🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.59 AU - 0.67 AU

Year: 323 Days

Day: 34.1 Hours

Environment

Temp: -121 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.62 AU - 0.66 AU

Year: 331 Days

Day: 29.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.1

Radius: 9.1

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.12 AU - 1.2 AU

Year: 807 Days

Day: 5.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,939,027 km

• M1: 113,246 km (0.044 R)
• M2: 450,738 km (0.119 R)
• M3: 799,152 km (0.104 R)
• M4: 1,252,433 km (0.111 R)
• M5: 1,675,945 km (0.094 R)
• M6: 2,012,989 km (0.069 R)
• M7: 2,406,431 km (0.074 R)
• M8: 2,740,633 km (0.117 R)
• M9: 3,105,951 km (0.092 R)
• M10: 4,139,523 km (0.084 R)
• M11: 5,031,425 km (0.116 R)
• M12: 5,445,213 km (0.094 R)
• M13: 6,384,239 km (0.054 R)
• M14: 7,052,343 km (0.095 R)
• M15: 7,865,108 km (0.088 R)
• M16: 8,191,979 km (0.099 R)
• M17: 8,765,687 km (0.076 R)
• M18: 9,171,995 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.1

Radius: 8.5

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.03 AU - 1.31 AU

Year: 817 Days

Day: 7.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,939,027 km

• M1: 105,915 km (0.08 R)
• M2: 379,679 km (0.099 R)
• M3: 720,912 km (0.081 R)
• M4: 1,347,278 km (0.074 R)
• M5: 1,724,714 km (0.066 R)
• M6: 2,050,837 km (0.111 R)
• M7: 2,330,286 km (0.119 R)
• M8: 3,083,661 km (0.03 R)
• M9: 4,246,784 km (0.069 R)
• M10: 4,882,276 km (0.062 R)
• M11: 5,346,628 km (0.08 R)
• M12: 6,150,567 km (0.099 R)
• M13: 7,456,407 km (0.083 R)
• M14: 7,871,840 km (0.086 R)
• M15: 8,510,922 km (0.105 R)
• M16: 8,776,159 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.2

Radius: 9.6

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.54 AU - 3.92 AU

Year: 3748 Days

Day: 14.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,939,027 km

• M1: 119,379 km (0.083 R)
• M2: 420,669 km (0.106 R)
• M3: 748,887 km (0.105 R)
• M4: 1,114,803 km (0.051 R)
• M5: 1,600,548 km (0.104 R)
• M6: 2,086,741 km (0.067 R)
• M7: 3,138,863 km (0.046 R)
• M8: 4,050,961 km (0.067 R)
• M9: 5,031,724 km (0.082 R)
• M10: 5,564,891 km (0.113 R)
• M11: 5,913,454 km (0.118 R)
• M12: 6,684,482 km (0.101 R)
• M13: 7,329,248 km (0.039 R)
• M14: 8,184,350 km (0.117 R)
• M15: 8,636,135 km (0.028 R)
• M16: 9,215,079 km (0.085 R)
• M17: 9,819,604 km (0.118 R)
• M18: 10,982,428 km (0.103 R)
• M19: 13,675,938 km (0.11 R)
• M20: 14,765,160 km (0.049 R)
• M21: 16,288,216 km (0.086 R)
• M22: 20,454,517 km (0.06 R)
• M23: 21,352,553 km (0.064 R)
• M24: 22,276,469 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.6

Radius: 12.1

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.94 AU - 5.42 AU

Year: 6537 Days

Day: 8.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,939,027 km

• M1: 150,495 km (0.107 R)
• M2: 534,812 km (0.043 R)
• M3: 1,921,285 km (0.075 R)
• M4: 3,337,080 km (0.038 R)
• M5: 4,539,847 km (0.087 R)
• M6: 5,788,540 km (0.104 R)
• M7: 7,318,777 km (0.083 R)
• M8: 8,659,772 km (0.114 R)
• M9: 9,679,730 km (0.089 R)
• M10: 10,444,475 km (0.081 R)
• M11: 10,990,507 km (0.04 R)
• M12: 13,811,923 km (0.114 R)
• M13: 16,969,784 km (0.089 R)
• M14: 18,624,935 km (0.112 R)
• M15: 19,366,192 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.7

Radius: 11

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.16 AU - 6.18 AU

Year: 7590 Days

Day: 12.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,939,027 km

• M1: 136,882 km (0.119 R)
• M2: 815,757 km (0.096 R)
• M3: 1,235,678 km (0.104 R)
• M4: 1,955,095 km (0.096 R)
• M5: 3,152,326 km (0.09 R)
• M6: 4,494,070 km (0.104 R)
• M7: 6,327,242 km (0.046 R)
• M8: 10,669,021 km (0.065 R)
• M9: 14,429,911 km (0.08 R)
• M10: 16,195,615 km (0.093 R)
• M11: 17,378,785 km (0.109 R)
• M12: 17,809,776 km (0.093 R)
• M13: 19,994,503 km (0.039 R)
• M14: 20,707,487 km (0.058 R)
• M15: 22,268,092 km (0.119 R)
• M16: 23,994,152 km (0.079 R)
• M17: 25,437,772 km (0.039 R)
• M18: 27,130,172 km (0.081 R)
• M19: 29,705,649 km (0.079 R)
• M20: 30,842,892 km (0.096 R)
• M21: 32,439,999 km (0.103 R)
• M22: 35,108,975 km (0.041 R)
• M23: 35,682,832 km (0.082 R)
• M24: 36,496,794 km (0.103 R)
• M25: 42,545,335 km (0.118 R)
• M26: 43,329,078 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.7

Radius: 13.6

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 4.75 AU - 6.31 AU

Year: 8397 Days

Day: 7.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,939,027 km

• M1: 169,195 km (0.069 R)
• M2: 1,603,540 km (0.094 R)
• M3: 2,392,220 km (0.087 R)
• M4: 2,906,238 km (0.082 R)
• M5: 3,383,455 km (0.07 R)
• M6: 5,169,803 km (0.091 R)
• M7: 6,005,008 km (0.102 R)
• M8: 6,645,437 km (0.052 R)
• M9: 8,264,086 km (0.116 R)
• M10: 13,245,395 km (0.106 R)
• M11: 19,285,410 km (0.107 R)
• M12: 23,103,596 km (0.107 R)
• M13: 24,173,221 km (0.071 R)
• M14: 26,857,306 km (0.092 R)
• M15: 28,132,328 km (0.096 R)
• M16: 31,695,899 km (0.058 R)
• M17: 33,016,400 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 678.7

Radius: 4.2

Gravity: 38.48 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 6.09 AU - 9.41 AU

Year: 13931 Days

Day: 20.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 66.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,939,027 km

• M1: 52,359 km (0.065 R)
• M2: 183,108 km (0.047 R)
• M3: 417,228 km (0.115 R)
• M4: 677,678 km (0.09 R)
• M5: 1,051,374 km (0.097 R)
• M6: 1,224,459 km (0.099 R)
• M7: 1,826,291 km (0.114 R)
• M8: 3,243,132 km (0.045 R)
• M9: 3,450,624 km (0.077 R)
• M10: 4,247,383 km (0.084 R)
• M11: 4,464,300 km (0.079 R)
• M12: 6,474,895 km (0.107 R)
• M13: 7,951,875 km (0.057 R)
• M14: 9,745,553 km (0.112 R)
• M15: 9,960,077 km (0.095 R)
• M16: 10,287,995 km (0.116 R)
• M17: 11,197,251 km (0.055 R)
• M18: 12,220,800 km (0.075 R)
• M19: 14,108,126 km (0.086 R)
• M20: 14,313,823 km (0.065 R)
• M21: 22,095,007 km (0.114 R)
• M22: 22,279,760 km (0.071 R)
• M23: 23,988,916 km (0.075 R)
• M24: 24,478,700 km (0.087 R)
• M25: 27,879,957 km (0.104 R)
• M26: 29,413,485 km (0.098 R)
• M27: 29,637,133 km (0.074 R)
• M28: 34,846,879 km (0.049 R)
• M29: 36,238,439 km (0.12 R)
• M30: 38,862,834 km (0.068 R)
• M31: 38,997,323 km (0.107 R)
• M32: 39,132,110 km (0.044 R)
• M33: 45,076,681 km (0.101 R)
• M34: 45,522,931 km (0.068 R)
• M35: 54,571,658 km (0.11 R)
• M36: 57,485,675 km (0.073 R)
• M37: 57,660,255 km (0.045 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538

Radius: 6.2

Gravity: 14 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 8.22 AU - 13.68 AU

Year: 23396 Days

Day: 23.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,939,027 km

• M1: 78,539 km (0.118 R)
• M2: 367,113 km (0.042 R)
• M3: 611,107 km (0.099 R)
• M4: 906,114 km (0.076 R)
• M5: 1,383,481 km (0.068 R)
• M6: 1,860,698 km (0.111 R)
• M7: 2,096,465 km (0.065 R)
• M8: 4,520,399 km (0.066 R)
• M9: 4,875,694 km (0.04 R)
• M10: 6,664,585 km (0.108 R)
• M11: 7,219,743 km (0.12 R)
• M12: 7,557,385 km (0.088 R)
• M13: 8,264,534 km (0.095 R)
• M14: 9,181,569 km (0.109 R)
• M15: 10,344,992 km (0.069 R)
• M16: 12,000,143 km (0.063 R)
• M17: 12,820,538 km (0.1 R)
• M18: 13,102,230 km (0.093 R)
• M19: 14,802,261 km (0.107 R)
• M20: 15,034,436 km (0.025 R)
• M21: 17,233,824 km (0.09 R)
• M22: 18,276,970 km (0.028 R)
• M23: 19,177,699 km (0.059 R)
• M24: 24,344,061 km (0.07 R)
• M25: 29,138,972 km (0.092 R)
• M26: 31,500,824 km (0.047 R)
• M27: 32,013,944 km (0.111 R)
• M28: 37,026,670 km (0.108 R)
• M29: 37,885,960 km (0.107 R)
• M30: 40,694,510 km (0.074 R)
• M31: 40,998,044 km (0.12 R)
• M32: 43,797,769 km (0.058 R)
• M33: 45,244,380 km (0.094 R)
• M34: 49,085,156 km (0.097 R)
• M35: 56,460,929 km (0.081 R)
• M36: 57,981,292 km (0.072 R)
• M37: 68,106,824 km (0.094 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: 160 - 15,010 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit