🌌 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: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.6 AU - 0.92 AU

Year: 234 Days

Day: 23.6 Hours

Environment

Temp: 178 °C

Axial Tilt: 16.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 79,101,196 km

• M1: 370,853 km (0.081 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.85 AU - 1.31 AU

Year: 396 Days

Day: 33.9 Hours

Environment

Temp: 39 °C

Axial Tilt: 11.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 79,101,196 km

• M1: 385,963 km (0.072 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.25 AU - 1.29 AU

Year: 505 Days

Day: 43.4 Hours

Environment

Temp: 20 °C

Axial Tilt: 3.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.57 AU - 1.85 AU

Year: 790 Days

Day: 47.2 Hours

Environment

Temp: -43 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.6

Radius: 13.5

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 5.84 AU - 6.46 AU

Year: 5385 Days

Day: 12.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 79,101,196 km

• M1: 169,943 km (0.111 R)
• M2: 434,731 km (0.082 R)
• M3: 569,669 km (0.107 R)
• M4: 672,592 km (0.112 R)
• M5: 945,010 km (0.104 R)
• M6: 1,047,933 km (0.109 R)
• M7: 1,407,716 km (0.062 R)
• M8: 1,622,987 km (0.096 R)
• M9: 1,720,824 km (0.107 R)
• M10: 1,907,822 km (0.071 R)
• M11: 2,026,453 km (0.104 R)
• M12: 2,255,786 km (0.104 R)
• M13: 2,445,476 km (0.085 R)
• M14: 3,880,270 km (0.094 R)
• M15: 4,089,856 km (0.079 R)
• M16: 4,322,780 km (0.11 R)
• M17: 4,560,192 km (0.117 R)
• M18: 4,801,942 km (0.101 R)
• M19: 5,810,980 km (0.106 R)
• M20: 5,941,728 km (0.12 R)
• M21: 6,295,078 km (0.099 R)
• M22: 7,514,600 km (0.102 R)
• M23: 7,824,866 km (0.119 R)
• M24: 7,993,762 km (0.092 R)
• M25: 8,188,090 km (0.113 R)
• M26: 8,408,747 km (0.117 R)
• M27: 9,133,100 km (0.078 R)
• M28: 9,234,527 km (0.097 R)
• M29: 9,464,309 km (0.076 R)
• M30: 9,567,083 km (0.097 R)
• M31: 10,428,617 km (0.064 R)
• M32: 10,641,345 km (0.118 R)
• M33: 10,774,936 km (0.037 R)
• M34: 10,962,981 km (0.112 R)
• M35: 11,533,697 km (0.109 R)
• M36: 11,726,229 km (0.096 R)
• M37: 12,086,311 km (0.087 R)
• M38: 12,365,910 km (0.104 R)
• M39: 12,874,542 km (0.092 R)
• M40: 14,293,628 km (0.101 R)
• M41: 14,737,933 km (0.106 R)
• M42: 14,857,163 km (0.114 R)
• M43: 16,282,531 km (0.098 R)
• M44: 16,436,767 km (0.115 R)
• M45: 16,808,817 km (0.114 R)
• M46: 17,183,709 km (0.071 R)
• M47: 17,340,787 km (0.105 R)
• M48: 17,687,854 km (0.087 R)
• M49: 17,910,007 km (0.049 R)
• M50: 18,196,935 km (0.085 R)
• M51: 18,292,977 km (0.08 R)
• M52: 18,775,430 km (0.082 R)
• M53: 19,164,385 km (0.055 R)
• M54: 19,687,229 km (0.059 R)
• M55: 20,546,819 km (0.063 R)
• M56: 21,250,078 km (0.068 R)
• M57: 21,689,447 km (0.084 R)
• M58: 21,995,225 km (0.058 R)
• M59: 22,200,025 km (0.089 R)
• M60: 22,783,606 km (0.106 R)
• M61: 23,094,620 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.5

Radius: 14.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.86 AU - 9.12 AU

Year: 7238 Days

Day: 11.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 71.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 79,101,196 km

• M1: 200,461 km (0.056 R)
• M2: 343,776 km (0.117 R)
• M3: 609,312 km (0.119 R)
• M4: 902,823 km (0.113 R)
• M5: 1,007,542 km (0.106 R)
• M6: 1,116,898 km (0.086 R)
• M7: 1,335,460 km (0.086 R)
• M8: 1,429,707 km (0.06 R)
• M9: 1,891,216 km (0.087 R)
• M10: 2,155,406 km (0.066 R)
• M11: 2,807,204 km (0.1 R)
• M12: 2,948,424 km (0.065 R)
• M13: 3,293,547 km (0.099 R)
• M14: 3,575,389 km (0.105 R)
• M15: 3,904,504 km (0.045 R)
• M16: 4,082,825 km (0.052 R)
• M17: 4,203,251 km (0.066 R)
• M18: 4,304,380 km (0.074 R)
• M19: 4,509,478 km (0.108 R)
• M20: 4,759,905 km (0.058 R)
• M21: 4,972,035 km (0.102 R)
• M22: 5,428,009 km (0.081 R)
• M23: 5,694,742 km (0.105 R)
• M24: 5,965,664 km (0.09 R)
• M25: 6,241,074 km (0.079 R)
• M26: 6,427,024 km (0.097 R)
• M27: 6,614,769 km (0.082 R)
• M28: 6,875,967 km (0.106 R)
• M29: 6,971,859 km (0.099 R)
• M30: 7,213,460 km (0.063 R)
• M31: 7,310,848 km (0.119 R)
• M32: 7,506,971 km (0.091 R)
• M33: 7,655,372 km (0.069 R)
• M34: 7,804,671 km (0.031 R)
• M35: 8,055,546 km (0.05 R)
• M36: 8,258,251 km (0.105 R)
• M37: 9,376,944 km (0.032 R)
• M38: 9,483,458 km (0.115 R)
• M39: 9,643,976 km (0.118 R)
• M40: 10,022,010 km (0.104 R)
• M41: 11,157,159 km (0.095 R)
• M42: 11,411,774 km (0.118 R)
• M43: 12,158,417 km (0.06 R)
• M44: 12,274,655 km (0.078 R)
• M45: 12,625,611 km (0.047 R)
• M46: 13,668,458 km (0.052 R)
• M47: 13,819,702 km (0.094 R)
• M48: 14,368,726 km (0.073 R)
• M49: 14,707,864 km (0.043 R)
• M50: 14,987,313 km (0.073 R)
• M51: 15,677,707 km (0.113 R)
• M52: 15,772,702 km (0.113 R)
• M53: 16,058,733 km (0.073 R)
• M54: 17,285,436 km (0.099 R)
• M55: 17,580,443 km (0.101 R)
• M56: 17,810,973 km (0.081 R)
• M57: 18,075,761 km (0.105 R)
• M58: 18,275,175 km (0.109 R)
• M59: 18,475,337 km (0.114 R)
• M60: 18,609,227 km (0.065 R)
• M61: 19,080,161 km (0.075 R)
• M62: 20,034,147 km (0.113 R)
• M63: 20,898,823 km (0.068 R)
• M64: 21,599,539 km (0.04 R)
• M65: 21,811,220 km (0.06 R)
• M66: 22,165,468 km (0.088 R)
• M67: 22,414,698 km (0.102 R)
• M68: 22,521,810 km (0.112 R)
• M69: 22,629,072 km (0.061 R)
• M70: 24,075,384 km (0.075 R)
• M71: 24,294,993 km (0.113 R)
• M72: 24,736,008 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376.1

Radius: 4.4

Gravity: 19.43 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 12.39 AU - 18.81 AU

Year: 21756 Days

Day: 19.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 79,101,196 km

• M1: 120,576 km (0.12 R)
• M2: 200,611 km (0.109 R)
• M3: 241,002 km (0.108 R)
• M4: 363,224 km (0.114 R)
• M5: 396,883 km (0.094 R)
• M6: 467,493 km (0.101 R)
• M7: 504,444 km (0.119 R)
• M8: 641,924 km (0.072 R)
• M9: 974,481 km (0.111 R)
• M10: 1,489,097 km (0.12 R)
• M11: 1,629,270 km (0.101 R)
• M12: 2,137,006 km (0.088 R)
• M13: 2,199,687 km (0.112 R)
• M14: 2,359,458 km (0.07 R)
• M15: 2,456,995 km (0.088 R)
• M16: 3,176,711 km (0.094 R)
• M17: 3,504,031 km (0.097 R)
• M18: 3,765,827 km (0.111 R)
• M19: 3,841,823 km (0.047 R)
• M20: 4,111,847 km (0.11 R)
• M21: 4,150,892 km (0.04 R)
• M22: 4,268,925 km (0.069 R)
• M23: 4,468,040 km (0.048 R)
• M24: 4,916,534 km (0.046 R)
• M25: 5,988,403 km (0.063 R)
• M26: 6,988,764 km (0.111 R)
• M27: 7,035,588 km (0.102 R)
• M28: 7,556,039 km (0.11 R)
• M29: 8,384,512 km (0.082 R)
• M30: 8,533,661 km (0.045 R)
• M31: 9,395,644 km (0.107 R)
• M32: 10,928,573 km (0.06 R)
• M33: 11,200,692 km (0.103 R)
• M34: 11,530,106 km (0.064 R)
• M35: 11,640,510 km (0.112 R)
• M36: 12,707,890 km (0.074 R)
• M37: 13,630,760 km (0.109 R)
• M38: 13,982,315 km (0.073 R)
• M39: 14,874,367 km (0.119 R)
• M40: 15,968,825 km (0.084 R)
• M41: 16,525,778 km (0.041 R)
• M42: 16,588,010 km (0.077 R)
• M43: 17,722,112 km (0.088 R)
• M44: 18,881,196 km (0.1 R)
• M45: 19,011,496 km (0.108 R)
• M46: 19,799,428 km (0.112 R)
• M47: 19,998,094 km (0.073 R)
• M48: 20,531,111 km (0.113 R)
• M49: 22,917,197 km (0.038 R)
• M50: 25,821,789 km (0.111 R)
• M51: 26,839,803 km (0.116 R)
• M52: 27,353,671 km (0.045 R)
• M53: 27,501,175 km (0.116 R)
• M54: 28,465,782 km (0.116 R)
• M55: 29,743,946 km (0.064 R)
• M56: 30,810,579 km (0.092 R)
• M57: 31,117,703 km (0.094 R)
• M58: 33,689,291 km (0.102 R)
• M59: 34,800,653 km (0.079 R)
• M60: 35,601,750 km (0.096 R)
• M61: 35,923,984 km (0.048 R)
• M62: 36,328,048 km (0.084 R)
• M63: 36,490,062 km (0.075 R)
• M64: 36,896,370 km (0.05 R)
• M65: 37,385,705 km (0.059 R)
• M66: 38,041,542 km (0.084 R)
• M67: 38,453,385 km (0.057 R)
• M68: 39,115,505 km (0.104 R)
• M69: 41,293,051 km (0.071 R)
• M70: 42,140,972 km (0.106 R)
• M71: 43,509,494 km (0.045 R)
• M72: 45,240,640 km (0.079 R)
• M73: 46,553,661 km (0.029 R)
• M74: 47,790,536 km (0.087 R)
• M75: 49,038,032 km (0.09 R)
• M76: 50,386,657 km (0.092 R)
• M77: 51,020,055 km (0.106 R)
• M78: 54,690,139 km (0.071 R)
• M79: 55,247,990 km (0.108 R)
• M80: 55,341,189 km (0.118 R)
• M81: 56,369,375 km (0.105 R)
• M82: 57,215,202 km (0.094 R)
• M83: 58,065,217 km (0.028 R)
• M84: 58,254,757 km (0.085 R)
• M85: 58,824,426 km (0.096 R)
• M86: 59,300,596 km (0.081 R)
• M87: 60,736,586 km (0.116 R)
• M88: 60,832,777 km (0.104 R)
• M89: 61,217,842 km (0.076 R)
• M90: 61,507,165 km (0.083 R)
• M91: 61,700,295 km (0.119 R)
• M92: 63,252,672 km (0.091 R)
• M93: 63,740,511 km (0.102 R)
• M94: 64,916,201 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.5

Radius: 4.2

Gravity: 34.5 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 11.96 AU - 19.94 AU

Year: 22493 Days

Day: 16 Hours

Environment

Temp: -183 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 79,101,196 km

• M1: 119,678 km (0.119 R)
• M2: 259,253 km (0.09 R)
• M3: 463,005 km (0.111 R)
• M4: 592,108 km (0.073 R)
• M5: 781,798 km (0.107 R)
• M6: 1,213,987 km (0.113 R)
• M7: 1,243,158 km (0.11 R)
• M8: 2,330,436 km (0.099 R)
• M9: 2,896,963 km (0.117 R)
• M10: 3,462,293 km (0.061 R)
• M11: 3,672,179 km (0.065 R)
• M12: 4,416,877 km (0.063 R)
• M13: 5,206,455 km (0.049 R)
• M14: 5,888,920 km (0.082 R)
• M15: 6,650,822 km (0.12 R)
• M16: 7,122,654 km (0.107 R)
• M17: 7,987,778 km (0.096 R)
• M18: 8,042,980 km (0.109 R)
• M19: 8,376,583 km (0.074 R)
• M20: 10,532,139 km (0.104 R)
• M21: 12,206,289 km (0.03 R)
• M22: 12,976,419 km (0.117 R)
• M23: 13,564,338 km (0.034 R)
• M24: 13,828,378 km (0.034 R)
• M25: 14,227,655 km (0.057 R)
• M26: 14,630,821 km (0.09 R)
• M27: 15,862,311 km (0.111 R)
• M28: 16,420,311 km (0.036 R)
• M29: 16,701,705 km (0.098 R)
• M30: 16,772,315 km (0.074 R)
• M31: 17,412,145 km (0.119 R)
• M32: 17,843,136 km (0.119 R)
• M33: 18,060,053 km (0.092 R)
• M34: 18,205,014 km (0.045 R)
• M35: 18,935,949 km (0.077 R)
• M36: 19,305,007 km (0.066 R)
• M37: 20,501,790 km (0.086 R)
• M38: 21,185,602 km (0.099 R)
• M39: 21,262,046 km (0.119 R)
• M40: 21,876,744 km (0.086 R)
• M41: 22,031,428 km (0.12 R)
• M42: 22,186,262 km (0.043 R)
• M43: 22,888,175 km (0.118 R)
• M44: 23,755,843 km (0.095 R)
• M45: 23,994,302 km (0.064 R)
• M46: 24,153,773 km (0.099 R)
• M47: 24,875,583 km (0.081 R)
• M48: 27,166,076 km (0.11 R)
• M49: 27,498,781 km (0.078 R)
• M50: 28,168,082 km (0.087 R)
• M51: 28,252,156 km (0.09 R)
• M52: 31,246,058 km (0.083 R)
• M53: 32,119,860 km (0.085 R)
• M54: 32,471,564 km (0.076 R)
• M55: 32,736,203 km (0.064 R)
• M56: 33,445,446 km (0.105 R)
• M57: 35,240,621 km (0.119 R)
• M58: 35,785,157 km (0.082 R)
• M59: 36,790,904 km (0.085 R)
• M60: 39,674,552 km (0.065 R)
• M61: 41,573,248 km (0.066 R)
• M62: 43,598,355 km (0.06 R)
• M63: 47,044,342 km (0.111 R)
• M64: 48,245,912 km (0.102 R)
• M65: 49,052,394 km (0.073 R)
• M66: 49,761,787 km (0.068 R)
• M67: 50,985,797 km (0.045 R)
• M68: 51,190,746 km (0.11 R)
• M69: 51,395,994 km (0.092 R)
• M70: 51,807,388 km (0.114 R)
• M71: 54,402,612 km (0.108 R)
• M72: 58,106,356 km (0.111 R)
• M73: 58,213,319 km (0.103 R)
• M74: 59,826,432 km (0.045 R)
• M75: 60,042,601 km (0.049 R)
• M76: 61,999,790 km (0.115 R)
• M77: 62,437,663 km (0.076 R)
• M78: 64,420,433 km (0.069 R)
• M79: 64,531,136 km (0.093 R)
• M80: 64,752,840 km (0.083 R)
• M81: 65,642,199 km (0.08 R)
• M82: 66,088,300 km (0.112 R)
• M83: 67,770,528 km (0.1 R)
• M84: 68,673,501 km (0.095 R)
• M85: 68,899,843 km (0.107 R)
• M86: 69,580,363 km (0.118 R)
• M87: 69,693,908 km (0.065 R)
• M88: 70,377,121 km (0.08 R)
• M89: 70,719,401 km (0.071 R)
• M90: 72,094,655 km (0.081 R)
• M91: 73,362,796 km (0.061 R)
• M92: 75,804,532 km (0.098 R)
• M93: 76,272,624 km (0.04 R)
• M94: 79,101,221 km (0.113 R)

Kuiper Belt

Range: 31.1 - 53.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 13,467 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit