🌌 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: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.54 AU - 0.72 AU

Year: 187 Days

Day: 37.5 Hours

Environment

Temp: 166 °C

Axial Tilt: 38 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 88,109,545 km

• M1: 387,758 km (0.056 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.61 AU - 0.69 AU

Year: 196 Days

Day: 36.8 Hours

Environment

Temp: 148 °C

Axial Tilt: 13.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 88,109,545 km

• M1: 138,827 km (0.084 R)
• M2: 169,943 km (0.066 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.81 AU - 0.95 AU

Year: 309 Days

Day: 47.9 Hours

Environment

Temp: 31 °C

Axial Tilt: 36.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.83 AU - 1.05 AU

Year: 342 Days

Day: 34.5 Hours

Environment

Temp: 24 °C

Axial Tilt: 14.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 88,109,545 km

• M1: 272,567 km (0.065 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.33 AU - 1.73 AU

Year: 709 Days

Day: 42.4 Hours

Environment

Temp: -39 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,109,545 km

• M1: 253,269 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.7

Radius: 14.5

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.68 AU - 6.42 AU

Year: 4900 Days

Day: 5.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 88,109,545 km

• M1: 222,602 km (0.083 R)
• M2: 424,110 km (0.117 R)
• M3: 584,180 km (0.116 R)
• M4: 835,654 km (0.112 R)
• M5: 939,923 km (0.116 R)
• M6: 1,295,368 km (0.098 R)
• M7: 1,489,546 km (0.108 R)
• M8: 1,619,547 km (0.104 R)
• M9: 1,814,772 km (0.117 R)
• M10: 2,033,783 km (0.079 R)
• M11: 2,637,859 km (0.11 R)
• M12: 2,797,480 km (0.086 R)
• M13: 3,145,445 km (0.1 R)
• M14: 3,353,386 km (0.089 R)
• M15: 3,883,112 km (0.06 R)
• M16: 4,588,017 km (0.088 R)
• M17: 4,738,213 km (0.086 R)
• M18: 4,955,579 km (0.086 R)
• M19: 5,400,334 km (0.095 R)
• M20: 5,834,766 km (0.076 R)
• M21: 5,927,816 km (0.094 R)
• M22: 6,811,041 km (0.107 R)
• M23: 7,381,009 km (0.119 R)
• M24: 7,786,719 km (0.102 R)
• M25: 8,330,208 km (0.059 R)
• M26: 9,236,173 km (0.068 R)
• M27: 9,344,930 km (0.091 R)
• M28: 9,481,363 km (0.117 R)
• M29: 9,728,649 km (0.077 R)
• M30: 10,285,751 km (0.107 R)
• M31: 10,910,771 km (0.11 R)
• M32: 11,577,379 km (0.059 R)
• M33: 11,871,339 km (0.087 R)
• M34: 12,048,912 km (0.119 R)
• M35: 12,227,382 km (0.052 R)
• M36: 12,436,819 km (0.075 R)
• M37: 12,647,303 km (0.11 R)
• M38: 13,041,494 km (0.073 R)
• M39: 13,501,357 km (0.053 R)
• M40: 14,154,053 km (0.082 R)
• M41: 14,500,073 km (0.096 R)
• M42: 18,624,785 km (0.079 R)
• M43: 19,700,544 km (0.072 R)
• M44: 20,369,695 km (0.04 R)
• M45: 20,476,059 km (0.097 R)
• M46: 20,796,198 km (0.085 R)
• M47: 21,477,617 km (0.108 R)
• M48: 21,984,454 km (0.111 R)
• M49: 22,788,692 km (0.118 R)
• M50: 23,565,554 km (0.097 R)
• M51: 23,789,053 km (0.111 R)
• M52: 24,765,927 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.2

Radius: 10.3

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.97 AU - 8.29 AU

Year: 7898 Days

Day: 10 Hours

Environment

Temp: -160 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 88,109,545 km

• M1: 192,383 km (0.091 R)
• M2: 328,367 km (0.039 R)
• M3: 507,735 km (0.066 R)
• M4: 579,542 km (0.099 R)
• M5: 721,511 km (0.047 R)
• M6: 920,027 km (0.117 R)
• M7: 1,619,547 km (0.102 R)
• M8: 2,080,607 km (0.063 R)
• M9: 2,181,735 km (0.095 R)
• M10: 2,845,501 km (0.068 R)
• M11: 2,935,559 km (0.051 R)
• M12: 3,329,151 km (0.077 R)
• M13: 4,294,656 km (0.07 R)
• M14: 4,502,896 km (0.093 R)
• M15: 4,768,133 km (0.072 R)
• M16: 4,875,544 km (0.096 R)
• M17: 5,707,308 km (0.073 R)
• M18: 6,110,624 km (0.097 R)
• M19: 6,286,252 km (0.107 R)
• M20: 6,523,066 km (0.059 R)
• M21: 6,823,308 km (0.11 R)
• M22: 7,005,519 km (0.072 R)
• M23: 7,562,172 km (0.079 R)
• M24: 7,719,400 km (0.088 R)
• M25: 7,941,253 km (0.061 R)
• M26: 8,101,024 km (0.111 R)
• M27: 8,783,789 km (0.114 R)
• M28: 8,915,883 km (0.091 R)
• M29: 9,417,336 km (0.118 R)
• M30: 9,654,448 km (0.034 R)
• M31: 9,893,655 km (0.111 R)
• M32: 10,273,484 km (0.098 R)
• M33: 10,377,903 km (0.093 R)
• M34: 10,482,622 km (0.116 R)
• M35: 11,011,750 km (0.115 R)
• M36: 11,225,824 km (0.048 R)
• M37: 11,912,927 km (0.091 R)
• M38: 12,987,788 km (0.113 R)
• M39: 13,441,668 km (0.059 R)
• M40: 13,632,256 km (0.072 R)
• M41: 13,823,890 km (0.084 R)
• M42: 14,209,554 km (0.113 R)
• M43: 15,308,649 km (0.093 R)
• M44: 15,467,821 km (0.085 R)
• M45: 16,069,953 km (0.087 R)
• M46: 16,231,818 km (0.093 R)
• M47: 16,679,564 km (0.091 R)
• M48: 17,172,788 km (0.088 R)
• M49: 17,421,270 km (0.075 R)
• M50: 17,504,297 km (0.051 R)
• M51: 17,587,623 km (0.12 R)
• M52: 18,257,971 km (0.102 R)
• M53: 18,638,698 km (0.104 R)
• M54: 19,408,229 km (0.065 R)
• M55: 19,580,566 km (0.083 R)
• M56: 19,753,501 km (0.12 R)
• M57: 20,187,933 km (0.092 R)
• M58: 21,912,498 km (0.059 R)
• M59: 22,227,102 km (0.099 R)
• M60: 22,407,517 km (0.11 R)
• M61: 23,868,041 km (0.036 R)
• M62: 24,423,797 km (0.109 R)
• M63: 24,563,372 km (0.117 R)
• M64: 24,890,094 km (0.112 R)
• M65: 25,406,506 km (0.035 R)
• M66: 26,449,801 km (0.105 R)
• M67: 28,138,312 km (0.102 R)
• M68: 28,627,049 km (0.101 R)
• M69: 28,921,756 km (0.083 R)
• M70: 29,365,613 km (0.037 R)
• M71: 29,464,497 km (0.048 R)
• M72: 30,610,417 km (0.114 R)
• M73: 30,861,442 km (0.115 R)
• M74: 31,416,002 km (0.117 R)
• M75: 31,517,279 km (0.111 R)
• M76: 32,228,617 km (0.088 R)
• M77: 33,254,260 km (0.072 R)
• M78: 33,408,944 km (0.101 R)
• M79: 35,074,567 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624

Radius: 3.9

Gravity: 41.03 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 13.14 AU - 17.48 AU

Year: 22449 Days

Day: 16 Hours

Environment

Temp: -185 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 88,109,545 km

• M1: 140,323 km (0.086 R)
• M2: 166,502 km (0.075 R)
• M3: 1,307,485 km (0.118 R)
• M4: 1,367,923 km (0.117 R)
• M5: 1,618,799 km (0.099 R)
• M6: 2,680,345 km (0.12 R)
• M7: 2,796,134 km (0.116 R)
• M8: 2,874,224 km (0.065 R)
• M9: 3,358,023 km (0.109 R)
• M10: 3,524,825 km (0.113 R)
• M11: 3,866,656 km (0.106 R)
• M12: 4,129,948 km (0.109 R)
• M13: 5,678,286 km (0.064 R)
• M14: 6,486,564 km (0.107 R)
• M15: 6,590,085 km (0.055 R)
• M16: 7,438,156 km (0.073 R)
• M17: 8,716,021 km (0.099 R)
• M18: 9,292,571 km (0.092 R)
• M19: 9,644,276 km (0.079 R)
• M20: 10,481,874 km (0.109 R)
• M21: 10,603,347 km (0.072 R)
• M22: 10,847,940 km (0.102 R)
• M23: 12,934,830 km (0.119 R)
• M24: 12,999,905 km (0.093 R)
• M25: 13,923,223 km (0.075 R)
• M26: 14,191,004 km (0.095 R)
• M27: 15,072,584 km (0.077 R)
• M28: 15,971,817 km (0.082 R)
• M29: 16,817,194 km (0.088 R)
• M30: 20,492,515 km (0.1 R)
• M31: 20,568,510 km (0.109 R)
• M32: 20,720,651 km (0.111 R)
• M33: 22,890,269 km (0.029 R)
• M34: 23,047,946 km (0.115 R)
• M35: 23,126,933 km (0.063 R)
• M36: 23,921,747 km (0.115 R)
• M37: 24,483,487 km (0.067 R)
• M38: 24,806,319 km (0.103 R)
• M39: 25,212,028 km (0.056 R)
• M40: 26,029,880 km (0.037 R)
• M41: 27,106,087 km (0.046 R)
• M42: 28,619,868 km (0.084 R)
• M43: 28,960,053 km (0.086 R)
• M44: 29,472,725 km (0.117 R)
• M45: 30,593,812 km (0.11 R)
• M46: 31,816,774 km (0.095 R)
• M47: 35,033,877 km (0.099 R)
• M48: 36,037,229 km (0.082 R)
• M49: 40,049,444 km (0.083 R)
• M50: 43,613,165 km (0.073 R)
• M51: 44,987,670 km (0.111 R)
• M52: 45,284,173 km (0.074 R)
• M53: 46,675,882 km (0.085 R)
• M54: 47,477,577 km (0.106 R)
• M55: 49,297,734 km (0.057 R)
• M56: 49,603,363 km (0.081 R)
• M57: 51,449,999 km (0.031 R)
• M58: 52,797,577 km (0.051 R)
• M59: 53,737,350 km (0.062 R)
• M60: 54,051,805 km (0.089 R)
• M61: 54,156,823 km (0.076 R)
• M62: 54,682,659 km (0.064 R)
• M63: 54,787,976 km (0.109 R)
• M64: 54,893,443 km (0.062 R)
• M65: 55,315,907 km (0.032 R)
• M66: 55,421,673 km (0.072 R)
• M67: 55,951,548 km (0.042 R)
• M68: 57,336,974 km (0.103 R)
• M69: 58,302,928 km (0.109 R)
• M70: 59,165,958 km (0.072 R)
• M71: 59,924,419 km (0.063 R)
• M72: 60,577,264 km (0.099 R)
• M73: 61,670,525 km (0.063 R)
• M74: 63,765,494 km (0.08 R)
• M75: 64,766,005 km (0.107 R)
• M76: 64,989,055 km (0.042 R)
• M77: 65,883,800 km (0.082 R)
• M78: 66,895,081 km (0.029 R)
• M79: 67,120,525 km (0.086 R)
• M80: 68,592,120 km (0.068 R)
• M81: 69,960,043 km (0.075 R)
• M82: 70,303,370 km (0.06 R)
• M83: 70,532,554 km (0.107 R)
• M84: 71,567,023 km (0.119 R)
• M85: 72,606,728 km (0.118 R)
• M86: 73,302,508 km (0.052 R)
• M87: 74,233,605 km (0.12 R)
• M88: 75,051,606 km (0.067 R)
• M89: 77,050,682 km (0.036 R)
• M90: 77,523,561 km (0.073 R)
• M91: 77,760,375 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.6

Radius: 6.1

Gravity: 10.98 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 14.74 AU - 24.26 AU

Year: 32269 Days

Day: 15 Hours

Environment

Temp: -193 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 88,109,545 km

• M1: 382,971 km (0.091 R)
• M2: 444,904 km (0.106 R)
• M3: 510,578 km (0.067 R)
• M4: 753,824 km (0.118 R)
• M5: 1,402,181 km (0.082 R)
• M6: 1,812,229 km (0.101 R)
• M7: 2,296,028 km (0.087 R)
• M8: 2,613,026 km (0.038 R)
• M9: 3,071,095 km (0.106 R)
• M10: 3,331,545 km (0.103 R)
• M11: 5,190,149 km (0.114 R)
• M12: 8,913,340 km (0.105 R)
• M13: 9,346,426 km (0.085 R)
• M14: 10,426,523 km (0.082 R)
• M15: 10,686,374 km (0.081 R)
• M16: 10,816,973 km (0.078 R)
• M17: 10,948,320 km (0.075 R)
• M18: 11,345,203 km (0.066 R)
• M19: 12,495,312 km (0.119 R)
• M20: 12,564,127 km (0.106 R)
• M21: 13,119,135 km (0.101 R)
• M22: 13,329,320 km (0.119 R)
• M23: 14,904,436 km (0.111 R)
• M24: 15,862,461 km (0.028 R)
• M25: 16,461,899 km (0.026 R)
• M26: 16,916,378 km (0.09 R)
• M27: 17,298,301 km (0.107 R)
• M28: 17,451,788 km (0.06 R)
• M29: 18,070,525 km (0.063 R)
• M30: 18,539,215 km (0.053 R)
• M31: 19,091,082 km (0.095 R)
• M32: 19,170,369 km (0.112 R)
• M33: 19,568,449 km (0.075 R)
• M34: 21,024,036 km (0.116 R)
• M35: 23,102,698 km (0.112 R)
• M36: 23,866,844 km (0.086 R)
• M37: 24,812,153 km (0.073 R)
• M38: 27,094,718 km (0.099 R)
• M39: 27,720,485 km (0.105 R)
• M40: 27,810,394 km (0.045 R)
• M41: 29,626,662 km (0.051 R)
• M42: 29,810,368 km (0.069 R)
• M43: 30,641,982 km (0.045 R)
• M44: 32,327,651 km (0.104 R)
• M45: 32,896,273 km (0.098 R)
• M46: 33,372,592 km (0.094 R)
• M47: 33,851,156 km (0.073 R)
• M48: 36,671,674 km (0.05 R)
• M49: 40,378,111 km (0.092 R)
• M50: 40,479,837 km (0.076 R)
• M51: 41,297,390 km (0.044 R)
• M52: 41,502,788 km (0.094 R)
• M53: 41,605,412 km (0.039 R)
• M54: 41,708,335 km (0.117 R)
• M55: 42,430,594 km (0.093 R)
• M56: 44,727,220 km (0.1 R)
• M57: 44,832,537 km (0.061 R)
• M58: 46,103,221 km (0.115 R)
• M59: 46,742,902 km (0.09 R)
• M60: 47,492,986 km (0.096 R)
• M61: 52,742,524 km (0.07 R)
• M62: 53,747,224 km (0.114 R)
• M63: 54,195,718 km (0.061 R)
• M64: 55,209,393 km (0.104 R)
• M65: 55,322,340 km (0.088 R)
• M66: 56,912,715 km (0.118 R)
• M67: 57,713,512 km (0.075 R)
• M68: 58,402,859 km (0.064 R)
• M69: 58,748,580 km (0.056 R)
• M70: 60,254,432 km (0.085 R)
• M71: 60,370,670 km (0.113 R)
• M72: 62,360,321 km (0.111 R)
• M73: 64,490,296 km (0.049 R)
• M74: 65,205,523 km (0.082 R)
• M75: 65,564,109 km (0.061 R)
• M76: 66,764,333 km (0.068 R)
• M77: 70,530,459 km (0.101 R)
• M78: 72,006,841 km (0.057 R)
• M79: 72,872,713 km (0.096 R)
• M80: 72,996,730 km (0.054 R)
• M81: 73,493,395 km (0.084 R)
• M82: 73,617,711 km (0.045 R)
• M83: 78,013,195 km (0.115 R)
• M84: 78,139,905 km (0.065 R)
• M85: 80,050,718 km (0.11 R)
• M86: 81,204,417 km (0.117 R)
• M87: 81,461,576 km (0.051 R)
• M88: 83,010,063 km (0.102 R)
• M89: 83,787,972 km (0.109 R)
• M90: 84,177,824 km (0.103 R)
• M91: 84,829,024 km (0.082 R)
• M92: 85,089,922 km (0.113 R)
• M93: 87,055,190 km (0.072 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 12,940 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit