🌌 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: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.47 AU - 0.61 AU

Year: 256 Days

Day: 17.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 3.4 °

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: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.47 AU - 0.63 AU

Year: 263 Days

Day: 42.4 Hours

Environment

Temp: -112 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.2

Radius: 9.4

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.76 AU - 0.76 AU

Year: 428 Days

Day: 11.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 24,302,070 km

• M1: 117,285 km (0.098 R)
• M2: 192,383 km (0.085 R)
• M3: 307,723 km (0.079 R)
• M4: 381,026 km (0.034 R)
• M5: 459,265 km (0.073 R)
• M6: 576,550 km (0.093 R)
• M7: 650,302 km (0.087 R)
• M8: 721,062 km (0.094 R)
• M9: 808,427 km (0.118 R)
• M10: 867,668 km (0.116 R)
• M11: 968,646 km (0.111 R)
• M12: 1,100,741 km (0.111 R)
• M13: 1,183,020 km (0.049 R)
• M14: 1,283,699 km (0.099 R)
• M15: 1,412,653 km (0.066 R)
• M16: 1,476,681 km (0.114 R)
• M17: 1,568,085 km (0.079 R)
• M18: 1,643,482 km (0.083 R)
• M19: 1,701,975 km (0.052 R)
• M20: 1,802,654 km (0.099 R)
• M21: 1,952,701 km (0.116 R)
• M22: 2,039,019 km (0.077 R)
• M23: 2,175,901 km (0.076 R)
• M24: 2,240,378 km (0.097 R)
• M25: 2,356,316 km (0.107 R)
• M26: 2,657,457 km (0.077 R)
• M27: 2,758,734 km (0.054 R)
• M28: 2,828,896 km (0.09 R)
• M29: 2,987,469 km (0.12 R)
• M30: 3,065,111 km (0.115 R)
• M31: 3,149,035 km (0.084 R)
• M32: 3,256,446 km (0.062 R)
• M33: 3,399,761 km (0.036 R)
• M34: 3,515,849 km (0.118 R)
• M35: 3,603,813 km (0.068 R)
• M36: 3,692,524 km (0.091 R)
• M37: 3,758,048 km (0.088 R)
• M38: 3,848,106 km (0.113 R)
• M39: 3,975,264 km (0.089 R)
• M40: 4,085,518 km (0.114 R)
• M41: 4,246,485 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.6

Radius: 14.9

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.98 AU - 1.18 AU

Year: 725 Days

Day: 7.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 24,302,070 km

• M1: 202,855 km (0.081 R)
• M2: 339,438 km (0.067 R)
• M3: 472,580 km (0.067 R)
• M4: 592,557 km (0.093 R)
• M5: 715,527 km (0.076 R)
• M6: 927,656 km (0.097 R)
• M7: 1,131,259 km (0.109 R)
• M8: 1,245,402 km (0.107 R)
• M9: 1,431,502 km (0.05 R)
• M10: 1,556,267 km (0.045 R)
• M11: 1,743,414 km (0.062 R)
• M12: 1,869,973 km (0.046 R)
• M13: 2,085,544 km (0.053 R)
• M14: 2,180,539 km (0.1 R)
• M15: 2,375,165 km (0.109 R)
• M16: 2,524,913 km (0.113 R)
• M17: 2,695,305 km (0.035 R)
• M18: 3,011,704 km (0.086 R)
• M19: 3,110,888 km (0.12 R)
• M20: 3,275,595 km (0.074 R)
• M21: 3,377,770 km (0.114 R)
• M22: 3,518,841 km (0.027 R)
• M23: 3,777,645 km (0.095 R)
• M24: 3,934,125 km (0.11 R)
• M25: 4,052,906 km (0.056 R)
• M26: 4,233,470 km (0.1 R)
• M27: 4,447,545 km (0.057 R)
• M28: 4,633,794 km (0.084 R)
• M29: 4,791,171 km (0.085 R)
• M30: 4,950,194 km (0.112 R)
• M31: 5,241,161 km (0.074 R)
• M32: 5,427,261 km (0.105 R)
• M33: 5,615,605 km (0.106 R)
• M34: 5,738,574 km (0.07 R)
• M35: 5,987,356 km (0.096 R)
• M36: 6,402,340 km (0.086 R)
• M37: 6,566,150 km (0.114 R)
• M38: 6,814,781 km (0.056 R)
• M39: 6,922,193 km (0.038 R)
• M40: 7,042,320 km (0.115 R)
• M41: 7,138,810 km (0.065 R)
• M42: 7,248,017 km (0.097 R)
• M43: 7,382,206 km (0.077 R)
• M44: 7,591,344 km (0.074 R)
• M45: 7,977,755 km (0.093 R)
• M46: 8,230,426 km (0.095 R)
• M47: 8,460,059 km (0.115 R)
• M48: 8,614,444 km (0.047 R)
• M49: 8,730,831 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.1

Radius: 14.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.93 AU - 1.45 AU

Year: 838 Days

Day: 7.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 24,302,070 km

• M1: 178,919 km (0.117 R)
• M2: 340,335 km (0.109 R)
• M3: 472,879 km (0.094 R)
• M4: 572,361 km (0.12 R)
• M5: 717,771 km (0.074 R)
• M6: 1,017,116 km (0.094 R)
• M7: 1,124,527 km (0.077 R)
• M8: 1,368,073 km (0.094 R)
• M9: 1,466,209 km (0.102 R)
• M10: 1,595,312 km (0.059 R)
• M11: 1,781,561 km (0.09 R)
• M12: 1,889,720 km (0.087 R)
• M13: 2,000,124 km (0.077 R)
• M14: 2,344,797 km (0.097 R)
• M15: 2,457,444 km (0.097 R)
• M16: 2,626,340 km (0.086 R)
• M17: 2,954,708 km (0.083 R)
• M18: 3,476,206 km (0.064 R)
• M19: 3,814,147 km (0.067 R)
• M20: 3,916,023 km (0.077 R)
• M21: 4,098,682 km (0.112 R)
• M22: 4,423,011 km (0.096 R)
• M23: 4,613,449 km (0.091 R)
• M24: 4,730,733 km (0.078 R)
• M25: 4,976,672 km (0.039 R)
• M26: 5,192,243 km (0.114 R)
• M27: 5,384,626 km (0.092 R)
• M28: 5,543,648 km (0.119 R)
• M29: 5,776,273 km (0.102 R)
• M30: 5,875,756 km (0.106 R)
• M31: 6,003,063 km (0.115 R)
• M32: 6,094,617 km (0.096 R)
• M33: 6,195,895 km (0.111 R)
• M34: 6,381,396 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.4

Radius: 13.2

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.87 AU - 2.31 AU

Year: 1951 Days

Day: 12.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 24,302,070 km

• M1: 168,597 km (0.062 R)
• M2: 424,559 km (0.108 R)
• M3: 577,448 km (0.049 R)
• M4: 678,277 km (0.111 R)
• M5: 812,017 km (0.107 R)
• M6: 955,781 km (0.119 R)
• M7: 1,079,349 km (0.103 R)
• M8: 1,208,751 km (0.115 R)
• M9: 1,343,838 km (0.104 R)
• M10: 1,641,238 km (0.045 R)
• M11: 1,792,182 km (0.103 R)
• M12: 2,171,263 km (0.109 R)
• M13: 2,299,020 km (0.071 R)
• M14: 2,455,799 km (0.089 R)
• M15: 2,711,611 km (0.105 R)
• M16: 2,821,865 km (0.06 R)
• M17: 3,018,735 km (0.103 R)
• M18: 3,191,222 km (0.096 R)
• M19: 3,396,470 km (0.105 R)
• M20: 3,561,028 km (0.096 R)
• M21: 3,866,806 km (0.112 R)
• M22: 4,406,704 km (0.091 R)
• M23: 4,553,610 km (0.096 R)
• M24: 4,652,494 km (0.083 R)
• M25: 4,835,751 km (0.068 R)
• M26: 5,004,348 km (0.07 R)
• M27: 5,243,705 km (0.081 R)
• M28: 5,417,088 km (0.106 R)
• M29: 5,504,454 km (0.1 R)
• M30: 5,592,417 km (0.113 R)
• M31: 5,787,343 km (0.115 R)
• M32: 6,002,764 km (0.078 R)
• M33: 6,202,477 km (0.078 R)
• M34: 6,404,434 km (0.079 R)
• M35: 6,571,386 km (0.074 R)
• M36: 7,446,982 km (0.071 R)
• M37: 7,544,370 km (0.114 R)
• M38: 8,379,426 km (0.08 R)
• M39: 8,623,420 km (0.112 R)
• M40: 9,201,915 km (0.034 R)
• M41: 9,306,633 km (0.092 R)
• M42: 9,964,265 km (0.069 R)
• M43: 10,266,303 km (0.108 R)
• M44: 10,527,501 km (0.03 R)
• M45: 10,835,075 km (0.091 R)
• M46: 11,101,060 km (0.093 R)
• M47: 11,481,637 km (0.108 R)
• M48: 11,866,552 km (0.058 R)
• M49: 12,859,134 km (0.088 R)
• M50: 13,306,132 km (0.073 R)
• M51: 13,472,186 km (0.066 R)
• M52: 13,686,709 km (0.102 R)
• M53: 13,782,302 km (0.116 R)
• M54: 13,902,280 km (0.091 R)
• M55: 14,070,727 km (0.089 R)
• M56: 14,264,007 km (0.059 R)
• M57: 14,433,951 km (0.085 R)
• M58: 15,021,721 km (0.037 R)
• M59: 15,268,856 km (0.076 R)
• M60: 15,393,023 km (0.094 R)
• M61: 15,667,235 km (0.062 R)
• M62: 15,842,714 km (0.109 R)
• M63: 16,069,055 km (0.119 R)
• M64: 16,499,748 km (0.101 R)
• M65: 16,652,637 km (0.081 R)
• M66: 16,754,812 km (0.111 R)
• M67: 17,191,488 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.9

Radius: 14.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.09 AU - 3.93 AU

Year: 4246 Days

Day: 13 Hours

Environment

Temp: -216 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 24,302,070 km

• M1: 212,279 km (0.103 R)
• M2: 428,598 km (0.06 R)
• M3: 739,163 km (0.11 R)
• M4: 995,723 km (0.071 R)
• M5: 1,365,081 km (0.025 R)
• M6: 1,547,590 km (0.054 R)
• M7: 1,712,746 km (0.104 R)
• M8: 1,830,779 km (0.049 R)
• M9: 1,951,654 km (0.087 R)
• M10: 2,047,546 km (0.097 R)
• M11: 2,187,570 km (0.042 R)
• M12: 2,287,501 km (0.077 R)
• M13: 2,477,490 km (0.1 R)
• M14: 2,642,347 km (0.1 R)
• M15: 2,780,127 km (0.035 R)
• M16: 2,920,300 km (0.092 R)
• M17: 3,208,126 km (0.12 R)
• M18: 3,455,112 km (0.087 R)
• M19: 3,708,531 km (0.077 R)
• M20: 3,950,730 km (0.094 R)
• M21: 4,233,919 km (0.118 R)
• M22: 4,560,641 km (0.093 R)
• M23: 4,745,693 km (0.088 R)
• M24: 5,123,577 km (0.034 R)
• M25: 5,374,453 km (0.052 R)
• M26: 6,070,233 km (0.093 R)
• M27: 6,397,852 km (0.066 R)
• M28: 6,605,644 km (0.077 R)
• M29: 7,328,949 km (0.112 R)
• M30: 8,010,368 km (0.083 R)
• M31: 8,144,557 km (0.09 R)
• M32: 8,347,412 km (0.109 R)
• M33: 8,896,585 km (0.109 R)
• M34: 9,175,585 km (0.087 R)
• M35: 9,386,668 km (0.096 R)
• M36: 9,718,476 km (0.105 R)
• M37: 9,909,662 km (0.086 R)
• M38: 10,393,462 km (0.108 R)
• M39: 11,009,057 km (0.112 R)
• M40: 11,158,505 km (0.079 R)
• M41: 11,384,099 km (0.095 R)
• M42: 12,044,274 km (0.07 R)
• M43: 12,249,971 km (0.066 R)
• M44: 12,690,836 km (0.117 R)
• M45: 12,821,435 km (0.088 R)
• M46: 13,057,800 km (0.109 R)
• M47: 13,216,224 km (0.078 R)
• M48: 13,348,618 km (0.088 R)
• M49: 13,695,236 km (0.118 R)
• M50: 14,071,625 km (0.117 R)
• M51: 14,397,149 km (0.086 R)
• M52: 14,560,810 km (0.115 R)
• M53: 14,752,594 km (0.041 R)
• M54: 15,027,854 km (0.106 R)
• M55: 15,667,684 km (0.061 R)
• M56: 16,174,671 km (0.05 R)
• M57: 16,859,082 km (0.06 R)
• M58: 17,002,845 km (0.085 R)
• M59: 17,698,774 km (0.071 R)
• M60: 18,226,705 km (0.107 R)
• M61: 18,789,792 km (0.116 R)
• M62: 19,028,550 km (0.052 R)
• M63: 19,208,217 km (0.108 R)
• M64: 19,509,058 km (0.089 R)
• M65: 19,750,958 km (0.106 R)
• M66: 20,115,528 km (0.031 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.7

Radius: 11.2

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.31 AU - 5.39 AU

Year: 6896 Days

Day: 14.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 24,302,070 km

• M1: 163,510 km (0.07 R)
• M2: 577,298 km (0.067 R)
• M3: 759,359 km (0.099 R)
• M4: 1,405,023 km (0.101 R)
• M5: 1,542,952 km (0.092 R)
• M6: 2,252,046 km (0.112 R)
• M7: 2,769,805 km (0.083 R)
• M8: 3,141,555 km (0.11 R)
• M9: 3,287,413 km (0.093 R)
• M10: 3,567,012 km (0.031 R)
• M11: 3,719,302 km (0.111 R)
• M12: 3,991,122 km (0.106 R)
• M13: 4,472,228 km (0.084 R)
• M14: 5,057,006 km (0.119 R)
• M15: 5,467,503 km (0.07 R)
• M16: 5,821,751 km (0.115 R)
• M17: 6,436,299 km (0.117 R)
• M18: 6,552,387 km (0.049 R)
• M19: 6,976,198 km (0.069 R)
• M20: 7,360,514 km (0.107 R)
• M21: 7,481,988 km (0.099 R)
• M22: 9,121,431 km (0.037 R)
• M23: 9,515,173 km (0.038 R)
• M24: 9,754,080 km (0.105 R)
• M25: 9,995,083 km (0.076 R)
• M26: 10,757,134 km (0.039 R)
• M27: 11,033,890 km (0.085 R)
• M28: 11,201,141 km (0.093 R)
• M29: 11,425,388 km (0.071 R)
• M30: 11,736,103 km (0.067 R)
• M31: 13,568,976 km (0.077 R)
• M32: 13,748,194 km (0.06 R)
• M33: 14,078,805 km (0.075 R)
• M34: 14,169,462 km (0.119 R)
• M35: 14,442,328 km (0.103 R)
• M36: 14,594,768 km (0.113 R)
• M37: 15,458,397 km (0.043 R)
• M38: 15,990,666 km (0.071 R)
• M39: 16,116,777 km (0.102 R)
• M40: 17,137,782 km (0.109 R)
• M41: 17,266,885 km (0.063 R)
• M42: 18,476,384 km (0.073 R)
• M43: 18,808,043 km (0.063 R)
• M44: 18,907,824 km (0.101 R)
• M45: 19,780,728 km (0.1 R)
• M46: 20,120,016 km (0.081 R)
• M47: 20,256,150 km (0.084 R)
• M48: 20,461,099 km (0.118 R)
• M49: 21,045,578 km (0.039 R)
• M50: 22,055,064 km (0.076 R)
• M51: 22,125,226 km (0.104 R)
• M52: 23,401,595 km (0.057 R)
• M53: 23,544,910 km (0.089 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 16,079 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit