🌌 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: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.61 AU - 0.85 AU

Year: 231 Days

Day: 12.3 Hours

Environment

Temp: 141 °C

Axial Tilt: 24.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 43,803,976 km

• M1: 438,471 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.88 AU - 3.58 AU

Year: 2153 Days

Day: 12.2 Hours

Environment

Temp: -111 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.35 AU - 4.61 AU

Year: 2945 Days

Day: 29.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 37.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.8 AU - 4.94 AU

Year: 3388 Days

Day: 48 Hours

Environment

Temp: -131 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,803,976 km

• M1: 499,956 km (0.06 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.42 AU - 4.48 AU

Year: 3481 Days

Day: 40.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.1

Radius: 14.2

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.83 AU - 6.21 AU

Year: 4171 Days

Day: 10 Hours

Environment

Temp: -150 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 43,803,976 km

• M1: 190,737 km (0.111 R)
• M2: 279,598 km (0.083 R)
• M3: 391,647 km (0.104 R)
• M4: 490,083 km (0.096 R)
• M5: 583,880 km (0.048 R)
• M6: 794,215 km (0.056 R)
• M7: 929,751 km (0.093 R)
• M8: 1,052,720 km (0.115 R)
• M9: 1,215,184 km (0.078 R)
• M10: 1,627,924 km (0.085 R)
• M11: 1,805,646 km (0.079 R)
• M12: 2,098,110 km (0.11 R)
• M13: 2,392,070 km (0.076 R)
• M14: 2,625,143 km (0.108 R)
• M15: 2,714,603 km (0.098 R)
• M16: 2,989,115 km (0.119 R)
• M17: 3,098,322 km (0.071 R)
• M18: 3,369,393 km (0.088 R)
• M19: 3,565,516 km (0.073 R)
• M20: 3,715,114 km (0.059 R)
• M21: 4,141,916 km (0.087 R)
• M22: 4,299,443 km (0.117 R)
• M23: 4,566,475 km (0.053 R)
• M24: 4,674,933 km (0.12 R)
• M25: 4,931,195 km (0.095 R)
• M26: 5,553,671 km (0.062 R)
• M27: 6,161,338 km (0.117 R)
• M28: 6,261,419 km (0.089 R)
• M29: 6,382,144 km (0.077 R)
• M30: 6,687,474 km (0.102 R)
• M31: 7,060,272 km (0.079 R)
• M32: 8,065,719 km (0.073 R)
• M33: 8,507,182 km (0.079 R)
• M34: 8,775,860 km (0.045 R)
• M35: 8,911,246 km (0.091 R)
• M36: 9,115,746 km (0.105 R)
• M37: 9,275,816 km (0.117 R)
• M38: 9,413,895 km (0.096 R)
• M39: 9,575,760 km (0.077 R)
• M40: 9,715,185 km (0.105 R)
• M41: 10,185,072 km (0.034 R)
• M42: 11,244,823 km (0.102 R)
• M43: 11,589,347 km (0.095 R)
• M44: 11,738,047 km (0.091 R)
• M45: 12,012,410 km (0.109 R)
• M46: 12,213,320 km (0.095 R)
• M47: 12,339,431 km (0.09 R)
• M48: 12,542,136 km (0.055 R)
• M49: 13,572,416 km (0.062 R)
• M50: 14,124,133 km (0.053 R)
• M51: 14,389,370 km (0.042 R)
• M52: 14,629,625 km (0.064 R)
• M53: 14,763,664 km (0.062 R)
• M54: 14,925,080 km (0.091 R)
• M55: 15,060,018 km (0.111 R)
• M56: 15,249,558 km (0.087 R)
• M57: 15,685,935 km (0.066 R)
• M58: 16,043,474 km (0.057 R)
• M59: 17,047,725 km (0.078 R)
• M60: 17,472,283 km (0.116 R)
• M61: 17,757,267 km (0.086 R)
• M62: 18,015,024 km (0.113 R)
• M63: 18,389,468 km (0.103 R)
• M64: 18,534,279 km (0.119 R)
• M65: 18,679,389 km (0.099 R)
• M66: 19,058,470 km (0.098 R)
• M67: 19,469,564 km (0.09 R)
• M68: 19,557,977 km (0.107 R)
• M69: 19,794,641 km (0.091 R)
• M70: 19,913,272 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.4

Radius: 13.3

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.16 AU - 7.4 AU

Year: 5836 Days

Day: 14.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 43,803,976 km

• M1: 180,864 km (0.068 R)
• M2: 321,037 km (0.078 R)
• M3: 582,235 km (0.07 R)
• M4: 754,422 km (0.116 R)
• M5: 1,017,864 km (0.072 R)
• M6: 1,107,473 km (0.103 R)
• M7: 1,295,667 km (0.114 R)
• M8: 1,633,459 km (0.065 R)
• M9: 1,924,128 km (0.04 R)
• M10: 2,095,268 km (0.084 R)
• M11: 2,291,391 km (0.088 R)
• M12: 2,639,056 km (0.119 R)
• M13: 2,765,915 km (0.119 R)
• M14: 3,523,329 km (0.111 R)
• M15: 3,758,048 km (0.112 R)
• M16: 3,853,492 km (0.102 R)
• M17: 4,268,027 km (0.035 R)
• M18: 5,515,075 km (0.06 R)
• M19: 5,926,768 km (0.031 R)
• M20: 6,038,219 km (0.085 R)
• M21: 6,520,074 km (0.078 R)
• M22: 6,955,553 km (0.086 R)
• M23: 7,550,953 km (0.089 R)
• M24: 8,100,874 km (0.062 R)
• M25: 8,256,007 km (0.087 R)
• M26: 8,443,453 km (0.076 R)
• M27: 8,822,534 km (0.042 R)
• M28: 9,827,683 km (0.077 R)
• M29: 10,226,510 km (0.034 R)
• M30: 10,461,678 km (0.059 R)
• M31: 10,903,142 km (0.11 R)
• M32: 12,015,851 km (0.109 R)
• M33: 12,192,974 km (0.101 R)
• M34: 13,055,406 km (0.108 R)
• M35: 13,347,272 km (0.033 R)
• M36: 14,198,334 km (0.091 R)
• M37: 14,876,611 km (0.118 R)
• M38: 15,105,047 km (0.097 R)
• M39: 15,450,019 km (0.108 R)
• M40: 15,720,043 km (0.045 R)
• M41: 15,913,922 km (0.111 R)
• M42: 16,108,549 km (0.116 R)
• M43: 16,855,491 km (0.114 R)
• M44: 17,054,008 km (0.098 R)
• M45: 17,694,287 km (0.085 R)
• M46: 18,220,273 km (0.081 R)
• M47: 18,342,494 km (0.107 R)
• M48: 18,751,495 km (0.088 R)
• M49: 18,874,763 km (0.089 R)
• M50: 19,163,637 km (0.114 R)
• M51: 19,871,085 km (0.116 R)
• M52: 20,375,529 km (0.06 R)
• M53: 20,460,052 km (0.066 R)
• M54: 20,841,826 km (0.057 R)
• M55: 21,097,638 km (0.097 R)
• M56: 22,654,204 km (0.099 R)
• M57: 23,402,044 km (0.084 R)
• M58: 23,756,740 km (0.104 R)
• M59: 23,934,911 km (0.062 R)
• M60: 24,606,456 km (0.066 R)
• M61: 24,741,543 km (0.078 R)
• M62: 24,922,108 km (0.092 R)
• M63: 25,968,395 km (0.106 R)
• M64: 26,473,737 km (0.119 R)
• M65: 26,797,167 km (0.042 R)
• M66: 29,240,101 km (0.108 R)
• M67: 29,478,709 km (0.081 R)
• M68: 30,150,404 km (0.053 R)
• M69: 30,488,196 km (0.12 R)
• M70: 30,633,306 km (0.036 R)
• M71: 31,411,215 km (0.081 R)
• M72: 31,508,902 km (0.084 R)
• M73: 31,753,494 km (0.085 R)
• M74: 32,590,195 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.7

Radius: 12.5

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 7.7 AU - 7.74 AU

Year: 7955 Days

Day: 10.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 43,803,976 km

• M1: 159,023 km (0.067 R)
• M2: 270,024 km (0.113 R)
• M3: 529,427 km (0.1 R)
• M4: 635,941 km (0.076 R)
• M5: 736,171 km (0.112 R)
• M6: 1,021,305 km (0.11 R)
• M7: 1,436,888 km (0.081 R)
• M8: 1,593,816 km (0.105 R)
• M9: 1,818,961 km (0.06 R)
• M10: 1,924,876 km (0.074 R)
• M11: 2,369,929 km (0.091 R)
• M12: 2,724,776 km (0.115 R)
• M13: 2,896,215 km (0.118 R)
• M14: 3,511,660 km (0.061 R)
• M15: 3,971,973 km (0.064 R)
• M16: 4,083,124 km (0.094 R)
• M17: 4,394,288 km (0.109 R)
• M18: 4,567,223 km (0.11 R)
• M19: 4,742,552 km (0.028 R)
• M20: 4,860,734 km (0.113 R)
• M21: 5,069,722 km (0.063 R)
• M22: 5,251,334 km (0.083 R)
• M23: 5,435,190 km (0.036 R)
• M24: 6,880,904 km (0.11 R)
• M25: 7,183,839 km (0.11 R)
• M26: 7,491,113 km (0.113 R)
• M27: 8,224,891 km (0.119 R)
• M28: 8,981,707 km (0.115 R)
• M29: 9,202,064 km (0.097 R)
• M30: 9,573,366 km (0.096 R)
• M31: 10,292,184 km (0.119 R)
• M32: 10,950,265 km (0.12 R)
• M33: 11,942,697 km (0.077 R)
• M34: 12,388,499 km (0.109 R)
• M35: 12,839,686 km (0.113 R)
• M36: 13,505,845 km (0.115 R)
• M37: 14,097,804 km (0.095 R)
• M38: 14,525,953 km (0.07 R)
• M39: 15,001,824 km (0.108 R)
• M40: 15,219,788 km (0.104 R)
• M41: 15,747,270 km (0.104 R)
• M42: 16,370,345 km (0.107 R)
• M43: 16,956,171 km (0.116 R)
• M44: 17,319,993 km (0.115 R)
• M45: 17,594,654 km (0.112 R)
• M46: 18,567,190 km (0.109 R)
• M47: 18,660,838 km (0.096 R)
• M48: 19,986,724 km (0.069 R)
• M49: 20,082,617 km (0.091 R)
• M50: 21,001,147 km (0.117 R)
• M51: 22,429,508 km (0.107 R)
• M52: 24,041,724 km (0.112 R)
• M53: 26,476,729 km (0.059 R)
• M54: 26,740,320 km (0.084 R)
• M55: 27,004,809 km (0.09 R)
• M56: 27,323,453 km (0.097 R)
• M57: 27,536,480 km (0.081 R)
• M58: 27,696,699 km (0.076 R)
• M59: 28,826,612 km (0.111 R)
• M60: 30,577,206 km (0.082 R)
• M61: 30,853,813 km (0.073 R)
• M62: 31,298,268 km (0.103 R)
• M63: 31,409,719 km (0.12 R)
• M64: 33,040,036 km (0.053 R)
• M65: 33,779,947 km (0.066 R)
• M66: 33,894,240 km (0.116 R)
• M67: 36,324,308 km (0.111 R)
• M68: 37,856,489 km (0.115 R)
• M69: 39,892,067 km (0.076 R)
• M70: 40,012,793 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 201.8

Radius: 6.1

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 9.51 AU - 15.19 AU

Year: 16096 Days

Day: 21.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 43,803,976 km

• M1: 107,112 km (0.068 R)
• M2: 148,251 km (0.071 R)
• M3: 208,988 km (0.097 R)
• M4: 248,781 km (0.095 R)
• M5: 350,059 km (0.118 R)
• M6: 425,756 km (0.11 R)
• M7: 579,542 km (0.079 R)
• M8: 718,519 km (0.106 R)
• M9: 903,122 km (0.077 R)
• M10: 1,217,427 km (0.06 R)
• M11: 1,458,729 km (0.064 R)
• M12: 1,781,262 km (0.098 R)
• M13: 2,692,762 km (0.106 R)
• M14: 2,744,373 km (0.11 R)
• M15: 2,979,990 km (0.061 R)
• M16: 3,168,034 km (0.071 R)
• M17: 3,415,319 km (0.11 R)
• M18: 3,499,094 km (0.096 R)
• M19: 4,224,045 km (0.105 R)
• M20: 4,314,103 km (0.115 R)
• M21: 4,680,768 km (0.109 R)
• M22: 4,742,851 km (0.108 R)
• M23: 5,057,455 km (0.11 R)
• M24: 5,378,791 km (0.101 R)
• M25: 5,476,479 km (0.115 R)
• M26: 5,673,649 km (0.047 R)
• M27: 5,739,771 km (0.116 R)
• M28: 5,973,742 km (0.035 R)
• M29: 6,074,870 km (0.119 R)
• M30: 6,450,810 km (0.096 R)
• M31: 6,694,056 km (0.107 R)
• M32: 7,082,262 km (0.081 R)
• M33: 7,586,856 km (0.094 R)
• M34: 7,733,163 km (0.041 R)
• M35: 8,365,363 km (0.09 R)
• M36: 8,783,340 km (0.077 R)
• M37: 8,821,637 km (0.096 R)
• M38: 8,860,083 km (0.095 R)
• M39: 10,890,276 km (0.114 R)
• M40: 11,346,400 km (0.071 R)
• M41: 11,388,138 km (0.059 R)
• M42: 12,063,423 km (0.116 R)
• M43: 12,234,263 km (0.09 R)
• M44: 13,188,099 km (0.113 R)
• M45: 13,852,164 km (0.052 R)
• M46: 14,165,722 km (0.112 R)
• M47: 15,028,752 km (0.072 R)
• M48: 15,536,038 km (0.048 R)
• M49: 15,675,463 km (0.064 R)
• M50: 15,861,862 km (0.093 R)
• M51: 16,567,665 km (0.112 R)
• M52: 16,948,242 km (0.111 R)
• M53: 17,863,482 km (0.078 R)
• M54: 18,646,776 km (0.106 R)
• M55: 18,844,395 km (0.098 R)
• M56: 19,441,141 km (0.081 R)
• M57: 19,641,452 km (0.086 R)
• M58: 20,044,170 km (0.095 R)
• M59: 20,653,482 km (0.099 R)
• M60: 21,114,243 km (0.114 R)
• M61: 21,578,595 km (0.081 R)
• M62: 22,780,165 km (0.104 R)
• M63: 23,203,228 km (0.088 R)
• M64: 23,628,984 km (0.065 R)
• M65: 23,735,797 km (0.085 R)
• M66: 24,487,975 km (0.058 R)
• M67: 24,758,448 km (0.096 R)
• M68: 28,933,724 km (0.096 R)
• M69: 28,990,871 km (0.096 R)
• M70: 29,391,793 km (0.094 R)
• M71: 29,449,238 km (0.091 R)
• M72: 30,897,047 km (0.103 R)
• M73: 31,130,719 km (0.106 R)
• M74: 32,071,839 km (0.119 R)
• M75: 32,190,021 km (0.07 R)
• M76: 32,486,374 km (0.105 R)
• M77: 32,664,695 km (0.031 R)
• M78: 33,261,142 km (0.109 R)
• M79: 33,440,809 km (0.041 R)
• M80: 34,102,331 km (0.115 R)
• M81: 35,133,060 km (0.105 R)
• M82: 35,621,647 km (0.103 R)
• M83: 35,682,832 km (0.109 R)
• M84: 35,928,173 km (0.1 R)
• M85: 37,100,870 km (0.101 R)
• M86: 37,723,197 km (0.026 R)
• M87: 37,910,494 km (0.115 R)
• M88: 38,098,090 km (0.082 R)
• M89: 39,230,546 km (0.069 R)
• M90: 39,928,120 km (0.042 R)
• M91: 40,693,613 km (0.067 R)
• M92: 40,949,874 km (0.074 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 17,487 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit