🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.7

Radius: 14.7

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.58 AU - 0.74 AU

Year: 377 Days

Day: 5.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,129,788 km

• M1: 182,809 km (0.096 R)
• M2: 647,310 km (0.07 R)
• M3: 1,113,158 km (0.103 R)
• M4: 1,782,010 km (0.09 R)
• M5: 2,325,050 km (0.106 R)
• M6: 3,485,032 km (0.037 R)
• M7: 4,254,713 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.7

Radius: 14.1

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.73 AU - 0.75 AU

Year: 447 Days

Day: 8.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,129,788 km

• M1: 175,777 km (0.082 R)
• M2: 644,468 km (0.08 R)
• M3: 1,245,402 km (0.06 R)
• M4: 1,932,655 km (0.066 R)
• M5: 2,789,402 km (0.07 R)
• M6: 3,471,867 km (0.095 R)
• M7: 4,079,384 km (0.056 R)
• M8: 5,189,700 km (0.083 R)
• M9: 5,807,240 km (0.027 R)
• M10: 6,667,577 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.9

Radius: 9.4

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.95 AU - 1.25 AU

Year: 811 Days

Day: 12.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,129,788 km

• M1: 117,285 km (0.09 R)
• M2: 676,332 km (0.119 R)
• M3: 1,389,914 km (0.109 R)
• M4: 1,720,226 km (0.086 R)
• M5: 2,033,933 km (0.101 R)
• M6: 2,342,553 km (0.08 R)
• M7: 2,766,813 km (0.117 R)
• M8: 3,421,154 km (0.037 R)
• M9: 4,371,699 km (0.108 R)
• M10: 4,766,188 km (0.108 R)
• M11: 5,489,195 km (0.027 R)
• M12: 6,326,344 km (0.101 R)
• M13: 6,922,641 km (0.105 R)
• M14: 7,628,594 km (0.059 R)
• M15: 7,999,148 km (0.103 R)
• M16: 8,433,730 km (0.119 R)
• M17: 8,910,797 km (0.086 R)
• M18: 9,462,065 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.2

Radius: 9.9

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.34 AU - 2.18 AU

Year: 1641 Days

Day: 6.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,129,788 km

• M1: 124,166 km (0.027 R)
• M2: 510,129 km (0.065 R)
• M3: 836,850 km (0.08 R)
• M4: 1,276,668 km (0.065 R)
• M5: 1,835,865 km (0.062 R)
• M6: 2,185,026 km (0.093 R)
• M7: 3,282,028 km (0.085 R)
• M8: 3,800,983 km (0.049 R)
• M9: 5,692,349 km (0.03 R)
• M10: 6,096,263 km (0.115 R)
• M11: 6,493,744 km (0.108 R)
• M12: 7,935,868 km (0.088 R)
• M13: 8,562,533 km (0.059 R)
• M14: 8,966,896 km (0.101 R)
• M15: 9,982,516 km (0.081 R)
• M16: 10,571,184 km (0.117 R)
• M17: 12,595,542 km (0.113 R)
• M18: 13,406,961 km (0.053 R)
• M19: 14,732,997 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375

Radius: 9.5

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.96 AU - 1.98 AU

Year: 1944 Days

Day: 13 Hours

Environment

Temp: -194 °C

Axial Tilt: 159.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,129,788 km

• M1: 119,230 km (0.069 R)
• M2: 429,645 km (0.102 R)
• M3: 757,414 km (0.11 R)
• M4: 1,578,258 km (0.12 R)
• M5: 2,311,138 km (0.112 R)
• M6: 2,609,884 km (0.105 R)
• M7: 2,976,998 km (0.086 R)
• M8: 3,633,134 km (0.099 R)
• M9: 4,092,549 km (0.064 R)
• M10: 4,401,469 km (0.089 R)
• M11: 4,824,382 km (0.074 R)
• M12: 5,729,598 km (0.116 R)
• M13: 6,187,518 km (0.032 R)
• M14: 6,894,667 km (0.044 R)
• M15: 8,239,103 km (0.12 R)
• M16: 9,341,041 km (0.088 R)
• M17: 9,814,668 km (0.096 R)
• M18: 10,844,499 km (0.096 R)
• M19: 11,226,722 km (0.09 R)
• M20: 11,653,973 km (0.046 R)
• M21: 12,091,996 km (0.092 R)
• M22: 12,654,933 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.7

Radius: 13.5

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.43 AU - 3.41 AU

Year: 3507 Days

Day: 14.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,129,788 km

• M1: 167,849 km (0.094 R)
• M2: 620,083 km (0.093 R)
• M3: 1,422,676 km (0.086 R)
• M4: 2,768,309 km (0.084 R)
• M5: 3,408,288 km (0.058 R)
• M6: 3,867,853 km (0.108 R)
• M7: 5,502,210 km (0.085 R)
• M8: 6,519,326 km (0.118 R)
• M9: 13,178,525 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636

Radius: 12.6

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.35 AU - 5.37 AU

Year: 7531 Days

Day: 14.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,129,788 km

• M1: 159,322 km (0.076 R)
• M2: 567,126 km (0.093 R)
• M3: 1,058,555 km (0.043 R)
• M4: 1,492,388 km (0.109 R)
• M5: 2,093,622 km (0.037 R)
• M6: 2,623,947 km (0.107 R)
• M7: 5,004,498 km (0.067 R)
• M8: 5,703,269 km (0.081 R)
• M9: 10,405,429 km (0.088 R)
• M10: 15,778,536 km (0.097 R)
• M11: 16,420,461 km (0.091 R)
• M12: 17,688,003 km (0.081 R)
• M13: 19,600,163 km (0.07 R)
• M14: 20,492,964 km (0.103 R)
• M15: 22,359,347 km (0.089 R)
• M16: 22,843,146 km (0.038 R)
• M17: 32,484,130 km (0.07 R)
• M18: 35,015,775 km (0.076 R)
• M19: 37,336,487 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 760.5

Radius: 4.9

Gravity: 31.67 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.76 AU - 7.08 AU

Year: 11434 Days

Day: 17.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 29,129,788 km

• M1: 62,382 km (0.118 R)
• M2: 415,433 km (0.117 R)
• M3: 810,372 km (0.082 R)
• M4: 1,035,965 km (0.12 R)
• M5: 2,919,702 km (0.108 R)
• M6: 3,178,805 km (0.068 R)
• M7: 3,907,646 km (0.074 R)
• M8: 5,100,390 km (0.104 R)
• M9: 5,511,634 km (0.096 R)
• M10: 5,761,463 km (0.105 R)
• M11: 6,517,231 km (0.092 R)
• M12: 7,001,330 km (0.11 R)
• M13: 7,816,190 km (0.117 R)
• M14: 7,995,408 km (0.057 R)
• M15: 8,223,395 km (0.097 R)
• M16: 9,328,624 km (0.109 R)
• M17: 9,735,081 km (0.103 R)
• M18: 9,942,723 km (0.036 R)
• M19: 10,366,983 km (0.044 R)
• M20: 10,914,062 km (0.066 R)
• M21: 13,043,588 km (0.117 R)
• M22: 13,876,100 km (0.047 R)
• M23: 17,181,914 km (0.104 R)
• M24: 25,295,354 km (0.11 R)
• M25: 27,094,867 km (0.094 R)
• M26: 30,170,450 km (0.114 R)
• M27: 35,269,044 km (0.101 R)
• M28: 37,383,461 km (0.039 R)
• M29: 39,580,904 km (0.096 R)
• M30: 47,724,414 km (0.068 R)
• M31: 48,023,609 km (0.04 R)
• M32: 48,625,591 km (0.046 R)
• M33: 48,928,527 km (0.118 R)
• M34: 51,397,041 km (0.095 R)
• M35: 53,624,254 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.2

Radius: 4.4

Gravity: 38.7 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.17 AU - 8.31 AU

Year: 12300 Days

Day: 24.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,129,788 km

• M1: 54,753 km (0.087 R)
• M2: 213,476 km (0.115 R)
• M3: 449,392 km (0.05 R)
• M4: 725,998 km (0.113 R)
• M5: 887,714 km (0.12 R)
• M6: 1,108,819 km (0.061 R)
• M7: 1,808,189 km (0.039 R)
• M8: 2,017,028 km (0.057 R)
• M9: 2,165,130 km (0.111 R)
• M10: 3,138,115 km (0.069 R)
• M11: 5,147,364 km (0.089 R)
• M12: 5,496,076 km (0.116 R)
• M13: 6,596,668 km (0.07 R)
• M14: 9,895,301 km (0.103 R)
• M15: 11,569,301 km (0.118 R)
• M16: 13,229,388 km (0.083 R)
• M17: 23,380,352 km (0.108 R)
• M18: 24,237,099 km (0.083 R)
• M19: 24,819,783 km (0.086 R)
• M20: 44,158,748 km (0.112 R)
• M21: 56,016,773 km (0.052 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.4

Radius: 5.8

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 9.01 AU - 9.03 AU

Year: 19042 Days

Day: 19 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,129,788 km

• M1: 94,695 km (0.069 R)
• M2: 489,035 km (0.054 R)
• M3: 6,380,050 km (0.059 R)
• M4: 8,388,102 km (0.1 R)
• M5: 9,411,800 km (0.069 R)
• M6: 24,129,987 km (0.102 R)
• M7: 27,757,287 km (0.113 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 13,891 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit