🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.7

Radius: 14

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.79 AU - 1.31 AU

Year: 717 Days

Day: 10.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,482,213 km

• M1: 174,132 km (0.074 R)
• M2: 621,130 km (0.057 R)
• M3: 1,424,321 km (0.113 R)
• M4: 1,947,465 km (0.059 R)
• M5: 2,841,462 km (0.083 R)
• M6: 3,313,443 km (0.117 R)
• M7: 3,783,031 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818

Radius: 12.1

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.35 AU - 1.93 AU

Year: 1401 Days

Day: 12.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,482,213 km

• M1: 159,172 km (0.083 R)
• M2: 566,378 km (0.102 R)
• M3: 955,033 km (0.086 R)
• M4: 1,345,782 km (0.076 R)
• M5: 2,057,719 km (0.088 R)
• M6: 2,596,869 km (0.118 R)
• M7: 3,051,198 km (0.04 R)
• M8: 3,673,077 km (0.073 R)
• M9: 4,266,681 km (0.117 R)
• M10: 5,192,243 km (0.074 R)
• M11: 7,656,718 km (0.106 R)
• M12: 8,778,104 km (0.096 R)
• M13: 9,237,369 km (0.032 R)
• M14: 9,616,450 km (0.033 R)
• M15: 10,439,538 km (0.049 R)
• M16: 10,920,794 km (0.083 R)
• M17: 12,264,033 km (0.076 R)
• M18: 12,722,551 km (0.115 R)
• M19: 13,552,520 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.7

Radius: 11.1

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.81 AU - 2.07 AU

Year: 1802 Days

Day: 5.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 53,482,213 km

• M1: 142,268 km (0.069 R)
• M2: 498,909 km (0.115 R)
• M3: 890,556 km (0.107 R)
• M4: 4,575,600 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754

Radius: 10.2

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.13 AU - 2.59 AU

Year: 2418 Days

Day: 13.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,482,213 km

• M1: 127,457 km (0.081 R)
• M2: 611,706 km (0.072 R)
• M3: 987,645 km (0.078 R)
• M4: 1,510,340 km (0.07 R)
• M5: 2,120,550 km (0.106 R)
• M6: 2,717,894 km (0.051 R)
• M7: 3,164,743 km (0.09 R)
• M8: 4,785,037 km (0.053 R)
• M9: 5,128,514 km (0.072 R)
• M10: 5,865,433 km (0.106 R)
• M11: 7,101,112 km (0.12 R)
• M12: 7,427,983 km (0.104 R)
• M13: 7,764,877 km (0.068 R)
• M14: 8,176,272 km (0.109 R)
• M15: 9,008,335 km (0.117 R)
• M16: 10,379,848 km (0.111 R)
• M17: 11,476,101 km (0.068 R)
• M18: 12,390,294 km (0.067 R)
• M19: 12,821,585 km (0.052 R)
• M20: 17,920,479 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.4

Radius: 9

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.67 AU - 2.95 AU

Year: 3141 Days

Day: 14.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,482,213 km

• M1: 111,899 km (0.117 R)
• M2: 471,832 km (0.074 R)
• M3: 1,232,537 km (0.104 R)
• M4: 2,160,941 km (0.096 R)
• M5: 2,567,698 km (0.071 R)
• M6: 3,692,075 km (0.058 R)
• M7: 4,276,106 km (0.117 R)
• M8: 4,824,531 km (0.07 R)
• M9: 6,459,486 km (0.09 R)
• M10: 6,904,989 km (0.114 R)
• M11: 8,365,363 km (0.033 R)
• M12: 9,040,050 km (0.081 R)
• M13: 9,334,758 km (0.073 R)
• M14: 11,030,449 km (0.115 R)
• M15: 11,710,970 km (0.059 R)
• M16: 12,922,264 km (0.086 R)
• M17: 13,296,708 km (0.059 R)
• M18: 13,678,481 km (0.075 R)
• M19: 14,165,722 km (0.102 R)
• M20: 15,382,850 km (0.05 R)
• M21: 18,081,595 km (0.096 R)
• M22: 19,147,779 km (0.112 R)
• M23: 22,395,400 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.1

Radius: 10

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.55 AU - 5.23 AU

Year: 7211 Days

Day: 11.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,482,213 km

• M1: 127,607 km (0.104 R)
• M2: 646,861 km (0.114 R)
• M3: 1,009,935 km (0.096 R)
• M4: 1,443,021 km (0.112 R)
• M5: 1,833,920 km (0.115 R)
• M6: 2,537,479 km (0.107 R)
• M7: 3,370,739 km (0.119 R)
• M8: 4,804,784 km (0.063 R)
• M9: 5,457,031 km (0.098 R)
• M10: 6,354,020 km (0.101 R)
• M11: 7,072,239 km (0.08 R)
• M12: 7,771,161 km (0.086 R)
• M13: 8,362,820 km (0.066 R)
• M14: 8,747,735 km (0.087 R)
• M15: 9,429,303 km (0.098 R)
• M16: 10,059,709 km (0.089 R)
• M17: 11,640,061 km (0.098 R)
• M18: 12,614,092 km (0.1 R)
• M19: 19,229,011 km (0.044 R)
• M20: 20,037,139 km (0.103 R)
• M21: 21,865,374 km (0.117 R)
• M22: 24,265,223 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964

Radius: 11.3

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.13 AU - 6.41 AU

Year: 8068 Days

Day: 13.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,482,213 km

• M1: 140,472 km (0.109 R)
• M2: 506,239 km (0.102 R)
• M3: 937,530 km (0.063 R)
• M4: 1,838,857 km (0.06 R)
• M5: 2,305,902 km (0.084 R)
• M6: 2,979,092 km (0.113 R)
• M7: 4,628,558 km (0.028 R)
• M8: 5,941,728 km (0.034 R)
• M9: 6,406,230 km (0.087 R)
• M10: 6,779,776 km (0.062 R)
• M11: 7,530,009 km (0.107 R)
• M12: 8,466,791 km (0.103 R)
• M13: 8,917,529 km (0.034 R)
• M14: 9,431,847 km (0.112 R)
• M15: 9,867,326 km (0.058 R)
• M16: 13,666,065 km (0.094 R)
• M17: 15,122,998 km (0.083 R)
• M18: 16,333,694 km (0.068 R)
• M19: 18,046,889 km (0.082 R)
• M20: 19,408,229 km (0.028 R)
• M21: 22,849,130 km (0.081 R)
• M22: 24,081,218 km (0.049 R)
• M23: 24,441,151 km (0.063 R)
• M24: 24,987,931 km (0.101 R)
• M25: 28,541,628 km (0.06 R)
• M26: 34,086,473 km (0.067 R)
• M27: 37,470,826 km (0.067 R)
• M28: 40,563,014 km (0.069 R)
• M29: 43,421,530 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56.7

Radius: 3.1

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 7.87 AU - 9.57 AU

Year: 17171 Days

Day: 16.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,482,213 km

• M1: 38,596 km (0.053 R)
• M2: 161,117 km (0.083 R)
• M3: 467,793 km (0.098 R)
• M4: 601,683 km (0.079 R)
• M5: 731,085 km (0.069 R)
• M6: 1,018,911 km (0.068 R)
• M7: 1,422,676 km (0.113 R)
• M8: 1,854,415 km (0.119 R)
• M9: 1,996,533 km (0.068 R)
• M10: 2,145,981 km (0.106 R)
• M11: 3,105,053 km (0.079 R)
• M12: 3,430,429 km (0.094 R)
• M13: 3,645,102 km (0.098 R)
• M14: 4,392,343 km (0.106 R)
• M15: 5,578,804 km (0.053 R)
• M16: 10,791,242 km (0.12 R)
• M17: 17,330,465 km (0.115 R)
• M18: 17,580,742 km (0.082 R)
• M19: 18,475,786 km (0.088 R)
• M20: 20,217,853 km (0.051 R)
• M21: 20,916,026 km (0.079 R)
• M22: 23,792,793 km (0.087 R)
• M23: 27,852,132 km (0.082 R)
• M24: 28,023,571 km (0.117 R)
• M25: 28,454,861 km (0.052 R)
• M26: 28,715,910 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.4

Radius: 4.9

Gravity: 13.3 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 8.33 AU - 9.17 AU

Year: 17260 Days

Day: 15.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,482,213 km

• M1: 71,358 km (0.081 R)
• M2: 227,239 km (0.097 R)
• M3: 555,606 km (0.047 R)
• M4: 1,077,703 km (0.12 R)
• M5: 1,246,300 km (0.055 R)
• M6: 1,591,572 km (0.07 R)
• M7: 1,778,868 km (0.051 R)
• M8: 2,254,590 km (0.115 R)
• M9: 2,471,207 km (0.111 R)
• M10: 2,923,442 km (0.103 R)
• M11: 3,085,755 km (0.119 R)
• M12: 3,479,946 km (0.068 R)
• M13: 5,059,849 km (0.077 R)
• M14: 5,714,190 km (0.104 R)
• M15: 6,231,200 km (0.085 R)
• M16: 6,619,107 km (0.031 R)
• M17: 7,659,411 km (0.085 R)
• M18: 8,059,286 km (0.116 R)
• M19: 8,426,250 km (0.077 R)
• M20: 11,144,443 km (0.048 R)
• M21: 14,130,716 km (0.117 R)
• M22: 15,841,966 km (0.047 R)
• M23: 21,972,935 km (0.11 R)
• M24: 23,419,098 km (0.097 R)
• M25: 25,804,137 km (0.049 R)
• M26: 29,515,660 km (0.068 R)
• M27: 31,273,734 km (0.048 R)
• M28: 34,158,579 km (0.099 R)
• M29: 37,975,719 km (0.074 R)
• M30: 42,204,402 km (0.051 R)
• M31: 44,290,394 km (0.066 R)
• M32: 46,882,925 km (0.091 R)
• M33: 50,340,581 km (0.118 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 11,620 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit