🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.1

Radius: 13

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.79 AU - 0.81 AU

Year: 477 Days

Day: 5.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,558,831 km

• M1: 161,715 km (0.098 R)
• M2: 618,886 km (0.103 R)
• M3: 1,108,670 km (0.099 R)
• M4: 1,570,030 km (0.061 R)
• M5: 2,022,563 km (0.065 R)
• M6: 2,492,600 km (0.118 R)
• M7: 3,025,767 km (0.032 R)
• M8: 3,566,862 km (0.036 R)
• M9: 4,011,467 km (0.057 R)
• M10: 4,519,651 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.3

Radius: 13.4

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.91 AU - 1.03 AU

Year: 637 Days

Day: 9.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,558,831 km

• M1: 166,802 km (0.04 R)
• M2: 694,134 km (0.049 R)
• M3: 1,154,148 km (0.117 R)
• M4: 1,737,130 km (0.058 R)
• M5: 2,208,663 km (0.067 R)
• M6: 2,628,135 km (0.066 R)
• M7: 3,134,075 km (0.047 R)
• M8: 3,607,253 km (0.057 R)
• M9: 4,088,510 km (0.078 R)
• M10: 5,275,569 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.6

Radius: 8

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.99 AU - 1.03 AU

Year: 677 Days

Day: 6.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,558,831 km

• M1: 99,483 km (0.101 R)
• M2: 407,654 km (0.078 R)
• M3: 665,262 km (0.087 R)
• M4: 933,491 km (0.048 R)
• M5: 1,217,278 km (0.074 R)
• M6: 1,757,326 km (0.107 R)
• M7: 2,245,464 km (0.064 R)
• M8: 2,532,692 km (0.113 R)
• M9: 2,985,674 km (0.093 R)
• M10: 3,505,078 km (0.071 R)
• M11: 3,864,711 km (0.086 R)
• M12: 4,173,033 km (0.12 R)
• M13: 4,545,531 km (0.094 R)
• M14: 5,592,866 km (0.043 R)
• M15: 6,026,849 km (0.118 R)
• M16: 7,004,920 km (0.107 R)
• M17: 7,577,132 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.7

Radius: 13.7

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.02 AU - 1.26 AU

Year: 812 Days

Day: 13.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,558,831 km

• M1: 170,392 km (0.116 R)
• M2: 632,799 km (0.03 R)
• M3: 1,334,712 km (0.106 R)
• M4: 1,795,324 km (0.089 R)
• M5: 2,926,134 km (0.074 R)
• M6: 3,450,624 km (0.032 R)
• M7: 4,022,238 km (0.092 R)
• M8: 4,487,787 km (0.099 R)
• M9: 6,442,432 km (0.117 R)
• M10: 8,111,346 km (0.118 R)
• M11: 8,727,241 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.8

Radius: 11.4

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.37 AU - 1.57 AU

Year: 1189 Days

Day: 10.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,558,831 km

• M1: 142,118 km (0.085 R)
• M2: 499,208 km (0.089 R)
• M3: 1,001,408 km (0.095 R)
• M4: 1,475,185 km (0.103 R)
• M5: 2,154,509 km (0.07 R)
• M6: 2,928,678 km (0.074 R)
• M7: 3,495,504 km (0.029 R)
• M8: 4,820,492 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.5

Radius: 11.7

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.06 AU - 4.66 AU

Year: 5057 Days

Day: 6.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 67,558,831 km

• M1: 156,779 km (0.045 R)
• M2: 819,198 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.6

Radius: 11.8

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.64 AU - 5.54 AU

Year: 6558 Days

Day: 13.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 71.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,558,831 km

• M1: 187,745 km (0.057 R)
• M2: 1,190,649 km (0.081 R)
• M3: 2,475,695 km (0.06 R)
• M4: 2,890,231 km (0.119 R)
• M5: 3,910,189 km (0.116 R)
• M6: 4,476,417 km (0.068 R)
• M7: 5,397,192 km (0.055 R)
• M8: 7,157,510 km (0.108 R)
• M9: 7,967,134 km (0.067 R)
• M10: 10,618,606 km (0.108 R)
• M11: 11,061,715 km (0.083 R)
• M12: 12,037,841 km (0.112 R)
• M13: 15,374,024 km (0.115 R)
• M14: 21,699,919 km (0.11 R)
• M15: 23,724,427 km (0.095 R)
• M16: 27,958,944 km (0.051 R)
• M17: 29,766,087 km (0.086 R)
• M18: 34,354,553 km (0.106 R)
• M19: 36,760,685 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333

Radius: 6

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.57 AU - 6.43 AU

Year: 9801 Days

Day: 22.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,558,831 km

• M1: 74,949 km (0.084 R)
• M2: 305,778 km (0.102 R)
• M3: 600,635 km (0.086 R)
• M4: 838,047 km (0.102 R)
• M5: 1,056,759 km (0.093 R)
• M6: 1,420,432 km (0.074 R)
• M7: 1,820,606 km (0.066 R)
• M8: 2,883,499 km (0.075 R)
• M9: 3,927,692 km (0.109 R)
• M10: 4,939,871 km (0.115 R)
• M11: 5,262,853 km (0.059 R)
• M12: 5,725,859 km (0.105 R)
• M13: 7,129,984 km (0.117 R)
• M14: 7,619,468 km (0.089 R)
• M15: 8,050,909 km (0.113 R)
• M16: 8,539,944 km (0.059 R)
• M17: 8,962,408 km (0.086 R)
• M18: 10,172,805 km (0.091 R)
• M19: 12,749,628 km (0.028 R)
• M20: 13,697,031 km (0.11 R)
• M21: 14,870,776 km (0.107 R)
• M22: 15,482,183 km (0.089 R)
• M23: 15,856,926 km (0.115 R)
• M24: 17,551,121 km (0.104 R)
• M25: 17,754,126 km (0.111 R)
• M26: 19,797,633 km (0.064 R)
• M27: 20,989,628 km (0.101 R)
• M28: 21,448,595 km (0.113 R)
• M29: 22,228,598 km (0.069 R)
• M30: 23,433,908 km (0.057 R)
• M31: 26,503,058 km (0.065 R)
• M32: 28,041,223 km (0.07 R)
• M33: 28,973,368 km (0.082 R)
• M34: 30,312,867 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.6

Radius: 4.8

Gravity: 27.93 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 7.11 AU - 7.93 AU

Year: 13752 Days

Day: 17.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,558,831 km

• M1: 61,485 km (0.099 R)
• M2: 247,734 km (0.072 R)
• M3: 685,757 km (0.064 R)
• M4: 923,019 km (0.1 R)
• M5: 1,126,771 km (0.118 R)
• M6: 1,705,266 km (0.096 R)
• M7: 2,632,474 km (0.12 R)
• M8: 5,170,402 km (0.105 R)
• M9: 7,008,959 km (0.119 R)
• M10: 7,981,495 km (0.105 R)
• M11: 10,190,308 km (0.101 R)
• M12: 11,492,856 km (0.095 R)
• M13: 17,347,070 km (0.064 R)
• M14: 22,252,384 km (0.038 R)
• M15: 24,234,406 km (0.084 R)
• M16: 25,318,093 km (0.12 R)
• M17: 26,951,702 km (0.078 R)
• M18: 28,114,526 km (0.112 R)
• M19: 28,437,508 km (0.106 R)
• M20: 32,389,136 km (0.088 R)
• M21: 32,981,992 km (0.094 R)
• M22: 37,335,889 km (0.088 R)
• M23: 37,726,040 km (0.106 R)
• M24: 39,717,337 km (0.078 R)
• M25: 40,396,362 km (0.033 R)
• M26: 51,692,347 km (0.06 R)
• M27: 56,162,930 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 444.5

Radius: 3.9

Gravity: 29.22 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 8.12 AU - 11.68 AU

Year: 20772 Days

Day: 17 Hours

Environment

Temp: -239 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 67,558,831 km

• M1: 48,619 km (0.064 R)
• M2: 630,106 km (0.036 R)
• M3: 1,078,301 km (0.098 R)
• M4: 1,262,606 km (0.076 R)
• M5: 1,514,678 km (0.103 R)
• M6: 1,907,971 km (0.116 R)
• M7: 2,796,732 km (0.074 R)
• M8: 3,304,467 km (0.103 R)
• M9: 3,440,452 km (0.087 R)
• M10: 3,665,896 km (0.047 R)
• M11: 4,084,022 km (0.055 R)
• M12: 4,633,644 km (0.098 R)
• M13: 5,491,289 km (0.101 R)
• M14: 5,643,879 km (0.115 R)
• M15: 6,118,703 km (0.101 R)
• M16: 7,238,143 km (0.087 R)
• M17: 8,187,192 km (0.069 R)
• M18: 11,465,330 km (0.097 R)
• M19: 12,354,540 km (0.116 R)
• M20: 15,072,584 km (0.115 R)
• M21: 16,138,169 km (0.104 R)
• M22: 18,333,069 km (0.083 R)
• M23: 18,674,153 km (0.097 R)
• M24: 19,194,005 km (0.109 R)
• M25: 22,908,072 km (0.117 R)
• M26: 25,668,900 km (0.054 R)
• M27: 27,184,027 km (0.078 R)
• M28: 28,872,539 km (0.097 R)
• M29: 33,081,624 km (0.052 R)
• M30: 36,460,442 km (0.057 R)
• M31: 38,649,956 km (0.091 R)
• M32: 39,210,799 km (0.079 R)
• M33: 40,636,466 km (0.109 R)
• M34: 42,540,997 km (0.101 R)
• M35: 43,439,781 km (0.044 R)
• M36: 46,527,032 km (0.088 R)
• M37: 50,587,567 km (0.099 R)
• M38: 51,765,501 km (0.054 R)
• M39: 55,231,534 km (0.025 R)
• M40: 60,151,359 km (0.082 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 13,119 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit