🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.56 AU - 0.7 AU

Year: 187 Days

Day: 14.4 Hours

Environment

Temp: 172 °C

Axial Tilt: 7.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 88,493,557 km

• M1: 142,866 km (0.118 R)
• M2: 225,594 km (0.055 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.06 AU - 1.4 AU

Year: 511 Days

Day: 35.7 Hours

Environment

Temp: 4 °C

Axial Tilt: 8.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 88,493,557 km

• M1: 339,288 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.17 AU - 1.75 AU

Year: 661 Days

Day: 48 Hours

Environment

Temp: -48 °C

Axial Tilt: 44.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.53 AU - 2.53 AU

Year: 1084 Days

Day: 43.1 Hours

Environment

Temp: -66 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.6

Radius: 11.3

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.52 AU - 7.52 AU

Year: 6239 Days

Day: 7.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 88,493,557 km

• M1: 227,987 km (0.055 R)
• M2: 350,059 km (0.105 R)
• M3: 480,957 km (0.103 R)
• M4: 607,218 km (0.119 R)
• M5: 772,673 km (0.101 R)
• M6: 1,027,588 km (0.099 R)
• M7: 1,118,842 km (0.034 R)
• M8: 1,197,082 km (0.077 R)
• M9: 1,326,335 km (0.116 R)
• M10: 1,426,565 km (0.107 R)
• M11: 1,816,268 km (0.107 R)
• M12: 2,670,920 km (0.099 R)
• M13: 2,756,191 km (0.103 R)
• M14: 2,995,548 km (0.086 R)
• M15: 3,084,259 km (0.112 R)
• M16: 3,241,786 km (0.103 R)
• M17: 3,355,929 km (0.096 R)
• M18: 3,471,419 km (0.103 R)
• M19: 3,588,255 km (0.043 R)
• M20: 4,417,625 km (0.057 R)
• M21: 4,750,181 km (0.092 R)
• M22: 4,854,152 km (0.094 R)
• M23: 5,277,663 km (0.085 R)
• M24: 5,385,374 km (0.1 R)
• M25: 5,685,617 km (0.113 R)
• M26: 5,768,494 km (0.051 R)
• M27: 5,851,670 km (0.105 R)
• M28: 6,188,714 km (0.077 R)
• M29: 6,735,195 km (0.051 R)
• M30: 7,843,865 km (0.056 R)
• M31: 8,783,938 km (0.12 R)
• M32: 8,911,994 km (0.107 R)
• M33: 10,598,560 km (0.08 R)
• M34: 12,095,287 km (0.07 R)
• M35: 12,309,511 km (0.095 R)
• M36: 12,886,510 km (0.059 R)
• M37: 13,251,828 km (0.09 R)
• M38: 13,620,437 km (0.064 R)
• M39: 13,694,488 km (0.115 R)
• M40: 13,843,189 km (0.037 R)
• M41: 14,367,828 km (0.077 R)
• M42: 14,518,922 km (0.109 R)
• M43: 15,013,493 km (0.115 R)
• M44: 15,090,236 km (0.083 R)
• M45: 15,397,810 km (0.112 R)
• M46: 15,629,986 km (0.118 R)
• M47: 16,847,862 km (0.079 R)
• M48: 17,047,126 km (0.112 R)
• M49: 17,167,104 km (0.073 R)
• M50: 17,407,807 km (0.11 R)
• M51: 17,811,571 km (0.101 R)
• M52: 18,505,107 km (0.081 R)
• M53: 18,710,804 km (0.079 R)
• M54: 19,082,854 km (0.11 R)
• M55: 19,207,469 km (0.104 R)
• M56: 20,638,073 km (0.097 R)
• M57: 21,495,718 km (0.105 R)
• M58: 21,928,804 km (0.091 R)
• M59: 22,803,802 km (0.03 R)
• M60: 23,201,283 km (0.106 R)
• M61: 23,556,578 km (0.093 R)
• M62: 23,913,519 km (0.039 R)
• M63: 24,317,283 km (0.108 R)
• M64: 25,086,217 km (0.111 R)
• M65: 25,450,936 km (0.077 R)
• M66: 25,633,894 km (0.106 R)
• M67: 26,926,869 km (0.084 R)
• M68: 27,206,617 km (0.082 R)
• M69: 27,300,115 km (0.113 R)
• M70: 28,810,605 km (0.082 R)
• M71: 29,912,842 km (0.107 R)
• M72: 30,057,653 km (0.113 R)
• M73: 30,202,763 km (0.067 R)
• M74: 31,862,701 km (0.12 R)
• M75: 33,002,337 km (0.053 R)
• M76: 33,351,798 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.9

Radius: 13.4

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.72 AU - 8.22 AU

Year: 6896 Days

Day: 13.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 88,493,557 km

• M1: 224,098 km (0.096 R)
• M2: 498,011 km (0.04 R)
• M3: 851,212 km (0.091 R)
• M4: 966,851 km (0.061 R)
• M5: 1,280,707 km (0.098 R)
• M6: 1,381,536 km (0.118 R)
• M7: 1,737,579 km (0.087 R)
• M8: 1,831,228 km (0.093 R)
• M9: 1,926,671 km (0.112 R)
• M10: 2,083,150 km (0.064 R)
• M11: 2,493,049 km (0.049 R)
• M12: 2,578,020 km (0.113 R)
• M13: 2,817,377 km (0.064 R)
• M14: 2,928,528 km (0.1 R)
• M15: 3,041,175 km (0.069 R)
• M16: 3,132,430 km (0.091 R)
• M17: 3,554,745 km (0.066 R)
• M18: 3,675,320 km (0.077 R)
• M19: 3,970,327 km (0.094 R)
• M20: 4,120,823 km (0.09 R)
• M21: 4,557,499 km (0.116 R)
• M22: 6,303,007 km (0.11 R)
• M23: 6,390,971 km (0.086 R)
• M24: 6,686,726 km (0.111 R)
• M25: 7,384,450 km (0.074 R)
• M26: 8,010,068 km (0.066 R)
• M27: 8,233,119 km (0.067 R)
• M28: 8,522,890 km (0.1 R)
• M29: 9,212,237 km (0.103 R)
• M30: 9,851,319 km (0.073 R)
• M31: 9,953,644 km (0.098 R)
• M32: 10,193,599 km (0.077 R)
• M33: 10,574,625 km (0.116 R)
• M34: 11,172,567 km (0.102 R)
• M35: 11,279,231 km (0.066 R)
• M36: 11,926,541 km (0.078 R)
• M37: 12,254,609 km (0.086 R)
• M38: 13,257,064 km (0.048 R)
• M39: 13,596,950 km (0.115 R)
• M40: 14,016,572 km (0.079 R)
• M41: 14,285,699 km (0.113 R)
• M42: 15,537,983 km (0.061 R)
• M43: 15,657,212 km (0.055 R)
• M44: 17,152,293 km (0.087 R)
• M45: 17,357,841 km (0.073 R)
• M46: 17,605,725 km (0.109 R)
• M47: 17,730,040 km (0.073 R)
• M48: 18,314,071 km (0.04 R)
• M49: 19,758,588 km (0.08 R)
• M50: 19,887,840 km (0.102 R)
• M51: 20,407,543 km (0.111 R)
• M52: 21,948,850 km (0.112 R)
• M53: 22,711,051 km (0.109 R)
• M54: 22,936,794 km (0.091 R)
• M55: 23,847,546 km (0.095 R)
• M56: 24,630,990 km (0.089 R)
• M57: 25,563,583 km (0.079 R)
• M58: 26,602,690 km (0.092 R)
• M59: 26,792,979 km (0.096 R)
• M60: 28,187,081 km (0.093 R)
• M61: 28,575,886 km (0.053 R)
• M62: 29,900,874 km (0.072 R)
• M63: 30,247,642 km (0.08 R)
• M64: 30,645,573 km (0.111 R)
• M65: 30,745,354 km (0.07 R)
• M66: 30,995,332 km (0.118 R)
• M67: 31,446,819 km (0.091 R)
• M68: 31,698,592 km (0.081 R)
• M69: 32,356,374 km (0.107 R)
• M70: 32,763,430 km (0.056 R)
• M71: 32,967,481 km (0.099 R)
• M72: 34,046,381 km (0.096 R)
• M73: 34,408,408 km (0.097 R)
• M74: 34,512,229 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784.3

Radius: 4.2

Gravity: 44.46 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 12.45 AU - 13.71 AU

Year: 17727 Days

Day: 23 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 88,493,557 km

• M1: 54,603 km (0.107 R)
• M2: 160,967 km (0.102 R)
• M3: 259,852 km (0.031 R)
• M4: 639,381 km (0.106 R)
• M5: 729,589 km (0.081 R)
• M6: 999,015 km (0.1 R)
• M7: 1,240,615 km (0.105 R)
• M8: 1,470,248 km (0.068 R)
• M9: 2,303,957 km (0.11 R)
• M10: 2,443,232 km (0.087 R)
• M11: 2,766,513 km (0.104 R)
• M12: 3,103,258 km (0.082 R)
• M13: 3,374,180 km (0.115 R)
• M14: 3,652,582 km (0.092 R)
• M15: 4,401,768 km (0.087 R)
• M16: 4,574,703 km (0.116 R)
• M17: 4,749,732 km (0.1 R)
• M18: 6,469,958 km (0.069 R)
• M19: 7,014,943 km (0.058 R)
• M20: 7,318,328 km (0.081 R)
• M21: 8,201,105 km (0.057 R)
• M22: 9,171,995 km (0.078 R)
• M23: 9,226,897 km (0.059 R)
• M24: 11,278,333 km (0.096 R)
• M25: 11,574,088 km (0.064 R)
• M26: 11,812,397 km (0.094 R)
• M27: 12,233,515 km (0.08 R)
• M28: 12,537,199 km (0.119 R)
• M29: 13,588,573 km (0.119 R)
• M30: 14,092,867 km (0.107 R)
• M31: 14,411,361 km (0.092 R)
• M32: 15,708,375 km (0.114 R)
• M33: 17,313,410 km (0.11 R)
• M34: 17,585,978 km (0.074 R)
• M35: 17,997,372 km (0.053 R)
• M36: 18,273,380 km (0.098 R)
• M37: 19,532,994 km (0.119 R)
• M38: 20,030,407 km (0.102 R)
• M39: 20,244,781 km (0.09 R)
• M40: 21,110,204 km (0.082 R)
• M41: 22,356,504 km (0.103 R)
• M42: 23,475,945 km (0.107 R)
• M43: 25,227,587 km (0.113 R)
• M44: 25,459,164 km (0.106 R)
• M45: 26,158,085 km (0.095 R)
• M46: 26,236,026 km (0.105 R)
• M47: 27,654,064 km (0.1 R)
• M48: 28,532,802 km (0.071 R)
• M49: 30,072,164 km (0.06 R)
• M50: 30,646,021 km (0.043 R)
• M51: 31,555,128 km (0.088 R)
• M52: 32,473,060 km (0.049 R)
• M53: 33,823,779 km (0.061 R)
• M54: 35,797,424 km (0.107 R)
• M55: 36,492,605 km (0.067 R)
• M56: 37,192,275 km (0.116 R)
• M57: 38,161,519 km (0.088 R)
• M58: 38,250,081 km (0.078 R)
• M59: 39,765,358 km (0.109 R)
• M60: 40,485,223 km (0.056 R)
• M61: 41,027,964 km (0.058 R)
• M62: 42,946,258 km (0.078 R)
• M63: 43,499,770 km (0.114 R)
• M64: 43,592,221 km (0.08 R)
• M65: 45,361,665 km (0.038 R)
• M66: 45,643,208 km (0.065 R)
• M67: 46,019,447 km (0.067 R)
• M68: 46,585,824 km (0.068 R)
• M69: 47,439,579 km (0.115 R)
• M70: 50,128,750 km (0.103 R)
• M71: 50,808,822 km (0.093 R)
• M72: 53,360,962 km (0.092 R)
• M73: 54,552,958 km (0.095 R)
• M74: 55,753,780 km (0.059 R)
• M75: 56,256,578 km (0.044 R)
• M76: 56,659,894 km (0.114 R)
• M77: 57,774,249 km (0.117 R)
• M78: 57,875,826 km (0.095 R)
• M79: 59,202,759 km (0.079 R)
• M80: 59,613,106 km (0.112 R)
• M81: 60,024,350 km (0.114 R)
• M82: 61,160,097 km (0.096 R)
• M83: 61,574,783 km (0.114 R)
• M84: 61,678,604 km (0.072 R)
• M85: 64,609,525 km (0.11 R)
• M86: 71,041,037 km (0.037 R)
• M87: 71,149,944 km (0.111 R)
• M88: 72,023,296 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510

Radius: 3.5

Gravity: 41.63 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 16.66 AU - 19.72 AU

Year: 29072 Days

Day: 18.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 88,493,557 km

• M1: 95,294 km (0.088 R)
• M2: 205,996 km (0.119 R)
• M3: 239,506 km (0.104 R)
• M4: 275,110 km (0.106 R)
• M5: 622,626 km (0.045 R)
• M6: 1,343,538 km (0.099 R)
• M7: 1,681,630 km (0.087 R)
• M8: 1,752,389 km (0.114 R)
• M9: 1,788,143 km (0.056 R)
• M10: 1,933,403 km (0.092 R)
• M11: 2,044,853 km (0.075 R)
• M12: 3,096,078 km (0.092 R)
• M13: 3,314,490 km (0.115 R)
• M14: 3,583,318 km (0.104 R)
• M15: 4,285,381 km (0.1 R)
• M16: 4,382,170 km (0.102 R)
• M17: 4,776,510 km (0.025 R)
• M18: 6,518,727 km (0.105 R)
• M19: 6,967,820 km (0.104 R)
• M20: 7,253,552 km (0.11 R)
• M21: 8,014,108 km (0.062 R)
• M22: 8,677,275 km (0.112 R)
• M23: 8,738,460 km (0.113 R)
• M24: 9,170,649 km (0.052 R)
• M25: 9,927,464 km (0.105 R)
• M26: 10,443,128 km (0.086 R)
• M27: 10,638,653 km (0.111 R)
• M28: 12,178,015 km (0.097 R)
• M29: 13,571,968 km (0.053 R)
• M30: 14,795,828 km (0.063 R)
• M31: 15,384,047 km (0.115 R)
• M32: 15,829,998 km (0.097 R)
• M33: 16,431,381 km (0.096 R)
• M34: 16,582,924 km (0.076 R)
• M35: 17,733,930 km (0.065 R)
• M36: 18,279,813 km (0.096 R)
• M37: 20,355,184 km (0.092 R)
• M38: 21,751,830 km (0.032 R)
• M39: 23,009,798 km (0.118 R)
• M40: 23,947,029 km (0.111 R)
• M41: 24,032,898 km (0.101 R)
• M42: 25,070,808 km (0.11 R)
• M43: 28,271,155 km (0.093 R)
• M44: 28,999,547 km (0.104 R)
• M45: 29,826,375 km (0.11 R)
• M46: 30,011,128 km (0.083 R)
• M47: 30,474,881 km (0.111 R)
• M48: 30,660,981 km (0.079 R)
• M49: 31,503,217 km (0.097 R)
• M50: 33,785,931 km (0.086 R)
• M51: 34,461,814 km (0.114 R)
• M52: 34,558,754 km (0.04 R)
• M53: 34,947,259 km (0.103 R)
• M54: 35,337,261 km (0.116 R)
• M55: 36,318,473 km (0.057 R)
• M56: 37,707,190 km (0.113 R)
• M57: 38,408,057 km (0.102 R)
• M58: 39,416,795 km (0.097 R)
• M59: 41,460,152 km (0.113 R)
• M60: 43,328,330 km (0.055 R)
• M61: 45,011,905 km (0.089 R)
• M62: 45,542,379 km (0.11 R)
• M63: 46,716,722 km (0.101 R)
• M64: 47,361,489 km (0.092 R)
• M65: 47,469,200 km (0.082 R)
• M66: 47,792,929 km (0.083 R)
• M67: 48,334,174 km (0.088 R)
• M68: 57,149,079 km (0.074 R)
• M69: 58,877,832 km (0.101 R)
• M70: 59,341,735 km (0.1 R)
• M71: 61,679,202 km (0.079 R)
• M72: 61,796,786 km (0.087 R)
• M73: 62,504,384 km (0.039 R)
• M74: 63,451,937 km (0.118 R)
• M75: 64,762,564 km (0.049 R)
• M76: 64,882,093 km (0.064 R)
• M77: 65,721,337 km (0.068 R)
• M78: 66,082,167 km (0.112 R)
• M79: 66,684,896 km (0.064 R)
• M80: 69,970,963 km (0.081 R)
• M81: 71,448,242 km (0.095 R)
• M82: 71,942,962 km (0.114 R)
• M83: 72,811,378 km (0.108 R)
• M84: 73,683,384 km (0.096 R)
• M85: 76,193,636 km (0.079 R)
• M86: 82,461,189 km (0.036 R)
• M87: 82,590,890 km (0.091 R)
• M88: 83,500,146 km (0.053 R)
• M89: 84,151,645 km (0.117 R)
• M90: 84,412,693 km (0.047 R)
• M91: 86,906,190 km (0.074 R)
• M92: 87,698,760 km (0.072 R)
• M93: 87,963,398 km (0.099 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 16,080 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit