🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.46 AU - 0.66 AU

Year: 266 Days

Day: 20.3 Hours

Environment

Temp: -115 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.62 AU - 0.68 AU

Year: 333 Days

Day: 30.9 Hours

Environment

Temp: -124 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.2

Radius: 10

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.83 AU - 1.15 AU

Year: 626 Days

Day: 12.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 38,163,889 km

• M1: 142,716 km (0.078 R)
• M2: 238,309 km (0.094 R)
• M3: 317,596 km (0.067 R)
• M4: 393,742 km (0.034 R)
• M5: 460,313 km (0.095 R)
• M6: 561,441 km (0.063 R)
• M7: 646,861 km (0.084 R)
• M8: 716,424 km (0.105 R)
• M9: 780,003 km (0.118 R)
• M10: 850,165 km (0.081 R)
• M11: 931,995 km (0.117 R)
• M12: 1,016,667 km (0.094 R)
• M13: 1,158,785 km (0.071 R)
• M14: 1,265,897 km (0.102 R)
• M15: 1,376,600 km (0.117 R)
• M16: 1,507,199 km (0.084 R)
• M17: 1,608,028 km (0.098 R)
• M18: 1,810,583 km (0.112 R)
• M19: 1,942,229 km (0.095 R)
• M20: 2,015,383 km (0.102 R)
• M21: 2,108,283 km (0.106 R)
• M22: 2,183,680 km (0.083 R)
• M23: 2,272,691 km (0.089 R)
• M24: 2,375,913 km (0.116 R)
• M25: 2,567,249 km (0.094 R)
• M26: 2,770,702 km (0.099 R)
• M27: 2,916,111 km (0.117 R)
• M28: 3,050,001 km (0.077 R)
• M29: 3,272,902 km (0.06 R)
• M30: 3,353,236 km (0.115 R)
• M31: 3,441,798 km (0.066 R)
• M32: 3,606,057 km (0.12 R)
• M33: 3,704,342 km (0.115 R)
• M34: 3,780,488 km (0.093 R)
• M35: 3,911,236 km (0.115 R)
• M36: 4,098,533 km (0.041 R)
• M37: 4,161,663 km (0.106 R)
• M38: 4,441,411 km (0.094 R)
• M39: 4,530,721 km (0.092 R)
• M40: 4,628,708 km (0.108 R)
• M41: 4,710,987 km (0.102 R)
• M42: 4,835,302 km (0.037 R)
• M43: 4,943,910 km (0.051 R)
• M44: 5,011,080 km (0.073 R)
• M45: 5,104,130 km (0.107 R)
• M46: 5,240,413 km (0.051 R)
• M47: 5,412,451 km (0.053 R)
• M48: 5,499,218 km (0.09 R)
• M49: 5,577,607 km (0.059 R)
• M50: 5,762,211 km (0.046 R)
• M51: 5,841,946 km (0.03 R)
• M52: 5,921,981 km (0.116 R)
• M53: 5,993,489 km (0.042 R)
• M54: 6,065,296 km (0.112 R)
• M55: 6,128,426 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.2

Radius: 13.6

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.25 AU - 1.31 AU

Year: 921 Days

Day: 12.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 38,163,889 km

• M1: 176,376 km (0.114 R)
• M2: 290,818 km (0.094 R)
• M3: 394,490 km (0.117 R)
• M4: 483,052 km (0.071 R)
• M5: 604,375 km (0.049 R)
• M6: 692,189 km (0.116 R)
• M7: 812,017 km (0.116 R)
• M8: 957,127 km (0.099 R)
• M9: 1,093,261 km (0.087 R)
• M10: 1,327,232 km (0.108 R)
• M11: 1,522,458 km (0.096 R)
• M12: 1,613,114 km (0.083 R)
• M13: 1,705,865 km (0.079 R)
• M14: 1,844,691 km (0.073 R)
• M15: 1,964,669 km (0.109 R)
• M16: 2,165,579 km (0.099 R)
• M17: 2,276,580 km (0.115 R)
• M18: 2,430,517 km (0.118 R)
• M19: 2,529,550 km (0.101 R)
• M20: 2,672,117 km (0.087 R)
• M21: 2,843,556 km (0.086 R)
• M22: 3,036,388 km (0.108 R)
• M23: 3,125,548 km (0.096 R)
• M24: 3,463,191 km (0.091 R)
• M25: 3,575,240 km (0.103 R)
• M26: 3,928,590 km (0.1 R)
• M27: 4,016,254 km (0.077 R)
• M28: 4,163,907 km (0.061 R)
• M29: 4,353,597 km (0.075 R)
• M30: 4,444,403 km (0.108 R)
• M31: 4,720,860 km (0.03 R)
• M32: 4,950,343 km (0.087 R)
• M33: 5,344,683 km (0.087 R)
• M34: 5,431,300 km (0.114 R)
• M35: 5,518,366 km (0.062 R)
• M36: 5,616,951 km (0.088 R)
• M37: 5,815,916 km (0.089 R)
• M38: 5,961,026 km (0.059 R)
• M39: 6,050,935 km (0.094 R)
• M40: 6,209,359 km (0.116 R)
• M41: 6,323,352 km (0.06 R)
• M42: 6,904,091 km (0.109 R)
• M43: 7,034,241 km (0.088 R)
• M44: 7,129,386 km (0.088 R)
• M45: 7,369,042 km (0.111 R)
• M46: 7,635,775 km (0.076 R)
• M47: 8,029,666 km (0.056 R)
• M48: 8,518,552 km (0.103 R)

Asteroid Belt

Center: 3.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.4

Radius: 9.1

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.91 AU - 5.87 AU

Year: 6875 Days

Day: 14.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 38,163,889 km

• M1: 373,097 km (0.083 R)
• M2: 714,928 km (0.072 R)
• M3: 773,122 km (0.081 R)
• M4: 942,018 km (0.112 R)
• M5: 1,039,556 km (0.09 R)
• M6: 1,192,295 km (0.087 R)
• M7: 1,616,555 km (0.105 R)
• M8: 2,000,572 km (0.103 R)
• M9: 2,085,095 km (0.104 R)
• M10: 2,345,844 km (0.111 R)
• M11: 2,412,714 km (0.085 R)
• M12: 2,709,965 km (0.066 R)
• M13: 2,827,400 km (0.093 R)
• M14: 2,898,758 km (0.087 R)
• M15: 2,994,800 km (0.041 R)
• M16: 3,364,606 km (0.097 R)
• M17: 3,465,584 km (0.089 R)
• M18: 3,853,641 km (0.113 R)
• M19: 5,099,642 km (0.11 R)
• M20: 5,216,029 km (0.117 R)
• M21: 5,570,576 km (0.115 R)
• M22: 5,630,415 km (0.111 R)
• M23: 5,690,553 km (0.057 R)
• M24: 6,117,057 km (0.1 R)
• M25: 6,459,486 km (0.108 R)
• M26: 6,776,335 km (0.074 R)
• M27: 7,001,031 km (0.1 R)
• M28: 7,424,991 km (0.101 R)
• M29: 7,656,868 km (0.043 R)
• M30: 7,756,949 km (0.055 R)
• M31: 8,400,668 km (0.08 R)
• M32: 8,816,251 km (0.102 R)
• M33: 8,956,125 km (0.057 R)
• M34: 9,061,741 km (0.053 R)
• M35: 10,433,255 km (0.048 R)
• M36: 11,714,560 km (0.098 R)
• M37: 12,295,599 km (0.028 R)
• M38: 12,530,617 km (0.075 R)
• M39: 13,164,613 km (0.047 R)
• M40: 13,768,390 km (0.104 R)
• M41: 14,258,023 km (0.073 R)
• M42: 14,836,518 km (0.063 R)
• M43: 15,296,382 km (0.068 R)
• M44: 15,549,203 km (0.102 R)
• M45: 15,803,369 km (0.112 R)
• M46: 16,315,892 km (0.054 R)
• M47: 16,747,182 km (0.063 R)
• M48: 16,833,949 km (0.076 R)
• M49: 17,269,728 km (0.067 R)
• M50: 17,532,870 km (0.067 R)
• M51: 18,375,406 km (0.073 R)
• M52: 18,464,865 km (0.082 R)
• M53: 18,554,474 km (0.106 R)
• M54: 18,824,050 km (0.064 R)
• M55: 18,914,257 km (0.114 R)
• M56: 19,503,822 km (0.111 R)
• M57: 20,283,975 km (0.1 R)
• M58: 20,561,779 km (0.088 R)
• M59: 20,701,204 km (0.081 R)
• M60: 21,402,818 km (0.115 R)
• M61: 22,733,192 km (0.095 R)
• M62: 24,926,745 km (0.063 R)
• M63: 25,473,226 km (0.097 R)
• M64: 25,672,939 km (0.084 R)
• M65: 26,325,485 km (0.117 R)
• M66: 26,831,126 km (0.079 R)
• M67: 27,289,045 km (0.037 R)
• M68: 27,391,071 km (0.108 R)
• M69: 28,264,124 km (0.085 R)
• M70: 29,042,033 km (0.107 R)
• M71: 30,037,308 km (0.047 R)
• M72: 31,097,209 km (0.106 R)
• M73: 32,115,372 km (0.099 R)
• M74: 33,526,229 km (0.059 R)
• M75: 34,019,453 km (0.115 R)
• M76: 34,294,414 km (0.057 R)
• M77: 36,464,481 km (0.109 R)
• M78: 37,537,846 km (0.097 R)
• M79: 37,821,932 km (0.116 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: 212 - 10,800 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit