🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.45 AU - 0.63 AU

Year: 252 Days

Day: 37.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.2

Radius: 9.3

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.65 AU - 0.71 AU

Year: 357 Days

Day: 5.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 18,416,015 km

• M1: 115,789 km (0.094 R)
• M2: 174,132 km (0.088 R)
• M3: 269,575 km (0.075 R)
• M4: 354,098 km (0.097 R)
• M5: 487,988 km (0.084 R)
• M6: 550,819 km (0.07 R)
• M7: 685,906 km (0.076 R)
• M8: 748,737 km (0.118 R)
• M9: 905,217 km (0.107 R)
• M10: 995,275 km (0.103 R)
• M11: 1,072,766 km (0.113 R)
• M12: 1,212,192 km (0.061 R)
• M13: 1,278,763 km (0.052 R)
• M14: 1,375,104 km (0.113 R)
• M15: 1,453,343 km (0.096 R)
• M16: 1,663,528 km (0.058 R)
• M17: 1,722,320 km (0.087 R)
• M18: 1,851,722 km (0.047 R)
• M19: 1,932,206 km (0.108 R)
• M20: 2,040,216 km (0.094 R)
• M21: 2,113,519 km (0.115 R)
• M22: 2,238,583 km (0.104 R)
• M23: 2,348,836 km (0.079 R)
• M24: 2,461,035 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.6

Radius: 8.8

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.02 AU - 1.22 AU

Year: 754 Days

Day: 13.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 18,416,015 km

• M1: 114,742 km (0.081 R)
• M2: 211,382 km (0.102 R)
• M3: 315,053 km (0.096 R)
• M4: 393,891 km (0.119 R)
• M5: 485,146 km (0.103 R)
• M6: 548,875 km (0.099 R)
• M7: 620,532 km (0.115 R)
• M8: 690,993 km (0.107 R)
• M9: 794,514 km (0.12 R)
• M10: 951,742 km (0.056 R)
• M11: 1,051,224 km (0.1 R)
• M12: 1,131,110 km (0.119 R)
• M13: 1,219,073 km (0.08 R)
• M14: 1,377,198 km (0.069 R)
• M15: 1,542,204 km (0.074 R)
• M16: 1,680,283 km (0.085 R)
• M17: 1,795,174 km (0.068 R)
• M18: 2,004,163 km (0.086 R)
• M19: 2,236,039 km (0.062 R)
• M20: 2,415,706 km (0.12 R)
• M21: 2,515,039 km (0.092 R)
• M22: 2,592,382 km (0.107 R)
• M23: 2,733,751 km (0.102 R)
• M24: 2,813,338 km (0.037 R)
• M25: 3,264,974 km (0.065 R)
• M26: 3,332,592 km (0.068 R)
• M27: 3,607,852 km (0.07 R)
• M28: 3,695,367 km (0.069 R)
• M29: 3,757,001 km (0.086 R)
• M30: 4,253,815 km (0.079 R)
• M31: 4,318,591 km (0.076 R)
• M32: 4,599,686 km (0.109 R)
• M33: 4,742,552 km (0.074 R)
• M34: 4,857,892 km (0.106 R)
• M35: 5,071,817 km (0.06 R)
• M36: 5,199,723 km (0.096 R)
• M37: 5,298,757 km (0.076 R)
• M38: 5,783,154 km (0.108 R)
• M39: 5,855,111 km (0.104 R)
• M40: 6,010,094 km (0.093 R)
• M41: 6,250,349 km (0.098 R)
• M42: 6,345,194 km (0.088 R)
• M43: 6,451,109 km (0.106 R)
• M44: 6,826,749 km (0.088 R)
• M45: 6,968,119 km (0.086 R)
• M46: 7,110,387 km (0.117 R)
• M47: 7,165,439 km (0.08 R)
• M48: 7,297,983 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.6

Radius: 12.3

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.13 AU - 1.79 AU

Year: 1122 Days

Day: 6.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 18,416,015 km

• M1: 155,432 km (0.026 R)
• M2: 246,088 km (0.09 R)
• M3: 357,240 km (0.1 R)
• M4: 475,422 km (0.091 R)
• M5: 584,030 km (0.026 R)
• M6: 685,906 km (0.101 R)
• M7: 866,920 km (0.117 R)
• M8: 1,084,884 km (0.074 R)
• M9: 1,264,102 km (0.118 R)
• M10: 1,401,433 km (0.069 R)
• M11: 1,528,890 km (0.111 R)
• M12: 1,771,688 km (0.059 R)
• M13: 1,960,031 km (0.1 R)
• M14: 2,052,483 km (0.092 R)
• M15: 2,163,784 km (0.093 R)
• M16: 2,383,692 km (0.102 R)
• M17: 2,629,631 km (0.084 R)
• M18: 2,798,228 km (0.052 R)
• M19: 3,048,206 km (0.028 R)
• M20: 3,185,986 km (0.092 R)
• M21: 3,406,643 km (0.076 R)
• M22: 3,570,303 km (0.094 R)
• M23: 3,663,502 km (0.106 R)
• M24: 3,778,543 km (0.053 R)
• M25: 4,001,743 km (0.092 R)
• M26: 4,284,034 km (0.113 R)
• M27: 4,405,508 km (0.075 R)
• M28: 4,494,518 km (0.106 R)
• M29: 4,708,593 km (0.113 R)
• M30: 4,799,698 km (0.099 R)
• M31: 4,879,883 km (0.074 R)
• M32: 5,041,598 km (0.1 R)
• M33: 5,264,050 km (0.075 R)
• M34: 5,382,531 km (0.06 R)
• M35: 5,646,123 km (0.1 R)
• M36: 5,730,945 km (0.083 R)
• M37: 5,914,053 km (0.116 R)
• M38: 6,161,338 km (0.091 R)
• M39: 6,286,252 km (0.057 R)
• M40: 6,487,910 km (0.045 R)
• M41: 6,627,784 km (0.065 R)
• M42: 6,768,705 km (0.034 R)
• M43: 6,897,659 km (0.113 R)
• M44: 7,040,375 km (0.098 R)
• M45: 7,157,959 km (0.082 R)
• M46: 7,514,750 km (0.117 R)
• M47: 7,634,877 km (0.047 R)
• M48: 7,742,288 km (0.063 R)
• M49: 7,904,303 km (0.114 R)
• M50: 8,053,901 km (0.077 R)
• M51: 8,135,880 km (0.085 R)
• M52: 8,286,824 km (0.039 R)
• M53: 8,411,140 km (0.101 R)
• M54: 8,577,792 km (0.116 R)
• M55: 8,914,388 km (0.102 R)
• M56: 9,013,272 km (0.057 R)
• M57: 9,298,256 km (0.05 R)
• M58: 9,398,636 km (0.102 R)
• M59: 9,687,509 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.9

Radius: 12.2

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.32 AU - 2.16 AU

Year: 1459 Days

Day: 7.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 18,416,015 km

• M1: 157,227 km (0.041 R)
• M2: 251,175 km (0.095 R)
• M3: 355,594 km (0.086 R)
• M4: 556,654 km (0.104 R)
• M5: 635,791 km (0.074 R)
• M6: 719,715 km (0.063 R)
• M7: 826,079 km (0.101 R)
• M8: 972,087 km (0.041 R)
• M9: 1,259,016 km (0.11 R)
• M10: 1,346,082 km (0.061 R)
• M11: 1,429,707 km (0.085 R)
• M12: 1,638,097 km (0.053 R)
• M13: 1,739,973 km (0.102 R)
• M14: 1,875,209 km (0.081 R)
• M15: 2,308,894 km (0.054 R)
• M16: 2,660,299 km (0.075 R)
• M17: 2,831,588 km (0.089 R)
• M18: 3,170,278 km (0.086 R)
• M19: 3,329,301 km (0.079 R)
• M20: 3,600,372 km (0.095 R)
• M21: 3,967,784 km (0.096 R)
• M22: 4,364,069 km (0.118 R)
• M23: 4,550,019 km (0.111 R)
• M24: 4,859,986 km (0.109 R)
• M25: 5,052,818 km (0.109 R)
• M26: 5,337,951 km (0.113 R)
• M27: 5,491,588 km (0.082 R)
• M28: 5,794,075 km (0.039 R)
• M29: 5,980,025 km (0.102 R)
• M30: 6,367,633 km (0.11 R)
• M31: 6,492,248 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.2

Radius: 13.7

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.19 AU - 5.61 AU

Year: 6896 Days

Day: 8.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 18,416,015 km

• M1: 254,167 km (0.119 R)
• M2: 353,649 km (0.095 R)
• M3: 867,817 km (0.05 R)
• M4: 1,020,557 km (0.108 R)
• M5: 1,338,602 km (0.101 R)
• M6: 1,534,874 km (0.081 R)
• M7: 2,049,192 km (0.107 R)
• M8: 2,738,838 km (0.108 R)
• M9: 2,991,359 km (0.09 R)
• M10: 3,587,656 km (0.099 R)
• M11: 3,771,512 km (0.087 R)
• M12: 3,864,711 km (0.084 R)
• M13: 4,124,862 km (0.104 R)
• M14: 4,563,034 km (0.048 R)
• M15: 4,889,008 km (0.082 R)
• M16: 5,119,239 km (0.101 R)
• M17: 6,462,329 km (0.072 R)
• M18: 7,115,324 km (0.102 R)
• M19: 7,582,218 km (0.102 R)
• M20: 8,028,918 km (0.097 R)
• M21: 8,301,036 km (0.104 R)
• M22: 8,668,748 km (0.073 R)
• M23: 9,073,111 km (0.102 R)
• M24: 9,167,358 km (0.111 R)
• M25: 9,356,748 km (0.081 R)
• M26: 9,483,757 km (0.106 R)
• M27: 10,454,647 km (0.055 R)
• M28: 10,652,565 km (0.06 R)
• M29: 11,018,781 km (0.04 R)
• M30: 11,456,953 km (0.12 R)
• M31: 11,832,294 km (0.069 R)
• M32: 11,935,217 km (0.108 R)
• M33: 12,073,147 km (0.112 R)
• M34: 13,159,526 km (0.106 R)
• M35: 13,337,697 km (0.092 R)
• M36: 13,624,476 km (0.101 R)
• M37: 13,804,742 km (0.04 R)
• M38: 14,094,812 km (0.107 R)
• M39: 15,764,025 km (0.058 R)
• M40: 15,915,418 km (0.103 R)
• M41: 17,027,529 km (0.109 R)
• M42: 17,182,811 km (0.105 R)
• M43: 17,612,606 km (0.028 R)
• M44: 18,323,346 km (0.077 R)
• M45: 18,522,460 km (0.078 R)
• M46: 18,642,288 km (0.093 R)
• M47: 19,366,641 km (0.1 R)
• M48: 19,854,629 km (0.11 R)
• M49: 20,223,388 km (0.085 R)
• M50: 21,134,140 km (0.099 R)
• M51: 21,259,353 km (0.103 R)
• M52: 21,847,123 km (0.104 R)
• M53: 22,568,036 km (0.113 R)
• M54: 22,738,727 km (0.115 R)
• M55: 23,210,558 km (0.095 R)
• M56: 24,251,161 km (0.062 R)
• M57: 24,645,352 km (0.066 R)
• M58: 24,909,242 km (0.036 R)
• M59: 25,262,742 km (0.044 R)
• M60: 25,795,909 km (0.045 R)
• M61: 26,287,936 km (0.081 R)
• M62: 26,422,724 km (0.091 R)
• M63: 26,692,898 km (0.063 R)
• M64: 27,145,282 km (0.04 R)
• M65: 27,326,893 km (0.06 R)
• M66: 27,600,059 km (0.11 R)
• M67: 28,241,236 km (0.104 R)
• M68: 28,887,199 km (0.117 R)
• M69: 29,444,750 km (0.081 R)
• M70: 30,523,501 km (0.057 R)
• M71: 31,471,951 km (0.117 R)
• M72: 32,045,659 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 38.8

Radius: 5.2

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.76 AU - 7.8 AU

Year: 10006 Days

Day: 23.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 18,416,015 km

• M1: 141,669 km (0.082 R)
• M2: 288,574 km (0.094 R)
• M3: 1,130,810 km (0.12 R)
• M4: 1,396,646 km (0.113 R)
• M5: 1,524,851 km (0.062 R)
• M6: 1,718,431 km (0.056 R)
• M7: 1,945,371 km (0.099 R)
• M8: 2,115,314 km (0.09 R)
• M9: 2,249,354 km (0.09 R)
• M10: 2,413,911 km (0.119 R)
• M11: 3,371,038 km (0.08 R)
• M12: 3,670,833 km (0.071 R)
• M13: 3,799,636 km (0.03 R)
• M14: 3,880,868 km (0.112 R)
• M15: 4,045,126 km (0.074 R)
• M16: 4,534,162 km (0.066 R)
• M17: 5,041,897 km (0.105 R)
• M18: 5,239,217 km (0.111 R)
• M19: 5,293,371 km (0.106 R)
• M20: 5,329,723 km (0.048 R)
• M21: 5,977,781 km (0.076 R)
• M22: 6,455,747 km (0.118 R)
• M23: 7,488,869 km (0.105 R)
• M24: 7,693,370 km (0.112 R)
• M25: 7,837,582 km (0.072 R)
• M26: 8,191,680 km (0.106 R)
• M27: 8,786,182 km (0.108 R)
• M28: 9,548,832 km (0.1 R)
• M29: 9,592,963 km (0.118 R)
• M30: 10,309,687 km (0.105 R)
• M31: 10,812,336 km (0.089 R)
• M32: 10,858,412 km (0.085 R)
• M33: 11,113,177 km (0.09 R)
• M34: 11,346,400 km (0.103 R)
• M35: 12,175,472 km (0.117 R)
• M36: 13,492,382 km (0.066 R)
• M37: 13,691,347 km (0.102 R)
• M38: 14,117,252 km (0.051 R)
• M39: 14,522,064 km (0.083 R)
• M40: 14,725,966 km (0.1 R)
• M41: 15,007,808 km (0.11 R)
• M42: 15,472,908 km (0.111 R)
• M43: 15,759,388 km (0.076 R)
• M44: 16,205,788 km (0.05 R)
• M45: 16,523,234 km (0.118 R)
• M46: 16,709,484 km (0.1 R)
• M47: 18,031,929 km (0.117 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 158 - 14,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit