🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.75 AU - 0.77 AU

Year: 250 Days

Day: 29.7 Hours

Environment

Temp: 140 °C

Axial Tilt: 44.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 36,966,041 km

• M1: 82,428 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.9 AU - 1.18 AU

Year: 400 Days

Day: 33 Hours

Environment

Temp: 12 °C

Axial Tilt: 37.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 36,966,041 km

• M1: 776,114 km (0.109 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.9 AU - 4.56 AU

Year: 3277 Days

Day: 14.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.7 AU - 4.92 AU

Year: 3371 Days

Day: 18.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,966,041 km

• M1: 30,668 km (0.027 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.5

Radius: 11.3

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.4 AU - 4.74 AU

Year: 3680 Days

Day: 10.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 36,966,041 km

• M1: 175,179 km (0.046 R)
• M2: 353,350 km (0.081 R)
• M3: 657,931 km (0.113 R)
• M4: 923,168 km (0.114 R)
• M5: 1,019,360 km (0.071 R)
• M6: 1,281,455 km (0.079 R)
• M7: 1,489,396 km (0.115 R)
• M8: 1,775,128 km (0.098 R)
• M9: 1,869,824 km (0.06 R)
• M10: 2,036,177 km (0.113 R)
• M11: 2,178,743 km (0.079 R)
• M12: 2,610,932 km (0.045 R)
• M13: 3,435,216 km (0.057 R)
• M14: 3,761,938 km (0.051 R)
• M15: 4,116,784 km (0.069 R)
• M16: 4,279,995 km (0.059 R)
• M17: 4,353,298 km (0.066 R)
• M18: 4,519,651 km (0.106 R)
• M19: 4,669,398 km (0.089 R)
• M20: 5,031,575 km (0.043 R)
• M21: 5,265,097 km (0.081 R)
• M22: 5,462,417 km (0.068 R)
• M23: 5,783,304 km (0.084 R)
• M24: 6,213,847 km (0.092 R)
• M25: 6,932,964 km (0.118 R)
• M26: 7,192,965 km (0.095 R)
• M27: 7,324,312 km (0.1 R)
• M28: 7,655,970 km (0.082 R)
• M29: 9,078,796 km (0.109 R)
• M30: 9,173,341 km (0.111 R)
• M31: 9,531,030 km (0.109 R)
• M32: 10,137,201 km (0.083 R)
• M33: 10,407,973 km (0.111 R)
• M34: 10,856,168 km (0.107 R)
• M35: 11,285,215 km (0.081 R)
• M36: 11,489,116 km (0.096 R)
• M37: 11,874,630 km (0.072 R)
• M38: 12,579,386 km (0.118 R)
• M39: 12,896,982 km (0.098 R)
• M40: 13,190,343 km (0.064 R)
• M41: 13,351,460 km (0.118 R)
• M42: 13,594,108 km (0.076 R)
• M43: 13,974,685 km (0.072 R)
• M44: 14,193,696 km (0.038 R)
• M45: 14,413,755 km (0.098 R)
• M46: 14,662,835 km (0.12 R)
• M47: 14,746,161 km (0.072 R)
• M48: 15,025,012 km (0.104 R)
• M49: 15,193,160 km (0.088 R)
• M50: 15,305,657 km (0.047 R)
• M51: 15,390,180 km (0.116 R)
• M52: 15,786,764 km (0.102 R)
• M53: 16,301,680 km (0.086 R)
• M54: 16,705,893 km (0.065 R)
• M55: 17,025,883 km (0.032 R)
• M56: 17,908,810 km (0.051 R)
• M57: 18,236,280 km (0.078 R)
• M58: 18,415,647 km (0.091 R)
• M59: 18,957,641 km (0.086 R)
• M60: 19,382,798 km (0.098 R)
• M61: 20,026,368 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.7

Radius: 12.7

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.29 AU - 6.99 AU

Year: 6446 Days

Day: 8.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 36,966,041 km

• M1: 162,314 km (0.092 R)
• M2: 250,876 km (0.108 R)
• M3: 390,301 km (0.092 R)
• M4: 597,045 km (0.088 R)
• M5: 686,056 km (0.079 R)
• M6: 794,215 km (0.101 R)
• M7: 916,137 km (0.094 R)
• M8: 1,238,371 km (0.094 R)
• M9: 1,523,954 km (0.078 R)
• M10: 1,745,209 km (0.067 R)
• M11: 1,947,615 km (0.063 R)
• M12: 2,199,089 km (0.076 R)
• M13: 2,302,610 km (0.025 R)
• M14: 2,397,306 km (0.081 R)
• M15: 2,767,112 km (0.049 R)
• M16: 2,890,680 km (0.096 R)
• M17: 3,062,268 km (0.113 R)
• M18: 3,237,298 km (0.081 R)
• M19: 3,343,961 km (0.111 R)
• M20: 3,512,259 km (0.112 R)
• M21: 3,844,964 km (0.049 R)
• M22: 4,021,490 km (0.118 R)
• M23: 4,174,977 km (0.098 R)
• M24: 4,369,604 km (0.093 R)
• M25: 4,607,315 km (0.03 R)
• M26: 4,862,679 km (0.037 R)
• M27: 4,985,349 km (0.039 R)
• M28: 5,164,418 km (0.111 R)
• M29: 5,247,744 km (0.096 R)
• M30: 5,728,701 km (0.067 R)
• M31: 6,179,738 km (0.108 R)
• M32: 6,298,070 km (0.11 R)
• M33: 6,417,001 km (0.046 R)
• M34: 6,687,623 km (0.119 R)
• M35: 6,946,727 km (0.111 R)
• M36: 7,396,268 km (0.05 R)
• M37: 7,775,499 km (0.106 R)
• M38: 7,919,412 km (0.079 R)
• M39: 8,209,782 km (0.054 R)
• M40: 8,685,054 km (0.108 R)
• M41: 8,984,699 km (0.1 R)
• M42: 9,085,228 km (0.085 R)
• M43: 9,236,921 km (0.034 R)
• M44: 9,457,428 km (0.115 R)
• M45: 9,559,902 km (0.113 R)
• M46: 10,199,433 km (0.103 R)
• M47: 10,304,451 km (0.096 R)
• M48: 10,480,228 km (0.118 R)
• M49: 10,906,433 km (0.112 R)
• M50: 11,067,699 km (0.102 R)
• M51: 12,088,854 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.8

Radius: 7.3

Gravity: 16.04 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 15.06 AU - 17.5 AU

Year: 24746 Days

Day: 22.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 36,966,041 km

• M1: 114,592 km (0.034 R)
• M2: 264,040 km (0.099 R)
• M3: 357,539 km (0.101 R)
• M4: 735,124 km (0.089 R)
• M5: 873,801 km (0.114 R)
• M6: 1,082,640 km (0.12 R)
• M7: 1,209,200 km (0.047 R)
• M8: 1,374,356 km (0.056 R)
• M9: 2,896,364 km (0.092 R)
• M10: 3,485,032 km (0.118 R)
• M11: 3,578,979 km (0.118 R)
• M12: 3,865,609 km (0.057 R)
• M13: 4,110,052 km (0.097 R)
• M14: 4,978,767 km (0.061 R)
• M15: 6,355,217 km (0.108 R)
• M16: 6,527,853 km (0.108 R)
• M17: 6,702,134 km (0.079 R)
• M18: 7,055,185 km (0.11 R)
• M19: 7,114,576 km (0.071 R)
• M20: 7,474,807 km (0.1 R)
• M21: 7,840,873 km (0.085 R)
• M22: 8,781,545 km (0.048 R)
• M23: 9,167,806 km (0.087 R)
• M24: 9,757,521 km (0.06 R)
• M25: 9,823,793 km (0.088 R)
• M26: 9,890,214 km (0.106 R)
• M27: 10,835,972 km (0.089 R)
• M28: 11,180,795 km (0.118 R)
• M29: 11,250,059 km (0.079 R)
• M30: 11,389,335 km (0.027 R)
• M31: 12,093,941 km (0.101 R)
• M32: 12,165,149 km (0.06 R)
• M33: 12,308,015 km (0.09 R)
• M34: 12,379,673 km (0.038 R)
• M35: 12,523,436 km (0.116 R)
• M36: 12,667,648 km (0.098 R)
• M37: 13,471,139 km (0.063 R)
• M38: 15,126,888 km (0.092 R)
• M39: 15,280,525 km (0.042 R)
• M40: 16,292,106 km (0.091 R)
• M41: 17,084,825 km (0.109 R)
• M42: 18,052,723 km (0.069 R)
• M43: 18,955,546 km (0.111 R)
• M44: 21,924,316 km (0.118 R)
• M45: 22,185,514 km (0.102 R)
• M46: 23,063,354 km (0.09 R)
• M47: 24,042,023 km (0.036 R)
• M48: 26,224,208 km (0.088 R)
• M49: 26,686,764 km (0.09 R)
• M50: 27,151,864 km (0.119 R)
• M51: 29,806,329 km (0.101 R)
• M52: 31,457,889 km (0.087 R)
• M53: 31,752,447 km (0.063 R)
• M54: 34,950,401 km (0.106 R)
• M55: 39,300,557 km (0.089 R)
• M56: 39,617,854 km (0.107 R)
• M57: 40,467,870 km (0.084 R)
• M58: 42,836,303 km (0.111 R)
• M59: 42,945,061 km (0.056 R)
• M60: 43,927,620 km (0.096 R)
• M61: 46,472,279 km (0.101 R)
• M62: 47,256,172 km (0.084 R)
• M63: 47,368,520 km (0.119 R)
• M64: 48,383,542 km (0.062 R)
• M65: 50,205,793 km (0.041 R)
• M66: 51,125,372 km (0.113 R)
• M67: 51,240,711 km (0.093 R)
• M68: 52,050,485 km (0.117 R)
• M69: 53,214,506 km (0.054 R)
• M70: 54,269,620 km (0.098 R)
• M71: 56,400,342 km (0.092 R)
• M72: 62,707,388 km (0.116 R)
• M73: 64,692,402 km (0.113 R)
• M74: 64,817,167 km (0.064 R)
• M75: 65,066,995 km (0.108 R)
• M76: 65,316,974 km (0.055 R)
• M77: 65,442,187 km (0.076 R)
• M78: 68,342,740 km (0.076 R)
• M79: 68,469,749 km (0.063 R)
• M80: 70,385,050 km (0.117 R)
• M81: 70,641,760 km (0.117 R)
• M82: 72,966,062 km (0.07 R)
• M83: 75,446,694 km (0.105 R)
• M84: 78,752,358 km (0.056 R)
• M85: 79,686,447 km (0.072 R)
• M86: 81,296,270 km (0.12 R)
• M87: 82,781,179 km (0.106 R)
• M88: 83,187,786 km (0.088 R)
• M89: 83,594,991 km (0.083 R)
• M90: 85,367,277 km (0.093 R)
• M91: 86,189,467 km (0.108 R)
• M92: 86,464,129 km (0.091 R)
• M93: 89,087,626 km (0.084 R)
• M94: 89,226,453 km (0.07 R)
• M95: 92,017,650 km (0.067 R)
• M96: 92,438,768 km (0.054 R)
• M97: 94,271,193 km (0.049 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 111.1

Radius: 7.1

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 14.01 AU - 19.03 AU

Year: 25295 Days

Day: 19.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 36,966,041 km

• M1: 144,212 km (0.087 R)
• M2: 257,308 km (0.06 R)
• M3: 490,382 km (0.101 R)
• M4: 662,719 km (0.055 R)
• M5: 1,484,310 km (0.109 R)
• M6: 2,818,424 km (0.044 R)
• M7: 3,394,226 km (0.055 R)
• M8: 3,787,668 km (0.115 R)
• M9: 3,911,536 km (0.087 R)
• M10: 4,195,472 km (0.109 R)
• M11: 5,466,456 km (0.078 R)
• M12: 6,252,742 km (0.113 R)
• M13: 6,584,550 km (0.036 R)
• M14: 6,884,344 km (0.108 R)
• M15: 7,265,370 km (0.12 R)
• M16: 7,771,011 km (0.102 R)
• M17: 7,928,837 km (0.096 R)
• M18: 11,079,069 km (0.038 R)
• M19: 11,570,049 km (0.104 R)
• M20: 11,840,971 km (0.077 R)
• M21: 11,886,299 km (0.117 R)
• M22: 13,462,312 km (0.117 R)
• M23: 14,178,138 km (0.034 R)
• M24: 14,419,589 km (0.104 R)
• M25: 16,652,637 km (0.09 R)
• M26: 17,009,577 km (0.083 R)
• M27: 18,567,789 km (0.077 R)
• M28: 18,726,063 km (0.087 R)
• M29: 19,470,911 km (0.115 R)
• M30: 20,715,266 km (0.092 R)
• M31: 21,264,290 km (0.069 R)
• M32: 21,985,352 km (0.118 R)
• M33: 22,489,048 km (0.071 R)
• M34: 22,714,193 km (0.108 R)
• M35: 24,657,768 km (0.075 R)
• M36: 26,832,772 km (0.069 R)
• M37: 29,929,747 km (0.089 R)
• M38: 31,803,610 km (0.107 R)
• M39: 32,627,296 km (0.068 R)
• M40: 34,037,256 km (0.113 R)
• M41: 34,231,134 km (0.102 R)
• M42: 34,295,761 km (0.057 R)
• M43: 35,598,010 km (0.092 R)
• M44: 37,314,945 km (0.072 R)
• M45: 38,250,680 km (0.111 R)
• M46: 40,486,420 km (0.075 R)
• M47: 40,760,333 km (0.076 R)
• M48: 41,862,122 km (0.029 R)
• M49: 42,069,764 km (0.11 R)
• M50: 42,347,118 km (0.074 R)
• M51: 44,729,614 km (0.074 R)
• M52: 48,093,771 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 38.6

Radius: 7.7

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 15.57 AU - 20.23 AU

Year: 28530 Days

Day: 22.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 36,966,041 km

• M1: 192,383 km (0.059 R)
• M2: 316,848 km (0.115 R)
• M3: 692,788 km (0.084 R)
• M4: 1,944,922 km (0.099 R)
• M5: 2,324,003 km (0.111 R)
• M6: 2,455,499 km (0.109 R)
• M7: 2,934,961 km (0.116 R)
• M8: 3,029,656 km (0.099 R)
• M9: 3,101,164 km (0.06 R)
• M10: 3,270,658 km (0.106 R)
• M11: 3,443,145 km (0.07 R)
• M12: 3,492,961 km (0.073 R)
• M13: 3,900,316 km (0.117 R)
• M14: 4,030,765 km (0.087 R)
• M15: 4,296,002 km (0.073 R)
• M16: 4,732,229 km (0.103 R)
• M17: 5,617,101 km (0.061 R)
• M18: 6,184,526 km (0.104 R)
• M19: 6,367,484 km (0.053 R)
• M20: 6,428,819 km (0.089 R)
• M21: 8,126,156 km (0.043 R)
• M22: 8,630,451 km (0.089 R)
• M23: 9,353,457 km (0.119 R)
• M24: 9,669,258 km (0.092 R)
• M25: 10,059,858 km (0.053 R)
• M26: 10,492,047 km (0.1 R)
• M27: 10,710,460 km (0.053 R)
• M28: 11,374,525 km (0.066 R)
• M29: 12,242,342 km (0.037 R)
• M30: 12,664,956 km (0.101 R)
• M31: 13,170,447 km (0.097 R)
• M32: 13,524,396 km (0.048 R)
• M33: 13,643,027 km (0.086 R)
• M34: 14,041,107 km (0.044 R)
• M35: 14,767,255 km (0.113 R)
• M36: 14,889,326 km (0.112 R)
• M37: 15,011,997 km (0.106 R)
• M38: 15,588,248 km (0.087 R)
• M39: 15,712,713 km (0.113 R)
• M40: 15,837,478 km (0.113 R)
• M41: 16,004,279 km (0.119 R)
• M42: 16,129,792 km (0.069 R)
• M43: 17,748,142 km (0.106 R)
• M44: 20,090,246 km (0.097 R)
• M45: 20,361,467 km (0.069 R)
• M46: 20,816,095 km (0.095 R)
• M47: 21,967,550 km (0.057 R)
• M48: 24,765,778 km (0.086 R)
• M49: 26,231,089 km (0.085 R)
• M50: 26,626,476 km (0.109 R)
• M51: 26,824,993 km (0.075 R)
• M52: 28,887,648 km (0.073 R)
• M53: 30,118,539 km (0.1 R)
• M54: 30,221,911 km (0.064 R)
• M55: 31,209,557 km (0.12 R)
• M56: 33,003,385 km (0.104 R)
• M57: 34,343,482 km (0.11 R)
• M58: 34,884,578 km (0.104 R)
• M59: 35,537,423 km (0.05 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 10,592 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit