🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.87 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803

Radius: 8.7

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.5 AU - 1.98 AU

Year: 1557 Days

Day: 14.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,967,653 km

• M1: 108,159 km (0.101 R)
• M2: 440,715 km (0.036 R)
• M3: 814,112 km (0.107 R)
• M4: 1,361,789 km (0.091 R)
• M5: 1,703,770 km (0.103 R)
• M6: 2,056,672 km (0.062 R)
• M7: 2,510,402 km (0.102 R)
• M8: 2,782,670 km (0.113 R)
• M9: 3,228,322 km (0.088 R)
• M10: 3,931,731 km (0.109 R)
• M11: 5,045,188 km (0.095 R)
• M12: 5,348,273 km (0.094 R)
• M13: 5,849,127 km (0.067 R)
• M14: 6,506,311 km (0.12 R)
• M15: 7,402,701 km (0.119 R)
• M16: 8,112,693 km (0.081 R)
• M17: 8,439,265 km (0.093 R)
• M18: 10,691,461 km (0.119 R)
• M19: 12,127,750 km (0.067 R)
• M20: 13,939,978 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.2

Radius: 13.4

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.8 AU - 2.12 AU

Year: 1861 Days

Day: 6 Hours

Environment

Temp: -192 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,967,653 km

• M1: 169,494 km (0.072 R)
• M2: 867,069 km (0.064 R)
• M3: 1,359,994 km (0.103 R)
• M4: 1,887,177 km (0.038 R)
• M5: 3,349,197 km (0.109 R)
• M6: 3,897,623 km (0.098 R)
• M7: 5,309,378 km (0.068 R)
• M8: 6,536,230 km (0.034 R)
• M9: 7,258,040 km (0.046 R)
• M10: 8,302,831 km (0.057 R)
• M11: 9,085,677 km (0.062 R)
• M12: 9,951,400 km (0.079 R)
• M13: 10,404,532 km (0.07 R)
• M14: 11,808,957 km (0.116 R)
• M15: 12,758,754 km (0.077 R)
• M16: 13,294,314 km (0.113 R)
• M17: 13,930,703 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.8

Radius: 13.9

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.68 AU - 2.28 AU

Year: 1890 Days

Day: 11.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,967,653 km

• M1: 172,935 km (0.065 R)
• M2: 623,524 km (0.096 R)
• M3: 1,058,106 km (0.102 R)
• M4: 1,678,787 km (0.108 R)
• M5: 2,304,555 km (0.113 R)
• M6: 2,961,888 km (0.096 R)
• M7: 3,867,105 km (0.083 R)
• M8: 5,100,839 km (0.106 R)
• M9: 5,857,056 km (0.096 R)
• M10: 6,376,609 km (0.104 R)
• M11: 7,338,972 km (0.036 R)
• M12: 9,418,981 km (0.1 R)
• M13: 10,029,939 km (0.068 R)
• M14: 11,444,686 km (0.095 R)
• M15: 12,180,408 km (0.076 R)
• M16: 13,196,327 km (0.067 R)
• M17: 14,938,395 km (0.073 R)
• M18: 15,723,484 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.1

Radius: 9.5

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.09 AU - 2.89 AU

Year: 2665 Days

Day: 12.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,967,653 km

• M1: 118,332 km (0.118 R)
• M2: 431,739 km (0.115 R)
• M3: 764,146 km (0.113 R)
• M4: 1,224,758 km (0.045 R)
• M5: 2,229,008 km (0.099 R)
• M6: 3,088,149 km (0.066 R)
• M7: 4,153,435 km (0.066 R)
• M8: 4,634,093 km (0.114 R)
• M9: 5,128,963 km (0.084 R)
• M10: 7,383,852 km (0.082 R)
• M11: 7,879,769 km (0.078 R)
• M12: 8,744,893 km (0.1 R)
• M13: 9,333,561 km (0.115 R)
• M14: 10,194,796 km (0.095 R)
• M15: 11,956,161 km (0.11 R)
• M16: 14,398,346 km (0.102 R)
• M17: 15,975,108 km (0.026 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.5

Radius: 10.9

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.11 AU - 3.43 AU

Year: 4011 Days

Day: 12 Hours

Environment

Temp: -207 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,967,653 km

• M1: 135,536 km (0.114 R)
• M2: 488,736 km (0.064 R)
• M3: 1,806,693 km (0.032 R)
• M4: 2,192,955 km (0.106 R)
• M5: 2,944,535 km (0.113 R)
• M6: 3,942,353 km (0.093 R)
• M7: 6,332,627 km (0.119 R)
• M8: 7,110,088 km (0.045 R)
• M9: 7,916,570 km (0.062 R)
• M10: 8,854,997 km (0.071 R)
• M11: 9,520,708 km (0.102 R)
• M12: 10,459,883 km (0.066 R)
• M13: 14,790,891 km (0.115 R)
• M14: 19,506,366 km (0.072 R)
• M15: 20,442,399 km (0.082 R)
• M16: 21,670,897 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.5

Radius: 8.1

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.84 AU - 4.24 AU

Year: 4517 Days

Day: 13.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,967,653 km

• M1: 101,278 km (0.103 R)
• M2: 411,095 km (0.111 R)
• M3: 684,859 km (0.107 R)
• M4: 941,270 km (0.059 R)
• M5: 1,376,450 km (0.059 R)
• M6: 2,224,072 km (0.076 R)
• M7: 3,226,078 km (0.116 R)
• M8: 4,430,191 km (0.041 R)
• M9: 4,976,972 km (0.117 R)
• M10: 6,448,267 km (0.11 R)
• M11: 7,384,450 km (0.103 R)
• M12: 8,858,737 km (0.087 R)
• M13: 9,972,194 km (0.083 R)
• M14: 10,519,722 km (0.026 R)
• M15: 11,086,997 km (0.095 R)
• M16: 11,674,618 km (0.111 R)
• M17: 14,874,516 km (0.091 R)
• M18: 15,477,844 km (0.105 R)
• M19: 16,097,329 km (0.053 R)
• M20: 17,688,003 km (0.071 R)
• M21: 19,705,780 km (0.093 R)
• M22: 20,973,771 km (0.089 R)
• M23: 24,797,493 km (0.098 R)
• M24: 25,723,503 km (0.098 R)
• M25: 26,993,739 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.5

Radius: 11.2

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.67 AU - 6.59 AU

Year: 9061 Days

Day: 5.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,967,653 km

• M1: 140,472 km (0.042 R)
• M2: 518,506 km (0.088 R)
• M3: 900,130 km (0.091 R)
• M4: 1,265,000 km (0.117 R)
• M5: 2,030,492 km (0.079 R)
• M6: 2,459,987 km (0.115 R)
• M7: 2,821,565 km (0.119 R)
• M8: 3,807,116 km (0.09 R)
• M9: 4,671,942 km (0.108 R)
• M10: 7,384,450 km (0.1 R)
• M11: 9,430,949 km (0.105 R)
• M12: 12,171,133 km (0.117 R)
• M13: 13,232,231 km (0.109 R)
• M14: 13,599,344 km (0.045 R)
• M15: 14,162,730 km (0.111 R)
• M16: 14,676,449 km (0.088 R)
• M17: 16,084,464 km (0.046 R)
• M18: 19,955,907 km (0.093 R)
• M19: 20,930,388 km (0.083 R)
• M20: 22,021,555 km (0.114 R)
• M21: 23,594,277 km (0.083 R)
• M22: 31,282,261 km (0.074 R)
• M23: 31,934,807 km (0.114 R)
• M24: 32,930,680 km (0.109 R)
• M25: 37,608,605 km (0.042 R)
• M26: 38,222,854 km (0.12 R)
• M27: 39,093,963 km (0.081 R)
• M28: 45,984,889 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 233.8

Radius: 6.8

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 5.18 AU - 7.32 AU

Year: 10598 Days

Day: 22.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 132.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,967,653 km

• M1: 84,672 km (0.073 R)
• M2: 366,664 km (0.092 R)
• M3: 695,032 km (0.079 R)
• M4: 1,119,291 km (0.042 R)
• M5: 1,651,710 km (0.104 R)
• M6: 1,901,688 km (0.062 R)
• M7: 2,160,941 km (0.082 R)
• M8: 2,827,101 km (0.074 R)
• M9: 3,166,089 km (0.116 R)
• M10: 4,884,520 km (0.114 R)
• M11: 6,551,190 km (0.06 R)
• M12: 6,791,893 km (0.093 R)
• M13: 8,524,236 km (0.059 R)
• M14: 12,464,195 km (0.051 R)
• M15: 12,941,712 km (0.087 R)
• M16: 13,212,185 km (0.047 R)
• M17: 13,597,100 km (0.08 R)
• M18: 15,033,539 km (0.094 R)
• M19: 17,537,658 km (0.105 R)
• M20: 18,204,565 km (0.08 R)
• M21: 19,166,479 km (0.091 R)
• M22: 19,659,853 km (0.096 R)
• M23: 21,947,653 km (0.051 R)
• M24: 28,659,661 km (0.114 R)
• M25: 29,304,876 km (0.068 R)
• M26: 29,865,569 km (0.106 R)
• M27: 32,577,330 km (0.029 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.7

Radius: 3.5

Gravity: 73.77 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 6.32 AU - 6.94 AU

Year: 11579 Days

Day: 22.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 57,967,653 km

• M1: 44,730 km (0.104 R)
• M2: 186,100 km (0.063 R)
• M3: 422,315 km (0.093 R)
• M4: 619,186 km (0.111 R)
• M5: 730,038 km (0.097 R)
• M6: 916,437 km (0.067 R)
• M7: 1,315,115 km (0.104 R)
• M8: 1,441,675 km (0.08 R)
• M9: 1,703,172 km (0.111 R)
• M10: 1,853,966 km (0.089 R)
• M11: 3,049,553 km (0.106 R)
• M12: 3,247,171 km (0.117 R)
• M13: 3,479,497 km (0.058 R)
• M14: 6,019,070 km (0.118 R)
• M15: 6,775,138 km (0.075 R)
• M16: 9,215,229 km (0.112 R)
• M17: 9,523,849 km (0.102 R)
• M18: 10,435,499 km (0.061 R)
• M19: 10,883,993 km (0.051 R)
• M20: 11,403,846 km (0.12 R)
• M21: 11,879,567 km (0.1 R)
• M22: 12,183,550 km (0.11 R)
• M23: 13,191,241 km (0.081 R)
• M24: 17,154,837 km (0.104 R)
• M25: 18,176,440 km (0.108 R)
• M26: 20,775,255 km (0.118 R)
• M27: 21,663,567 km (0.09 R)
• M28: 23,706,625 km (0.095 R)
• M29: 23,898,409 km (0.114 R)
• M30: 27,320,610 km (0.113 R)
• M31: 32,215,303 km (0.12 R)
• M32: 32,450,770 km (0.109 R)
• M33: 32,687,284 km (0.1 R)
• M34: 34,008,832 km (0.079 R)
• M35: 35,741,923 km (0.073 R)
• M36: 36,247,564 km (0.094 R)
• M37: 51,291,126 km (0.089 R)
• M38: 52,257,977 km (0.075 R)
• M39: 54,228,181 km (0.108 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 11,129 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit