🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.43 AU - 0.67 AU

Year: 181 Days

Day: 47.7 Hours

Environment

Temp: 16 °C

Axial Tilt: 32.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 45,589,673 km

• M1: 63,130 km (0.082 R)
• M2: 455,825 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.55 AU - 0.69 AU

Year: 216 Days

Day: 47.3 Hours

Environment

Temp: -3 °C

Axial Tilt: 34.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 45,589,673 km

• M1: 169,345 km (0.081 R)

Asteroid Belt

Center: 1.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.3

Radius: 9.2

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.36 AU - 2.66 AU

Year: 1761 Days

Day: 10.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,589,673 km

• M1: 144,661 km (0.064 R)
• M2: 402,269 km (0.066 R)
• M3: 744,848 km (0.102 R)
• M4: 982,559 km (0.076 R)
• M5: 1,227,451 km (0.076 R)
• M6: 2,740,783 km (0.031 R)
• M7: 3,055,088 km (0.059 R)
• M8: 3,335,135 km (0.033 R)
• M9: 4,862,080 km (0.104 R)
• M10: 5,736,480 km (0.106 R)
• M11: 6,138,749 km (0.063 R)
• M12: 6,777,831 km (0.065 R)
• M13: 7,626,799 km (0.069 R)
• M14: 8,131,841 km (0.112 R)
• M15: 8,400,968 km (0.101 R)
• M16: 8,695,825 km (0.116 R)
• M17: 10,761,323 km (0.071 R)
• M18: 11,630,038 km (0.091 R)
• M19: 12,354,690 km (0.11 R)
• M20: 13,153,692 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.5

Radius: 10.6

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.18 AU - 3.44 AU

Year: 2086 Days

Day: 12.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,589,673 km

• M1: 151,393 km (0.062 R)
• M2: 379,530 km (0.061 R)
• M3: 786,586 km (0.078 R)
• M4: 1,025,344 km (0.052 R)
• M5: 1,849,179 km (0.12 R)
• M6: 2,112,023 km (0.11 R)
• M7: 2,535,534 km (0.09 R)
• M8: 2,809,448 km (0.109 R)
• M9: 3,388,541 km (0.104 R)
• M10: 4,152,388 km (0.104 R)
• M11: 4,762,598 km (0.063 R)
• M12: 5,220,367 km (0.094 R)
• M13: 6,025,353 km (0.083 R)
• M14: 6,449,912 km (0.11 R)
• M15: 6,667,727 km (0.118 R)
• M16: 7,076,727 km (0.076 R)
• M17: 7,478,697 km (0.079 R)
• M18: 7,812,450 km (0.071 R)
• M19: 8,012,163 km (0.078 R)
• M20: 8,605,917 km (0.098 R)
• M21: 9,286,138 km (0.102 R)
• M22: 11,030,449 km (0.105 R)
• M23: 11,532,649 km (0.085 R)
• M24: 12,595,991 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.7

Radius: 14.6

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.63 AU - 5.33 AU

Year: 4200 Days

Day: 9.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,589,673 km

• M1: 206,146 km (0.077 R)
• M2: 730,187 km (0.093 R)
• M3: 1,029,981 km (0.051 R)
• M4: 1,374,056 km (0.069 R)
• M5: 2,251,149 km (0.111 R)
• M6: 3,351,441 km (0.116 R)
• M7: 3,770,166 km (0.118 R)
• M8: 4,101,226 km (0.032 R)
• M9: 4,605,370 km (0.087 R)
• M10: 5,930,209 km (0.086 R)
• M11: 6,418,197 km (0.098 R)
• M12: 6,975,599 km (0.11 R)
• M13: 7,301,124 km (0.071 R)
• M14: 8,081,576 km (0.082 R)
• M15: 8,958,668 km (0.116 R)
• M16: 11,448,875 km (0.062 R)
• M17: 11,769,912 km (0.117 R)
• M18: 12,592,102 km (0.119 R)
• M19: 13,442,416 km (0.109 R)
• M20: 14,934,505 km (0.049 R)
• M21: 15,561,021 km (0.118 R)
• M22: 16,011,161 km (0.084 R)
• M23: 16,391,289 km (0.119 R)
• M24: 16,814,501 km (0.102 R)
• M25: 17,439,970 km (0.118 R)
• M26: 19,510,405 km (0.109 R)
• M27: 20,099,222 km (0.112 R)
• M28: 22,453,444 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.1

Radius: 14.9

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.45 AU - 5.63 AU

Year: 4285 Days

Day: 8.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 45,589,673 km

• M1: 187,596 km (0.108 R)
• M2: 688,150 km (0.05 R)
• M3: 1,205,310 km (0.09 R)
• M4: 1,917,546 km (0.109 R)
• M5: 2,211,954 km (0.066 R)
• M6: 2,940,795 km (0.091 R)
• M7: 3,863,365 km (0.034 R)
• M8: 4,872,253 km (0.112 R)
• M9: 5,349,021 km (0.115 R)
• M10: 6,425,378 km (0.094 R)
• M11: 7,603,461 km (0.087 R)
• M12: 8,079,033 km (0.106 R)
• M13: 8,663,063 km (0.114 R)
• M14: 9,594,459 km (0.117 R)
• M15: 10,265,107 km (0.095 R)
• M16: 10,713,452 km (0.047 R)
• M17: 11,603,110 km (0.119 R)
• M18: 11,932,225 km (0.119 R)
• M19: 12,642,217 km (0.083 R)
• M20: 13,451,242 km (0.118 R)
• M21: 14,366,632 km (0.098 R)
• M22: 15,229,063 km (0.03 R)
• M23: 16,116,777 km (0.102 R)
• M24: 16,635,582 km (0.07 R)
• M25: 18,287,442 km (0.101 R)
• M26: 19,448,322 km (0.119 R)
• M27: 20,018,289 km (0.043 R)
• M28: 21,928,355 km (0.097 R)
• M29: 22,686,218 km (0.096 R)
• M30: 23,405,484 km (0.072 R)
• M31: 25,793,665 km (0.08 R)
• M32: 26,837,110 km (0.116 R)
• M33: 27,563,108 km (0.096 R)
• M34: 29,044,277 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.8

Radius: 11.3

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.6 AU - 6.6 AU

Year: 5870 Days

Day: 10.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,589,673 km

• M1: 160,519 km (0.065 R)
• M2: 663,467 km (0.081 R)
• M3: 1,129,165 km (0.068 R)
• M4: 1,508,096 km (0.094 R)
• M5: 1,799,662 km (0.1 R)
• M6: 2,040,814 km (0.096 R)
• M7: 2,331,483 km (0.075 R)
• M8: 2,918,206 km (0.101 R)
• M9: 3,148,736 km (0.071 R)
• M10: 5,611,117 km (0.099 R)
• M11: 5,905,675 km (0.093 R)
• M12: 6,347,886 km (0.083 R)
• M13: 7,131,330 km (0.11 R)
• M14: 9,760,513 km (0.117 R)
• M15: 10,365,487 km (0.102 R)
• M16: 12,568,465 km (0.106 R)
• M17: 14,255,331 km (0.111 R)
• M18: 15,073,332 km (0.101 R)
• M19: 16,139,665 km (0.109 R)
• M20: 16,457,561 km (0.08 R)
• M21: 20,567,762 km (0.064 R)
• M22: 21,030,020 km (0.074 R)
• M23: 22,181,624 km (0.072 R)
• M24: 28,764,529 km (0.101 R)
• M25: 29,189,237 km (0.07 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.1

Radius: 10.5

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.86 AU - 8.44 AU

Year: 8468 Days

Day: 10.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,589,673 km

• M1: 190,438 km (0.118 R)
• M2: 1,076,805 km (0.113 R)
• M3: 1,537,417 km (0.106 R)
• M4: 1,900,641 km (0.059 R)
• M5: 2,854,627 km (0.111 R)
• M6: 3,465,584 km (0.099 R)
• M7: 3,818,186 km (0.11 R)
• M8: 4,088,061 km (0.089 R)
• M9: 6,750,903 km (0.11 R)
• M10: 7,412,425 km (0.119 R)
• M11: 8,319,736 km (0.039 R)
• M12: 8,536,653 km (0.099 R)
• M13: 9,394,447 km (0.092 R)
• M14: 10,213,944 km (0.107 R)
• M15: 14,261,165 km (0.107 R)
• M16: 16,060,827 km (0.057 R)
• M17: 19,816,033 km (0.069 R)
• M18: 22,106,526 km (0.114 R)
• M19: 30,906,621 km (0.064 R)
• M20: 33,827,519 km (0.083 R)
• M21: 34,560,100 km (0.116 R)
• M22: 39,198,980 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.6

Radius: 6.5

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 11.16 AU - 12.76 AU

Year: 18320 Days

Day: 21.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,589,673 km

• M1: 92,451 km (0.034 R)
• M2: 291,267 km (0.049 R)
• M3: 554,260 km (0.104 R)
• M4: 791,971 km (0.104 R)
• M5: 1,118,543 km (0.109 R)
• M6: 1,289,982 km (0.098 R)
• M7: 2,068,639 km (0.079 R)
• M8: 2,551,392 km (0.049 R)
• M9: 2,857,319 km (0.074 R)
• M10: 3,398,415 km (0.075 R)
• M11: 3,908,095 km (0.115 R)
• M12: 7,843,267 km (0.112 R)
• M13: 9,052,317 km (0.117 R)
• M14: 9,502,307 km (0.039 R)
• M15: 11,824,964 km (0.089 R)
• M16: 12,292,008 km (0.034 R)
• M17: 12,960,860 km (0.086 R)
• M18: 14,098,702 km (0.097 R)
• M19: 14,866,588 km (0.052 R)
• M20: 19,308,298 km (0.113 R)
• M21: 20,266,622 km (0.034 R)
• M22: 22,571,776 km (0.104 R)
• M23: 23,216,094 km (0.105 R)
• M24: 28,053,042 km (0.103 R)
• M25: 28,267,565 km (0.086 R)
• M26: 30,755,677 km (0.113 R)
• M27: 33,739,107 km (0.071 R)
• M28: 36,047,402 km (0.11 R)
• M29: 37,025,024 km (0.063 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: 214 - 16,301 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit