🌌 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: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.5 AU - 0.54 AU

Year: 242 Days

Day: 38.2 Hours

Environment

Temp: -113 °C

Axial Tilt: 25 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.5 AU - 0.56 AU

Year: 249 Days

Day: 19.6 Hours

Environment

Temp: -111 °C

Axial Tilt: 15.2 °

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: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.61 AU - 0.63 AU

Year: 315 Days

Day: 17.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.4

Radius: 15

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.64 AU - 0.84 AU

Year: 411 Days

Day: 14.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,865,964 km

• M1: 197,918 km (0.1 R)
• M2: 292,913 km (0.055 R)
• M3: 387,758 km (0.047 R)
• M4: 512,074 km (0.042 R)
• M5: 652,247 km (0.075 R)
• M6: 842,386 km (0.107 R)
• M7: 939,325 km (0.116 R)
• M8: 1,081,593 km (0.083 R)
• M9: 1,265,598 km (0.109 R)
• M10: 1,389,764 km (0.095 R)
• M11: 1,485,806 km (0.118 R)
• M12: 1,643,781 km (0.103 R)
• M13: 1,823,149 km (0.113 R)
• M14: 1,937,292 km (0.104 R)
• M15: 2,074,174 km (0.07 R)
• M16: 2,243,968 km (0.101 R)
• M17: 2,388,330 km (0.044 R)
• M18: 2,562,312 km (0.066 R)
• M19: 2,682,290 km (0.111 R)
• M20: 2,804,212 km (0.071 R)
• M21: 2,932,567 km (0.109 R)
• M22: 3,063,016 km (0.094 R)
• M23: 3,219,346 km (0.071 R)
• M24: 3,339,623 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865

Radius: 13.5

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.01 AU - 1.25 AU

Year: 776 Days

Day: 5.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 27,865,964 km

• M1: 192,084 km (0.109 R)
• M2: 373,396 km (0.036 R)
• M3: 533,466 km (0.058 R)
• M4: 727,195 km (0.073 R)
• M5: 904,319 km (0.116 R)
• M6: 1,001,857 km (0.084 R)
• M7: 1,576,014 km (0.081 R)
• M8: 1,688,511 km (0.1 R)
• M9: 1,780,663 km (0.12 R)
• M10: 1,930,261 km (0.089 R)
• M11: 2,067,742 km (0.11 R)
• M12: 2,335,821 km (0.078 R)
• M13: 2,456,696 km (0.101 R)
• M14: 2,579,666 km (0.097 R)
• M15: 2,795,685 km (0.074 R)
• M16: 2,998,839 km (0.043 R)
• M17: 3,121,360 km (0.113 R)
• M18: 3,264,824 km (0.085 R)
• M19: 3,430,130 km (0.099 R)
• M20: 3,698,359 km (0.113 R)
• M21: 3,911,835 km (0.059 R)
• M22: 4,066,968 km (0.1 R)
• M23: 4,372,596 km (0.096 R)
• M24: 4,674,933 km (0.066 R)
• M25: 4,861,931 km (0.067 R)
• M26: 5,107,571 km (0.083 R)
• M27: 5,209,147 km (0.108 R)
• M28: 5,426,214 km (0.063 R)
• M29: 5,681,129 km (0.109 R)
• M30: 5,833,719 km (0.113 R)
• M31: 5,963,869 km (0.111 R)
• M32: 6,106,884 km (0.086 R)
• M33: 6,239,129 km (0.034 R)
• M34: 6,323,801 km (0.077 R)
• M35: 6,445,275 km (0.06 R)
• M36: 6,939,396 km (0.039 R)
• M37: 7,039,777 km (0.092 R)
• M38: 7,191,170 km (0.054 R)
• M39: 7,433,069 km (0.103 R)
• M40: 7,729,722 km (0.079 R)
• M41: 7,833,692 km (0.032 R)
• M42: 8,481,302 km (0.09 R)
• M43: 8,710,037 km (0.114 R)
• M44: 8,995,470 km (0.036 R)
• M45: 9,146,264 km (0.062 R)
• M46: 9,284,044 km (0.109 R)

Asteroid Belt

Center: 2.42 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.1

Radius: 11.8

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.37 AU - 4.05 AU

Year: 4614 Days

Day: 6.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 27,865,964 km

• M1: 148,850 km (0.119 R)
• M2: 276,606 km (0.071 R)
• M3: 455,526 km (0.1 R)
• M4: 594,352 km (0.101 R)
• M5: 669,899 km (0.115 R)
• M6: 1,031,777 km (0.071 R)
• M7: 1,348,176 km (0.115 R)
• M8: 1,640,191 km (0.084 R)
• M9: 1,808,040 km (0.108 R)
• M10: 1,923,230 km (0.049 R)
• M11: 2,115,912 km (0.091 R)
• M12: 2,361,851 km (0.088 R)
• M13: 2,440,689 km (0.062 R)
• M14: 2,699,045 km (0.071 R)
• M15: 2,781,623 km (0.115 R)
• M16: 3,051,647 km (0.061 R)
• M17: 3,401,407 km (0.098 R)
• M18: 3,654,078 km (0.049 R)
• M19: 3,931,582 km (0.102 R)
• M20: 4,273,862 km (0.087 R)
• M21: 4,351,204 km (0.025 R)
• M22: 4,825,429 km (0.102 R)
• M23: 5,130,309 km (0.072 R)
• M24: 5,399,735 km (0.051 R)
• M25: 6,257,529 km (0.069 R)
• M26: 6,345,642 km (0.109 R)
• M27: 6,747,313 km (0.117 R)
• M28: 6,883,148 km (0.116 R)
• M29: 7,111,584 km (0.039 R)
• M30: 7,646,246 km (0.079 R)
• M31: 7,978,054 km (0.07 R)
• M32: 8,387,504 km (0.119 R)
• M33: 8,631,498 km (0.117 R)
• M34: 8,828,518 km (0.07 R)
• M35: 8,977,069 km (0.097 R)
• M36: 9,101,684 km (0.064 R)
• M37: 9,428,256 km (0.097 R)
• M38: 9,504,102 km (0.112 R)
• M39: 9,733,137 km (0.088 R)
• M40: 9,861,043 km (0.108 R)
• M41: 10,015,428 km (0.112 R)
• M42: 10,118,650 km (0.079 R)
• M43: 10,746,213 km (0.093 R)
• M44: 10,878,608 km (0.076 R)
• M45: 11,144,892 km (0.09 R)
• M46: 11,820,027 km (0.079 R)
• M47: 12,011,363 km (0.109 R)
• M48: 13,238,215 km (0.047 R)
• M49: 13,722,912 km (0.088 R)
• M50: 14,621,696 km (0.038 R)
• M51: 14,797,773 km (0.074 R)
• M52: 15,033,838 km (0.117 R)
• M53: 15,360,410 km (0.1 R)
• M54: 15,479,640 km (0.079 R)
• M55: 15,749,365 km (0.093 R)
• M56: 16,751,222 km (0.051 R)
• M57: 16,843,224 km (0.098 R)
• M58: 17,089,762 km (0.095 R)
• M59: 17,337,346 km (0.12 R)
• M60: 17,711,042 km (0.051 R)
• M61: 18,150,410 km (0.104 R)
• M62: 18,371,367 km (0.111 R)
• M63: 18,752,392 km (0.044 R)
• M64: 19,232,302 km (0.037 R)
• M65: 19,328,793 km (0.084 R)
• M66: 19,489,910 km (0.113 R)
• M67: 19,976,103 km (0.101 R)
• M68: 20,367,900 km (0.093 R)
• M69: 20,531,859 km (0.093 R)
• M70: 20,630,444 km (0.092 R)
• M71: 20,927,246 km (0.091 R)
• M72: 21,258,755 km (0.106 R)
• M73: 21,391,748 km (0.056 R)
• M74: 21,692,140 km (0.087 R)
• M75: 21,859,690 km (0.114 R)
• M76: 21,960,369 km (0.088 R)
• M77: 22,263,454 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629

Radius: 10.2

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.97 AU - 4.19 AU

Year: 5321 Days

Day: 9.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 27,865,964 km

• M1: 127,757 km (0.116 R)
• M2: 219,610 km (0.036 R)
• M3: 309,518 km (0.038 R)
• M4: 541,395 km (0.095 R)
• M5: 643,420 km (0.054 R)
• M6: 1,047,185 km (0.099 R)
• M7: 1,119,291 km (0.12 R)
• M8: 1,284,148 km (0.038 R)
• M9: 1,425,069 km (0.11 R)
• M10: 1,638,097 km (0.048 R)
• M11: 1,968,110 km (0.115 R)
• M12: 2,094,969 km (0.104 R)
• M13: 2,996,146 km (0.107 R)
• M14: 3,356,827 km (0.035 R)
• M15: 3,421,902 km (0.088 R)
• M16: 3,575,389 km (0.104 R)
• M17: 3,844,067 km (0.082 R)
• M18: 4,762,299 km (0.12 R)
• M19: 4,934,037 km (0.077 R)
• M20: 5,083,036 km (0.096 R)
• M21: 5,513,130 km (0.098 R)
• M22: 5,745,605 km (0.069 R)
• M23: 5,849,875 km (0.084 R)
• M24: 6,140,245 km (0.115 R)
• M25: 6,246,908 km (0.085 R)
• M26: 6,516,633 km (0.105 R)
• M27: 6,900,501 km (0.117 R)
• M28: 7,319,973 km (0.084 R)
• M29: 7,547,063 km (0.09 R)
• M30: 7,661,505 km (0.041 R)
• M31: 7,747,674 km (0.113 R)
• M32: 7,950,229 km (0.114 R)
• M33: 8,154,430 km (0.106 R)
• M34: 8,687,448 km (0.104 R)
• M35: 9,170,798 km (0.057 R)
• M36: 9,756,175 km (0.111 R)
• M37: 9,880,939 km (0.062 R)
• M38: 10,226,810 km (0.09 R)
• M39: 10,449,112 km (0.045 R)
• M40: 10,608,733 km (0.097 R)
• M41: 10,898,354 km (0.109 R)
• M42: 10,995,443 km (0.09 R)
• M43: 11,683,145 km (0.038 R)
• M44: 12,486,037 km (0.036 R)
• M45: 12,587,614 km (0.081 R)
• M46: 12,894,289 km (0.079 R)
• M47: 14,250,843 km (0.032 R)
• M48: 14,392,662 km (0.086 R)
• M49: 14,463,721 km (0.11 R)
• M50: 14,964,125 km (0.114 R)
• M51: 15,144,241 km (0.062 R)
• M52: 15,579,571 km (0.112 R)
• M53: 16,351,197 km (0.071 R)
• M54: 16,462,498 km (0.117 R)
• M55: 16,573,948 km (0.093 R)
• M56: 16,648,448 km (0.091 R)
• M57: 16,835,146 km (0.109 R)
• M58: 17,437,128 km (0.089 R)
• M59: 17,626,818 km (0.101 R)
• M60: 18,276,521 km (0.12 R)
• M61: 18,392,011 km (0.105 R)
• M62: 18,895,258 km (0.109 R)
• M63: 19,207,170 km (0.107 R)
• M64: 19,796,735 km (0.106 R)
• M65: 20,073,790 km (0.096 R)
• M66: 20,232,663 km (0.081 R)
• M67: 20,312,399 km (0.091 R)
• M68: 20,431,928 km (0.088 R)
• M69: 20,631,940 km (0.097 R)
• M70: 21,559,896 km (0.076 R)
• M71: 21,845,029 km (0.099 R)
• M72: 22,295,618 km (0.108 R)
• M73: 23,498,235 km (0.05 R)
• M74: 23,707,822 km (0.068 R)
• M75: 25,277,103 km (0.071 R)
• M76: 25,577,795 km (0.115 R)
• M77: 26,356,452 km (0.047 R)
• M78: 26,530,584 km (0.118 R)
• M79: 27,274,684 km (0.077 R)
• M80: 27,804,111 km (0.105 R)
• M81: 28,247,968 km (0.059 R)
• M82: 28,426,139 km (0.071 R)
• M83: 28,873,137 km (0.113 R)
• M84: 30,046,433 km (0.101 R)
• M85: 30,228,195 km (0.102 R)
• M86: 30,501,809 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.6

Radius: 14.3

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.45 AU - 5.95 AU

Year: 7656 Days

Day: 13 Hours

Environment

Temp: -209 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 27,865,964 km

• M1: 194,028 km (0.073 R)
• M2: 391,049 km (0.119 R)
• M3: 487,390 km (0.107 R)
• M4: 658,081 km (0.071 R)
• M5: 792,570 km (0.102 R)
• M6: 1,386,772 km (0.098 R)
• M7: 1,551,180 km (0.101 R)
• M8: 1,754,334 km (0.046 R)
• M9: 2,067,443 km (0.093 R)
• M10: 2,292,288 km (0.106 R)
• M11: 2,525,511 km (0.03 R)
• M12: 2,654,315 km (0.064 R)
• M13: 2,747,814 km (0.104 R)
• M14: 2,899,656 km (0.094 R)
• M15: 3,113,281 km (0.083 R)
• M16: 3,212,016 km (0.064 R)
• M17: 3,392,730 km (0.032 R)
• M18: 3,891,041 km (0.089 R)
• M19: 4,127,256 km (0.096 R)
• M20: 4,479,559 km (0.104 R)
• M21: 4,636,786 km (0.113 R)
• M22: 4,750,181 km (0.12 R)
• M23: 5,522,405 km (0.112 R)
• M24: 5,861,993 km (0.102 R)
• M25: 6,183,478 km (0.082 R)
• M26: 6,689,269 km (0.104 R)
• M27: 7,235,002 km (0.095 R)
• M28: 7,822,173 km (0.108 R)
• M29: 10,202,874 km (0.052 R)
• M30: 11,440,796 km (0.096 R)
• M31: 11,656,816 km (0.061 R)
• M32: 11,780,982 km (0.09 R)
• M33: 12,344,816 km (0.088 R)
• M34: 13,239,561 km (0.088 R)
• M35: 13,401,576 km (0.07 R)
• M36: 14,056,216 km (0.114 R)
• M37: 14,254,583 km (0.058 R)
• M38: 14,889,027 km (0.09 R)
• M39: 15,057,624 km (0.071 R)
• M40: 15,328,546 km (0.062 R)
• M41: 15,532,747 km (0.062 R)
• M42: 15,978,549 km (0.055 R)
• M43: 17,767,590 km (0.105 R)
• M44: 18,486,557 km (0.093 R)
• M45: 18,704,072 km (0.069 R)
• M46: 19,141,646 km (0.034 R)
• M47: 19,989,866 km (0.095 R)
• M48: 20,549,661 km (0.053 R)
• M49: 21,001,297 km (0.114 R)
• M50: 21,304,083 km (0.09 R)
• M51: 22,685,021 km (0.074 R)
• M52: 22,956,840 km (0.039 R)
• M53: 23,739,686 km (0.081 R)
• M54: 24,253,106 km (0.118 R)
• M55: 25,331,258 km (0.073 R)
• M56: 26,018,211 km (0.048 R)
• M57: 26,302,896 km (0.1 R)
• M58: 26,916,247 km (0.056 R)
• M59: 27,080,655 km (0.106 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 17,649 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit