🌌 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: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.48 AU - 0.58 AU

Year: 253 Days

Day: 40.6 Hours

Environment

Temp: -113 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.2

Radius: 9.9

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.62 AU - 0.76 AU

Year: 376 Days

Day: 7.1 Hours

Environment

Temp: -127 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 75,905,002 km

• M1: 128,654 km (0.03 R)
• M2: 190,887 km (0.072 R)
• M3: 262,993 km (0.092 R)
• M4: 347,965 km (0.095 R)
• M5: 463,305 km (0.093 R)
• M6: 553,961 km (0.119 R)
• M7: 711,637 km (0.069 R)
• M8: 822,938 km (0.08 R)
• M9: 896,839 km (0.094 R)
• M10: 972,985 km (0.103 R)
• M11: 1,059,901 km (0.094 R)
• M12: 1,136,645 km (0.058 R)
• M13: 1,269,039 km (0.066 R)
• M14: 1,378,694 km (0.106 R)
• M15: 1,482,066 km (0.04 R)
• M16: 1,617,602 km (0.041 R)
• M17: 1,787,844 km (0.104 R)
• M18: 2,006,257 km (0.07 R)
• M19: 2,086,591 km (0.105 R)
• M20: 2,151,517 km (0.108 R)
• M21: 2,277,927 km (0.029 R)
• M22: 2,412,565 km (0.115 R)
• M23: 2,475,246 km (0.108 R)
• M24: 2,578,918 km (0.102 R)
• M25: 2,666,432 km (0.055 R)
• M26: 2,844,604 km (0.099 R)
• M27: 2,922,993 km (0.067 R)
• M28: 3,106,699 km (0.117 R)
• M29: 3,181,348 km (0.12 R)
• M30: 3,250,163 km (0.06 R)
• M31: 3,345,008 km (0.056 R)
• M32: 3,434,318 km (0.085 R)
• M33: 3,537,391 km (0.096 R)
• M34: 3,608,899 km (0.111 R)
• M35: 3,687,438 km (0.082 R)
• M36: 3,753,261 km (0.111 R)
• M37: 3,913,032 km (0.12 R)
• M38: 4,020,742 km (0.067 R)
• M39: 4,177,371 km (0.1 R)
• M40: 4,246,186 km (0.069 R)
• M41: 4,336,094 km (0.079 R)
• M42: 4,461,756 km (0.099 R)
• M43: 4,845,924 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.6

Radius: 10.2

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.88 AU - 1.04 AU

Year: 617 Days

Day: 6.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 75,905,002 km

• M1: 136,284 km (0.12 R)
• M2: 305,778 km (0.105 R)
• M3: 375,042 km (0.086 R)
• M4: 455,675 km (0.12 R)
• M5: 538,852 km (0.103 R)
• M6: 652,696 km (0.119 R)
• M7: 780,602 km (0.032 R)
• M8: 940,223 km (0.095 R)
• M9: 1,015,470 km (0.059 R)
• M10: 1,080,845 km (0.07 R)
• M11: 1,191,098 km (0.057 R)
• M12: 1,305,241 km (0.095 R)
• M13: 1,376,899 km (0.073 R)
• M14: 1,524,402 km (0.076 R)
• M15: 1,663,080 km (0.03 R)
• M16: 1,784,553 km (0.03 R)
• M17: 2,197,593 km (0.11 R)
• M18: 2,379,205 km (0.096 R)
• M19: 2,451,610 km (0.03 R)
• M20: 2,598,665 km (0.09 R)
• M21: 2,665,086 km (0.108 R)
• M22: 2,731,956 km (0.057 R)
• M23: 2,799,575 km (0.093 R)
• M24: 2,927,630 km (0.027 R)
• M25: 3,049,104 km (0.114 R)
• M26: 3,252,108 km (0.1 R)
• M27: 3,405,147 km (0.106 R)
• M28: 3,496,401 km (0.116 R)
• M29: 3,699,705 km (0.038 R)
• M30: 3,793,503 km (0.086 R)
• M31: 4,118,429 km (0.088 R)
• M32: 4,442,309 km (0.102 R)
• M33: 4,532,067 km (0.112 R)
• M34: 4,642,620 km (0.115 R)
• M35: 4,723,702 km (0.105 R)
• M36: 4,835,901 km (0.096 R)
• M37: 5,146,316 km (0.111 R)
• M38: 5,378,043 km (0.034 R)
• M39: 5,516,721 km (0.084 R)
• M40: 5,581,048 km (0.108 R)
• M41: 5,678,137 km (0.082 R)
• M42: 5,906,722 km (0.083 R)
• M43: 6,127,379 km (0.116 R)
• M44: 6,205,170 km (0.076 R)
• M45: 6,361,949 km (0.103 R)
• M46: 6,440,787 km (0.101 R)
• M47: 6,542,663 km (0.107 R)
• M48: 6,656,357 km (0.097 R)
• M49: 6,782,468 km (0.094 R)
• M50: 7,141,653 km (0.095 R)
• M51: 7,270,756 km (0.08 R)
• M52: 7,353,184 km (0.081 R)
• M53: 7,531,056 km (0.061 R)
• M54: 7,915,223 km (0.104 R)
• M55: 7,987,928 km (0.111 R)
• M56: 8,085,316 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.6

Radius: 12

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.65 AU - 2.15 AU

Year: 1718 Days

Day: 12.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 75,905,002 km

• M1: 167,101 km (0.109 R)
• M2: 315,203 km (0.062 R)
• M3: 392,395 km (0.036 R)
• M4: 494,122 km (0.085 R)
• M5: 724,353 km (0.099 R)
• M6: 830,567 km (0.077 R)
• M7: 936,034 km (0.111 R)
• M8: 1,060,499 km (0.101 R)
• M9: 1,176,138 km (0.067 R)
• M10: 1,342,342 km (0.03 R)
• M11: 1,492,538 km (0.115 R)
• M12: 1,623,586 km (0.072 R)
• M13: 1,879,996 km (0.105 R)
• M14: 2,013,139 km (0.105 R)
• M15: 2,460,885 km (0.096 R)
• M16: 2,706,525 km (0.085 R)
• M17: 2,847,595 km (0.054 R)
• M18: 2,980,887 km (0.115 R)
• M19: 3,168,932 km (0.108 R)
• M20: 3,275,146 km (0.098 R)
• M21: 3,371,786 km (0.083 R)
• M22: 3,502,086 km (0.097 R)
• M23: 3,723,192 km (0.068 R)
• M24: 4,202,354 km (0.102 R)
• M25: 4,473,126 km (0.042 R)
• M26: 4,835,003 km (0.078 R)
• M27: 5,094,107 km (0.045 R)
• M28: 5,206,455 km (0.085 R)
• M29: 5,421,128 km (0.115 R)
• M30: 5,497,572 km (0.026 R)
• M31: 5,600,196 km (0.105 R)
• M32: 5,794,075 km (0.064 R)
• M33: 5,898,494 km (0.084 R)
• M34: 6,069,485 km (0.091 R)
• M35: 6,335,619 km (0.067 R)
• M36: 6,497,335 km (0.044 R)
• M37: 6,592,180 km (0.08 R)
• M38: 6,783,515 km (0.1 R)
• M39: 6,948,821 km (0.111 R)
• M40: 7,424,692 km (0.089 R)
• M41: 7,552,449 km (0.088 R)
• M42: 7,781,483 km (0.063 R)
• M43: 7,882,312 km (0.058 R)
• M44: 8,571,210 km (0.102 R)
• M45: 8,750,129 km (0.044 R)
• M46: 9,294,516 km (0.036 R)
• M47: 9,493,780 km (0.069 R)
• M48: 9,601,790 km (0.089 R)
• M49: 9,741,065 km (0.09 R)
• M50: 10,210,503 km (0.103 R)
• M51: 10,671,265 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.5

Radius: 10.5

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.07 AU - 2.49 AU

Year: 2258 Days

Day: 9 Hours

Environment

Temp: -186 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,905,002 km

• M1: 136,583 km (0.105 R)
• M2: 213,775 km (0.053 R)
• M3: 302,188 km (0.092 R)
• M4: 522,545 km (0.109 R)
• M5: 589,266 km (0.097 R)
• M6: 1,013,077 km (0.101 R)
• M7: 1,193,641 km (0.055 R)
• M8: 1,295,817 km (0.097 R)
• M9: 1,774,979 km (0.084 R)
• M10: 1,958,685 km (0.064 R)
• M11: 2,074,324 km (0.096 R)
• M12: 2,198,640 km (0.077 R)
• M13: 2,370,528 km (0.07 R)
• M14: 2,566,651 km (0.06 R)
• M15: 2,754,695 km (0.049 R)
• M16: 2,989,265 km (0.109 R)
• M17: 3,338,725 km (0.056 R)
• M18: 3,701,500 km (0.054 R)
• M19: 3,891,489 km (0.052 R)
• M20: 4,061,283 km (0.068 R)
• M21: 4,432,585 km (0.12 R)
• M22: 4,806,430 km (0.109 R)
• M23: 5,759,368 km (0.111 R)
• M24: 5,856,009 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.3

Radius: 13.5

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.66 AU - 3.3 AU

Year: 3375 Days

Day: 9.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 75,905,002 km

• M1: 333,753 km (0.062 R)
• M2: 717,172 km (0.083 R)
• M3: 801,545 km (0.107 R)
• M4: 958,623 km (0.072 R)
• M5: 1,077,703 km (0.106 R)
• M6: 1,164,320 km (0.092 R)
• M7: 1,577,958 km (0.104 R)
• M8: 1,706,762 km (0.119 R)
• M9: 1,929,513 km (0.101 R)
• M10: 2,114,865 km (0.106 R)
• M11: 2,209,860 km (0.096 R)
• M12: 2,741,082 km (0.064 R)
• M13: 2,950,668 km (0.098 R)
• M14: 3,165,491 km (0.106 R)
• M15: 4,037,198 km (0.106 R)
• M16: 4,176,174 km (0.106 R)
• M17: 4,727,442 km (0.089 R)
• M18: 4,874,048 km (0.1 R)
• M19: 5,001,057 km (0.073 R)
• M20: 5,107,870 km (0.092 R)
• M21: 5,258,515 km (0.091 R)
• M22: 5,719,426 km (0.059 R)
• M23: 6,170,613 km (0.101 R)
• M24: 6,354,319 km (0.111 R)
• M25: 6,609,982 km (0.088 R)
• M26: 6,750,903 km (0.066 R)
• M27: 7,059,673 km (0.092 R)
• M28: 7,203,736 km (0.108 R)
• M29: 7,300,376 km (0.091 R)
• M30: 7,543,772 km (0.055 R)
• M31: 7,963,843 km (0.08 R)
• M32: 8,493,120 km (0.105 R)
• M33: 8,723,650 km (0.079 R)
• M34: 9,060,096 km (0.1 R)
• M35: 9,190,695 km (0.106 R)
• M36: 9,559,603 km (0.117 R)
• M37: 9,692,596 km (0.118 R)
• M38: 9,933,598 km (0.083 R)
• M39: 10,068,236 km (0.027 R)
• M40: 10,695,649 km (0.105 R)
• M41: 11,028,205 km (0.086 R)
• M42: 11,364,053 km (0.078 R)
• M43: 11,731,764 km (0.052 R)
• M44: 11,931,328 km (0.114 R)
• M45: 12,682,608 km (0.103 R)
• M46: 12,828,915 km (0.11 R)
• M47: 13,271,126 km (0.078 R)
• M48: 13,538,757 km (0.11 R)
• M49: 14,200,727 km (0.094 R)
• M50: 14,505,159 km (0.055 R)
• M51: 14,996,588 km (0.118 R)
• M52: 15,431,320 km (0.116 R)
• M53: 15,712,863 km (0.093 R)
• M54: 15,807,109 km (0.029 R)
• M55: 16,090,897 km (0.096 R)
• M56: 16,599,829 km (0.11 R)
• M57: 16,791,912 km (0.084 R)
• M58: 17,049,370 km (0.099 R)
• M59: 17,502,951 km (0.066 R)
• M60: 18,092,067 km (0.097 R)
• M61: 18,190,951 km (0.117 R)
• M62: 18,587,984 km (0.115 R)
• M63: 18,687,616 km (0.092 R)
• M64: 18,920,989 km (0.109 R)
• M65: 19,155,409 km (0.054 R)
• M66: 19,626,941 km (0.107 R)
• M67: 19,864,204 km (0.105 R)
• M68: 20,444,344 km (0.043 R)
• M69: 20,753,713 km (0.098 R)
• M70: 21,238,111 km (0.06 R)
• M71: 21,377,087 km (0.103 R)
• M72: 21,621,231 km (0.108 R)
• M73: 21,726,099 km (0.107 R)
• M74: 22,182,671 km (0.055 R)
• M75: 23,427,625 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.8

Radius: 6.2

Gravity: 21.82 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 9.02 AU - 9.18 AU

Year: 18008 Days

Day: 18.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 75,905,002 km

• M1: 661,073 km (0.072 R)
• M2: 777,011 km (0.109 R)
• M3: 849,716 km (0.053 R)
• M4: 950,395 km (0.09 R)
• M5: 1,697,337 km (0.066 R)
• M6: 2,158,697 km (0.041 R)
• M7: 3,308,357 km (0.042 R)
• M8: 3,672,478 km (0.095 R)
• M9: 4,263,839 km (0.108 R)
• M10: 4,704,404 km (0.038 R)
• M11: 5,392,106 km (0.113 R)
• M12: 5,819,656 km (0.036 R)
• M13: 5,964,617 km (0.101 R)
• M14: 6,258,277 km (0.034 R)
• M15: 7,795,246 km (0.092 R)
• M16: 8,116,133 km (0.12 R)
• M17: 8,278,148 km (0.072 R)
• M18: 9,272,674 km (0.116 R)
• M19: 9,726,704 km (0.104 R)
• M20: 10,071,976 km (0.069 R)
• M21: 11,919,061 km (0.064 R)
• M22: 15,576,729 km (0.062 R)
• M23: 15,778,237 km (0.105 R)
• M24: 16,524,282 km (0.053 R)
• M25: 18,120,790 km (0.061 R)
• M26: 18,403,530 km (0.047 R)
• M27: 18,901,691 km (0.056 R)
• M28: 19,765,918 km (0.045 R)
• M29: 19,984,032 km (0.031 R)
• M30: 20,422,653 km (0.04 R)
• M31: 21,907,411 km (0.078 R)
• M32: 22,967,163 km (0.117 R)
• M33: 23,426,578 km (0.085 R)
• M34: 23,580,364 km (0.058 R)
• M35: 24,276,443 km (0.06 R)
• M36: 24,822,625 km (0.12 R)
• M37: 25,136,481 km (0.092 R)
• M38: 25,294,008 km (0.087 R)
• M39: 25,451,684 km (0.117 R)
• M40: 27,047,295 km (0.071 R)
• M41: 28,347,001 km (0.11 R)
• M42: 29,749,930 km (0.051 R)
• M43: 30,334,259 km (0.034 R)
• M44: 31,091,075 km (0.064 R)
• M45: 31,683,931 km (0.086 R)
• M46: 33,484,791 km (0.04 R)
• M47: 36,025,860 km (0.092 R)
• M48: 37,814,153 km (0.095 R)
• M49: 38,356,296 km (0.082 R)
• M50: 38,537,608 km (0.058 R)
• M51: 38,992,087 km (0.054 R)
• M52: 39,722,872 km (0.107 R)
• M53: 40,089,836 km (0.115 R)
• M54: 41,012,555 km (0.044 R)
• M55: 41,105,157 km (0.075 R)
• M56: 41,290,658 km (0.063 R)
• M57: 43,727,458 km (0.119 R)
• M58: 45,633,484 km (0.118 R)
• M59: 46,017,951 km (0.073 R)
• M60: 46,886,815 km (0.106 R)
• M61: 48,053,828 km (0.037 R)
• M62: 49,920,959 km (0.096 R)
• M63: 50,614,794 km (0.082 R)
• M64: 50,813,610 km (0.092 R)
• M65: 54,538,746 km (0.046 R)
• M66: 54,946,700 km (0.117 R)
• M67: 58,872,447 km (0.089 R)
• M68: 59,500,459 km (0.064 R)
• M69: 60,025,547 km (0.108 R)
• M70: 60,446,815 km (0.097 R)
• M71: 60,552,281 km (0.115 R)
• M72: 61,397,958 km (0.037 R)
• M73: 62,034,946 km (0.109 R)
• M74: 62,247,674 km (0.108 R)
• M75: 63,101,279 km (0.08 R)
• M76: 63,315,354 km (0.077 R)
• M77: 63,422,466 km (0.064 R)
• M78: 64,712,149 km (0.052 R)
• M79: 64,820,159 km (0.12 R)
• M80: 65,576,975 km (0.066 R)
• M81: 66,336,633 km (0.067 R)
• M82: 67,536,408 km (0.118 R)
• M83: 68,303,545 km (0.063 R)
• M84: 69,183,929 km (0.082 R)
• M85: 69,514,989 km (0.056 R)
• M86: 70,844,615 km (0.056 R)
• M87: 71,289,668 km (0.053 R)
• M88: 72,406,417 km (0.092 R)
• M89: 75,677,673 km (0.103 R)
• M90: 75,791,218 km (0.115 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 16,625 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit