🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.93 AU - 1.05 AU

Year: 346 Days

Day: 38.9 Hours

Environment

Temp: 108 °C

Axial Tilt: 24.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.99 AU - 1.11 AU

Year: 378 Days

Day: 22.1 Hours

Environment

Temp: 140 °C

Axial Tilt: 8.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 75,025,085 km

• M1: 206,295 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.52 AU - 2.18 AU

Year: 884 Days

Day: 38.7 Hours

Environment

Temp: -38 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.84 AU - 3.04 AU

Year: 1340 Days

Day: 46 Hours

Environment

Temp: -74 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,025,085 km

• M1: 557,252 km (0.086 R)

Asteroid Belt

Center: 4.91 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.6

Radius: 9.9

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.54 AU - 9.22 AU

Year: 7046 Days

Day: 14.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 75,025,085 km

• M1: 126,261 km (0.064 R)
• M2: 253,868 km (0.045 R)
• M3: 363,373 km (0.072 R)
• M4: 760,556 km (0.081 R)
• M5: 1,185,563 km (0.107 R)
• M6: 1,354,010 km (0.105 R)
• M7: 1,945,520 km (0.089 R)
• M8: 2,675,558 km (0.097 R)
• M9: 2,831,140 km (0.046 R)
• M10: 3,128,091 km (0.117 R)
• M11: 3,315,837 km (0.096 R)
• M12: 3,653,479 km (0.039 R)
• M13: 5,084,383 km (0.081 R)
• M14: 5,166,961 km (0.095 R)
• M15: 5,643,580 km (0.113 R)
• M16: 6,668,923 km (0.078 R)
• M17: 6,759,580 km (0.068 R)
• M18: 7,249,513 km (0.105 R)
• M19: 7,311,596 km (0.09 R)
• M20: 7,467,477 km (0.059 R)
• M21: 7,530,158 km (0.082 R)
• M22: 7,656,120 km (0.088 R)
• M23: 7,814,394 km (0.069 R)
• M24: 7,878,123 km (0.069 R)
• M25: 8,198,861 km (0.086 R)
• M26: 8,919,923 km (0.117 R)
• M27: 9,423,170 km (0.109 R)
• M28: 9,524,896 km (0.107 R)
• M29: 9,661,180 km (0.07 R)
• M30: 9,935,692 km (0.104 R)
• M31: 10,177,891 km (0.065 R)
• M32: 10,809,942 km (0.067 R)
• M33: 10,987,664 km (0.083 R)
• M34: 11,672,224 km (0.071 R)
• M35: 11,781,580 km (0.109 R)
• M36: 12,259,396 km (0.07 R)
• M37: 12,781,193 km (0.098 R)
• M38: 13,348,169 km (0.114 R)
• M39: 13,615,501 km (0.087 R)
• M40: 13,730,691 km (0.112 R)
• M41: 14,155,699 km (0.093 R)
• M42: 14,467,610 km (0.027 R)
• M43: 14,900,098 km (0.094 R)
• M44: 15,296,831 km (0.065 R)
• M45: 15,777,788 km (0.063 R)
• M46: 16,222,842 km (0.101 R)
• M47: 16,426,594 km (0.089 R)
• M48: 17,333,008 km (0.109 R)
• M49: 17,624,724 km (0.118 R)
• M50: 18,086,682 km (0.086 R)
• M51: 18,850,977 km (0.101 R)
• M52: 19,756,044 km (0.055 R)
• M53: 20,104,458 km (0.081 R)
• M54: 20,323,320 km (0.095 R)
• M55: 21,028,973 km (0.105 R)
• M56: 21,608,216 km (0.097 R)
• M57: 21,877,342 km (0.113 R)
• M58: 22,147,666 km (0.066 R)
• M59: 23,056,473 km (0.099 R)
• M60: 23,331,434 km (0.08 R)
• M61: 23,561,365 km (0.087 R)
• M62: 25,902,722 km (0.032 R)
• M63: 26,045,438 km (0.099 R)
• M64: 27,391,071 km (0.06 R)
• M65: 27,682,338 km (0.093 R)
• M66: 28,072,340 km (0.079 R)
• M67: 28,660,708 km (0.113 R)
• M68: 28,956,463 km (0.099 R)
• M69: 29,501,298 km (0.04 R)
• M70: 31,918,052 km (0.103 R)
• M71: 32,737,549 km (0.117 R)
• M72: 32,995,157 km (0.105 R)
• M73: 33,771,869 km (0.065 R)
• M74: 34,084,229 km (0.075 R)
• M75: 34,764,301 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.5

Radius: 11

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 6.34 AU - 10.04 AU

Year: 8238 Days

Day: 5.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 75,025,085 km

• M1: 180,265 km (0.105 R)
• M2: 459,116 km (0.038 R)
• M3: 667,805 km (0.072 R)
• M4: 1,103,135 km (0.114 R)
• M5: 1,234,332 km (0.106 R)
• M6: 1,451,399 km (0.091 R)
• M7: 1,991,148 km (0.056 R)
• M8: 2,343,451 km (0.1 R)
• M9: 2,564,407 km (0.052 R)
• M10: 2,818,125 km (0.072 R)
• M11: 3,079,921 km (0.103 R)
• M12: 3,515,550 km (0.038 R)
• M13: 3,826,564 km (0.088 R)
• M14: 3,970,776 km (0.081 R)
• M15: 4,175,875 km (0.088 R)
• M16: 4,354,495 km (0.117 R)
• M17: 5,349,470 km (0.115 R)
• M18: 6,515,436 km (0.1 R)
• M19: 6,932,814 km (0.115 R)
• M20: 7,073,885 km (0.07 R)
• M21: 7,323,115 km (0.081 R)
• M22: 8,014,108 km (0.079 R)
• M23: 9,070,418 km (0.068 R)
• M24: 9,575,610 km (0.11 R)
• M25: 9,732,987 km (0.102 R)
• M26: 10,050,135 km (0.102 R)
• M27: 10,411,114 km (0.103 R)
• M28: 11,145,789 km (0.09 R)
• M29: 12,066,415 km (0.11 R)
• M30: 12,924,358 km (0.074 R)
• M31: 13,625,075 km (0.102 R)
• M32: 14,699,038 km (0.098 R)
• M33: 14,835,172 km (0.098 R)
• M34: 15,154,563 km (0.112 R)
• M35: 15,384,047 km (0.085 R)
• M36: 15,892,979 km (0.093 R)
• M37: 16,032,853 km (0.114 R)
• M38: 16,548,816 km (0.075 R)
• M39: 16,880,025 km (0.075 R)
• M40: 17,645,368 km (0.079 R)
• M41: 17,838,499 km (0.081 R)
• M42: 18,324,393 km (0.117 R)
• M43: 18,519,917 km (0.076 R)
• M44: 19,061,312 km (0.079 R)
• M45: 19,858,070 km (0.069 R)
• M46: 21,022,390 km (0.118 R)
• M47: 21,175,878 km (0.09 R)
• M48: 22,731,396 km (0.068 R)
• M49: 22,888,923 km (0.117 R)
• M50: 23,258,131 km (0.038 R)
• M51: 23,363,896 km (0.115 R)
• M52: 23,895,417 km (0.057 R)
• M53: 24,646,249 km (0.06 R)
• M54: 24,970,428 km (0.05 R)
• M55: 25,187,195 km (0.081 R)
• M56: 25,622,824 km (0.059 R)
• M57: 26,060,996 km (0.094 R)
• M58: 26,226,003 km (0.08 R)
• M59: 27,167,273 km (0.07 R)
• M60: 27,390,323 km (0.089 R)
• M61: 27,726,170 km (0.08 R)
• M62: 27,950,717 km (0.072 R)
• M63: 28,741,641 km (0.055 R)
• M64: 29,139,870 km (0.045 R)
• M65: 29,597,191 km (0.042 R)
• M66: 32,508,964 km (0.118 R)
• M67: 32,864,408 km (0.113 R)
• M68: 33,280,889 km (0.068 R)
• M69: 34,179,074 km (0.086 R)
• M70: 34,299,351 km (0.112 R)
• M71: 34,721,815 km (0.118 R)
• M72: 34,963,865 km (0.095 R)
• M73: 36,736,151 km (0.085 R)
• M74: 37,664,256 km (0.073 R)
• M75: 39,480,374 km (0.077 R)
• M76: 39,859,605 km (0.114 R)
• M77: 40,113,173 km (0.06 R)
• M78: 40,303,761 km (0.112 R)
• M79: 40,685,684 km (0.098 R)
• M80: 41,517,299 km (0.049 R)
• M81: 42,483,851 km (0.098 R)
• M82: 42,613,253 km (0.119 R)
• M83: 43,067,432 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450

Radius: 8.6

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.33 AU - 11.75 AU

Year: 10356 Days

Day: 5.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 75,025,085 km

• M1: 110,702 km (0.098 R)
• M2: 169,943 km (0.087 R)
• M3: 285,283 km (0.099 R)
• M4: 460,163 km (0.107 R)
• M5: 963,410 km (0.072 R)
• M6: 1,105,977 km (0.111 R)
• M7: 1,575,266 km (0.07 R)
• M8: 1,964,669 km (0.107 R)
• M9: 2,055,325 km (0.093 R)
• M10: 2,678,101 km (0.089 R)
• M11: 2,855,375 km (0.052 R)
• M12: 3,630,441 km (0.053 R)
• M13: 3,714,216 km (0.083 R)
• M14: 4,377,982 km (0.077 R)
• M15: 4,467,292 km (0.044 R)
• M16: 4,677,925 km (0.099 R)
• M17: 5,457,031 km (0.113 R)
• M18: 5,812,625 km (0.114 R)
• M19: 6,075,918 km (0.102 R)
• M20: 6,142,339 km (0.078 R)
• M21: 6,716,944 km (0.111 R)
• M22: 6,993,252 km (0.063 R)
• M23: 7,167,832 km (0.035 R)
• M24: 7,628,594 km (0.108 R)
• M25: 7,880,816 km (0.087 R)
• M26: 8,172,232 km (0.1 R)
• M27: 9,030,027 km (0.096 R)
• M28: 9,105,873 km (0.08 R)
• M29: 9,411,800 km (0.119 R)
• M30: 9,527,440 km (0.093 R)
• M31: 9,604,782 km (0.117 R)
• M32: 9,838,005 km (0.067 R)
• M33: 10,073,023 km (0.11 R)
• M34: 10,548,894 km (0.079 R)
• M35: 10,910,472 km (0.104 R)
• M36: 11,072,636 km (0.102 R)
• M37: 11,194,708 km (0.104 R)
• M38: 11,894,826 km (0.101 R)
• M39: 12,103,365 km (0.073 R)
• M40: 13,510,632 km (0.12 R)
• M41: 13,684,615 km (0.032 R)
• M42: 13,771,980 km (0.071 R)
• M43: 13,903,327 km (0.099 R)
• M44: 14,923,884 km (0.07 R)
• M45: 15,876,672 km (0.087 R)
• M46: 16,014,452 km (0.102 R)
• M47: 16,244,833 km (0.072 R)
• M48: 16,383,660 km (0.1 R)
• M49: 16,755,710 km (0.097 R)
• M50: 16,942,707 km (0.103 R)
• M51: 17,413,491 km (0.095 R)
• M52: 18,464,117 km (0.091 R)
• M53: 18,560,608 km (0.111 R)
• M54: 18,705,718 km (0.113 R)
• M55: 19,436,952 km (0.087 R)
• M56: 21,027,925 km (0.087 R)
• M57: 21,839,045 km (0.081 R)
• M58: 22,043,396 km (0.071 R)
• M59: 22,919,142 km (0.105 R)
• M60: 24,864,064 km (0.114 R)
• M61: 25,077,540 km (0.092 R)
• M62: 25,452,432 km (0.079 R)
• M63: 28,017,736 km (0.115 R)
• M64: 28,073,237 km (0.111 R)
• M65: 28,184,239 km (0.055 R)
• M66: 28,909,639 km (0.088 R)
• M67: 29,471,828 km (0.116 R)
• M68: 30,549,830 km (0.11 R)
• M69: 31,467,763 km (0.112 R)
• M70: 31,698,592 km (0.095 R)
• M71: 32,104,002 km (0.102 R)
• M72: 32,802,923 km (0.075 R)
• M73: 33,978,912 km (0.111 R)
• M74: 34,097,244 km (0.088 R)
• M75: 34,929,756 km (0.065 R)
• M76: 35,588,436 km (0.119 R)
• M77: 35,648,574 km (0.079 R)
• M78: 35,949,416 km (0.105 R)
• M79: 36,009,703 km (0.074 R)
• M80: 36,069,991 km (0.09 R)
• M81: 37,405,751 km (0.046 R)
• M82: 38,633,949 km (0.092 R)
• M83: 40,000,227 km (0.108 R)
• M84: 40,062,609 km (0.067 R)
• M85: 40,438,249 km (0.111 R)
• M86: 40,877,917 km (0.119 R)
• M87: 41,382,212 km (0.109 R)
• M88: 41,761,891 km (0.049 R)
• M89: 42,524,691 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.7

Radius: 4.7

Gravity: 21.63 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 14.2 AU - 18.7 AU

Year: 23449 Days

Day: 16 Hours

Environment

Temp: -183 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 75,025,085 km

• M1: 467,643 km (0.053 R)
• M2: 798,105 km (0.091 R)
• M3: 1,358,498 km (0.094 R)
• M4: 1,629,121 km (0.086 R)
• M5: 2,393,566 km (0.108 R)
• M6: 2,572,784 km (0.096 R)
• M7: 3,331,844 km (0.09 R)
• M8: 4,722,057 km (0.111 R)
• M9: 5,128,664 km (0.101 R)
• M10: 5,452,842 km (0.092 R)
• M11: 5,831,175 km (0.081 R)
• M12: 5,975,388 km (0.09 R)
• M13: 6,414,757 km (0.079 R)
• M14: 7,221,388 km (0.04 R)
• M15: 7,741,540 km (0.108 R)
• M16: 8,219,954 km (0.116 R)
• M17: 8,435,674 km (0.059 R)
• M18: 10,285,153 km (0.105 R)
• M19: 11,046,905 km (0.071 R)
• M20: 11,524,571 km (0.118 R)
• M21: 12,376,681 km (0.118 R)
• M22: 12,562,032 km (0.115 R)
• M23: 13,692,544 km (0.103 R)
• M24: 14,594,170 km (0.089 R)
• M25: 14,724,470 km (0.113 R)
• M26: 14,855,218 km (0.116 R)
• M27: 16,862,223 km (0.069 R)
• M28: 17,480,810 km (0.111 R)
• M29: 17,549,925 km (0.11 R)
• M30: 20,829,110 km (0.112 R)
• M31: 21,566,478 km (0.03 R)
• M32: 22,013,027 km (0.079 R)
• M33: 22,462,569 km (0.034 R)
• M34: 23,982,932 km (0.058 R)
• M35: 24,059,826 km (0.118 R)
• M36: 25,222,949 km (0.074 R)
• M37: 25,614,746 km (0.105 R)
• M38: 26,008,487 km (0.119 R)
• M39: 28,088,197 km (0.099 R)
• M40: 28,494,206 km (0.12 R)
• M41: 29,147,948 km (0.075 R)
• M42: 30,887,173 km (0.047 R)
• M43: 31,138,348 km (0.085 R)
• M44: 31,306,197 km (0.063 R)
• M45: 34,725,705 km (0.077 R)
• M46: 35,248,849 km (0.114 R)
• M47: 36,656,265 km (0.063 R)
• M48: 37,188,834 km (0.118 R)
• M49: 37,456,016 km (0.082 R)
• M50: 38,892,006 km (0.066 R)
• M51: 39,163,227 km (0.113 R)
• M52: 39,253,883 km (0.069 R)
• M53: 39,889,674 km (0.103 R)
• M54: 40,254,543 km (0.12 R)
• M55: 40,803,866 km (0.095 R)
• M56: 41,171,578 km (0.084 R)
• M57: 42,280,996 km (0.07 R)
• M58: 43,493,935 km (0.096 R)
• M59: 44,151,867 km (0.064 R)
• M60: 45,002,480 km (0.093 R)
• M61: 45,192,320 km (0.04 R)
• M62: 45,477,453 km (0.045 R)
• M63: 46,145,109 km (0.089 R)
• M64: 47,104,630 km (0.059 R)
• M65: 49,140,806 km (0.101 R)
• M66: 49,923,951 km (0.065 R)
• M67: 50,514,115 km (0.069 R)
• M68: 50,908,754 km (0.116 R)
• M69: 51,205,556 km (0.064 R)
• M70: 53,499,191 km (0.102 R)
• M71: 56,745,614 km (0.108 R)
• M72: 58,806,923 km (0.078 R)
• M73: 60,578,162 km (0.1 R)
• M74: 60,682,880 km (0.063 R)
• M75: 62,790,265 km (0.098 R)
• M76: 63,639,832 km (0.088 R)
• M77: 65,028,549 km (0.115 R)
• M78: 66,643,458 km (0.116 R)
• M79: 68,489,346 km (0.108 R)
• M80: 69,363,895 km (0.087 R)
• M81: 69,912,321 km (0.119 R)
• M82: 70,572,347 km (0.079 R)
• M83: 72,009,533 km (0.107 R)
• M84: 74,463,537 km (0.112 R)

Kuiper Belt

Range: 31.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 16,394 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit