🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.65 AU - 0.65 AU

Year: 344 Days

Day: 47.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.4

Radius: 13.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.69 AU - 0.83 AU

Year: 435 Days

Day: 8.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 25,392,140 km

• M1: 190,737 km (0.051 R)
• M2: 278,252 km (0.107 R)
• M3: 378,931 km (0.089 R)
• M4: 476,020 km (0.104 R)
• M5: 610,808 km (0.102 R)
• M6: 723,007 km (0.081 R)
• M7: 833,260 km (0.12 R)
• M8: 936,034 km (0.119 R)
• M9: 1,091,616 km (0.073 R)
• M10: 1,221,317 km (0.09 R)
• M11: 1,340,247 km (0.035 R)
• M12: 1,446,911 km (0.112 R)
• M13: 1,573,620 km (0.093 R)
• M14: 1,704,369 km (0.119 R)
• M15: 1,807,142 km (0.102 R)
• M16: 1,903,035 km (0.102 R)
• M17: 2,090,331 km (0.117 R)
• M18: 2,205,821 km (0.115 R)
• M19: 2,313,681 km (0.057 R)
• M20: 2,468,814 km (0.091 R)
• M21: 2,658,504 km (0.1 R)
• M22: 2,784,166 km (0.114 R)
• M23: 2,982,084 km (0.061 R)
• M24: 3,162,499 km (0.119 R)
• M25: 3,279,335 km (0.117 R)
• M26: 3,403,202 km (0.114 R)
• M27: 3,500,141 km (0.075 R)
• M28: 3,655,873 km (0.094 R)
• M29: 3,843,468 km (0.109 R)
• M30: 3,962,548 km (0.084 R)
• M31: 4,112,894 km (0.078 R)
• M32: 4,246,934 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.1

Radius: 11.1

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.98 AU - 1.28 AU

Year: 788 Days

Day: 14.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 25,392,140 km

• M1: 139,126 km (0.095 R)
• M2: 223,948 km (0.086 R)
• M3: 322,982 km (0.112 R)
• M4: 394,041 km (0.085 R)
• M5: 538,403 km (0.119 R)
• M6: 681,717 km (0.087 R)
• M7: 767,587 km (0.081 R)
• M8: 848,220 km (0.051 R)
• M9: 984,803 km (0.064 R)
• M10: 1,058,555 km (0.071 R)
• M11: 1,212,192 km (0.119 R)
• M12: 1,297,163 km (0.101 R)
• M13: 1,395,449 km (0.109 R)
• M14: 1,496,278 km (0.078 R)
• M15: 1,759,570 km (0.102 R)
• M16: 1,887,626 km (0.117 R)
• M17: 2,050,538 km (0.091 R)
• M18: 2,146,729 km (0.105 R)
• M19: 2,231,402 km (0.117 R)
• M20: 2,310,539 km (0.053 R)
• M21: 2,383,992 km (0.103 R)
• M22: 2,546,904 km (0.103 R)
• M23: 2,643,694 km (0.104 R)
• M24: 2,784,166 km (0.086 R)
• M25: 2,985,076 km (0.11 R)
• M26: 3,102,061 km (0.101 R)
• M27: 3,340,820 km (0.107 R)
• M28: 3,424,146 km (0.082 R)
• M29: 3,531,407 km (0.087 R)
• M30: 3,632,087 km (0.059 R)
• M31: 3,717,956 km (0.102 R)
• M32: 3,859,924 km (0.113 R)
• M33: 3,931,731 km (0.106 R)
• M34: 4,036,001 km (0.119 R)
• M35: 4,149,546 km (0.116 R)
• M36: 4,305,128 km (0.118 R)
• M37: 4,639,329 km (0.076 R)
• M38: 4,783,990 km (0.075 R)
• M39: 4,999,411 km (0.046 R)
• M40: 5,095,154 km (0.108 R)
• M41: 5,466,605 km (0.041 R)
• M42: 5,691,900 km (0.074 R)
• M43: 5,792,130 km (0.106 R)
• M44: 6,086,689 km (0.056 R)
• M45: 6,170,463 km (0.115 R)
• M46: 6,282,811 km (0.059 R)
• M47: 6,386,333 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.7

Radius: 11.7

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.65 AU - 1.77 AU

Year: 1467 Days

Day: 5.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 25,392,140 km

• M1: 152,739 km (0.096 R)
• M2: 252,671 km (0.074 R)
• M3: 396,285 km (0.118 R)
• M4: 476,320 km (0.094 R)
• M5: 569,369 km (0.093 R)
• M6: 840,441 km (0.098 R)
• M7: 1,010,982 km (0.09 R)
• M8: 1,128,716 km (0.071 R)
• M9: 1,209,948 km (0.069 R)
• M10: 1,344,436 km (0.091 R)
• M11: 1,431,053 km (0.05 R)
• M12: 1,528,591 km (0.096 R)
• M13: 1,932,356 km (0.088 R)
• M14: 2,131,470 km (0.09 R)
• M15: 2,213,001 km (0.093 R)
• M16: 2,507,111 km (0.063 R)
• M17: 2,747,215 km (0.032 R)
• M18: 2,825,156 km (0.11 R)
• M19: 3,261,832 km (0.075 R)
• M20: 3,344,560 km (0.112 R)
• M21: 3,560,729 km (0.12 R)
• M22: 3,670,533 km (0.112 R)
• M23: 3,856,184 km (0.109 R)
• M24: 4,146,853 km (0.038 R)
• M25: 4,353,298 km (0.113 R)
• M26: 4,749,732 km (0.108 R)
• M27: 4,857,443 km (0.096 R)
• M28: 5,089,020 km (0.101 R)
• M29: 5,254,775 km (0.1 R)
• M30: 5,352,163 km (0.081 R)
• M31: 5,563,246 km (0.079 R)
• M32: 5,993,489 km (0.086 R)
• M33: 6,139,197 km (0.048 R)
• M34: 6,360,303 km (0.112 R)
• M35: 6,434,504 km (0.103 R)
• M36: 6,689,119 km (0.119 R)
• M37: 6,931,917 km (0.092 R)
• M38: 7,488,570 km (0.031 R)
• M39: 8,043,728 km (0.094 R)
• M40: 8,188,688 km (0.046 R)
• M41: 8,595,894 km (0.091 R)
• M42: 8,743,996 km (0.117 R)
• M43: 9,244,251 km (0.118 R)
• M44: 9,328,474 km (0.102 R)
• M45: 9,582,791 km (0.088 R)
• M46: 9,770,835 km (0.057 R)
• M47: 10,254,934 km (0.07 R)
• M48: 10,342,150 km (0.079 R)
• M49: 10,764,614 km (0.115 R)
• M50: 10,853,326 km (0.112 R)
• M51: 11,031,497 km (0.115 R)
• M52: 11,138,758 km (0.106 R)
• M53: 11,228,517 km (0.099 R)
• M54: 11,408,782 km (0.04 R)
• M55: 11,571,844 km (0.11 R)
• M56: 11,973,514 km (0.096 R)
• M57: 12,083,918 km (0.061 R)
• M58: 12,194,620 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413

Radius: 12.7

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.14 AU - 4.48 AU

Year: 5870 Days

Day: 12.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 25,392,140 km

• M1: 199,713 km (0.067 R)
• M2: 342,729 km (0.091 R)
• M3: 647,460 km (0.076 R)
• M4: 749,485 km (0.104 R)
• M5: 857,495 km (0.088 R)
• M6: 945,758 km (0.113 R)
• M7: 1,118,394 km (0.099 R)
• M8: 1,316,760 km (0.099 R)
• M9: 1,636,750 km (0.057 R)
• M10: 1,765,255 km (0.097 R)
• M11: 2,119,203 km (0.071 R)
• M12: 2,477,490 km (0.032 R)
• M13: 3,130,784 km (0.117 R)
• M14: 3,251,510 km (0.082 R)
• M15: 3,415,020 km (0.071 R)
• M16: 3,539,486 km (0.048 R)
• M17: 3,793,054 km (0.069 R)
• M18: 3,965,540 km (0.073 R)
• M19: 4,385,462 km (0.062 R)
• M20: 4,750,331 km (0.072 R)
• M21: 5,196,432 km (0.066 R)
• M22: 5,364,280 km (0.117 R)
• M23: 5,460,921 km (0.113 R)
• M24: 5,804,098 km (0.07 R)
• M25: 5,903,431 km (0.059 R)
• M26: 6,154,307 km (0.109 R)
• M27: 6,281,016 km (0.085 R)
• M28: 6,485,816 km (0.117 R)
• M29: 6,744,770 km (0.042 R)
• M30: 7,192,815 km (0.069 R)
• M31: 7,380,112 km (0.08 R)
• M32: 8,201,404 km (0.12 R)
• M33: 8,622,971 km (0.112 R)
• M34: 8,822,235 km (0.05 R)
• M35: 9,080,591 km (0.104 R)
• M36: 9,399,683 km (0.069 R)
• M37: 9,693,044 km (0.088 R)
• M38: 9,811,227 km (0.086 R)
• M39: 10,049,087 km (0.068 R)
• M40: 10,288,893 km (0.055 R)
• M41: 10,561,011 km (0.117 R)
• M42: 10,835,374 km (0.113 R)
• M43: 10,927,376 km (0.061 R)
• M44: 11,081,313 km (0.092 R)
• M45: 11,360,163 km (0.083 R)
• M46: 11,547,460 km (0.066 R)
• M47: 11,641,407 km (0.116 R)
• M48: 11,988,175 km (0.12 R)
• M49: 13,114,497 km (0.109 R)
• M50: 13,343,831 km (0.101 R)
• M51: 14,544,055 km (0.093 R)
• M52: 15,020,225 km (0.119 R)
• M53: 15,536,038 km (0.049 R)
• M54: 15,639,859 km (0.065 R)
• M55: 15,848,398 km (0.076 R)
• M56: 15,987,824 km (0.103 R)
• M57: 16,514,408 km (0.063 R)
• M58: 16,726,688 km (0.107 R)
• M59: 16,833,201 km (0.09 R)
• M60: 19,121,001 km (0.114 R)
• M61: 19,269,403 km (0.076 R)
• M62: 19,530,301 km (0.108 R)
• M63: 20,206,484 km (0.115 R)
• M64: 20,509,569 km (0.077 R)
• M65: 20,661,560 km (0.07 R)
• M66: 21,350,459 km (0.106 R)
• M67: 21,659,079 km (0.098 R)
• M68: 21,814,062 km (0.116 R)
• M69: 22,008,091 km (0.111 R)
• M70: 22,437,137 km (0.114 R)
• M71: 23,145,334 km (0.086 R)
• M72: 23,422,688 km (0.088 R)
• M73: 23,502,125 km (0.071 R)
• M74: 24,422,152 km (0.113 R)
• M75: 24,623,810 km (0.119 R)
• M76: 25,191,085 km (0.082 R)
• M77: 25,680,868 km (0.073 R)
• M78: 26,380,089 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.9

Radius: 12

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.71 AU - 5.91 AU

Year: 6920 Days

Day: 14 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 25,392,140 km

• M1: 184,604 km (0.119 R)
• M2: 314,604 km (0.115 R)
• M3: 475,123 km (0.104 R)
• M4: 579,991 km (0.109 R)
• M5: 747,840 km (0.056 R)
• M6: 1,199,476 km (0.113 R)
• M7: 1,282,503 km (0.071 R)
• M8: 1,419,833 km (0.095 R)
• M9: 1,804,150 km (0.117 R)
• M10: 2,345,545 km (0.116 R)
• M11: 2,602,105 km (0.106 R)
• M12: 3,119,564 km (0.115 R)
• M13: 3,450,325 km (0.117 R)
• M14: 4,120,225 km (0.079 R)
• M15: 4,589,064 km (0.097 R)
• M16: 5,436,536 km (0.044 R)
• M17: 6,037,920 km (0.104 R)
• M18: 6,125,584 km (0.097 R)
• M19: 6,213,697 km (0.069 R)
• M20: 6,302,259 km (0.051 R)
• M21: 7,428,581 km (0.088 R)
• M22: 8,289,517 km (0.041 R)
• M23: 8,583,477 km (0.075 R)
• M24: 8,847,816 km (0.106 R)
• M25: 9,047,679 km (0.118 R)
• M26: 9,350,465 km (0.075 R)
• M27: 9,862,539 km (0.119 R)
• M28: 10,313,726 km (0.063 R)
• M29: 11,200,393 km (0.094 R)
• M30: 11,707,679 km (0.11 R)
• M31: 12,259,396 km (0.081 R)
• M32: 12,482,596 km (0.075 R)
• M33: 12,782,091 km (0.112 R)
• M34: 13,008,432 km (0.091 R)
• M35: 14,354,514 km (0.087 R)
• M36: 14,550,487 km (0.089 R)
• M37: 14,707,864 km (0.059 R)
• M38: 14,945,126 km (0.083 R)
• M39: 15,906,293 km (0.113 R)
• M40: 15,987,375 km (0.107 R)
• M41: 16,681,509 km (0.116 R)
• M42: 16,763,788 km (0.108 R)
• M43: 16,928,944 km (0.115 R)
• M44: 17,094,549 km (0.101 R)
• M45: 17,804,241 km (0.104 R)
• M46: 18,141,584 km (0.098 R)
• M47: 19,295,732 km (0.063 R)
• M48: 19,642,350 km (0.056 R)
• M49: 20,650,041 km (0.104 R)
• M50: 21,093,449 km (0.054 R)
• M51: 21,271,770 km (0.089 R)
• M52: 21,854,454 km (0.037 R)
• M53: 22,488,001 km (0.102 R)
• M54: 22,852,720 km (0.057 R)
• M55: 24,331,046 km (0.09 R)
• M56: 24,564,868 km (0.056 R)
• M57: 24,940,508 km (0.104 R)
• M58: 25,649,901 km (0.093 R)
• M59: 26,126,520 km (0.114 R)
• M60: 27,185,374 km (0.104 R)
• M61: 27,379,402 km (0.096 R)
• M62: 27,720,186 km (0.099 R)
• M63: 27,866,643 km (0.1 R)
• M64: 28,504,079 km (0.049 R)
• M65: 28,602,664 km (0.073 R)
• M66: 28,997,752 km (0.079 R)
• M67: 29,096,935 km (0.074 R)
• M68: 29,295,452 km (0.066 R)
• M69: 30,143,971 km (0.101 R)
• M70: 31,051,432 km (0.054 R)
• M71: 31,763,368 km (0.068 R)
• M72: 32,275,142 km (0.105 R)
• M73: 32,841,370 km (0.07 R)
• M74: 33,307,068 km (0.098 R)
• M75: 34,454,484 km (0.084 R)
• M76: 34,875,004 km (0.086 R)
• M77: 35,033,129 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 71.1

Radius: 3.4

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.75 AU - 8.11 AU

Year: 11968 Days

Day: 15.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 25,392,140 km

• M1: 230,082 km (0.091 R)
• M2: 276,307 km (0.119 R)
• M3: 542,292 km (0.075 R)
• M4: 726,746 km (0.072 R)
• M5: 868,116 km (0.084 R)
• M6: 2,225,119 km (0.105 R)
• M7: 2,711,761 km (0.092 R)
• M8: 3,559,382 km (0.116 R)
• M9: 3,598,726 km (0.075 R)
• M10: 3,678,163 km (0.048 R)
• M11: 4,103,918 km (0.09 R)
• M12: 4,891,551 km (0.06 R)
• M13: 5,540,656 km (0.053 R)
• M14: 5,886,975 km (0.101 R)
• M15: 6,145,331 km (0.093 R)
• M16: 6,917,705 km (0.045 R)
• M17: 7,140,306 km (0.049 R)
• M18: 7,240,088 km (0.086 R)
• M19: 7,925,396 km (0.104 R)
• M20: 8,054,499 km (0.116 R)
• M21: 8,657,528 km (0.074 R)
• M22: 9,383,826 km (0.118 R)
• M23: 9,934,346 km (0.093 R)
• M24: 10,185,521 km (0.061 R)
• M25: 11,559,727 km (0.086 R)
• M26: 11,618,219 km (0.05 R)
• M27: 12,718,362 km (0.091 R)
• M28: 13,603,682 km (0.104 R)
• M29: 13,634,500 km (0.116 R)
• M30: 14,952,457 km (0.079 R)
• M31: 15,080,064 km (0.092 R)
• M32: 15,594,082 km (0.049 R)
• M33: 15,626,395 km (0.056 R)
• M34: 15,820,872 km (0.046 R)
• M35: 18,317,362 km (0.03 R)
• M36: 19,072,532 km (0.056 R)
• M37: 19,523,569 km (0.11 R)
• M38: 20,083,514 km (0.073 R)
• M39: 20,613,240 km (0.117 R)
• M40: 20,790,813 km (0.112 R)
• M41: 21,147,454 km (0.053 R)
• M42: 21,219,112 km (0.109 R)
• M43: 21,614,200 km (0.11 R)
• M44: 21,650,253 km (0.08 R)
• M45: 21,722,508 km (0.111 R)
• M46: 23,514,841 km (0.106 R)
• M47: 23,551,941 km (0.095 R)
• M48: 23,774,842 km (0.119 R)
• M49: 24,110,390 km (0.112 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 12,634 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit