🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.4

Radius: 8.3

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.55 AU - 0.87 AU

Year: 392 Days

Day: 11.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,376,896 km

• M1: 103,223 km (0.111 R)
• M2: 366,964 km (0.078 R)
• M3: 625,319 km (0.101 R)
• M4: 978,520 km (0.105 R)
• M5: 1,261,708 km (0.095 R)
• M6: 1,957,787 km (0.12 R)
• M7: 2,258,180 km (0.114 R)
• M8: 2,549,896 km (0.114 R)
• M9: 2,942,141 km (0.096 R)
• M10: 3,668,289 km (0.09 R)
• M11: 3,979,603 km (0.072 R)
• M12: 4,745,244 km (0.092 R)
• M13: 5,555,317 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.3

Radius: 15

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.94 AU - 1.38 AU

Year: 820 Days

Day: 5.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,376,896 km

• M1: 186,549 km (0.119 R)
• M2: 703,409 km (0.066 R)
• M3: 1,285,046 km (0.116 R)
• M4: 1,894,657 km (0.065 R)
• M5: 2,771,450 km (0.102 R)
• M6: 4,439,915 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.1

Radius: 11.9

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.61 AU - 3.07 AU

Year: 3140 Days

Day: 10.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,376,896 km

• M1: 148,102 km (0.092 R)
• M2: 518,955 km (0.08 R)
• M3: 901,028 km (0.109 R)
• M4: 2,424,682 km (0.111 R)
• M5: 2,989,115 km (0.092 R)
• M6: 3,362,063 km (0.044 R)
• M7: 5,721,371 km (0.12 R)
• M8: 6,120,498 km (0.076 R)
• M9: 6,947,176 km (0.108 R)
• M10: 7,907,444 km (0.117 R)
• M11: 9,356,898 km (0.053 R)
• M12: 10,307,592 km (0.069 R)
• M13: 10,750,402 km (0.076 R)
• M14: 11,167,331 km (0.119 R)
• M15: 11,953,169 km (0.073 R)
• M16: 12,733,621 km (0.062 R)
• M17: 13,286,834 km (0.099 R)
• M18: 14,034,524 km (0.088 R)
• M19: 14,671,213 km (0.108 R)
• M20: 17,308,773 km (0.031 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.9

Radius: 10.2

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.2 AU - 3.92 AU

Year: 4406 Days

Day: 11.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,376,896 km

• M1: 126,859 km (0.1 R)
• M2: 872,604 km (0.095 R)
• M3: 1,211,294 km (0.089 R)
• M4: 1,867,729 km (0.071 R)
• M5: 2,270,896 km (0.088 R)
• M6: 3,339,623 km (0.102 R)
• M7: 5,837,608 km (0.094 R)
• M8: 13,294,912 km (0.105 R)
• M9: 15,610,987 km (0.087 R)
• M10: 16,967,690 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.2

Radius: 12.5

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.72 AU - 4.72 AU

Year: 5687 Days

Day: 7 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 74,376,896 km

• M1: 155,432 km (0.089 R)
• M2: 727,046 km (0.102 R)
• M3: 1,195,586 km (0.11 R)
• M4: 1,702,274 km (0.061 R)
• M5: 2,560,517 km (0.084 R)
• M6: 3,202,741 km (0.04 R)
• M7: 3,735,459 km (0.081 R)
• M8: 4,326,969 km (0.11 R)
• M9: 4,755,417 km (0.048 R)
• M10: 5,241,760 km (0.067 R)
• M11: 5,698,332 km (0.088 R)
• M12: 6,797,278 km (0.079 R)
• M13: 7,230,364 km (0.115 R)
• M14: 8,766,884 km (0.091 R)
• M15: 9,280,902 km (0.097 R)
• M16: 10,135,854 km (0.103 R)
• M17: 10,702,381 km (0.114 R)
• M18: 12,853,748 km (0.114 R)
• M19: 13,349,815 km (0.085 R)
• M20: 14,205,066 km (0.038 R)
• M21: 15,773,749 km (0.119 R)
• M22: 17,791,525 km (0.078 R)
• M23: 18,270,089 km (0.094 R)
• M24: 18,687,018 km (0.116 R)
• M25: 19,830,095 km (0.09 R)
• M26: 21,400,275 km (0.112 R)
• M27: 24,366,352 km (0.07 R)
• M28: 29,646,408 km (0.027 R)
• M29: 32,299,078 km (0.092 R)
• M30: 34,153,194 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.3

Radius: 12.7

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.25 AU - 4.41 AU

Year: 5911 Days

Day: 12.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,376,896 km

• M1: 158,574 km (0.09 R)
• M2: 596,896 km (0.041 R)
• M3: 996,172 km (0.101 R)
• M4: 1,468,154 km (0.098 R)
• M5: 2,319,216 km (0.092 R)
• M6: 3,604,261 km (0.057 R)
• M7: 4,441,112 km (0.084 R)
• M8: 5,318,354 km (0.078 R)
• M9: 6,244,664 km (0.092 R)
• M10: 7,381,159 km (0.093 R)
• M11: 11,716,505 km (0.11 R)
• M12: 12,762,045 km (0.082 R)
• M13: 14,251,890 km (0.107 R)
• M14: 15,096,071 km (0.073 R)
• M15: 17,070,912 km (0.1 R)
• M16: 18,348,328 km (0.029 R)
• M17: 19,620,210 km (0.113 R)
• M18: 20,033,698 km (0.115 R)
• M19: 20,665,001 km (0.08 R)
• M20: 21,165,256 km (0.089 R)
• M21: 22,563,548 km (0.085 R)
• M22: 23,632,724 km (0.046 R)
• M23: 25,789,775 km (0.075 R)
• M24: 27,555,928 km (0.058 R)
• M25: 31,047,692 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.7

Radius: 12.8

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.71 AU - 5.27 AU

Year: 7312 Days

Day: 9.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,376,896 km

• M1: 160,070 km (0.064 R)
• M2: 1,306,588 km (0.104 R)
• M3: 2,019,870 km (0.085 R)
• M4: 2,665,834 km (0.031 R)
• M5: 3,320,175 km (0.075 R)
• M6: 4,055,598 km (0.093 R)
• M7: 4,656,683 km (0.047 R)
• M8: 5,089,918 km (0.101 R)
• M9: 5,729,748 km (0.084 R)
• M10: 6,488,359 km (0.079 R)
• M11: 7,030,502 km (0.116 R)
• M12: 7,750,815 km (0.115 R)
• M13: 9,212,536 km (0.11 R)
• M14: 12,012,859 km (0.099 R)
• M15: 14,526,252 km (0.057 R)
• M16: 16,863,121 km (0.1 R)
• M17: 18,154,150 km (0.118 R)
• M18: 19,233,499 km (0.076 R)
• M19: 19,859,267 km (0.09 R)
• M20: 28,554,643 km (0.114 R)
• M21: 30,106,571 km (0.03 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 879.2

Radius: 6.4

Gravity: 21.46 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.42 AU - 7.14 AU

Year: 11581 Days

Day: 15.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 74,376,896 km

• M1: 81,082 km (0.119 R)
• M2: 588,368 km (0.105 R)
• M3: 805,285 km (0.073 R)
• M4: 1,030,879 km (0.103 R)
• M5: 1,707,211 km (0.061 R)
• M6: 2,122,495 km (0.04 R)
• M7: 2,435,304 km (0.105 R)
• M8: 2,689,770 km (0.036 R)
• M9: 3,535,147 km (0.1 R)
• M10: 4,269,374 km (0.062 R)
• M11: 7,734,360 km (0.108 R)
• M12: 8,913,640 km (0.056 R)
• M13: 9,112,904 km (0.08 R)
• M14: 9,993,138 km (0.079 R)
• M15: 11,742,236 km (0.112 R)
• M16: 14,356,010 km (0.108 R)
• M17: 18,277,419 km (0.113 R)
• M18: 19,007,457 km (0.044 R)
• M19: 20,525,426 km (0.068 R)
• M20: 21,225,395 km (0.099 R)
• M21: 21,581,288 km (0.106 R)
• M22: 24,088,399 km (0.119 R)
• M23: 25,064,226 km (0.07 R)
• M24: 26,783,255 km (0.074 R)
• M25: 27,094,568 km (0.118 R)
• M26: 28,795,795 km (0.113 R)
• M27: 29,451,782 km (0.079 R)
• M28: 29,672,588 km (0.102 R)
• M29: 30,229,541 km (0.048 R)
• M30: 32,645,098 km (0.084 R)
• M31: 33,478,059 km (0.062 R)
• M32: 34,938,732 km (0.03 R)
• M33: 40,658,457 km (0.12 R)
• M34: 42,040,143 km (0.062 R)
• M35: 45,336,233 km (0.115 R)
• M36: 47,576,312 km (0.096 R)
• M37: 49,109,989 km (0.098 R)
• M38: 55,071,315 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.7

Radius: 7.4

Gravity: 17.01 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 6.73 AU - 10.49 AU

Year: 16573 Days

Day: 16.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 126.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,376,896 km

• M1: 92,152 km (0.106 R)
• M2: 444,306 km (0.041 R)
• M3: 695,331 km (0.092 R)
• M4: 1,338,303 km (0.114 R)
• M5: 2,097,661 km (0.067 R)
• M6: 5,834,915 km (0.095 R)
• M7: 6,164,629 km (0.113 R)
• M8: 6,550,292 km (0.094 R)
• M9: 9,322,042 km (0.049 R)
• M10: 10,004,058 km (0.08 R)
• M11: 12,791,366 km (0.113 R)
• M12: 14,140,739 km (0.106 R)
• M13: 14,887,830 km (0.043 R)
• M14: 30,932,202 km (0.082 R)
• M15: 41,956,069 km (0.077 R)
• M16: 43,807,193 km (0.078 R)
• M17: 44,911,824 km (0.074 R)
• M18: 45,712,173 km (0.098 R)
• M19: 46,359,333 km (0.103 R)
• M20: 52,637,208 km (0.072 R)
• M21: 55,153,294 km (0.103 R)
• M22: 66,846,761 km (0.105 R)
• M23: 67,471,332 km (0.113 R)
• M24: 68,731,994 km (0.079 R)
• M25: 73,710,312 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: 200 - 12,327 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit