🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.46 AU - 0.74 AU

Year: 305 Days

Day: 31.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 59,674,091 km

• M1: 30,368 km (0.089 R)
• M2: 406,308 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.58 AU - 0.68 AU

Year: 328 Days

Day: 28.9 Hours

Environment

Temp: -125 °C

Axial Tilt: 46.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.4

Radius: 9.8

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.68 AU - 0.86 AU

Year: 443 Days

Day: 8.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,674,091 km

• M1: 130,150 km (0.084 R)
• M2: 240,853 km (0.105 R)
• M3: 311,912 km (0.066 R)
• M4: 403,615 km (0.077 R)
• M5: 476,619 km (0.102 R)
• M6: 540,348 km (0.081 R)
• M7: 617,690 km (0.051 R)
• M8: 779,255 km (0.102 R)
• M9: 847,921 km (0.112 R)
• M10: 946,207 km (0.068 R)
• M11: 1,026,391 km (0.091 R)
• M12: 1,089,820 km (0.101 R)
• M13: 1,240,914 km (0.06 R)
• M14: 1,378,096 km (0.101 R)
• M15: 1,455,737 km (0.07 R)
• M16: 1,619,397 km (0.106 R)
• M17: 1,789,340 km (0.086 R)
• M18: 1,894,059 km (0.084 R)
• M19: 2,017,028 km (0.111 R)
• M20: 2,097,811 km (0.092 R)
• M21: 2,159,146 km (0.061 R)
• M22: 2,225,119 km (0.102 R)
• M23: 2,363,646 km (0.086 R)
• M24: 2,622,750 km (0.086 R)
• M25: 2,715,650 km (0.085 R)
• M26: 2,873,027 km (0.101 R)
• M27: 2,955,156 km (0.109 R)
• M28: 3,103,109 km (0.083 R)
• M29: 3,206,331 km (0.099 R)
• M30: 3,291,602 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167

Radius: 10.5

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.79 AU - 0.85 AU

Year: 487 Days

Day: 7.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 59,674,091 km

• M1: 131,945 km (0.059 R)
• M2: 199,115 km (0.036 R)
• M3: 273,465 km (0.066 R)
• M4: 348,264 km (0.104 R)
• M5: 418,276 km (0.119 R)
• M6: 512,971 km (0.051 R)
• M7: 607,667 km (0.049 R)
• M8: 718,369 km (0.098 R)
• M9: 784,491 km (0.056 R)
• M10: 853,007 km (0.113 R)
• M11: 1,014,274 km (0.069 R)
• M12: 1,093,261 km (0.047 R)
• M13: 1,174,642 km (0.118 R)
• M14: 1,273,527 km (0.064 R)
• M15: 1,379,442 km (0.118 R)
• M16: 1,604,437 km (0.092 R)
• M17: 1,684,921 km (0.072 R)
• M18: 1,806,245 km (0.082 R)
• M19: 1,921,585 km (0.096 R)
• M20: 2,053,231 km (0.037 R)
• M21: 2,131,770 km (0.07 R)
• M22: 2,202,081 km (0.079 R)
• M23: 2,277,777 km (0.083 R)
• M24: 2,505,615 km (0.056 R)
• M25: 2,589,838 km (0.114 R)
• M26: 2,660,000 km (0.088 R)
• M27: 2,725,673 km (0.116 R)
• M28: 2,812,440 km (0.058 R)
• M29: 2,894,868 km (0.109 R)
• M30: 2,962,636 km (0.109 R)
• M31: 3,046,561 km (0.101 R)
• M32: 3,158,161 km (0.069 R)
• M33: 3,325,261 km (0.097 R)
• M34: 3,517,495 km (0.067 R)
• M35: 3,690,879 km (0.037 R)
• M36: 3,764,481 km (0.032 R)
• M37: 3,930,385 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.1

Radius: 9.6

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.65 AU - 1.07 AU

Year: 523 Days

Day: 8.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 59,674,091 km

• M1: 119,678 km (0.061 R)
• M2: 191,934 km (0.117 R)
• M3: 258,505 km (0.076 R)
• M4: 432,787 km (0.058 R)
• M5: 508,633 km (0.074 R)
• M6: 594,352 km (0.103 R)
• M7: 762,351 km (0.074 R)
• M8: 847,322 km (0.035 R)
• M9: 973,134 km (0.091 R)
• M10: 1,111,063 km (0.086 R)
• M11: 1,179,729 km (0.09 R)
• M12: 1,291,478 km (0.095 R)
• M13: 1,406,968 km (0.073 R)
• M14: 1,481,767 km (0.08 R)
• M15: 1,641,986 km (0.114 R)
• M16: 1,720,824 km (0.037 R)
• M17: 1,780,963 km (0.062 R)
• M18: 1,882,839 km (0.114 R)
• M19: 1,986,510 km (0.109 R)
• M20: 2,085,245 km (0.118 R)
• M21: 2,178,295 km (0.119 R)
• M22: 2,287,501 km (0.093 R)
• M23: 2,361,253 km (0.116 R)
• M24: 2,458,491 km (0.063 R)
• M25: 2,572,335 km (0.101 R)
• M26: 2,695,754 km (0.093 R)
• M27: 2,766,065 km (0.099 R)
• M28: 3,167,885 km (0.071 R)
• M29: 3,417,863 km (0.093 R)
• M30: 3,494,157 km (0.099 R)
• M31: 3,631,189 km (0.116 R)
• M32: 3,787,519 km (0.044 R)
• M33: 3,910,638 km (0.044 R)
• M34: 4,170,041 km (0.113 R)
• M35: 4,315,450 km (0.116 R)
• M36: 4,434,978 km (0.093 R)
• M37: 4,743,300 km (0.103 R)
• M38: 4,866,718 km (0.118 R)
• M39: 5,000,758 km (0.104 R)
• M40: 5,204,211 km (0.112 R)
• M41: 5,380,736 km (0.032 R)
• M42: 5,669,460 km (0.11 R)
• M43: 5,830,876 km (0.091 R)
• M44: 6,045,100 km (0.064 R)
• M45: 6,127,379 km (0.12 R)
• M46: 6,565,701 km (0.105 R)
• M47: 6,660,845 km (0.057 R)
• M48: 6,767,209 km (0.104 R)
• M49: 7,100,663 km (0.108 R)
• M50: 7,187,430 km (0.076 R)
• M51: 7,307,557 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.2

Radius: 9

Gravity: 12.26 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.88 AU - 0.88 AU

Year: 542 Days

Day: 12.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 59,674,091 km

• M1: 238,758 km (0.089 R)
• M2: 430,094 km (0.102 R)
• M3: 508,633 km (0.088 R)
• M4: 610,958 km (0.097 R)
• M5: 681,867 km (0.088 R)
• M6: 740,809 km (0.037 R)
• M7: 923,318 km (0.1 R)
• M8: 989,440 km (0.099 R)
• M9: 1,161,927 km (0.118 R)
• M10: 1,227,750 km (0.109 R)
• M11: 1,426,565 km (0.102 R)
• M12: 1,510,340 km (0.084 R)
• M13: 1,569,431 km (0.07 R)
• M14: 1,710,352 km (0.085 R)
• M15: 1,813,575 km (0.115 R)
• M16: 1,954,496 km (0.081 R)
• M17: 2,019,122 km (0.082 R)
• M18: 2,135,958 km (0.114 R)
• M19: 2,262,518 km (0.098 R)
• M20: 2,330,585 km (0.115 R)
• M21: 2,430,068 km (0.096 R)
• M22: 2,530,897 km (0.112 R)
• M23: 2,649,229 km (0.058 R)
• M24: 2,907,734 km (0.119 R)
• M25: 3,006,768 km (0.062 R)
• M26: 3,191,222 km (0.114 R)
• M27: 3,362,362 km (0.085 R)
• M28: 3,466,482 km (0.077 R)
• M29: 3,589,302 km (0.104 R)
• M30: 3,686,840 km (0.102 R)
• M31: 3,785,275 km (0.063 R)
• M32: 3,902,709 km (0.119 R)
• M33: 3,975,563 km (0.085 R)
• M34: 4,141,318 km (0.053 R)
• M35: 4,403,563 km (0.096 R)
• M36: 4,536,855 km (0.108 R)
• M37: 4,632,896 km (0.08 R)
• M38: 4,797,604 km (0.096 R)
• M39: 4,856,246 km (0.105 R)
• M40: 4,974,129 km (0.086 R)
• M41: 5,333,762 km (0.09 R)
• M42: 5,404,672 km (0.076 R)
• M43: 5,465,708 km (0.087 R)
• M44: 5,547,388 km (0.09 R)
• M45: 5,732,740 km (0.059 R)
• M46: 5,867,976 km (0.037 R)
• M47: 6,078,012 km (0.085 R)
• M48: 6,162,684 km (0.077 R)
• M49: 6,279,969 km (0.12 R)
• M50: 6,365,539 km (0.114 R)
• M51: 6,430,016 km (0.097 R)
• M52: 6,603,100 km (0.05 R)
• M53: 6,679,395 km (0.106 R)
• M54: 6,777,831 km (0.094 R)
• M55: 7,087,199 km (0.055 R)
• M56: 7,221,089 km (0.061 R)
• M57: 7,344,657 km (0.071 R)
• M58: 7,468,973 km (0.041 R)
• M59: 7,662,403 km (0.091 R)
• M60: 7,719,699 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.4

Radius: 13.6

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.4 AU - 2.24 AU

Year: 1611 Days

Day: 9 Hours

Environment

Temp: -185 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 59,674,091 km

• M1: 182,061 km (0.102 R)
• M2: 299,046 km (0.041 R)
• M3: 529,876 km (0.06 R)
• M4: 632,051 km (0.063 R)
• M5: 796,309 km (0.117 R)
• M6: 1,080,994 km (0.079 R)
• M7: 1,330,972 km (0.025 R)
• M8: 1,579,754 km (0.098 R)
• M9: 1,726,060 km (0.048 R)
• M10: 1,811,630 km (0.076 R)
• M11: 2,100,504 km (0.059 R)
• M12: 2,525,362 km (0.095 R)
• M13: 2,798,527 km (0.07 R)
• M14: 2,913,119 km (0.083 R)
• M15: 3,360,417 km (0.09 R)
• M16: 3,564,768 km (0.118 R)
• M17: 3,872,042 km (0.11 R)
• M18: 4,130,098 km (0.091 R)
• M19: 4,467,890 km (0.092 R)
• M20: 4,906,960 km (0.064 R)
• M21: 5,249,389 km (0.059 R)
• M22: 5,551,427 km (0.096 R)
• M23: 5,680,381 km (0.04 R)
• M24: 5,810,232 km (0.096 R)
• M25: 5,924,824 km (0.063 R)
• M26: 6,339,958 km (0.091 R)
• M27: 6,491,800 km (0.05 R)
• M28: 6,593,676 km (0.033 R)
• M29: 6,678,947 km (0.055 R)
• M30: 6,799,074 km (0.113 R)
• M31: 6,937,152 km (0.085 R)
• M32: 7,552,449 km (0.119 R)
• M33: 7,984,637 km (0.097 R)
• M34: 8,130,495 km (0.094 R)
• M35: 8,424,903 km (0.098 R)
• M36: 8,592,004 km (0.114 R)
• M37: 8,741,602 km (0.111 R)
• M38: 8,891,948 km (0.079 R)
• M39: 9,348,371 km (0.104 R)
• M40: 9,618,096 km (0.105 R)
• M41: 9,792,826 km (0.039 R)
• M42: 10,066,890 km (0.075 R)
• M43: 10,185,072 km (0.106 R)
• M44: 10,283,956 km (0.114 R)
• M45: 10,944,580 km (0.12 R)
• M46: 11,106,894 km (0.103 R)
• M47: 11,310,796 km (0.119 R)
• M48: 11,701,695 km (0.095 R)
• M49: 11,971,719 km (0.068 R)
• M50: 12,349,155 km (0.079 R)
• M51: 12,475,714 km (0.069 R)
• M52: 12,687,844 km (0.072 R)
• M53: 12,794,358 km (0.11 R)
• M54: 12,879,629 km (0.117 R)
• M55: 13,461,116 km (0.092 R)
• M56: 13,591,565 km (0.093 R)
• M57: 14,716,691 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.8

Radius: 5.9

Gravity: 25.07 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.45 AU - 8.67 AU

Year: 12306 Days

Day: 18.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 59,674,091 km

• M1: 75,248 km (0.118 R)
• M2: 241,900 km (0.093 R)
• M3: 337,792 km (0.07 R)
• M4: 623,524 km (0.031 R)
• M5: 863,180 km (0.093 R)
• M6: 949,348 km (0.092 R)
• M7: 1,346,830 km (0.092 R)
• M8: 1,576,462 km (0.098 R)
• M9: 3,029,656 km (0.09 R)
• M10: 3,501,338 km (0.096 R)
• M11: 3,995,610 km (0.08 R)
• M12: 4,177,521 km (0.087 R)
• M13: 4,287,924 km (0.085 R)
• M14: 5,686,514 km (0.112 R)
• M15: 5,727,205 km (0.106 R)
• M16: 6,056,619 km (0.076 R)
• M17: 6,906,485 km (0.098 R)
• M18: 7,389,836 km (0.113 R)
• M19: 7,434,266 km (0.096 R)
• M20: 7,478,846 km (0.066 R)
• M21: 7,838,480 km (0.088 R)
• M22: 8,112,094 km (0.05 R)
• M23: 9,285,091 km (0.072 R)
• M24: 9,720,271 km (0.069 R)
• M25: 10,063,299 km (0.07 R)
• M26: 10,261,068 km (0.101 R)
• M27: 10,460,182 km (0.094 R)
• M28: 11,629,738 km (0.034 R)
• M29: 11,993,710 km (0.058 R)
• M30: 12,203,446 km (0.099 R)
• M31: 12,308,763 km (0.115 R)
• M32: 12,947,097 km (0.084 R)
• M33: 13,814,915 km (0.043 R)
• M34: 14,200,428 km (0.115 R)
• M35: 14,366,632 km (0.111 R)
• M36: 14,757,232 km (0.061 R)
• M37: 15,491,757 km (0.091 R)
• M38: 15,605,900 km (0.056 R)
• M39: 16,354,189 km (0.098 R)
• M40: 17,113,996 km (0.058 R)
• M41: 17,231,880 km (0.092 R)
• M42: 17,587,324 km (0.03 R)
• M43: 18,425,970 km (0.049 R)
• M44: 18,789,493 km (0.077 R)
• M45: 19,094,074 km (0.037 R)
• M46: 19,155,259 km (0.107 R)
• M47: 19,461,785 km (0.108 R)
• M48: 19,893,824 km (0.043 R)
• M49: 20,704,495 km (0.077 R)
• M50: 20,956,119 km (0.094 R)
• M51: 21,335,349 km (0.032 R)
• M52: 21,462,208 km (0.077 R)
• M53: 21,525,787 km (0.093 R)
• M54: 22,680,683 km (0.113 R)
• M55: 22,940,085 km (0.118 R)
• M56: 23,005,011 km (0.092 R)
• M57: 23,723,978 km (0.098 R)
• M58: 25,183,904 km (0.113 R)
• M59: 25,452,432 km (0.103 R)
• M60: 26,672,702 km (0.096 R)
• M61: 28,398,912 km (0.038 R)
• M62: 30,374,651 km (0.103 R)
• M63: 31,162,882 km (0.094 R)
• M64: 31,668,074 km (0.104 R)
• M65: 32,394,372 km (0.115 R)
• M66: 33,052,602 km (0.057 R)
• M67: 34,680,526 km (0.065 R)
• M68: 35,428,965 km (0.051 R)
• M69: 35,880,600 km (0.056 R)
• M70: 36,031,694 km (0.08 R)
• M71: 37,783,037 km (0.058 R)
• M72: 39,796,026 km (0.098 R)
• M73: 41,368,000 km (0.087 R)
• M74: 41,605,561 km (0.115 R)
• M75: 42,161,617 km (0.108 R)
• M76: 42,640,180 km (0.05 R)
• M77: 42,880,135 km (0.111 R)
• M78: 43,844,593 km (0.116 R)
• M79: 45,549,260 km (0.114 R)
• M80: 45,630,941 km (0.089 R)
• M81: 46,286,479 km (0.115 R)
• M82: 47,027,587 km (0.096 R)
• M83: 47,275,620 km (0.109 R)
• M84: 48,855,822 km (0.11 R)
• M85: 49,946,989 km (0.105 R)
• M86: 50,031,213 km (0.059 R)
• M87: 50,791,768 km (0.117 R)
• M88: 51,641,335 km (0.099 R)
• M89: 52,752,847 km (0.066 R)
• M90: 52,838,566 km (0.025 R)
• M91: 54,131,541 km (0.113 R)
• M92: 54,218,008 km (0.104 R)
• M93: 54,738,459 km (0.038 R)
• M94: 56,309,387 km (0.105 R)
• M95: 57,541,325 km (0.109 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 16,504 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit