🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.57 AU - 0.89 AU

Year: 272 Days

Day: 33.9 Hours

Environment

Temp: -15 °C

Axial Tilt: 50 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.02 AU - 1.3 AU

Year: 545 Days

Day: 32.6 Hours

Environment

Temp: -69 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.09 AU - 1.51 AU

Year: 647 Days

Day: 29.5 Hours

Environment

Temp: -88 °C

Axial Tilt: 29.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.44 AU - 1.72 AU

Year: 867 Days

Day: 39.5 Hours

Environment

Temp: -94 °C

Axial Tilt: 12.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.77 AU - 2.41 AU

Year: 1319 Days

Day: 45 Hours

Environment

Temp: -118 °C

Axial Tilt: 150.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,070,167 km

• M1: 32,164 km (0.076 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.8 AU - 2.96 AU

Year: 1603 Days

Day: 28.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.7

Radius: 11.1

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.68 AU - 3.46 AU

Year: 2348 Days

Day: 5.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 44,070,167 km

• M1: 141,071 km (0.045 R)
• M2: 210,484 km (0.084 R)
• M3: 342,878 km (0.086 R)
• M4: 1,057,059 km (0.084 R)
• M5: 1,170,753 km (0.115 R)
• M6: 1,343,838 km (0.103 R)
• M7: 1,422,377 km (0.072 R)
• M8: 1,619,696 km (0.079 R)
• M9: 1,764,656 km (0.1 R)
• M10: 1,851,274 km (0.101 R)
• M11: 1,990,250 km (0.107 R)
• M12: 2,292,438 km (0.066 R)
• M13: 2,637,710 km (0.095 R)
• M14: 2,708,769 km (0.104 R)
• M15: 2,867,342 km (0.113 R)
• M16: 3,073,937 km (0.086 R)
• M17: 3,163,845 km (0.09 R)
• M18: 4,013,711 km (0.117 R)
• M19: 4,245,139 km (0.118 R)
• M20: 4,328,914 km (0.063 R)
• M21: 4,430,191 km (0.105 R)
• M22: 4,843,231 km (0.102 R)
• M23: 5,196,880 km (0.11 R)
• M24: 5,632,360 km (0.092 R)
• M25: 5,985,560 km (0.105 R)
• M26: 6,365,240 km (0.054 R)
• M27: 6,635,713 km (0.078 R)
• M28: 6,772,296 km (0.034 R)
• M29: 6,870,581 km (0.074 R)
• M30: 7,008,810 km (0.064 R)
• M31: 7,188,028 km (0.032 R)
• M32: 7,571,148 km (0.111 R)
• M33: 7,796,143 km (0.049 R)
• M34: 8,106,409 km (0.107 R)
• M35: 8,336,491 km (0.107 R)
• M36: 8,611,302 km (0.082 R)
• M37: 8,717,816 km (0.095 R)
• M38: 8,975,274 km (0.112 R)
• M39: 9,213,434 km (0.099 R)
• M40: 9,607,624 km (0.032 R)
• M41: 9,895,750 km (0.028 R)
• M42: 10,344,693 km (0.048 R)
• M43: 10,548,894 km (0.103 R)
• M44: 10,892,221 km (0.093 R)
• M45: 10,984,373 km (0.081 R)
• M46: 11,169,575 km (0.094 R)
• M47: 11,239,288 km (0.091 R)
• M48: 11,754,802 km (0.114 R)
• M49: 12,158,567 km (0.109 R)
• M50: 12,422,158 km (0.089 R)
• M51: 12,615,140 km (0.102 R)
• M52: 12,760,399 km (0.077 R)
• M53: 12,930,791 km (0.096 R)
• M54: 13,619,540 km (0.109 R)
• M55: 13,893,304 km (0.096 R)
• M56: 14,674,953 km (0.082 R)
• M57: 14,853,423 km (0.073 R)
• M58: 15,006,910 km (0.11 R)
• M59: 15,083,953 km (0.056 R)
• M60: 15,522,574 km (0.097 R)
• M61: 15,939,354 km (0.114 R)
• M62: 16,149,090 km (0.114 R)
• M63: 16,333,395 km (0.103 R)
• M64: 16,439,011 km (0.097 R)
• M65: 16,837,091 km (0.092 R)
• M66: 17,534,666 km (0.047 R)
• M67: 17,724,206 km (0.12 R)
• M68: 17,968,799 km (0.064 R)
• M69: 18,159,686 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.5

Radius: 13.2

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.93 AU - 6.09 AU

Year: 4896 Days

Day: 8.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 44,070,167 km

• M1: 218,712 km (0.067 R)
• M2: 663,616 km (0.116 R)
• M3: 880,234 km (0.05 R)
• M4: 978,968 km (0.088 R)
• M5: 1,202,318 km (0.072 R)
• M6: 1,684,173 km (0.062 R)
• M7: 1,794,127 km (0.087 R)
• M8: 2,612,727 km (0.098 R)
• M9: 2,704,131 km (0.1 R)
• M10: 2,852,831 km (0.108 R)
• M11: 3,275,894 km (0.079 R)
• M12: 3,374,928 km (0.103 R)
• M13: 3,947,888 km (0.056 R)
• M14: 4,463,552 km (0.075 R)
• M15: 4,617,937 km (0.1 R)
• M16: 4,774,266 km (0.079 R)
• M17: 4,932,242 km (0.112 R)
• M18: 5,677,090 km (0.117 R)
• M19: 6,160,440 km (0.093 R)
• M20: 6,258,726 km (0.111 R)
• M21: 6,506,759 km (0.035 R)
• M22: 6,632,122 km (0.052 R)
• M23: 6,758,084 km (0.118 R)
• M24: 7,038,281 km (0.034 R)
• M25: 7,452,816 km (0.064 R)
• M26: 7,955,316 km (0.106 R)
• M27: 8,251,370 km (0.077 R)
• M28: 8,798,898 km (0.086 R)
• M29: 9,105,125 km (0.117 R)
• M30: 9,699,477 km (0.105 R)
• M31: 10,073,771 km (0.116 R)
• M32: 10,306,545 km (0.084 R)
• M33: 10,511,644 km (0.1 R)
• M34: 10,599,907 km (0.106 R)
• M35: 10,718,089 km (0.098 R)
• M36: 11,315,433 km (0.11 R)
• M37: 11,405,940 km (0.115 R)
• M38: 11,739,992 km (0.075 R)
• M39: 12,262,537 km (0.111 R)
• M40: 12,542,435 km (0.109 R)
• M41: 13,203,508 km (0.092 R)
• M42: 13,330,666 km (0.104 R)
• M43: 13,811,324 km (0.093 R)
• M44: 14,102,442 km (0.118 R)
• M45: 14,330,429 km (0.111 R)
• M46: 14,559,463 km (0.093 R)
• M47: 14,921,939 km (0.091 R)
• M48: 16,231,070 km (0.056 R)
• M49: 16,641,267 km (0.078 R)
• M50: 17,124,169 km (0.061 R)
• M51: 17,716,876 km (0.118 R)
• M52: 18,422,679 km (0.101 R)
• M53: 18,850,528 km (0.044 R)
• M54: 19,137,607 km (0.094 R)
• M55: 19,570,992 km (0.038 R)
• M56: 21,076,246 km (0.111 R)
• M57: 21,411,644 km (0.078 R)
• M58: 21,561,242 km (0.094 R)
• M59: 21,748,688 km (0.06 R)
• M60: 21,861,485 km (0.082 R)
• M61: 22,125,375 km (0.076 R)
• M62: 22,847,036 km (0.079 R)
• M63: 23,692,413 km (0.075 R)
• M64: 23,924,739 km (0.096 R)
• M65: 24,041,126 km (0.082 R)
• M66: 24,274,498 km (0.116 R)
• M67: 24,587,008 km (0.095 R)
• M68: 24,704,592 km (0.086 R)
• M69: 24,900,865 km (0.116 R)
• M70: 25,018,748 km (0.077 R)
• M71: 25,453,180 km (0.114 R)
• M72: 25,850,063 km (0.058 R)
• M73: 26,932,254 km (0.091 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.4

Radius: 12.2

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.05 AU - 11.73 AU

Year: 12561 Days

Day: 12.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 44,070,167 km

• M1: 177,423 km (0.071 R)
• M2: 276,008 km (0.104 R)
• M3: 427,102 km (0.109 R)
• M4: 965,056 km (0.106 R)
• M5: 1,053,767 km (0.083 R)
• M6: 1,457,981 km (0.103 R)
• M7: 1,582,446 km (0.111 R)
• M8: 1,977,385 km (0.12 R)
• M9: 2,116,062 km (0.087 R)
• M10: 2,306,051 km (0.067 R)
• M11: 2,477,042 km (0.027 R)
• M12: 3,015,295 km (0.086 R)
• M13: 3,846,610 km (0.092 R)
• M14: 4,348,062 km (0.117 R)
• M15: 4,560,641 km (0.073 R)
• M16: 4,683,610 km (0.094 R)
• M17: 5,510,288 km (0.038 R)
• M18: 5,641,485 km (0.099 R)
• M19: 5,974,191 km (0.034 R)
• M20: 6,109,128 km (0.08 R)
• M21: 6,450,810 km (0.041 R)
• M22: 6,975,001 km (0.057 R)
• M23: 7,224,380 km (0.053 R)
• M24: 7,585,809 km (0.112 R)
• M25: 8,213,821 km (0.105 R)
• M26: 8,401,865 km (0.083 R)
• M27: 9,128,911 km (0.06 R)
• M28: 9,284,642 km (0.081 R)
• M29: 9,638,142 km (0.119 R)
• M30: 9,756,923 km (0.117 R)
• M31: 9,876,302 km (0.091 R)
• M32: 9,996,130 km (0.062 R)
• M33: 10,116,406 km (0.118 R)
• M34: 10,196,890 km (0.109 R)
• M35: 10,725,120 km (0.083 R)
• M36: 11,723,686 km (0.114 R)
• M37: 12,319,983 km (0.116 R)
• M38: 12,578,638 km (0.045 R)
• M39: 13,809,080 km (0.103 R)
• M40: 14,756,932 km (0.066 R)
• M41: 15,169,673 km (0.084 R)
• M42: 15,400,652 km (0.078 R)
• M43: 16,715,318 km (0.072 R)
• M44: 17,482,606 km (0.081 R)
• M45: 17,724,805 km (0.094 R)
• M46: 17,968,051 km (0.046 R)
• M47: 18,114,507 km (0.088 R)
• M48: 18,310,480 km (0.113 R)
• M49: 18,408,766 km (0.096 R)
• M50: 18,754,038 km (0.075 R)
• M51: 19,953,962 km (0.11 R)
• M52: 20,055,091 km (0.085 R)
• M53: 20,207,082 km (0.109 R)
• M54: 22,954,896 km (0.084 R)
• M55: 23,060,961 km (0.071 R)
• M56: 23,968,272 km (0.04 R)
• M57: 24,129,688 km (0.068 R)
• M58: 24,832,947 km (0.074 R)
• M59: 25,105,365 km (0.084 R)
• M60: 25,433,433 km (0.087 R)
• M61: 27,431,762 km (0.071 R)
• M62: 27,939,198 km (0.092 R)
• M63: 28,052,294 km (0.077 R)
• M64: 28,165,689 km (0.044 R)
• M65: 29,077,937 km (0.036 R)
• M66: 29,941,864 km (0.106 R)
• M67: 30,464,410 km (0.089 R)
• M68: 30,580,797 km (0.084 R)
• M69: 32,346,351 km (0.063 R)
• M70: 32,703,291 km (0.035 R)
• M71: 32,882,360 km (0.109 R)
• M72: 33,541,638 km (0.105 R)
• M73: 33,722,053 km (0.114 R)
• M74: 33,963,354 km (0.082 R)
• M75: 35,300,310 km (0.097 R)
• M76: 36,345,251 km (0.102 R)
• M77: 37,213,368 km (0.116 R)
• M78: 37,462,598 km (0.075 R)
• M79: 38,969,946 km (0.083 R)
• M80: 40,113,622 km (0.096 R)
• M81: 40,817,779 km (0.106 R)
• M82: 41,268,069 km (0.111 R)
• M83: 41,849,406 km (0.097 R)
• M84: 42,303,585 km (0.066 R)
• M85: 43,609,874 km (0.044 R)
• M86: 43,806,894 km (0.115 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 10,599 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit