
• M10: 5,108,917 km (0.104 R)
• M11: 6,004,709 km (0.068 R)
• M12: 6,525,609 km (0.103 R)
• M13: 6,742,077 km (0.104 R)
• M14: 6,963,482 km (0.072 R)
• M15: 7,227,821 km (0.068 R)
• M16: 8,020,091 km (0.062 R)
• M17: 8,310,611 km (0.036 R)
• M18: 8,694,329 km (0.083 R)
• M19: 9,497,370 km (0.092 R)
• M20: 9,728,948 km (0.104 R)
• M21: 11,561,223 km (0.055 R)
• M22: 12,201,801 km (0.111 R)
• M23: 12,475,565 km (0.101 R)
• M24: 13,611,761 km (0.091 R)
• M25: 17,363,077 km (0.091 R)
• M26: 18,703,923 km (0.111 R)
• M27: 21,431,391 km (0.113 R)
• M28: 25,287,276 km (0.084 R)
• M29: 26,821,851 km (0.094 R)
• M30: 29,679,619 km (0.102 R)
• M31: 32,628,941 km (0.057 R)
• M32: 36,328,497 km (0.099 R)
• M33: 39,816,820 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900.5

Radius: 7.1

Gravity: 17.86 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 5.54 AU - 7.68 AU

Year: 11333 Days

Day: 20.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,075,848 km

• M1: 88,263 km (0.099 R)
• M2: 398,978 km (0.059 R)
• M3: 638,933 km (0.095 R)
• M4: 1,113,158 km (0.059 R)
• M5: 1,366,277 km (0.079 R)
• M6: 1,920,837 km (0.041 R)
• M7: 3,365,802 km (0.096 R)
• M8: 4,044,678 km (0.115 R)
• M9: 5,144,072 km (0.083 R)
• M10: 5,744,409 km (0.095 R)
• M11: 7,169,029 km (0.044 R)
• M12: 8,765,986 km (0.086 R)
• M13: 9,621,387 km (0.067 R)
• M14: 10,641,944 km (0.096 R)
• M15: 13,344,130 km (0.087 R)
• M16: 15,738,444 km (0.114 R)
• M17: 16,249,620 km (0.104 R)
• M18: 17,151,396 km (0.045 R)
• M19: 19,301,865 km (0.113 R)
• M20: 24,226,178 km (0.117 R)
• M21: 26,308,282 km (0.069 R)
• M22: 26,615,107 km (0.101 R)
• M23: 33,265,480 km (0.113 R)
• M24: 37,227,879 km (0.105 R)
• M25: 37,614,739 km (0.068 R)
• M26: 39,857,809 km (0.08 R)
• M27: 48,947,974 km (0.065 R)
• M28: 50,192,778 km (0.119 R)
• M29: 50,981,458 km (0.11 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 13,347 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit