🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492

Radius: 12.9

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.67 AU - 0.71 AU

Year: 389 Days

Day: 10.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,276,508 km

• M1: 168,447 km (0.067 R)
• M2: 618,288 km (0.109 R)
• M3: 1,075,908 km (0.103 R)
• M4: 1,499,569 km (0.109 R)
• M5: 2,068,191 km (0.084 R)
• M6: 2,721,335 km (0.057 R)
• M7: 3,634,630 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.1

Radius: 13.7

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.97 AU - 1.09 AU

Year: 709 Days

Day: 11 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,276,508 km

• M1: 170,841 km (0.11 R)
• M2: 625,469 km (0.111 R)
• M3: 1,357,750 km (0.101 R)
• M4: 1,923,081 km (0.085 R)
• M5: 2,415,557 km (0.092 R)
• M6: 3,111,486 km (0.095 R)
• M7: 3,770,016 km (0.068 R)
• M8: 4,442,458 km (0.11 R)
• M9: 5,193,888 km (0.089 R)
• M10: 6,143,835 km (0.033 R)
• M11: 6,722,031 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.1

Radius: 12.1

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.22 AU - 1.28 AU

Year: 948 Days

Day: 12.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,276,508 km

• M1: 150,495 km (0.118 R)
• M2: 573,109 km (0.095 R)
• M3: 957,726 km (0.115 R)
• M4: 1,801,757 km (0.105 R)
• M5: 2,225,568 km (0.103 R)
• M6: 2,704,430 km (0.027 R)
• M7: 3,238,345 km (0.073 R)
• M8: 3,632,685 km (0.099 R)
• M9: 4,674,485 km (0.035 R)
• M10: 5,124,774 km (0.083 R)
• M11: 5,663,476 km (0.076 R)
• M12: 6,877,463 km (0.056 R)
• M13: 7,342,413 km (0.079 R)
• M14: 7,852,991 km (0.1 R)
• M15: 8,257,802 km (0.112 R)
• M16: 9,614,057 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.6

Radius: 14.6

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2 AU - 2.56 AU

Year: 2335 Days

Day: 9.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,276,508 km

• M1: 182,061 km (0.118 R)
• M2: 727,195 km (0.054 R)
• M3: 1,193,492 km (0.098 R)
• M4: 1,716,037 km (0.094 R)
• M5: 2,470,310 km (0.03 R)
• M6: 3,504,330 km (0.097 R)
• M7: 4,177,670 km (0.1 R)
• M8: 5,107,421 km (0.064 R)
• M9: 5,599,000 km (0.086 R)
• M10: 7,689,031 km (0.091 R)
• M11: 8,458,862 km (0.097 R)
• M12: 10,049,686 km (0.053 R)
• M13: 10,681,587 km (0.037 R)
• M14: 12,697,718 km (0.069 R)
• M15: 14,688,417 km (0.111 R)
• M16: 15,411,273 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.1

Radius: 11.1

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.91 AU - 2.69 AU

Year: 2366 Days

Day: 9.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,276,508 km

• M1: 138,079 km (0.059 R)
• M2: 545,733 km (0.086 R)
• M3: 972,237 km (0.085 R)
• M4: 1,514,080 km (0.095 R)
• M5: 1,942,528 km (0.086 R)
• M6: 2,664,936 km (0.063 R)
• M7: 3,146,342 km (0.08 R)
• M8: 4,408,350 km (0.112 R)
• M9: 5,854,513 km (0.072 R)
• M10: 7,152,573 km (0.1 R)
• M11: 9,238,566 km (0.059 R)
• M12: 9,692,895 km (0.116 R)
• M13: 10,162,034 km (0.098 R)
• M14: 12,068,659 km (0.1 R)
• M15: 14,202,672 km (0.076 R)
• M16: 14,998,683 km (0.078 R)
• M17: 15,383,299 km (0.074 R)
• M18: 16,424,799 km (0.076 R)
• M19: 17,092,604 km (0.068 R)
• M20: 17,512,525 km (0.099 R)
• M21: 18,209,502 km (0.034 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.4

Radius: 12

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.08 AU - 4.08 AU

Year: 5590 Days

Day: 12.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,276,508 km

• M1: 149,299 km (0.037 R)
• M2: 542,143 km (0.087 R)
• M3: 1,153,998 km (0.085 R)
• M4: 1,567,935 km (0.112 R)
• M5: 1,996,234 km (0.119 R)
• M6: 3,192,718 km (0.097 R)
• M7: 3,604,411 km (0.097 R)
• M8: 4,169,143 km (0.081 R)
• M9: 4,897,685 km (0.101 R)
• M10: 5,709,253 km (0.062 R)
• M11: 6,575,874 km (0.118 R)
• M12: 7,143,598 km (0.054 R)
• M13: 7,707,581 km (0.1 R)
• M14: 9,045,286 km (0.061 R)
• M15: 10,577,018 km (0.084 R)
• M16: 12,077,934 km (0.079 R)
• M17: 12,675,876 km (0.101 R)
• M18: 13,241,356 km (0.089 R)
• M19: 15,907,938 km (0.054 R)
• M20: 17,873,056 km (0.063 R)
• M21: 21,188,444 km (0.055 R)
• M22: 22,058,954 km (0.113 R)
• M23: 23,793,841 km (0.076 R)
• M24: 24,654,926 km (0.109 R)
• M25: 25,374,791 km (0.083 R)
• M26: 26,108,718 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897.8

Radius: 5.9

Gravity: 25.79 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 8.04 AU - 8.9 AU

Year: 16719 Days

Day: 20.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 74,276,508 km

• M1: 73,453 km (0.03 R)
• M2: 280,346 km (0.114 R)
• M3: 620,682 km (0.116 R)
• M4: 807,081 km (0.082 R)
• M5: 1,031,477 km (0.041 R)
• M6: 1,370,765 km (0.054 R)
• M7: 1,558,959 km (0.072 R)
• M8: 1,949,260 km (0.08 R)
• M9: 2,799,275 km (0.09 R)
• M10: 3,265,572 km (0.111 R)
• M11: 3,575,240 km (0.077 R)
• M12: 4,092,100 km (0.067 R)
• M13: 4,486,141 km (0.105 R)
• M14: 5,387,767 km (0.12 R)
• M15: 7,786,719 km (0.104 R)
• M16: 8,288,470 km (0.048 R)
• M17: 10,098,006 km (0.113 R)
• M18: 11,762,133 km (0.056 R)
• M19: 13,176,730 km (0.081 R)
• M20: 18,444,221 km (0.037 R)
• M21: 20,533,953 km (0.1 R)
• M22: 20,722,895 km (0.067 R)
• M23: 21,008,328 km (0.075 R)
• M24: 22,077,504 km (0.035 R)
• M25: 23,696,901 km (0.042 R)
• M26: 26,050,375 km (0.086 R)
• M27: 27,741,579 km (0.107 R)
• M28: 31,091,973 km (0.09 R)
• M29: 31,843,403 km (0.084 R)
• M30: 34,302,792 km (0.073 R)
• M31: 45,088,948 km (0.076 R)
• M32: 47,520,362 km (0.102 R)
• M33: 50,551,514 km (0.07 R)
• M34: 53,709,226 km (0.032 R)
• M35: 54,609,057 km (0.108 R)
• M36: 57,744,030 km (0.117 R)
• M37: 59,259,905 km (0.041 R)
• M38: 60,996,886 km (0.097 R)
• M39: 66,824,022 km (0.057 R)
• M40: 73,893,719 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809.8

Radius: 3.5

Gravity: 66.11 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 7.72 AU - 10.92 AU

Year: 19298 Days

Day: 18.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 74,276,508 km

• M1: 49,816 km (0.066 R)
• M2: 169,345 km (0.116 R)
• M3: 616,792 km (0.083 R)
• M4: 1,088,773 km (0.098 R)
• M5: 1,571,825 km (0.044 R)
• M6: 2,121,447 km (0.032 R)
• M7: 2,814,235 km (0.03 R)
• M8: 3,616,080 km (0.07 R)
• M9: 5,182,519 km (0.096 R)
• M10: 5,337,054 km (0.058 R)
• M11: 7,294,243 km (0.057 R)
• M12: 8,299,989 km (0.09 R)
• M13: 8,565,076 km (0.078 R)
• M14: 9,509,039 km (0.098 R)
• M15: 11,147,435 km (0.114 R)
• M16: 14,356,010 km (0.117 R)
• M17: 14,584,446 km (0.051 R)
• M18: 15,442,539 km (0.112 R)
• M19: 18,218,328 km (0.052 R)
• M20: 19,212,855 km (0.082 R)
• M21: 19,583,259 km (0.07 R)
• M22: 20,819,984 km (0.109 R)
• M23: 21,210,734 km (0.034 R)
• M24: 21,506,938 km (0.108 R)
• M25: 22,310,578 km (0.047 R)
• M26: 23,447,821 km (0.101 R)
• M27: 23,658,604 km (0.081 R)
• M28: 24,623,062 km (0.078 R)
• M29: 28,383,952 km (0.031 R)
• M30: 30,337,700 km (0.088 R)
• M31: 34,647,016 km (0.083 R)
• M32: 35,610,726 km (0.106 R)
• M33: 35,749,852 km (0.083 R)
• M34: 46,084,222 km (0.029 R)
• M35: 56,522,863 km (0.096 R)
• M36: 59,211,884 km (0.032 R)
• M37: 59,407,110 km (0.079 R)
• M38: 65,675,859 km (0.087 R)
• M39: 73,042,208 km (0.165 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569.3

Radius: 6.1

Gravity: 15.3 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.39 AU - 11.43 AU

Year: 21159 Days

Day: 21 Hours

Environment

Temp: -232 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 74,276,508 km

• M1: 75,846 km (0.106 R)
• M2: 530,624 km (0.114 R)
• M3: 724,502 km (0.048 R)
• M4: 1,585,588 km (0.059 R)
• M5: 2,222,875 km (0.049 R)
• M6: 2,530,149 km (0.089 R)
• M7: 2,865,398 km (0.042 R)
• M8: 3,312,097 km (0.056 R)
• M9: 3,743,687 km (0.094 R)
• M10: 4,115,288 km (0.052 R)
• M11: 6,353,571 km (0.114 R)
• M12: 6,837,371 km (0.04 R)
• M13: 9,462,664 km (0.063 R)
• M14: 9,803,298 km (0.109 R)
• M15: 10,152,011 km (0.059 R)
• M16: 10,509,101 km (0.089 R)
• M17: 12,420,962 km (0.096 R)
• M18: 17,251,477 km (0.062 R)
• M19: 20,453,170 km (0.114 R)
• M20: 23,406,980 km (0.056 R)
• M21: 26,521,010 km (0.096 R)
• M22: 30,757,322 km (0.111 R)
• M23: 34,348,419 km (0.101 R)
• M24: 39,509,097 km (0.085 R)
• M25: 41,287,816 km (0.079 R)
• M26: 52,208,909 km (0.071 R)
• M27: 55,807,186 km (0.079 R)
• M28: 63,492,927 km (0.089 R)
• M29: 70,556,190 km (0.055 R)
• M30: 73,389,723 km (0.092 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 10,520 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit