🌌 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: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.41 AU - 0.67 AU

Year: 252 Days

Day: 29.3 Hours

Environment

Temp: -126 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 34,544,534 km

• M1: 264,489 km (0.072 R)
• M2: 368,310 km (0.039 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.54 AU - 0.6 AU

Year: 274 Days

Day: 34.6 Hours

Environment

Temp: -128 °C

Axial Tilt: 23.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 34,544,534 km

• M1: 43,533 km (0.099 R)
• M2: 261,198 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654

Radius: 12.9

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.84 AU - 0.84 AU

Year: 489 Days

Day: 7 Hours

Environment

Temp: -151 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 34,544,534 km

• M1: 160,668 km (0.118 R)
• M2: 286,929 km (0.118 R)
• M3: 400,473 km (0.111 R)
• M4: 503,846 km (0.118 R)
• M5: 658,231 km (0.12 R)
• M6: 748,588 km (0.097 R)
• M7: 848,220 km (0.111 R)
• M8: 929,900 km (0.097 R)
• M9: 1,048,083 km (0.1 R)
• M10: 1,156,691 km (0.116 R)
• M11: 1,243,458 km (0.082 R)
• M12: 1,402,330 km (0.087 R)
• M13: 1,694,345 km (0.117 R)
• M14: 1,776,325 km (0.086 R)
• M15: 1,932,505 km (0.085 R)
• M16: 2,055,774 km (0.079 R)
• M17: 2,169,169 km (0.105 R)
• M18: 2,265,211 km (0.08 R)
• M19: 2,428,721 km (0.113 R)
• M20: 2,522,071 km (0.085 R)
• M21: 2,603,003 km (0.113 R)
• M22: 2,684,833 km (0.097 R)
• M23: 2,767,561 km (0.092 R)
• M24: 2,942,889 km (0.078 R)
• M25: 3,275,146 km (0.094 R)
• M26: 3,408,438 km (0.095 R)
• M27: 3,490,866 km (0.067 R)
• M28: 3,650,188 km (0.114 R)
• M29: 3,835,091 km (0.06 R)
• M30: 3,991,720 km (0.096 R)
• M31: 4,134,586 km (0.112 R)
• M32: 4,238,706 km (0.084 R)
• M33: 4,343,724 km (0.119 R)
• M34: 4,433,333 km (0.107 R)
• M35: 4,722,655 km (0.111 R)
• M36: 4,958,721 km (0.05 R)
• M37: 5,250,436 km (0.057 R)
• M38: 5,583,292 km (0.102 R)
• M39: 5,716,583 km (0.093 R)
• M40: 5,815,019 km (0.117 R)
• M41: 6,004,559 km (0.041 R)
• M42: 6,095,515 km (0.114 R)
• M43: 6,232,995 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.4

Radius: 10

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.78 AU - 0.94 AU

Year: 507 Days

Day: 5.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 34,544,534 km

• M1: 125,363 km (0.09 R)
• M2: 190,887 km (0.045 R)
• M3: 264,938 km (0.094 R)
• M4: 368,011 km (0.046 R)
• M5: 533,316 km (0.103 R)
• M6: 619,934 km (0.102 R)
• M7: 724,802 km (0.039 R)
• M8: 818,001 km (0.068 R)
• M9: 896,690 km (0.112 R)
• M10: 987,944 km (0.034 R)
• M11: 1,259,464 km (0.115 R)
• M12: 1,340,696 km (0.096 R)
• M13: 1,457,532 km (0.106 R)
• M14: 1,654,253 km (0.117 R)
• M15: 1,719,777 km (0.046 R)
• M16: 1,847,384 km (0.04 R)
• M17: 2,003,415 km (0.075 R)
• M18: 2,170,516 km (0.087 R)
• M19: 2,375,764 km (0.111 R)
• M20: 2,456,995 km (0.115 R)
• M21: 2,539,125 km (0.099 R)
• M22: 2,657,157 km (0.086 R)
• M23: 2,720,437 km (0.102 R)
• M24: 2,798,378 km (0.099 R)
• M25: 3,044,167 km (0.078 R)
• M26: 3,132,729 km (0.04 R)
• M27: 3,207,079 km (0.097 R)
• M28: 3,334,985 km (0.109 R)
• M29: 3,697,311 km (0.116 R)
• M30: 3,776,149 km (0.112 R)
• M31: 3,903,308 km (0.113 R)
• M32: 3,967,485 km (0.093 R)
• M33: 4,121,272 km (0.112 R)
• M34: 4,268,775 km (0.096 R)
• M35: 4,459,812 km (0.096 R)
• M36: 4,560,641 km (0.097 R)
• M37: 4,662,218 km (0.094 R)
• M38: 4,824,681 km (0.046 R)
• M39: 5,049,975 km (0.117 R)
• M40: 5,172,646 km (0.087 R)
• M41: 5,269,884 km (0.119 R)
• M42: 5,385,523 km (0.101 R)
• M43: 5,628,321 km (0.101 R)
• M44: 5,719,276 km (0.07 R)
• M45: 5,847,332 km (0.103 R)
• M46: 6,106,286 km (0.086 R)
• M47: 6,303,007 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.9

Radius: 8.5

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.82 AU - 0.92 AU

Year: 516 Days

Day: 8.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 34,544,534 km

• M1: 115,639 km (0.095 R)
• M2: 173,833 km (0.12 R)
• M3: 257,608 km (0.08 R)
• M4: 355,744 km (0.028 R)
• M5: 450,439 km (0.106 R)
• M6: 535,261 km (0.105 R)
• M7: 608,863 km (0.061 R)
• M8: 744,698 km (0.11 R)
• M9: 847,622 km (0.099 R)
• M10: 907,012 km (0.115 R)
• M11: 1,072,467 km (0.085 R)
• M12: 1,137,093 km (0.119 R)
• M13: 1,243,458 km (0.099 R)
• M14: 1,307,037 km (0.04 R)
• M15: 1,390,512 km (0.087 R)
• M16: 1,461,571 km (0.102 R)
• M17: 1,577,659 km (0.071 R)
• M18: 1,661,883 km (0.105 R)
• M19: 1,819,409 km (0.12 R)
• M20: 1,881,642 km (0.071 R)
• M21: 2,035,279 km (0.079 R)
• M22: 2,094,669 km (0.112 R)
• M23: 2,231,851 km (0.104 R)
• M24: 2,287,501 km (0.093 R)
• M25: 2,366,339 km (0.1 R)
• M26: 2,696,502 km (0.069 R)
• M27: 2,827,998 km (0.092 R)
• M28: 2,973,706 km (0.115 R)
• M29: 3,053,741 km (0.062 R)
• M30: 3,147,090 km (0.046 R)
• M31: 3,241,187 km (0.112 R)
• M32: 3,336,481 km (0.082 R)
• M33: 3,413,225 km (0.084 R)
• M34: 3,484,134 km (0.118 R)
• M35: 3,542,627 km (0.058 R)
• M36: 3,601,419 km (0.11 R)
• M37: 3,759,694 km (0.114 R)
• M38: 3,873,089 km (0.119 R)
• M39: 3,974,217 km (0.059 R)
• M40: 4,042,134 km (0.12 R)
• M41: 4,450,836 km (0.092 R)
• M42: 4,535,508 km (0.054 R)
• M43: 4,649,352 km (0.104 R)
• M44: 4,706,648 km (0.105 R)
• M45: 4,829,169 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.7

Radius: 10.7

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.07 AU - 1.44 AU

Year: 889 Days

Day: 11.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 34,544,534 km

• M1: 135,236 km (0.109 R)
• M2: 248,033 km (0.097 R)
• M3: 349,909 km (0.101 R)
• M4: 445,502 km (0.071 R)
• M5: 556,803 km (0.095 R)
• M6: 658,530 km (0.066 R)
• M7: 740,958 km (0.119 R)
• M8: 838,197 km (0.099 R)
• M9: 928,704 km (0.119 R)
• M10: 1,004,849 km (0.092 R)
• M11: 1,113,906 km (0.098 R)
• M12: 1,189,004 km (0.057 R)
• M13: 1,466,059 km (0.059 R)
• M14: 1,771,089 km (0.046 R)
• M15: 1,904,830 km (0.065 R)
• M16: 2,065,199 km (0.033 R)
• M17: 2,342,703 km (0.109 R)
• M18: 2,523,417 km (0.105 R)
• M19: 2,657,756 km (0.062 R)
• M20: 2,803,015 km (0.114 R)
• M21: 2,881,105 km (0.113 R)
• M22: 3,004,075 km (0.119 R)
• M23: 3,075,134 km (0.088 R)
• M24: 3,191,671 km (0.09 R)
• M25: 3,420,256 km (0.089 R)
• M26: 3,550,705 km (0.098 R)
• M27: 3,635,378 km (0.046 R)
• M28: 3,720,649 km (0.104 R)
• M29: 4,078,786 km (0.085 R)
• M30: 4,187,544 km (0.074 R)
• M31: 4,307,072 km (0.073 R)
• M32: 4,407,752 km (0.1 R)
• M33: 4,549,870 km (0.111 R)
• M34: 4,672,839 km (0.118 R)
• M35: 4,817,949 km (0.065 R)
• M36: 4,964,405 km (0.074 R)
• M37: 5,304,890 km (0.069 R)
• M38: 5,477,975 km (0.112 R)
• M39: 5,554,270 km (0.086 R)
• M40: 5,631,013 km (0.092 R)
• M41: 5,796,469 km (0.095 R)
• M42: 5,885,479 km (0.111 R)
• M43: 6,019,818 km (0.1 R)
• M44: 6,337,115 km (0.1 R)
• M45: 6,544,009 km (0.103 R)
• M46: 6,648,279 km (0.062 R)
• M47: 6,799,971 km (0.033 R)
• M48: 7,059,224 km (0.055 R)
• M49: 7,178,155 km (0.085 R)
• M50: 7,297,833 km (0.037 R)
• M51: 7,709,377 km (0.098 R)
• M52: 7,868,848 km (0.107 R)
• M53: 8,178,516 km (0.066 R)
• M54: 8,291,013 km (0.114 R)
• M55: 8,492,222 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.7

Radius: 14.8

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.58 AU - 1.68 AU

Year: 1323 Days

Day: 12 Hours

Environment

Temp: -180 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 34,544,534 km

• M1: 207,791 km (0.118 R)
• M2: 333,304 km (0.078 R)
• M3: 462,856 km (0.025 R)
• M4: 939,325 km (0.1 R)
• M5: 1,089,671 km (0.118 R)
• M6: 1,190,051 km (0.116 R)
• M7: 1,308,832 km (0.108 R)
• M8: 1,511,238 km (0.109 R)
• M9: 1,749,697 km (0.073 R)
• M10: 1,852,171 km (0.118 R)
• M11: 2,000,872 km (0.105 R)
• M12: 2,108,432 km (0.108 R)
• M13: 2,227,363 km (0.11 R)
• M14: 2,367,386 km (0.068 R)
• M15: 2,500,828 km (0.092 R)
• M16: 2,775,489 km (0.068 R)
• M17: 2,988,217 km (0.066 R)
• M18: 3,112,234 km (0.065 R)
• M19: 3,237,896 km (0.081 R)
• M20: 3,344,111 km (0.112 R)
• M21: 3,451,522 km (0.076 R)
• M22: 3,769,418 km (0.096 R)
• M23: 3,892,686 km (0.111 R)
• M24: 4,108,706 km (0.077 R)
• M25: 4,648,155 km (0.088 R)
• M26: 4,865,521 km (0.044 R)
• M27: 4,975,476 km (0.11 R)
• M28: 5,820,255 km (0.026 R)
• M29: 6,107,483 km (0.063 R)
• M30: 6,213,099 km (0.071 R)
• M31: 6,319,313 km (0.091 R)
• M32: 6,412,812 km (0.112 R)
• M33: 6,655,310 km (0.052 R)
• M34: 7,011,054 km (0.06 R)
• M35: 7,316,832 km (0.062 R)
• M36: 7,499,640 km (0.081 R)
• M37: 7,783,876 km (0.119 R)
• M38: 8,042,830 km (0.094 R)
• M39: 8,231,623 km (0.104 R)
• M40: 8,333,948 km (0.065 R)
• M41: 8,836,746 km (0.093 R)
• M42: 9,016,563 km (0.044 R)
• M43: 9,212,835 km (0.1 R)
• M44: 9,594,160 km (0.029 R)
• M45: 9,934,047 km (0.055 R)
• M46: 10,105,486 km (0.11 R)
• M47: 10,230,849 km (0.109 R)
• M48: 10,419,791 km (0.09 R)
• M49: 10,562,208 km (0.073 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.1

Radius: 12.3

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.27 AU - 6.63 AU

Year: 9228 Days

Day: 12.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 34,544,534 km

• M1: 168,896 km (0.077 R)
• M2: 331,658 km (0.084 R)
• M3: 448,943 km (0.071 R)
• M4: 572,661 km (0.025 R)
• M5: 709,842 km (0.098 R)
• M6: 916,586 km (0.12 R)
• M7: 1,240,466 km (0.027 R)
• M8: 1,390,662 km (0.093 R)
• M9: 1,600,548 km (0.062 R)
• M10: 1,764,956 km (0.108 R)
• M11: 2,111,125 km (0.113 R)
• M12: 2,251,598 km (0.11 R)
• M13: 2,692,313 km (0.078 R)
• M14: 2,911,773 km (0.116 R)
• M15: 3,438,956 km (0.061 R)
• M16: 3,605,458 km (0.111 R)
• M17: 4,503,644 km (0.063 R)
• M18: 4,607,614 km (0.071 R)
• M19: 5,139,734 km (0.1 R)
• M20: 6,525,010 km (0.05 R)
• M21: 6,851,134 km (0.045 R)
• M22: 8,113,889 km (0.095 R)
• M23: 8,304,776 km (0.066 R)
• M24: 8,820,739 km (0.08 R)
• M25: 9,017,012 km (0.111 R)
• M26: 9,281,052 km (0.084 R)
• M27: 9,648,165 km (0.074 R)
• M28: 10,987,814 km (0.104 R)
• M29: 11,697,357 km (0.094 R)
• M30: 11,805,067 km (0.066 R)
• M31: 12,863,472 km (0.09 R)
• M32: 13,123,473 km (0.087 R)
• M33: 13,838,102 km (0.105 R)
• M34: 14,991,951 km (0.085 R)
• M35: 15,344,254 km (0.12 R)
• M36: 15,620,112 km (0.114 R)
• M37: 16,176,766 km (0.109 R)
• M38: 16,296,893 km (0.027 R)
• M39: 16,578,286 km (0.092 R)
• M40: 16,942,557 km (0.049 R)
• M41: 17,309,371 km (0.115 R)
• M42: 17,514,470 km (0.118 R)
• M43: 17,761,456 km (0.08 R)
• M44: 18,467,708 km (0.063 R)
• M45: 19,608,242 km (0.119 R)
• M46: 21,251,724 km (0.047 R)
• M47: 21,824,235 km (0.083 R)
• M48: 22,714,641 km (0.058 R)
• M49: 22,849,280 km (0.07 R)
• M50: 22,939,188 km (0.087 R)
• M51: 24,439,355 km (0.119 R)
• M52: 25,550,120 km (0.12 R)
• M53: 27,009,297 km (0.102 R)
• M54: 27,581,359 km (0.104 R)
• M55: 28,205,631 km (0.106 R)
• M56: 30,057,055 km (0.057 R)
• M57: 30,254,225 km (0.071 R)
• M58: 30,501,211 km (0.037 R)
• M59: 30,600,244 km (0.082 R)
• M60: 30,947,611 km (0.106 R)
• M61: 31,646,382 km (0.1 R)
• M62: 32,451,219 km (0.089 R)
• M63: 33,620,177 km (0.092 R)
• M64: 33,824,827 km (0.111 R)
• M65: 34,235,473 km (0.109 R)
• M66: 34,492,931 km (0.113 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 14,855 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit