🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.48 AU - 0.56 AU

Year: 242 Days

Day: 39.8 Hours

Environment

Temp: -110 °C

Axial Tilt: 0.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 48,418,096 km

• M1: 68,067 km (0.083 R)
• M2: 250,427 km (0.08 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.55 AU - 0.57 AU

Year: 271 Days

Day: 25.2 Hours

Environment

Temp: -126 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.49 AU - 0.75 AU

Year: 315 Days

Day: 25.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.8

Radius: 8.6

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.57 AU - 0.87 AU

Year: 394 Days

Day: 8.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 48,418,096 km

• M1: 107,860 km (0.085 R)
• M2: 172,486 km (0.097 R)
• M3: 230,680 km (0.099 R)
• M4: 316,399 km (0.082 R)
• M5: 397,332 km (0.103 R)
• M6: 466,895 km (0.057 R)
• M7: 609,013 km (0.116 R)
• M8: 668,702 km (0.062 R)
• M9: 750,233 km (0.056 R)
• M10: 835,355 km (0.086 R)
• M11: 906,862 km (0.081 R)
• M12: 1,002,605 km (0.113 R)
• M13: 1,124,976 km (0.118 R)
• M14: 1,233,285 km (0.083 R)
• M15: 1,522,009 km (0.084 R)
• M16: 1,695,692 km (0.109 R)
• M17: 1,787,844 km (0.103 R)
• M18: 1,848,431 km (0.057 R)
• M19: 1,932,057 km (0.107 R)
• M20: 1,994,289 km (0.093 R)
• M21: 2,062,805 km (0.11 R)
• M22: 2,184,877 km (0.07 R)
• M23: 2,249,802 km (0.046 R)
• M24: 2,339,412 km (0.076 R)
• M25: 2,411,966 km (0.104 R)
• M26: 2,590,287 km (0.074 R)
• M27: 2,690,667 km (0.095 R)
• M28: 2,805,110 km (0.033 R)
• M29: 2,875,869 km (0.088 R)
• M30: 3,019,184 km (0.079 R)
• M31: 3,319,726 km (0.088 R)
• M32: 3,394,675 km (0.078 R)
• M33: 3,511,660 km (0.057 R)
• M34: 3,602,018 km (0.056 R)
• M35: 3,700,154 km (0.097 R)
• M36: 3,806,368 km (0.102 R)
• M37: 3,964,044 km (0.085 R)
• M38: 4,131,145 km (0.113 R)
• M39: 4,219,258 km (0.106 R)
• M40: 4,427,349 km (0.111 R)
• M41: 4,608,362 km (0.076 R)
• M42: 4,707,396 km (0.085 R)
• M43: 4,791,769 km (0.087 R)
• M44: 4,861,332 km (0.08 R)
• M45: 4,962,161 km (0.083 R)
• M46: 5,024,693 km (0.049 R)
• M47: 5,126,719 km (0.11 R)
• M48: 5,181,921 km (0.107 R)
• M49: 5,340,794 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.7

Radius: 12.7

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.77 AU - 1.21 AU

Year: 636 Days

Day: 11.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 155.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 48,418,096 km

• M1: 158,125 km (0.07 R)
• M2: 239,506 km (0.089 R)
• M3: 345,122 km (0.12 R)
• M4: 442,660 km (0.098 R)
• M5: 547,379 km (0.098 R)
• M6: 659,427 km (0.043 R)
• M7: 810,521 km (0.04 R)
• M8: 949,049 km (0.081 R)
• M9: 1,043,744 km (0.094 R)
• M10: 1,138,141 km (0.075 R)
• M11: 1,259,614 km (0.084 R)
• M12: 1,477,728 km (0.073 R)
• M13: 1,580,801 km (0.098 R)
• M14: 1,664,127 km (0.098 R)
• M15: 1,758,224 km (0.109 R)
• M16: 1,853,966 km (0.108 R)
• M17: 1,961,078 km (0.099 R)
• M18: 2,108,881 km (0.116 R)
• M19: 2,206,269 km (0.103 R)
• M20: 2,320,113 km (0.096 R)
• M21: 2,471,806 km (0.086 R)
• M22: 2,600,759 km (0.071 R)
• M23: 2,684,534 km (0.077 R)
• M24: 2,785,213 km (0.063 R)
• M25: 2,974,006 km (0.1 R)
• M26: 3,133,776 km (0.077 R)
• M27: 3,279,485 km (0.084 R)
• M28: 3,358,921 km (0.079 R)
• M29: 3,444,641 km (0.051 R)
• M30: 3,525,423 km (0.106 R)
• M31: 3,665,447 km (0.119 R)
• M32: 3,783,480 km (0.086 R)
• M33: 4,029,718 km (0.082 R)
• M34: 4,120,973 km (0.119 R)
• M35: 4,250,225 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.4

Radius: 10.7

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.63 AU - 4.03 AU

Year: 4840 Days

Day: 13.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 48,418,096 km

• M1: 167,101 km (0.11 R)
• M2: 356,043 km (0.089 R)
• M3: 444,605 km (0.062 R)
• M4: 673,041 km (0.094 R)
• M5: 797,656 km (0.12 R)
• M6: 903,422 km (0.036 R)
• M7: 1,229,844 km (0.094 R)
• M8: 1,417,589 km (0.071 R)
• M9: 1,504,207 km (0.108 R)
• M10: 1,682,826 km (0.072 R)
• M11: 1,774,979 km (0.065 R)
• M12: 2,073,726 km (0.075 R)
• M13: 2,147,926 km (0.071 R)
• M14: 2,519,228 km (0.1 R)
• M15: 2,759,931 km (0.071 R)
• M16: 3,050,301 km (0.096 R)
• M17: 3,379,865 km (0.117 R)
• M18: 3,630,890 km (0.087 R)
• M19: 4,629,905 km (0.1 R)
• M20: 4,727,742 km (0.116 R)
• M21: 5,075,856 km (0.112 R)
• M22: 5,143,025 km (0.043 R)
• M23: 6,115,711 km (0.06 R)
• M24: 6,205,320 km (0.095 R)
• M25: 6,752,100 km (0.116 R)
• M26: 6,863,401 km (0.057 R)
• M27: 7,238,592 km (0.086 R)
• M28: 7,314,438 km (0.111 R)
• M29: 7,659,112 km (0.089 R)
• M30: 8,424,155 km (0.089 R)
• M31: 9,337,002 km (0.1 R)
• M32: 9,984,162 km (0.113 R)
• M33: 10,153,507 km (0.103 R)
• M34: 10,516,581 km (0.034 R)
• M35: 10,883,843 km (0.099 R)
• M36: 11,036,284 km (0.092 R)
• M37: 11,475,952 km (0.108 R)
• M38: 11,631,234 km (0.061 R)
• M39: 11,809,406 km (0.078 R)
• M40: 12,259,097 km (0.045 R)
• M41: 12,600,030 km (0.113 R)
• M42: 13,244,797 km (0.114 R)
• M43: 13,829,575 km (0.107 R)
• M44: 13,947,608 km (0.118 R)
• M45: 14,375,009 km (0.065 R)
• M46: 15,658,559 km (0.087 R)
• M47: 16,102,864 km (0.104 R)
• M48: 16,202,197 km (0.087 R)
• M49: 16,827,367 km (0.041 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.9

Radius: 8.5

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.36 AU - 4.54 AU

Year: 5069 Days

Day: 6.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 48,418,096 km

• M1: 166,502 km (0.097 R)
• M2: 262,395 km (0.059 R)
• M3: 326,123 km (0.082 R)
• M4: 520,900 km (0.087 R)
• M5: 818,300 km (0.033 R)
• M6: 1,174,194 km (0.079 R)
• M7: 1,533,229 km (0.051 R)
• M8: 1,692,700 km (0.104 R)
• M9: 1,802,206 km (0.106 R)
• M10: 1,959,433 km (0.081 R)
• M11: 2,156,453 km (0.073 R)
• M12: 2,311,586 km (0.048 R)
• M13: 2,372,173 km (0.117 R)
• M14: 2,482,726 km (0.113 R)
• M15: 2,773,096 km (0.118 R)
• M16: 2,981,635 km (0.117 R)
• M17: 3,483,237 km (0.101 R)
• M18: 3,736,955 km (0.064 R)
• M19: 3,894,930 km (0.078 R)
• M20: 3,952,825 km (0.11 R)
• M21: 4,011,168 km (0.103 R)
• M22: 4,336,992 km (0.114 R)
• M23: 5,461,968 km (0.102 R)
• M24: 5,674,397 km (0.116 R)
• M25: 5,956,239 km (0.099 R)
• M26: 6,242,719 km (0.107 R)
• M27: 7,577,731 km (0.117 R)
• M28: 7,796,443 km (0.092 R)
• M29: 8,165,501 km (0.08 R)
• M30: 8,748,932 km (0.109 R)
• M31: 8,978,415 km (0.102 R)
• M32: 9,345,828 km (0.091 R)
• M33: 11,152,072 km (0.076 R)
• M34: 11,567,805 km (0.107 R)
• M35: 11,735,504 km (0.103 R)
• M36: 12,094,689 km (0.11 R)
• M37: 12,158,417 km (0.099 R)
• M38: 12,286,174 km (0.107 R)
• M39: 12,414,529 km (0.1 R)
• M40: 12,953,829 km (0.111 R)
• M41: 13,699,575 km (0.1 R)
• M42: 14,708,014 km (0.102 R)
• M43: 14,867,036 km (0.091 R)
• M44: 15,003,769 km (0.049 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.9

Radius: 5.7

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 8.33 AU - 8.75 AU

Year: 16114 Days

Day: 20.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 48,418,096 km

• M1: 87,964 km (0.086 R)
• M2: 309,668 km (0.042 R)
• M3: 457,620 km (0.092 R)
• M4: 547,827 km (0.094 R)
• M5: 694,433 km (0.071 R)
• M6: 746,194 km (0.105 R)
• M7: 853,605 km (0.071 R)
• M8: 1,185,414 km (0.101 R)
• M9: 1,247,945 km (0.1 R)
• M10: 1,290,282 km (0.077 R)
• M11: 1,332,917 km (0.096 R)
• M12: 1,442,123 km (0.089 R)
• M13: 1,486,554 km (0.105 R)
• M14: 2,105,889 km (0.117 R)
• M15: 2,337,018 km (0.063 R)
• M16: 2,851,635 km (0.099 R)
• M17: 3,311,349 km (0.112 R)
• M18: 3,519,589 km (0.115 R)
• M19: 3,762,985 km (0.115 R)
• M20: 4,298,246 km (0.096 R)
• M21: 4,395,185 km (0.12 R)
• M22: 5,059,849 km (0.11 R)
• M23: 5,898,046 km (0.109 R)
• M24: 5,933,949 km (0.092 R)
• M25: 6,005,906 km (0.09 R)
• M26: 6,369,877 km (0.066 R)
• M27: 6,406,678 km (0.071 R)
• M28: 6,628,981 km (0.1 R)
• M29: 7,081,215 km (0.064 R)
• M30: 7,272,551 km (0.106 R)
• M31: 7,975,511 km (0.082 R)
• M32: 8,214,569 km (0.079 R)
• M33: 8,294,753 km (0.114 R)
• M34: 9,319,499 km (0.08 R)
• M35: 9,445,161 km (0.057 R)
• M36: 10,210,803 km (0.085 R)
• M37: 10,383,588 km (0.112 R)
• M38: 10,470,355 km (0.101 R)
• M39: 11,485,676 km (0.087 R)
• M40: 11,891,385 km (0.045 R)
• M41: 11,936,713 km (0.108 R)
• M42: 12,164,551 km (0.115 R)
• M43: 12,949,640 km (0.057 R)
• M44: 12,996,315 km (0.11 R)
• M45: 14,181,579 km (0.105 R)
• M46: 14,714,147 km (0.119 R)
• M47: 14,762,767 km (0.103 R)
• M48: 15,007,210 km (0.042 R)
• M49: 15,998,445 km (0.06 R)
• M50: 16,148,941 km (0.102 R)
• M51: 16,350,299 km (0.052 R)
• M52: 16,552,556 km (0.117 R)
• M53: 17,215,573 km (0.097 R)
• M54: 17,421,270 km (0.082 R)
• M55: 18,043,298 km (0.106 R)
• M56: 18,304,646 km (0.072 R)
• M57: 19,043,061 km (0.097 R)
• M58: 19,202,682 km (0.109 R)
• M59: 21,151,045 km (0.055 R)
• M60: 21,869,862 km (0.114 R)
• M61: 23,502,274 km (0.078 R)
• M62: 24,131,782 km (0.081 R)
• M63: 24,362,013 km (0.11 R)
• M64: 24,766,675 km (0.11 R)
• M65: 25,582,732 km (0.117 R)
• M66: 25,817,451 km (0.116 R)
• M67: 26,111,860 km (0.098 R)
• M68: 28,143,698 km (0.036 R)
• M69: 28,325,310 km (0.088 R)
• M70: 28,628,993 km (0.057 R)
• M71: 29,178,466 km (0.102 R)
• M72: 29,423,657 km (0.088 R)
• M73: 29,854,649 km (0.082 R)
• M74: 29,916,283 km (0.067 R)
• M75: 30,163,718 km (0.115 R)
• M76: 30,972,294 km (0.104 R)
• M77: 31,598,960 km (0.079 R)
• M78: 34,470,940 km (0.038 R)
• M79: 35,250,793 km (0.078 R)
• M80: 35,708,413 km (0.071 R)
• M81: 36,102,155 km (0.108 R)
• M82: 36,299,624 km (0.079 R)
• M83: 37,891,944 km (0.047 R)
• M84: 38,427,654 km (0.115 R)
• M85: 38,966,057 km (0.047 R)
• M86: 39,100,994 km (0.055 R)
• M87: 39,371,467 km (0.075 R)
• M88: 39,846,141 km (0.101 R)
• M89: 40,322,760 km (0.103 R)
• M90: 41,144,202 km (0.055 R)
• M91: 41,763,986 km (0.105 R)
• M92: 42,040,293 km (0.042 R)
• M93: 43,221,966 km (0.102 R)
• M94: 43,431,553 km (0.11 R)
• M95: 46,187,445 km (0.087 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: 172 - 11,525 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit