🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.8

Radius: 10.6

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.72 AU - 1.1 AU

Year: 599 Days

Day: 14.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,622,019 km

• M1: 131,796 km (0.092 R)
• M2: 692,189 km (0.098 R)
• M3: 1,041,201 km (0.112 R)
• M4: 1,373,009 km (0.106 R)
• M5: 1,737,280 km (0.104 R)
• M6: 2,112,920 km (0.083 R)
• M7: 2,560,368 km (0.11 R)
• M8: 3,355,779 km (0.093 R)
• M9: 3,692,375 km (0.054 R)
• M10: 4,051,709 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.5

Radius: 12.7

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.24 AU - 1.26 AU

Year: 965 Days

Day: 14.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,622,019 km

• M1: 159,771 km (0.08 R)
• M2: 565,630 km (0.098 R)
• M3: 981,063 km (0.054 R)
• M4: 2,035,877 km (0.11 R)
• M5: 2,546,455 km (0.089 R)
• M6: 2,954,109 km (0.104 R)
• M7: 3,993,515 km (0.065 R)
• M8: 4,887,961 km (0.055 R)
• M9: 6,297,023 km (0.079 R)
• M10: 6,785,909 km (0.081 R)
• M11: 8,533,661 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.6

Radius: 14.9

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.59 AU - 1.91 AU

Year: 1598 Days

Day: 8.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,622,019 km

• M1: 194,477 km (0.096 R)
• M2: 899,682 km (0.085 R)
• M3: 1,553,873 km (0.11 R)
• M4: 2,069,986 km (0.041 R)
• M5: 3,320,026 km (0.116 R)
• M6: 4,049,764 km (0.103 R)
• M7: 7,753,807 km (0.059 R)
• M8: 9,356,000 km (0.048 R)
• M9: 10,235,486 km (0.077 R)
• M10: 12,425,898 km (0.084 R)
• M11: 13,692,544 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.9

Radius: 9.4

Gravity: 10.31 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.41 AU - 3.51 AU

Year: 3515 Days

Day: 5 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,622,019 km

• M1: 116,986 km (0.03 R)
• M2: 520,451 km (0.045 R)
• M3: 965,355 km (0.078 R)
• M4: 1,296,116 km (0.092 R)
• M5: 1,608,476 km (0.059 R)
• M6: 2,039,468 km (0.106 R)
• M7: 2,343,301 km (0.065 R)
• M8: 2,644,442 km (0.072 R)
• M9: 3,135,721 km (0.109 R)
• M10: 3,502,984 km (0.095 R)
• M11: 4,096,887 km (0.109 R)
• M12: 4,513,069 km (0.091 R)
• M13: 5,650,312 km (0.113 R)
• M14: 6,137,402 km (0.091 R)
• M15: 6,968,568 km (0.108 R)
• M16: 7,327,902 km (0.05 R)
• M17: 8,262,889 km (0.09 R)
• M18: 9,392,802 km (0.099 R)
• M19: 12,002,836 km (0.111 R)
• M20: 16,799,542 km (0.091 R)
• M21: 18,356,856 km (0.077 R)
• M22: 18,792,185 km (0.061 R)
• M23: 21,005,037 km (0.067 R)
• M24: 23,386,037 km (0.071 R)
• M25: 23,824,059 km (0.092 R)
• M26: 24,119,216 km (0.075 R)
• M27: 26,253,828 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.6

Radius: 11.7

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.53 AU - 3.57 AU

Year: 4617 Days

Day: 5.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,622,019 km

• M1: 145,559 km (0.046 R)
• M2: 556,354 km (0.093 R)
• M3: 1,283,400 km (0.096 R)
• M4: 1,860,848 km (0.105 R)
• M5: 2,666,881 km (0.072 R)
• M6: 3,271,556 km (0.065 R)
• M7: 3,635,378 km (0.112 R)
• M8: 4,232,573 km (0.112 R)
• M9: 4,643,817 km (0.107 R)
• M10: 5,347,974 km (0.095 R)
• M11: 5,961,326 km (0.113 R)
• M12: 6,507,956 km (0.038 R)
• M13: 6,881,053 km (0.064 R)
• M14: 7,860,770 km (0.068 R)
• M15: 8,826,873 km (0.109 R)
• M16: 9,284,941 km (0.075 R)
• M17: 11,156,112 km (0.066 R)
• M18: 12,288,567 km (0.058 R)
• M19: 13,449,896 km (0.071 R)
• M20: 14,200,129 km (0.094 R)
• M21: 17,814,713 km (0.076 R)
• M22: 19,066,847 km (0.078 R)
• M23: 19,833,835 km (0.119 R)
• M24: 20,437,762 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.4

Radius: 14.3

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.83 AU - 5.05 AU

Year: 6458 Days

Day: 8.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,622,019 km

• M1: 177,872 km (0.081 R)
• M2: 663,467 km (0.099 R)
• M3: 1,184,366 km (0.046 R)
• M4: 1,723,068 km (0.066 R)
• M5: 2,970,715 km (0.07 R)
• M6: 6,313,928 km (0.102 R)
• M7: 7,031,848 km (0.101 R)
• M8: 8,428,942 km (0.108 R)
• M9: 10,004,208 km (0.088 R)
• M10: 11,717,852 km (0.076 R)
• M11: 12,175,322 km (0.118 R)
• M12: 13,289,377 km (0.066 R)
• M13: 15,356,072 km (0.099 R)
• M14: 17,828,326 km (0.099 R)
• M15: 18,298,812 km (0.087 R)
• M16: 20,118,819 km (0.094 R)
• M17: 23,953,910 km (0.112 R)
• M18: 25,701,064 km (0.038 R)
• M19: 29,169,042 km (0.119 R)
• M20: 31,354,367 km (0.079 R)
• M21: 32,536,789 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86

Radius: 13.4

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.97 AU - 5.05 AU

Year: 6611 Days

Day: 5.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,622,019 km

• M1: 167,699 km (0.047 R)
• M2: 736,171 km (0.071 R)
• M3: 1,278,912 km (0.079 R)
• M4: 1,957,937 km (0.111 R)
• M5: 2,382,346 km (0.109 R)
• M6: 3,235,353 km (0.037 R)
• M7: 3,854,539 km (0.078 R)
• M8: 4,787,730 km (0.077 R)
• M9: 5,402,727 km (0.109 R)
• M10: 6,121,395 km (0.116 R)
• M11: 8,026,823 km (0.104 R)
• M12: 8,964,054 km (0.033 R)
• M13: 10,598,560 km (0.078 R)
• M14: 11,407,586 km (0.099 R)
• M15: 12,051,305 km (0.105 R)
• M16: 13,236,120 km (0.092 R)
• M17: 13,947,159 km (0.078 R)
• M18: 16,536,848 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 888.4

Radius: 3.3

Gravity: 81.58 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.93 AU - 8.63 AU

Year: 13558 Days

Day: 17.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,622,019 km

• M1: 42,336 km (0.068 R)
• M2: 175,179 km (0.096 R)
• M3: 349,909 km (0.028 R)
• M4: 799,451 km (0.106 R)
• M5: 1,328,878 km (0.106 R)
• M6: 2,490,206 km (0.104 R)
• M7: 3,076,779 km (0.112 R)
• M8: 3,335,285 km (0.105 R)
• M9: 5,756,526 km (0.077 R)
• M10: 6,558,520 km (0.059 R)
• M11: 6,812,986 km (0.115 R)
• M12: 8,088,308 km (0.095 R)
• M13: 9,514,275 km (0.061 R)
• M14: 10,061,803 km (0.065 R)
• M15: 10,400,194 km (0.086 R)
• M16: 13,453,037 km (0.114 R)
• M17: 14,853,872 km (0.08 R)
• M18: 15,814,888 km (0.062 R)
• M19: 16,503,936 km (0.113 R)
• M20: 17,212,731 km (0.088 R)
• M21: 19,030,345 km (0.11 R)
• M22: 19,721,936 km (0.085 R)
• M23: 25,450,487 km (0.075 R)
• M24: 33,548,220 km (0.094 R)
• M25: 38,377,838 km (0.103 R)
• M26: 53,023,170 km (0.055 R)
• M27: 54,045,372 km (0.111 R)
• M28: 59,902,877 km (0.07 R)
• M29: 63,078,989 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442.3

Radius: 4.3

Gravity: 23.92 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 8.59 AU - 10.81 AU

Year: 20853 Days

Day: 22.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 67,622,019 km

• M1: 53,706 km (0.073 R)
• M2: 554,559 km (0.102 R)
• M3: 763,248 km (0.12 R)
• M4: 1,227,451 km (0.081 R)
• M5: 1,443,470 km (0.088 R)
• M6: 1,859,651 km (0.11 R)
• M7: 2,008,501 km (0.116 R)
• M8: 2,246,810 km (0.115 R)
• M9: 2,732,704 km (0.052 R)
• M10: 3,258,840 km (0.063 R)
• M11: 3,879,372 km (0.068 R)
• M12: 4,575,451 km (0.051 R)
• M13: 6,334,572 km (0.087 R)
• M14: 6,759,879 km (0.103 R)
• M15: 7,023,919 km (0.107 R)
• M16: 9,016,563 km (0.099 R)
• M17: 9,282,697 km (0.105 R)
• M18: 9,775,024 km (0.098 R)
• M19: 10,693,106 km (0.101 R)
• M20: 10,991,404 km (0.11 R)
• M21: 12,435,473 km (0.096 R)
• M22: 12,632,643 km (0.071 R)
• M23: 15,617,719 km (0.101 R)
• M24: 16,470,576 km (0.118 R)
• M25: 16,868,506 km (0.043 R)
• M26: 18,867,583 km (0.101 R)
• M27: 22,541,108 km (0.067 R)
• M28: 22,932,755 km (0.07 R)
• M29: 24,544,822 km (0.109 R)
• M30: 24,959,358 km (0.082 R)
• M31: 25,483,997 km (0.091 R)
• M32: 26,446,959 km (0.109 R)
• M33: 30,303,741 km (0.035 R)
• M34: 31,505,611 km (0.096 R)
• M35: 44,088,886 km (0.104 R)
• M36: 46,730,336 km (0.1 R)
• M37: 50,136,530 km (0.085 R)
• M38: 51,476,478 km (0.116 R)
• M39: 53,012,249 km (0.1 R)
• M40: 56,354,116 km (0.102 R)
• M41: 64,234,334 km (0.06 R)
• M42: 65,218,688 km (0.091 R)
• M43: 65,416,755 km (0.113 R)
• M44: 67,621,978 km (0.112 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: 534 - 13,244 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit