🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.2

Radius: 9.3

Gravity: 10.51 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.57 AU - 0.57 AU

Year: 287 Days

Day: 10.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,897,404 km

• M1: 115,639 km (0.099 R)
• M2: 408,402 km (0.115 R)
• M3: 755,320 km (0.055 R)
• M4: 1,321,398 km (0.115 R)
• M5: 1,755,381 km (0.051 R)
• M6: 2,093,473 km (0.115 R)
• M7: 2,475,097 km (0.091 R)
• M8: 2,764,569 km (0.104 R)
• M9: 3,537,990 km (0.096 R)
• M10: 4,489,432 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.7

Radius: 10.5

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.58 AU - 0.76 AU

Year: 366 Days

Day: 10.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,897,404 km

• M1: 130,599 km (0.052 R)
• M2: 470,934 km (0.09 R)
• M3: 834,158 km (0.059 R)
• M4: 1,244,205 km (0.094 R)
• M5: 1,684,472 km (0.099 R)
• M6: 2,181,885 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.8

Radius: 13.9

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.67 AU - 1.01 AU

Year: 513 Days

Day: 7.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,897,404 km

• M1: 173,534 km (0.093 R)
• M2: 618,737 km (0.079 R)
• M3: 1,106,426 km (0.109 R)
• M4: 2,086,741 km (0.085 R)
• M5: 3,395,124 km (0.063 R)
• M6: 4,445,600 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.2

Radius: 8.4

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.29 AU - 2.03 AU

Year: 1426 Days

Day: 5.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,897,404 km

• M1: 104,419 km (0.054 R)
• M2: 559,197 km (0.077 R)
• M3: 822,788 km (0.056 R)
• M4: 1,246,449 km (0.057 R)
• M5: 1,584,690 km (0.116 R)
• M6: 1,952,402 km (0.117 R)
• M7: 2,270,746 km (0.104 R)
• M8: 2,572,934 km (0.047 R)
• M9: 2,860,910 km (0.09 R)
• M10: 3,924,850 km (0.074 R)
• M11: 4,640,676 km (0.072 R)
• M12: 5,335,857 km (0.114 R)
• M13: 6,190,360 km (0.037 R)
• M14: 6,614,320 km (0.115 R)
• M15: 7,572,943 km (0.118 R)
• M16: 8,707,942 km (0.071 R)
• M17: 9,060,694 km (0.054 R)
• M18: 9,763,355 km (0.103 R)
• M19: 10,901,795 km (0.059 R)
• M20: 11,242,729 km (0.089 R)
• M21: 12,308,614 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.5

Radius: 10.5

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.97 AU - 3.69 AU

Year: 4052 Days

Day: 11.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,897,404 km

• M1: 130,599 km (0.073 R)
• M2: 716,275 km (0.1 R)
• M3: 1,127,220 km (0.102 R)
• M4: 1,574,069 km (0.052 R)
• M5: 2,225,119 km (0.109 R)
• M6: 3,047,458 km (0.085 R)
• M7: 4,099,430 km (0.09 R)
• M8: 5,308,331 km (0.094 R)
• M9: 6,713,653 km (0.066 R)
• M10: 7,920,010 km (0.034 R)
• M11: 8,866,367 km (0.076 R)
• M12: 9,676,439 km (0.06 R)
• M13: 11,288,805 km (0.085 R)
• M14: 13,201,264 km (0.065 R)
• M15: 15,463,184 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.6

Radius: 14.9

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.69 AU - 5.97 AU

Year: 7079 Days

Day: 8.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,897,404 km

• M1: 201,957 km (0.113 R)
• M2: 2,141,194 km (0.03 R)
• M3: 3,410,682 km (0.086 R)
• M4: 5,719,875 km (0.098 R)
• M5: 6,269,647 km (0.07 R)
• M6: 8,637,931 km (0.111 R)
• M7: 11,166,135 km (0.099 R)
• M8: 16,420,012 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.4

Radius: 4

Gravity: 26.03 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.2 AU - 6.22 AU

Year: 10320 Days

Day: 22.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,897,404 km

• M1: 50,564 km (0.118 R)
• M2: 178,620 km (0.107 R)
• M3: 438,771 km (0.115 R)
• M4: 608,115 km (0.114 R)
• M5: 744,549 km (0.101 R)
• M6: 1,471,445 km (0.108 R)
• M7: 1,634,806 km (0.091 R)
• M8: 2,304,406 km (0.11 R)
• M9: 2,563,659 km (0.106 R)
• M10: 2,760,380 km (0.074 R)
• M11: 3,118,068 km (0.074 R)
• M12: 3,342,615 km (0.116 R)
• M13: 3,625,953 km (0.08 R)
• M14: 3,950,880 km (0.041 R)
• M15: 4,658,627 km (0.106 R)
• M16: 5,226,650 km (0.065 R)
• M17: 6,180,786 km (0.037 R)
• M18: 7,719,549 km (0.08 R)
• M19: 7,882,162 km (0.084 R)
• M20: 8,598,886 km (0.099 R)
• M21: 9,175,585 km (0.053 R)
• M22: 10,258,375 km (0.119 R)
• M23: 11,956,610 km (0.107 R)
• M24: 15,188,223 km (0.083 R)
• M25: 17,662,123 km (0.07 R)
• M26: 22,885,033 km (0.107 R)
• M27: 23,474,748 km (0.051 R)
• M28: 24,772,659 km (0.11 R)
• M29: 26,947,513 km (0.1 R)
• M30: 28,952,125 km (0.097 R)
• M31: 31,156,599 km (0.092 R)
• M32: 35,446,467 km (0.107 R)
• M33: 35,783,212 km (0.108 R)
• M34: 37,151,584 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929.2

Radius: 7.1

Gravity: 18.43 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 7.4 AU - 9 AU

Year: 15659 Days

Day: 24.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,897,404 km

• M1: 88,263 km (0.088 R)
• M2: 324,627 km (0.098 R)
• M3: 555,606 km (0.089 R)
• M4: 1,015,770 km (0.087 R)
• M5: 1,245,552 km (0.072 R)
• M6: 2,217,190 km (0.028 R)
• M7: 2,872,279 km (0.105 R)
• M8: 3,339,772 km (0.082 R)
• M9: 3,978,705 km (0.085 R)
• M10: 6,385,585 km (0.042 R)
• M11: 7,273,299 km (0.079 R)
• M12: 7,844,015 km (0.082 R)
• M13: 11,278,483 km (0.108 R)
• M14: 13,114,497 km (0.091 R)
• M15: 13,744,753 km (0.036 R)
• M16: 14,176,044 km (0.05 R)
• M17: 16,308,561 km (0.075 R)
• M18: 20,539,937 km (0.095 R)
• M19: 21,293,761 km (0.104 R)
• M20: 24,494,557 km (0.072 R)
• M21: 28,232,110 km (0.095 R)
• M22: 28,811,952 km (0.068 R)
• M23: 30,356,699 km (0.108 R)
• M24: 40,214,900 km (0.074 R)
• M25: 42,292,515 km (0.08 R)
• M26: 46,499,656 km (0.034 R)
• M27: 52,881,202 km (0.048 R)
• M28: 58,126,701 km (0.046 R)
• M29: 65,309,045 km (0.103 R)
• M30: 66,526,771 km (0.11 R)
• M31: 67,347,017 km (0.116 R)
• M32: 67,966,651 km (0.11 R)
• M33: 69,007,703 km (0.118 R)
• M34: 70,270,907 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.2

Radius: 5.8

Gravity: 26.52 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.3 AU - 10.26 AU

Year: 15888 Days

Day: 24 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 57,897,404 km

• M1: 72,106 km (0.112 R)
• M2: 255,214 km (0.113 R)
• M3: 515,664 km (0.053 R)
• M4: 1,081,293 km (0.038 R)
• M5: 1,975,440 km (0.053 R)
• M6: 2,677,802 km (0.084 R)
• M7: 4,167,198 km (0.038 R)
• M8: 4,394,138 km (0.113 R)
• M9: 4,767,235 km (0.038 R)
• M10: 5,812,625 km (0.084 R)
• M11: 6,304,503 km (0.115 R)
• M12: 8,500,600 km (0.084 R)
• M13: 10,258,225 km (0.069 R)
• M14: 14,254,134 km (0.118 R)
• M15: 17,791,675 km (0.065 R)
• M16: 18,389,917 km (0.082 R)
• M17: 21,776,513 km (0.065 R)
• M18: 23,463,080 km (0.057 R)
• M19: 23,872,230 km (0.058 R)
• M20: 25,341,879 km (0.083 R)
• M21: 26,208,201 km (0.057 R)
• M22: 28,229,268 km (0.058 R)
• M23: 29,042,631 km (0.115 R)
• M24: 37,216,061 km (0.05 R)
• M25: 37,493,714 km (0.114 R)
• M26: 38,052,911 km (0.101 R)
• M27: 38,334,604 km (0.112 R)
• M28: 44,889,235 km (0.12 R)
• M29: 45,203,689 km (0.095 R)
• M30: 45,996,409 km (0.113 R)
• M31: 52,326,194 km (0.061 R)
• M32: 59,970,794 km (0.052 R)
• M33: 60,543,605 km (0.092 R)
• M34: 63,859,142 km (0.055 R)
• M35: 64,656,499 km (0.118 R)
• M36: 70,212,863 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226

Radius: 7.8

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 10.18 AU - 11.08 AU

Year: 23112 Days

Day: 21.4 Hours

Environment

Temp: -244 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,897,404 km

• M1: 97,239 km (0.119 R)
• M2: 434,133 km (0.102 R)
• M3: 2,682,888 km (0.059 R)
• M4: 2,954,109 km (0.111 R)
• M5: 3,499,393 km (0.114 R)
• M6: 4,756,913 km (0.075 R)
• M7: 6,213,697 km (0.064 R)
• M8: 6,814,183 km (0.064 R)
• M9: 11,085,352 km (0.11 R)
• M10: 14,966,669 km (0.076 R)
• M11: 16,191,277 km (0.077 R)
• M12: 19,584,605 km (0.076 R)
• M13: 20,697,165 km (0.054 R)
• M14: 21,491,529 km (0.042 R)
• M15: 21,941,669 km (0.056 R)
• M16: 24,579,229 km (0.102 R)
• M17: 25,071,406 km (0.043 R)
• M18: 27,631,924 km (0.112 R)
• M19: 28,920,709 km (0.116 R)
• M20: 31,966,223 km (0.069 R)
• M21: 41,119,817 km (0.081 R)
• M22: 45,399,663 km (0.119 R)
• M23: 52,686,874 km (0.084 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: 292 - 15,345 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit