🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.48 AU - 0.56 AU

Year: 242 Days

Day: 14.3 Hours

Environment

Temp: -118 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.41 AU - 0.69 AU

Year: 263 Days

Day: 42.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.9

Radius: 14.4

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.7 AU - 0.72 AU

Year: 386 Days

Day: 12.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 38,073,856 km

• M1: 182,210 km (0.078 R)
• M2: 301,589 km (0.117 R)
• M3: 400,324 km (0.089 R)
• M4: 517,010 km (0.108 R)
• M5: 615,446 km (0.07 R)
• M6: 705,803 km (0.035 R)
• M7: 825,631 km (0.114 R)
• M8: 956,978 km (0.11 R)
• M9: 1,061,546 km (0.12 R)
• M10: 1,174,493 km (0.08 R)
• M11: 1,287,589 km (0.085 R)
• M12: 1,396,347 km (0.115 R)
• M13: 1,517,222 km (0.097 R)
• M14: 1,650,813 km (0.113 R)
• M15: 1,746,854 km (0.107 R)
• M16: 1,988,305 km (0.08 R)
• M17: 2,170,516 km (0.072 R)
• M18: 2,317,271 km (0.066 R)
• M19: 2,436,201 km (0.104 R)
• M20: 2,536,133 km (0.074 R)
• M21: 2,632,025 km (0.087 R)
• M22: 2,761,876 km (0.12 R)
• M23: 2,943,936 km (0.057 R)
• M24: 3,073,339 km (0.107 R)
• M25: 3,262,430 km (0.098 R)
• M26: 3,396,470 km (0.089 R)
• M27: 3,514,652 km (0.091 R)
• M28: 3,761,190 km (0.081 R)
• M29: 3,926,645 km (0.06 R)
• M30: 4,038,395 km (0.092 R)
• M31: 4,189,189 km (0.114 R)
• M32: 4,290,617 km (0.112 R)
• M33: 4,489,731 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.6

Radius: 13.9

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.99 AU - 1.11 AU

Year: 695 Days

Day: 10.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 38,073,856 km

• M1: 176,376 km (0.116 R)
• M2: 305,180 km (0.102 R)
• M3: 465,249 km (0.083 R)
• M4: 598,092 km (0.066 R)
• M5: 738,415 km (0.062 R)
• M6: 869,463 km (0.073 R)
• M7: 958,773 km (0.093 R)
• M8: 1,070,522 km (0.115 R)
• M9: 1,282,652 km (0.101 R)
• M10: 1,381,088 km (0.09 R)
• M11: 1,471,445 km (0.066 R)
• M12: 1,658,592 km (0.098 R)
• M13: 1,761,066 km (0.081 R)
• M14: 1,883,437 km (0.114 R)
• M15: 1,972,598 km (0.085 R)
• M16: 2,075,521 km (0.038 R)
• M17: 2,344,348 km (0.088 R)
• M18: 2,492,899 km (0.059 R)
• M19: 2,644,591 km (0.083 R)
• M20: 2,806,456 km (0.111 R)
• M21: 3,304,467 km (0.12 R)
• M22: 3,538,289 km (0.116 R)
• M23: 3,709,578 km (0.08 R)
• M24: 3,838,083 km (0.106 R)
• M25: 4,045,426 km (0.086 R)
• M26: 4,169,891 km (0.09 R)
• M27: 4,359,282 km (0.036 R)
• M28: 4,479,110 km (0.051 R)
• M29: 4,640,526 km (0.037 R)
• M30: 4,787,581 km (0.046 R)
• M31: 4,902,921 km (0.114 R)
• M32: 4,994,325 km (0.104 R)
• M33: 5,195,684 km (0.086 R)
• M34: 5,314,464 km (0.086 R)
• M35: 5,468,401 km (0.115 R)
• M36: 5,623,833 km (0.054 R)
• M37: 5,895,203 km (0.109 R)
• M38: 6,045,848 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826

Radius: 9

Gravity: 10.2 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.03 AU - 1.59 AU

Year: 968 Days

Day: 7.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 38,073,856 km

• M1: 116,836 km (0.103 R)
• M2: 227,389 km (0.072 R)
• M3: 343,776 km (0.046 R)
• M4: 404,064 km (0.115 R)
• M5: 521,648 km (0.101 R)
• M6: 628,311 km (0.085 R)
• M7: 693,536 km (0.116 R)
• M8: 767,736 km (0.056 R)
• M9: 931,696 km (0.115 R)
• M10: 993,479 km (0.113 R)
• M11: 1,278,463 km (0.055 R)
• M12: 1,474,586 km (0.076 R)
• M13: 1,663,828 km (0.109 R)
• M14: 1,757,177 km (0.096 R)
• M15: 2,065,947 km (0.056 R)
• M16: 2,175,901 km (0.052 R)
• M17: 2,268,951 km (0.115 R)
• M18: 2,420,793 km (0.105 R)
• M19: 3,019,633 km (0.097 R)
• M20: 3,113,431 km (0.083 R)
• M21: 3,197,505 km (0.04 R)
• M22: 3,325,261 km (0.066 R)
• M23: 3,574,791 km (0.079 R)
• M24: 3,852,893 km (0.052 R)
• M25: 3,954,769 km (0.099 R)
• M26: 4,207,590 km (0.084 R)
• M27: 4,265,783 km (0.078 R)
• M28: 4,371,250 km (0.098 R)
• M29: 4,741,056 km (0.116 R)
• M30: 4,838,145 km (0.042 R)
• M31: 4,935,982 km (0.091 R)
• M32: 5,333,762 km (0.059 R)
• M33: 5,447,457 km (0.062 R)
• M34: 5,729,000 km (0.089 R)
• M35: 5,858,402 km (0.104 R)
• M36: 5,962,822 km (0.118 R)
• M37: 6,028,345 km (0.089 R)
• M38: 6,094,019 km (0.116 R)
• M39: 6,266,206 km (0.1 R)
• M40: 6,574,677 km (0.107 R)
• M41: 6,737,589 km (0.038 R)
• M42: 7,067,452 km (0.099 R)
• M43: 7,473,012 km (0.076 R)
• M44: 7,900,712 km (0.077 R)
• M45: 7,987,180 km (0.083 R)
• M46: 8,102,969 km (0.115 R)
• M47: 8,307,020 km (0.111 R)
• M48: 8,380,323 km (0.108 R)
• M49: 8,631,049 km (0.096 R)
• M50: 8,914,238 km (0.084 R)
• M51: 9,064,584 km (0.089 R)
• M52: 9,124,872 km (0.119 R)
• M53: 9,306,783 km (0.08 R)
• M54: 10,140,043 km (0.087 R)
• M55: 10,344,244 km (0.096 R)
• M56: 10,581,506 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.8

Radius: 9.3

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.4 AU - 1.66 AU

Year: 1222 Days

Day: 10.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 38,073,856 km

• M1: 116,986 km (0.118 R)
• M2: 177,124 km (0.089 R)
• M3: 248,931 km (0.106 R)
• M4: 377,136 km (0.115 R)
• M5: 580,141 km (0.101 R)
• M6: 654,341 km (0.116 R)
• M7: 772,374 km (0.117 R)
• M8: 924,964 km (0.074 R)
• M9: 996,771 km (0.12 R)
• M10: 1,146,368 km (0.048 R)
• M11: 1,322,146 km (0.102 R)
• M12: 1,410,259 km (0.107 R)
• M13: 1,546,244 km (0.114 R)
• M14: 1,666,371 km (0.104 R)
• M15: 1,796,670 km (0.115 R)
• M16: 1,880,595 km (0.113 R)
• M17: 2,074,623 km (0.102 R)
• M18: 2,177,846 km (0.047 R)
• M19: 2,245,165 km (0.118 R)
• M20: 2,320,712 km (0.099 R)
• M21: 2,474,498 km (0.106 R)
• M22: 2,537,030 km (0.083 R)
• M23: 2,607,940 km (0.086 R)
• M24: 2,727,768 km (0.051 R)
• M25: 2,841,163 km (0.091 R)
• M26: 2,906,687 km (0.053 R)
• M27: 3,123,304 km (0.096 R)
• M28: 3,182,545 km (0.063 R)
• M29: 3,276,343 km (0.118 R)
• M30: 3,371,188 km (0.115 R)
• M31: 3,643,157 km (0.088 R)
• M32: 3,795,448 km (0.103 R)
• M33: 3,885,954 km (0.072 R)
• M34: 4,050,811 km (0.035 R)
• M35: 4,283,585 km (0.107 R)
• M36: 4,501,699 km (0.101 R)
• M37: 4,821,091 km (0.11 R)
• M38: 4,958,721 km (0.056 R)
• M39: 5,127,766 km (0.066 R)
• M40: 5,197,928 km (0.089 R)
• M41: 5,359,493 km (0.117 R)
• M42: 5,543,200 km (0.054 R)
• M43: 5,615,156 km (0.081 R)
• M44: 6,011,740 km (0.042 R)
• M45: 6,075,170 km (0.087 R)
• M46: 6,320,360 km (0.116 R)
• M47: 6,417,300 km (0.092 R)
• M48: 6,776,634 km (0.116 R)
• M49: 6,931,169 km (0.031 R)
• M50: 7,526,568 km (0.096 R)
• M51: 7,732,415 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274

Radius: 12.7

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.38 AU - 3.66 AU

Year: 4264 Days

Day: 7.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 38,073,856 km

• M1: 184,005 km (0.098 R)
• M2: 347,366 km (0.065 R)
• M3: 525,537 km (0.113 R)
• M4: 649,853 km (0.087 R)
• M5: 766,988 km (0.034 R)
• M6: 1,035,217 km (0.089 R)
• M7: 1,120,787 km (0.086 R)
• M8: 1,345,932 km (0.116 R)
• M9: 1,561,652 km (0.05 R)
• M10: 1,840,951 km (0.068 R)
• M11: 1,920,089 km (0.119 R)
• M12: 2,000,423 km (0.094 R)
• M13: 2,419,297 km (0.089 R)
• M14: 2,594,625 km (0.093 R)
• M15: 2,789,551 km (0.045 R)
• M16: 2,881,255 km (0.11 R)
• M17: 3,354,583 km (0.108 R)
• M18: 4,163,010 km (0.07 R)
• M19: 4,321,134 km (0.038 R)
• M20: 4,918,329 km (0.12 R)
• M21: 5,179,677 km (0.062 R)
• M22: 5,580,300 km (0.066 R)
• M23: 5,794,225 km (0.052 R)
• M24: 5,971,199 km (0.091 R)
• M25: 6,270,395 km (0.112 R)
• M26: 6,350,878 km (0.108 R)
• M27: 7,218,247 km (0.111 R)
• M28: 7,903,854 km (0.069 R)
• M29: 8,166,548 km (0.077 R)
• M30: 8,521,095 km (0.044 R)
• M31: 9,499,016 km (0.061 R)
• M32: 9,731,641 km (0.077 R)
• M33: 9,989,547 km (0.025 R)
• M34: 10,608,434 km (0.045 R)
• M35: 11,337,873 km (0.038 R)
• M36: 11,733,709 km (0.104 R)
• M37: 11,833,341 km (0.084 R)
• M38: 12,335,840 km (0.092 R)
• M39: 12,462,550 km (0.111 R)
• M40: 13,206,051 km (0.057 R)
• M41: 14,043,201 km (0.096 R)
• M42: 14,281,810 km (0.049 R)
• M43: 14,951,410 km (0.106 R)
• M44: 15,631,482 km (0.08 R)
• M45: 15,768,663 km (0.112 R)
• M46: 16,293,751 km (0.114 R)
• M47: 17,503,250 km (0.109 R)
• M48: 17,788,683 km (0.05 R)
• M49: 17,931,998 km (0.095 R)
• M50: 18,018,166 km (0.029 R)
• M51: 18,567,190 km (0.073 R)
• M52: 18,741,621 km (0.034 R)
• M53: 19,033,636 km (0.08 R)
• M54: 19,209,713 km (0.081 R)
• M55: 19,297,826 km (0.11 R)
• M56: 19,740,785 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.3

Radius: 12.8

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.3 AU - 4.48 AU

Year: 5939 Days

Day: 8.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 38,073,856 km

• M1: 309,069 km (0.1 R)
• M2: 396,883 km (0.093 R)
• M3: 485,595 km (0.106 R)
• M4: 688,749 km (0.09 R)
• M5: 1,504,805 km (0.1 R)
• M6: 1,735,335 km (0.098 R)
• M7: 2,339,860 km (0.091 R)
• M8: 2,863,752 km (0.115 R)
• M9: 3,102,959 km (0.084 R)
• M10: 3,373,881 km (0.078 R)
• M11: 4,125,012 km (0.09 R)
• M12: 4,205,645 km (0.077 R)
• M13: 4,478,511 km (0.109 R)
• M14: 4,589,214 km (0.102 R)
• M15: 5,185,661 km (0.119 R)
• M16: 5,272,876 km (0.086 R)
• M17: 5,390,011 km (0.034 R)
• M18: 5,686,664 km (0.064 R)
• M19: 6,451,558 km (0.118 R)
• M20: 6,990,260 km (0.105 R)
• M21: 7,119,213 km (0.116 R)
• M22: 7,576,534 km (0.101 R)
• M23: 7,775,499 km (0.056 R)
• M24: 7,909,239 km (0.097 R)
• M25: 8,280,541 km (0.12 R)
• M26: 8,485,640 km (0.115 R)
• M27: 8,726,941 km (0.102 R)
• M28: 8,900,774 km (0.11 R)
• M29: 9,429,004 km (0.112 R)
• M30: 9,535,967 km (0.116 R)
• M31: 10,368,778 km (0.106 R)
• M32: 10,590,033 km (0.087 R)
• M33: 11,112,130 km (0.105 R)
• M34: 11,414,168 km (0.114 R)
• M35: 11,719,048 km (0.115 R)
• M36: 12,414,828 km (0.086 R)
• M37: 12,846,717 km (0.074 R)
• M38: 13,604,281 km (0.081 R)
• M39: 13,887,021 km (0.079 R)
• M40: 14,049,484 km (0.063 R)
• M41: 15,371,929 km (0.081 R)
• M42: 16,005,327 km (0.1 R)
• M43: 16,389,644 km (0.031 R)
• M44: 16,820,037 km (0.106 R)
• M45: 16,906,654 km (0.073 R)
• M46: 16,993,421 km (0.118 R)
• M47: 17,210,786 km (0.062 R)
• M48: 17,385,367 km (0.04 R)
• M49: 17,824,437 km (0.119 R)
• M50: 18,001,112 km (0.028 R)
• M51: 19,073,130 km (0.114 R)
• M52: 20,257,945 km (0.097 R)
• M53: 20,998,904 km (0.095 R)
• M54: 22,889,821 km (0.108 R)
• M55: 23,274,586 km (0.077 R)
• M56: 24,490,518 km (0.089 R)
• M57: 24,884,110 km (0.049 R)
• M58: 25,827,025 km (0.081 R)
• M59: 26,428,558 km (0.115 R)
• M60: 26,630,067 km (0.075 R)
• M61: 26,731,045 km (0.112 R)
• M62: 27,237,883 km (0.087 R)
• M63: 27,492,498 km (0.118 R)
• M64: 27,594,524 km (0.093 R)
• M65: 27,747,862 km (0.071 R)
• M66: 28,570,351 km (0.087 R)
• M67: 28,829,006 km (0.097 R)
• M68: 28,932,677 km (0.098 R)
• M69: 29,244,439 km (0.101 R)
• M70: 30,291,923 km (0.118 R)
• M71: 30,661,430 km (0.101 R)
• M72: 32,047,005 km (0.098 R)
• M73: 32,154,417 km (0.101 R)
• M74: 32,693,268 km (0.104 R)
• M75: 33,018,045 km (0.061 R)
• M76: 33,289,565 km (0.088 R)
• M77: 34,382,976 km (0.064 R)
• M78: 35,155,350 km (0.07 R)
• M79: 36,548,705 km (0.103 R)
• M80: 37,619,825 km (0.08 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 12,857 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit