🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.42 AU - 0.64 AU

Year: 249 Days

Day: 12.4 Hours

Environment

Temp: -117 °C

Axial Tilt: 6.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.55 AU - 0.65 AU

Year: 300 Days

Day: 42.4 Hours

Environment

Temp: -123 °C

Axial Tilt: 47.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.7

Radius: 8.3

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.55 AU - 0.91 AU

Year: 403 Days

Day: 10.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 58,997,001 km

• M1: 106,364 km (0.082 R)
• M2: 158,424 km (0.111 R)
• M3: 215,271 km (0.033 R)
• M4: 296,952 km (0.113 R)
• M5: 409,300 km (0.099 R)
• M6: 471,682 km (0.113 R)
• M7: 542,591 km (0.113 R)
• M8: 597,045 km (0.078 R)
• M9: 669,600 km (0.109 R)
• M10: 750,832 km (0.1 R)
• M11: 815,458 km (0.116 R)
• M12: 879,187 km (0.046 R)
• M13: 1,005,896 km (0.076 R)
• M14: 1,058,854 km (0.099 R)
• M15: 1,148,463 km (0.053 R)
• M16: 1,210,696 km (0.115 R)
• M17: 1,380,340 km (0.052 R)
• M18: 1,457,382 km (0.11 R)
• M19: 1,557,613 km (0.08 R)
• M20: 1,634,506 km (0.048 R)
• M21: 1,772,884 km (0.099 R)
• M22: 1,837,810 km (0.097 R)
• M23: 1,973,944 km (0.059 R)
• M24: 2,033,484 km (0.09 R)
• M25: 2,085,394 km (0.109 R)
• M26: 2,190,861 km (0.089 R)
• M27: 2,285,556 km (0.113 R)
• M28: 2,377,409 km (0.079 R)
• M29: 2,453,555 km (0.113 R)
• M30: 2,547,801 km (0.104 R)
• M31: 2,730,909 km (0.098 R)
• M32: 2,886,940 km (0.08 R)
• M33: 3,009,311 km (0.068 R)
• M34: 3,068,851 km (0.104 R)
• M35: 3,193,765 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.3

Radius: 13.9

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.87 AU - 1.05 AU

Year: 607 Days

Day: 10.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 58,997,001 km

• M1: 180,565 km (0.034 R)
• M2: 283,937 km (0.114 R)
• M3: 378,483 km (0.045 R)
• M4: 490,681 km (0.073 R)
• M5: 597,943 km (0.103 R)
• M6: 714,928 km (0.116 R)
• M7: 907,461 km (0.116 R)
• M8: 1,010,833 km (0.058 R)
• M9: 1,097,749 km (0.088 R)
• M10: 1,214,286 km (0.118 R)
• M11: 1,374,954 km (0.118 R)
• M12: 1,472,641 km (0.104 R)
• M13: 1,590,824 km (0.114 R)
• M14: 1,730,698 km (0.093 R)
• M15: 1,824,346 km (0.058 R)
• M16: 1,945,670 km (0.084 R)
• M17: 2,230,205 km (0.086 R)
• M18: 2,339,711 km (0.053 R)
• M19: 2,500,379 km (0.098 R)
• M20: 2,621,553 km (0.065 R)
• M21: 2,796,134 km (0.084 R)
• M22: 3,087,999 km (0.103 R)
• M23: 3,218,449 km (0.087 R)
• M24: 3,390,187 km (0.1 R)
• M25: 3,540,832 km (0.085 R)
• M26: 3,726,483 km (0.109 R)
• M27: 3,923,503 km (0.098 R)
• M28: 4,132,492 km (0.116 R)
• M29: 4,396,981 km (0.078 R)
• M30: 4,483,448 km (0.11 R)
• M31: 4,640,526 km (0.057 R)
• M32: 4,772,920 km (0.069 R)
• M33: 4,960,516 km (0.117 R)
• M34: 5,187,007 km (0.056 R)
• M35: 5,352,163 km (0.082 R)
• M36: 5,584,489 km (0.112 R)
• M37: 5,991,993 km (0.112 R)
• M38: 6,078,610 km (0.12 R)
• M39: 6,184,974 km (0.097 R)
• M40: 6,428,968 km (0.08 R)
• M41: 6,527,553 km (0.096 R)
• M42: 6,746,116 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.3

Radius: 13.4

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.84 AU - 1.22 AU

Year: 675 Days

Day: 7.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 70.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 58,997,001 km

• M1: 176,525 km (0.12 R)
• M2: 263,591 km (0.083 R)
• M3: 361,728 km (0.028 R)
• M4: 450,589 km (0.038 R)
• M5: 568,023 km (0.099 R)
• M6: 694,134 km (0.105 R)
• M7: 801,396 km (0.096 R)
• M8: 901,626 km (0.113 R)
• M9: 1,030,131 km (0.103 R)
• M10: 1,126,023 km (0.116 R)
• M11: 1,411,905 km (0.092 R)
• M12: 1,547,141 km (0.114 R)
• M13: 1,658,741 km (0.056 R)
• M14: 1,779,018 km (0.099 R)
• M15: 1,902,436 km (0.039 R)
• M16: 2,077,615 km (0.115 R)
• M17: 2,334,774 km (0.026 R)
• M18: 2,662,543 km (0.079 R)
• M19: 2,750,207 km (0.063 R)
• M20: 2,880,357 km (0.096 R)
• M21: 2,984,478 km (0.075 R)
• M22: 3,225,330 km (0.109 R)
• M23: 3,509,566 km (0.12 R)
• M24: 3,598,726 km (0.104 R)
• M25: 3,726,333 km (0.04 R)
• M26: 3,809,659 km (0.112 R)
• M27: 4,126,059 km (0.079 R)
• M28: 4,323,378 km (0.075 R)
• M29: 4,411,192 km (0.101 R)
• M30: 4,702,609 km (0.108 R)
• M31: 4,842,633 km (0.108 R)
• M32: 5,228,146 km (0.085 R)
• M33: 5,347,525 km (0.119 R)
• M34: 5,502,359 km (0.119 R)
• M35: 5,798,862 km (0.113 R)
• M36: 6,002,465 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.9

Radius: 12

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.2 AU - 6.04 AU

Year: 7480 Days

Day: 10.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 58,997,001 km

• M1: 202,556 km (0.032 R)
• M2: 316,549 km (0.052 R)
• M3: 416,480 km (0.085 R)
• M4: 905,067 km (0.115 R)
• M5: 989,440 km (0.03 R)
• M6: 1,213,239 km (0.117 R)
• M7: 1,323,492 km (0.03 R)
• M8: 1,504,057 km (0.058 R)
• M9: 1,588,879 km (0.084 R)
• M10: 1,981,873 km (0.086 R)
• M11: 2,878,413 km (0.068 R)
• M12: 3,115,076 km (0.095 R)
• M13: 3,313,443 km (0.118 R)
• M14: 3,886,553 km (0.099 R)
• M15: 4,028,820 km (0.046 R)
• M16: 4,245,438 km (0.071 R)
• M17: 4,367,510 km (0.084 R)
• M18: 5,150,056 km (0.035 R)
• M19: 5,359,194 km (0.107 R)
• M20: 5,517,917 km (0.055 R)
• M21: 5,839,852 km (0.117 R)
• M22: 6,058,115 km (0.093 R)
• M23: 6,306,747 km (0.092 R)
• M24: 6,446,322 km (0.073 R)
• M25: 6,615,367 km (0.067 R)
• M26: 6,814,183 km (0.12 R)
• M27: 6,957,647 km (0.101 R)
• M28: 7,101,860 km (0.087 R)
• M29: 7,305,612 km (0.107 R)
• M30: 7,838,629 km (0.074 R)
• M31: 8,019,044 km (0.104 R)
• M32: 8,910,648 km (0.106 R)
• M33: 9,225,401 km (0.106 R)
• M34: 9,320,546 km (0.103 R)
• M35: 10,289,940 km (0.11 R)
• M36: 10,853,625 km (0.119 R)
• M37: 11,632,132 km (0.081 R)
• M38: 11,735,055 km (0.087 R)
• M39: 11,907,093 km (0.099 R)
• M40: 12,709,835 km (0.073 R)
• M41: 12,886,660 km (0.08 R)
• M42: 13,494,027 km (0.059 R)
• M43: 13,746,848 km (0.11 R)
• M44: 13,855,605 km (0.066 R)
• M45: 14,922,388 km (0.09 R)
• M46: 15,109,086 km (0.076 R)
• M47: 15,296,382 km (0.086 R)
• M48: 15,371,630 km (0.047 R)
• M49: 15,597,822 km (0.062 R)
• M50: 15,901,206 km (0.114 R)
• M51: 16,091,944 km (0.027 R)
• M52: 16,823,178 km (0.109 R)
• M53: 17,173,387 km (0.069 R)
• M54: 17,880,985 km (0.079 R)
• M55: 18,358,052 km (0.061 R)
• M56: 18,678,491 km (0.117 R)
• M57: 19,203,131 km (0.108 R)
• M58: 19,691,568 km (0.039 R)
• M59: 20,225,483 km (0.098 R)
• M60: 21,433,635 km (0.045 R)
• M61: 22,195,238 km (0.057 R)
• M62: 22,493,835 km (0.111 R)
• M63: 22,665,125 km (0.039 R)
• M64: 22,922,732 km (0.074 R)
• M65: 23,095,069 km (0.101 R)
• M66: 23,354,322 km (0.11 R)
• M67: 23,658,006 km (0.059 R)
• M68: 23,832,138 km (0.092 R)
• M69: 24,137,916 km (0.099 R)
• M70: 24,313,244 km (0.109 R)
• M71: 25,063,029 km (0.101 R)
• M72: 25,285,032 km (0.111 R)
• M73: 26,811,828 km (0.114 R)
• M74: 27,586,296 km (0.105 R)
• M75: 28,368,244 km (0.062 R)
• M76: 28,692,273 km (0.06 R)
• M77: 29,765,788 km (0.081 R)
• M78: 30,048,079 km (0.119 R)
• M79: 30,757,472 km (0.115 R)
• M80: 31,807,948 km (0.119 R)
• M81: 32,289,354 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.7

Radius: 5.4

Gravity: 21.15 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 6.37 AU - 9.47 AU

Year: 14391 Days

Day: 21.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 58,997,001 km

• M1: 126,111 km (0.11 R)
• M2: 164,707 km (0.083 R)
• M3: 272,717 km (0.087 R)
• M4: 503,696 km (0.101 R)
• M5: 706,401 km (0.099 R)
• M6: 745,895 km (0.109 R)
• M7: 1,425,668 km (0.072 R)
• M8: 1,738,477 km (0.079 R)
• M9: 2,100,952 km (0.105 R)
• M10: 2,425,580 km (0.118 R)
• M11: 3,055,387 km (0.114 R)
• M12: 3,121,060 km (0.077 R)
• M13: 3,253,903 km (0.045 R)
• M14: 3,320,923 km (0.074 R)
• M15: 3,422,500 km (0.073 R)
• M16: 3,559,382 km (0.092 R)
• M17: 3,593,939 km (0.046 R)
• M18: 3,733,065 km (0.083 R)
• M19: 5,983,017 km (0.119 R)
• M20: 7,655,521 km (0.067 R)
• M21: 8,892,097 km (0.119 R)
• M22: 9,317,853 km (0.03 R)
• M23: 9,605,380 km (0.111 R)
• M24: 9,798,810 km (0.086 R)
• M25: 10,485,614 km (0.113 R)
• M26: 10,734,545 km (0.081 R)
• M27: 10,935,305 km (0.109 R)
• M28: 11,137,113 km (0.1 R)
• M29: 12,008,819 km (0.075 R)
• M30: 12,902,218 km (0.042 R)
• M31: 13,169,101 km (0.098 R)
• M32: 13,762,555 km (0.118 R)
• M33: 14,585,792 km (0.055 R)
• M34: 15,255,692 km (0.114 R)
• M35: 18,034,472 km (0.057 R)
• M36: 18,934,154 km (0.08 R)
• M37: 19,055,328 km (0.115 R)
• M38: 19,237,389 km (0.104 R)
• M39: 19,848,496 km (0.11 R)
• M40: 20,094,734 km (0.068 R)
• M41: 22,292,177 km (0.047 R)
• M42: 22,676,344 km (0.071 R)
• M43: 22,869,326 km (0.111 R)
• M44: 23,062,905 km (0.097 R)
• M45: 23,777,086 km (0.097 R)
• M46: 23,973,059 km (0.074 R)
• M47: 24,564,419 km (0.111 R)
• M48: 24,630,392 km (0.113 R)
• M49: 25,427,000 km (0.078 R)
• M50: 25,895,691 km (0.066 R)
• M51: 26,977,433 km (0.063 R)
• M52: 27,729,611 km (0.047 R)
• M53: 28,073,836 km (0.106 R)
• M54: 30,168,505 km (0.075 R)
• M55: 30,380,784 km (0.05 R)
• M56: 31,521,019 km (0.056 R)
• M57: 31,664,484 km (0.099 R)
• M58: 32,747,871 km (0.107 R)
• M59: 35,844,996 km (0.111 R)
• M60: 35,994,744 km (0.105 R)
• M61: 37,428,340 km (0.103 R)
• M62: 37,656,327 km (0.095 R)
• M63: 38,419,725 km (0.075 R)
• M64: 38,573,063 km (0.078 R)
• M65: 39,651,963 km (0.115 R)
• M66: 41,445,791 km (0.104 R)
• M67: 41,681,707 km (0.036 R)
• M68: 42,392,147 km (0.119 R)
• M69: 42,471,284 km (0.105 R)
• M70: 42,947,454 km (0.06 R)
• M71: 44,547,404 km (0.096 R)
• M72: 45,516,648 km (0.102 R)
• M73: 45,760,044 km (0.102 R)
• M74: 46,737,965 km (0.115 R)
• M75: 47,229,544 km (0.099 R)
• M76: 48,052,631 km (0.118 R)
• M77: 48,714,452 km (0.084 R)
• M78: 48,797,479 km (0.041 R)
• M79: 49,046,559 km (0.073 R)
• M80: 51,984,063 km (0.098 R)
• M81: 52,918,900 km (0.055 R)
• M82: 53,174,862 km (0.081 R)
• M83: 53,516,843 km (0.094 R)
• M84: 54,031,011 km (0.11 R)
• M85: 54,805,330 km (0.087 R)
• M86: 55,583,388 km (0.076 R)
• M87: 55,843,539 km (0.065 R)
• M88: 56,975,695 km (0.11 R)
• M89: 57,150,426 km (0.063 R)
• M90: 58,027,368 km (0.11 R)
• M91: 58,115,332 km (0.044 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: 234 - 12,352 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit