🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.2

Radius: 12.8

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.71 AU - 1.05 AU

Year: 542 Days

Day: 11.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,163,079 km

• M1: 166,054 km (0.029 R)
• M2: 572,361 km (0.096 R)
• M3: 1,003,054 km (0.105 R)
• M4: 1,424,621 km (0.073 R)
• M5: 2,381,149 km (0.102 R)
• M6: 2,853,579 km (0.06 R)
• M7: 3,516,448 km (0.107 R)
• M8: 4,118,878 km (0.107 R)
• M9: 4,870,159 km (0.041 R)
• M10: 6,156,700 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.1

Radius: 10.5

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.14 AU - 1.82 AU

Year: 1181 Days

Day: 12.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,163,079 km

• M1: 135,087 km (0.082 R)
• M2: 523,892 km (0.099 R)
• M3: 925,562 km (0.117 R)
• M4: 1,327,532 km (0.061 R)
• M5: 1,662,332 km (0.115 R)
• M6: 4,582,931 km (0.12 R)
• M7: 5,976,734 km (0.117 R)
• M8: 6,660,546 km (0.102 R)
• M9: 7,634,727 km (0.099 R)
• M10: 8,156,226 km (0.1 R)
• M11: 9,674,046 km (0.088 R)
• M12: 10,089,479 km (0.107 R)
• M13: 10,819,516 km (0.111 R)
• M14: 12,126,254 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.9

Radius: 9.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.63 AU - 2.13 AU

Year: 1691 Days

Day: 10.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,163,079 km

• M1: 123,568 km (0.104 R)
• M2: 493,673 km (0.082 R)
• M3: 885,769 km (0.084 R)
• M4: 1,234,182 km (0.118 R)
• M5: 1,610,720 km (0.075 R)
• M6: 1,924,876 km (0.062 R)
• M7: 2,600,909 km (0.066 R)
• M8: 3,792,755 km (0.088 R)
• M9: 4,245,887 km (0.092 R)
• M10: 4,802,840 km (0.07 R)
• M11: 5,152,899 km (0.095 R)
• M12: 5,767,746 km (0.108 R)
• M13: 7,508,018 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.5

Radius: 15

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.83 AU - 2.11 AU

Year: 1814 Days

Day: 13.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,163,079 km

• M1: 186,549 km (0.057 R)
• M2: 706,700 km (0.102 R)
• M3: 1,195,137 km (0.066 R)
• M4: 1,677,291 km (0.107 R)
• M5: 3,128,391 km (0.073 R)
• M6: 4,197,118 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.9

Radius: 9.3

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.04 AU - 3.28 AU

Year: 3685 Days

Day: 9.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,163,079 km

• M1: 116,387 km (0.034 R)
• M2: 595,699 km (0.066 R)
• M3: 1,182,571 km (0.063 R)
• M4: 1,715,439 km (0.102 R)
• M5: 2,626,191 km (0.106 R)
• M6: 3,181,199 km (0.052 R)
• M7: 3,690,280 km (0.092 R)
• M8: 5,213,486 km (0.086 R)
• M9: 5,617,550 km (0.11 R)
• M10: 6,642,295 km (0.076 R)
• M11: 7,336,130 km (0.115 R)
• M12: 7,960,402 km (0.059 R)
• M13: 9,347,324 km (0.111 R)
• M14: 11,033,441 km (0.057 R)
• M15: 13,034,911 km (0.058 R)
• M16: 13,362,979 km (0.077 R)
• M17: 14,775,183 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.9

Radius: 14.1

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.54 AU - 4.8 AU

Year: 5586 Days

Day: 10.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,163,079 km

• M1: 175,927 km (0.098 R)
• M2: 686,505 km (0.119 R)
• M3: 1,587,233 km (0.05 R)
• M4: 2,256,833 km (0.092 R)
• M5: 2,869,586 km (0.107 R)
• M6: 3,655,574 km (0.091 R)
• M7: 4,193,677 km (0.092 R)
• M8: 4,810,170 km (0.07 R)
• M9: 6,413,410 km (0.076 R)
• M10: 7,653,128 km (0.114 R)
• M11: 8,616,089 km (0.076 R)
• M12: 9,534,022 km (0.104 R)
• M13: 9,995,531 km (0.081 R)
• M14: 10,560,263 km (0.101 R)
• M15: 11,470,716 km (0.07 R)
• M16: 15,759,836 km (0.109 R)
• M17: 16,646,204 km (0.108 R)
• M18: 18,518,571 km (0.089 R)
• M19: 20,736,210 km (0.114 R)
• M20: 21,228,536 km (0.098 R)
• M21: 22,017,964 km (0.06 R)
• M22: 25,372,996 km (0.114 R)
• M23: 28,446,634 km (0.066 R)
• M24: 29,494,716 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 623.4

Radius: 3.5

Gravity: 50.89 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.44 AU - 7.9 AU

Year: 12595 Days

Day: 24.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 47,163,079 km

• M1: 43,533 km (0.094 R)
• M2: 269,426 km (0.073 R)
• M3: 432,637 km (0.068 R)
• M4: 719,416 km (0.026 R)
• M5: 941,120 km (0.03 R)
• M6: 1,296,565 km (0.098 R)
• M7: 2,424,533 km (0.1 R)
• M8: 2,697,399 km (0.098 R)
• M9: 3,132,579 km (0.071 R)
• M10: 3,354,283 km (0.047 R)
• M11: 5,042,196 km (0.111 R)
• M12: 5,521,209 km (0.075 R)
• M13: 6,932,216 km (0.081 R)
• M14: 7,654,624 km (0.065 R)
• M15: 7,831,598 km (0.115 R)
• M16: 8,709,887 km (0.095 R)
• M17: 15,046,554 km (0.074 R)
• M18: 15,818,778 km (0.098 R)
• M19: 17,825,633 km (0.028 R)
• M20: 18,849,781 km (0.12 R)
• M21: 20,585,864 km (0.12 R)
• M22: 21,014,462 km (0.082 R)
• M23: 21,448,894 km (0.093 R)
• M24: 21,712,485 km (0.04 R)
• M25: 22,425,768 km (0.105 R)
• M26: 22,970,903 km (0.049 R)
• M27: 24,659,414 km (0.099 R)
• M28: 31,556,923 km (0.08 R)
• M29: 40,032,540 km (0.102 R)
• M30: 42,056,300 km (0.108 R)
• M31: 45,002,779 km (0.059 R)
• M32: 47,337,853 km (0.088 R)
• M33: 49,141,255 km (0.088 R)
• M34: 50,834,104 km (0.117 R)
• M35: 52,884,493 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.7

Radius: 3.7

Gravity: 46.58 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.97 AU - 9.29 AU

Year: 13826 Days

Day: 16.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 47,163,079 km

• M1: 53,257 km (0.111 R)
• M2: 270,623 km (0.067 R)
• M3: 496,515 km (0.116 R)
• M4: 808,876 km (0.117 R)
• M5: 952,938 km (0.106 R)
• M6: 1,101,788 km (0.083 R)
• M7: 1,461,571 km (0.06 R)
• M8: 1,965,716 km (0.107 R)
• M9: 2,169,917 km (0.116 R)
• M10: 2,367,685 km (0.061 R)
• M11: 3,180,750 km (0.071 R)
• M12: 3,760,591 km (0.076 R)
• M13: 4,104,966 km (0.098 R)
• M14: 4,470,134 km (0.116 R)
• M15: 6,958,395 km (0.105 R)
• M16: 7,520,883 km (0.113 R)
• M17: 10,130,020 km (0.105 R)
• M18: 15,047,900 km (0.084 R)
• M19: 17,896,094 km (0.063 R)
• M20: 22,347,379 km (0.101 R)
• M21: 27,062,853 km (0.109 R)
• M22: 29,540,194 km (0.12 R)
• M23: 31,005,355 km (0.088 R)
• M24: 31,930,618 km (0.119 R)
• M25: 33,593,847 km (0.1 R)
• M26: 35,689,863 km (0.1 R)
• M27: 36,450,120 km (0.072 R)
• M28: 38,928,358 km (0.105 R)
• M29: 39,869,029 km (0.101 R)
• M30: 40,687,330 km (0.06 R)
• M31: 41,795,700 km (0.114 R)
• M32: 46,731,084 km (0.116 R)
• M33: 49,338,275 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.9

Radius: 3.7

Gravity: 18.04 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.8 AU - 9.2 AU

Year: 16257 Days

Day: 23.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 47,163,079 km

• M1: 46,076 km (0.115 R)
• M2: 180,864 km (0.118 R)
• M3: 320,738 km (0.087 R)
• M4: 445,951 km (0.034 R)
• M5: 1,025,942 km (0.063 R)
• M6: 1,369,718 km (0.098 R)
• M7: 1,589,926 km (0.066 R)
• M8: 1,881,642 km (0.09 R)
• M9: 2,066,096 km (0.105 R)
• M10: 2,452,059 km (0.082 R)
• M11: 3,792,156 km (0.108 R)
• M12: 3,951,179 km (0.115 R)
• M13: 5,900,439 km (0.095 R)
• M14: 7,021,077 km (0.067 R)
• M15: 8,232,221 km (0.114 R)
• M16: 8,544,133 km (0.12 R)
• M17: 9,430,650 km (0.059 R)
• M18: 12,513,563 km (0.11 R)
• M19: 12,807,223 km (0.116 R)
• M20: 13,408,158 km (0.08 R)
• M21: 14,090,623 km (0.065 R)
• M22: 14,861,052 km (0.068 R)
• M23: 15,659,307 km (0.093 R)
• M24: 16,000,240 km (0.084 R)
• M25: 16,767,677 km (0.109 R)
• M26: 17,413,491 km (0.118 R)
• M27: 19,685,883 km (0.114 R)
• M28: 20,811,009 km (0.088 R)
• M29: 28,172,421 km (0.119 R)
• M30: 30,859,198 km (0.083 R)
• M31: 31,394,759 km (0.059 R)
• M32: 38,931,499 km (0.115 R)
• M33: 43,048,433 km (0.096 R)
• M34: 43,448,757 km (0.041 R)
• M35: 43,851,474 km (0.102 R)
• M36: 44,256,585 km (0.117 R)
• M37: 46,599,886 km (0.109 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 16,916 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit