🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.5

Radius: 14.7

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.7 AU - 0.7 AU

Year: 412 Days

Day: 12.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,147,899 km

• M1: 184,753 km (0.096 R)
• M2: 684,859 km (0.081 R)
• M3: 1,435,691 km (0.096 R)
• M4: 1,962,874 km (0.107 R)
• M5: 2,474,349 km (0.075 R)
• M6: 3,322,419 km (0.092 R)
• M7: 3,809,510 km (0.117 R)
• M8: 4,561,239 km (0.113 R)
• M9: 5,046,834 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.3

Radius: 9.8

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.81 AU - 0.91 AU

Year: 561 Days

Day: 12.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,147,899 km

• M1: 121,922 km (0.032 R)
• M2: 874,100 km (0.1 R)
• M3: 1,273,227 km (0.095 R)
• M4: 1,652,757 km (0.115 R)
• M5: 2,036,625 km (0.108 R)
• M6: 2,752,002 km (0.11 R)
• M7: 3,103,109 km (0.097 R)
• M8: 3,407,839 km (0.077 R)
• M9: 3,759,694 km (0.111 R)
• M10: 4,296,002 km (0.114 R)
• M11: 4,739,111 km (0.096 R)
• M12: 5,062,242 km (0.11 R)
• M13: 5,469,448 km (0.055 R)
• M14: 6,254,089 km (0.099 R)
• M15: 6,763,769 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.2

Radius: 15

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.99 AU - 1.15 AU

Year: 778 Days

Day: 12 Hours

Environment

Temp: -177 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,147,899 km

• M1: 187,147 km (0.096 R)
• M2: 726,148 km (0.079 R)
• M3: 1,549,236 km (0.057 R)
• M4: 2,206,569 km (0.083 R)
• M5: 2,692,014 km (0.095 R)
• M6: 3,380,912 km (0.112 R)
• M7: 3,928,590 km (0.077 R)
• M8: 5,204,959 km (0.09 R)
• M9: 5,880,692 km (0.097 R)
• M10: 6,829,143 km (0.063 R)
• M11: 8,266,330 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298

Radius: 8.7

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.43 AU - 3.21 AU

Year: 3329 Days

Day: 14.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,147,899 km

• M1: 109,206 km (0.068 R)
• M2: 430,842 km (0.104 R)
• M3: 857,944 km (0.045 R)
• M4: 1,687,913 km (0.1 R)
• M5: 2,098,260 km (0.099 R)
• M6: 2,559,919 km (0.106 R)
• M7: 5,047,133 km (0.111 R)
• M8: 6,633,020 km (0.118 R)
• M9: 7,363,656 km (0.092 R)
• M10: 7,688,433 km (0.09 R)
• M11: 9,084,779 km (0.102 R)
• M12: 9,913,851 km (0.083 R)
• M13: 10,605,442 km (0.114 R)
• M14: 11,367,643 km (0.106 R)
• M15: 12,003,284 km (0.038 R)
• M16: 14,008,045 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.1

Radius: 13.5

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.64 AU - 4.08 AU

Year: 4329 Days

Day: 6.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,147,899 km

• M1: 183,706 km (0.111 R)
• M2: 637,736 km (0.114 R)
• M3: 1,325,138 km (0.065 R)
• M4: 2,696,950 km (0.062 R)
• M5: 3,322,569 km (0.09 R)
• M6: 3,830,304 km (0.036 R)
• M7: 4,957,823 km (0.105 R)
• M8: 5,749,345 km (0.045 R)
• M9: 7,283,920 km (0.102 R)
• M10: 7,799,883 km (0.11 R)
• M11: 8,837,943 km (0.026 R)
• M12: 9,390,408 km (0.048 R)
• M13: 10,718,239 km (0.09 R)
• M14: 12,336,738 km (0.072 R)
• M15: 12,809,168 km (0.086 R)
• M16: 13,562,992 km (0.101 R)
• M17: 14,299,312 km (0.045 R)
• M18: 14,820,811 km (0.094 R)
• M19: 16,053,647 km (0.101 R)
• M20: 16,617,331 km (0.03 R)
• M21: 17,247,139 km (0.104 R)
• M22: 18,666,673 km (0.077 R)
• M23: 19,233,050 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.4

Radius: 9.4

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.3 AU - 4.96 AU

Year: 5900 Days

Day: 10.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,147,899 km

• M1: 117,434 km (0.099 R)
• M2: 447,896 km (0.073 R)
• M3: 975,229 km (0.12 R)
• M4: 1,354,609 km (0.049 R)
• M5: 2,294,831 km (0.105 R)
• M6: 2,905,340 km (0.101 R)
• M7: 3,641,212 km (0.073 R)
• M8: 4,997,317 km (0.108 R)
• M9: 6,200,832 km (0.109 R)
• M10: 6,537,726 km (0.111 R)
• M11: 8,080,828 km (0.11 R)
• M12: 8,784,237 km (0.107 R)
• M13: 9,288,681 km (0.042 R)
• M14: 12,248,026 km (0.092 R)
• M15: 13,026,384 km (0.081 R)
• M16: 14,789,096 km (0.069 R)
• M17: 15,336,475 km (0.1 R)
• M18: 18,466,212 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453

Radius: 3.4

Gravity: 39.19 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.9 AU - 7.42 AU

Year: 12081 Days

Day: 15.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,147,899 km

• M1: 42,336 km (0.101 R)
• M2: 163,959 km (0.099 R)
• M3: 283,189 km (0.111 R)
• M4: 480,658 km (0.074 R)
• M5: 588,668 km (0.063 R)
• M6: 704,756 km (0.047 R)
• M7: 817,852 km (0.114 R)
• M8: 973,882 km (0.109 R)
• M9: 1,081,293 km (0.098 R)
• M10: 1,564,195 km (0.095 R)
• M11: 5,375,201 km (0.101 R)
• M12: 6,697,197 km (0.104 R)
• M13: 7,048,752 km (0.098 R)
• M14: 7,453,564 km (0.09 R)
• M15: 7,959,654 km (0.106 R)
• M16: 11,431,671 km (0.041 R)
• M17: 15,725,878 km (0.111 R)
• M18: 16,555,996 km (0.036 R)
• M19: 17,560,995 km (0.1 R)
• M20: 18,682,081 km (0.067 R)
• M21: 23,024,758 km (0.041 R)
• M22: 24,183,992 km (0.108 R)
• M23: 25,947,601 km (0.114 R)
• M24: 26,811,978 km (0.101 R)
• M25: 27,300,564 km (0.081 R)
• M26: 32,960,001 km (0.061 R)
• M27: 34,087,221 km (0.1 R)
• M28: 34,545,140 km (0.119 R)
• M29: 38,481,359 km (0.097 R)
• M30: 39,983,621 km (0.111 R)
• M31: 42,706,003 km (0.105 R)
• M32: 46,104,867 km (0.043 R)
• M33: 47,371,363 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.8

Radius: 5.3

Gravity: 10.82 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 7.79 AU - 9.49 AU

Year: 17852 Days

Day: 21.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,147,899 km

• M1: 65,973 km (0.093 R)
• M2: 233,073 km (0.107 R)
• M3: 549,323 km (0.117 R)
• M4: 3,989,775 km (0.091 R)
• M5: 5,193,739 km (0.036 R)
• M6: 5,572,969 km (0.026 R)
• M7: 6,233,145 km (0.034 R)
• M8: 7,067,751 km (0.1 R)
• M9: 7,576,683 km (0.073 R)
• M10: 7,795,844 km (0.116 R)
• M11: 8,109,850 km (0.087 R)
• M12: 9,400,431 km (0.085 R)
• M13: 14,617,058 km (0.082 R)
• M14: 15,511,953 km (0.112 R)
• M15: 16,224,787 km (0.069 R)
• M16: 17,792,273 km (0.074 R)
• M17: 20,539,788 km (0.118 R)
• M18: 28,512,606 km (0.113 R)
• M19: 28,936,567 km (0.038 R)
• M20: 29,150,192 km (0.076 R)
• M21: 30,785,895 km (0.115 R)
• M22: 31,909,675 km (0.119 R)
• M23: 32,252,104 km (0.093 R)
• M24: 36,305,608 km (0.093 R)
• M25: 36,803,769 km (0.091 R)
• M26: 41,629,647 km (0.055 R)
• M27: 44,689,970 km (0.116 R)
• M28: 46,129,401 km (0.115 R)
• M29: 48,496,189 km (0.073 R)
• M30: 48,948,872 km (0.106 R)
• M31: 52,830,787 km (0.049 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399.7

Radius: 4.9

Gravity: 16.65 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 8.04 AU - 9.3 AU

Year: 17945 Days

Day: 18.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,147,899 km

• M1: 61,634 km (0.081 R)
• M2: 233,672 km (0.031 R)
• M3: 827,725 km (0.095 R)
• M4: 1,250,040 km (0.108 R)
• M5: 1,656,348 km (0.065 R)
• M6: 3,005,571 km (0.058 R)
• M7: 4,628,857 km (0.103 R)
• M8: 5,887,574 km (0.07 R)
• M9: 6,433,456 km (0.037 R)
• M10: 6,843,654 km (0.094 R)
• M11: 7,670,631 km (0.096 R)
• M12: 8,321,232 km (0.109 R)
• M13: 11,061,117 km (0.083 R)
• M14: 15,695,958 km (0.063 R)
• M15: 17,673,492 km (0.095 R)
• M16: 19,725,826 km (0.064 R)
• M17: 22,858,405 km (0.054 R)
• M18: 26,722,069 km (0.039 R)
• M19: 31,230,201 km (0.107 R)
• M20: 34,336,900 km (0.1 R)
• M21: 41,715,366 km (0.062 R)
• M22: 49,451,521 km (0.036 R)
• M23: 49,609,047 km (0.075 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 17,783 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit