🌌 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 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.2

Radius: 8.2

Gravity: 12.58 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.46 AU - 0.6 AU

Year: 266 Days

Day: 9 Hours

Environment

Temp: -133 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,550,795 km

• M1: 102,026 km (0.111 R)
• M2: 397,631 km (0.099 R)
• M3: 703,858 km (0.108 R)
• M4: 1,095,056 km (0.04 R)
• M5: 1,556,117 km (0.11 R)
• M6: 2,246,661 km (0.091 R)
• M7: 2,611,081 km (0.053 R)
• M8: 3,242,384 km (0.052 R)
• M9: 3,617,127 km (0.114 R)
• M10: 4,271,618 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.6

Radius: 9

Gravity: 12.02 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.83 AU - 1.07 AU

Year: 639 Days

Day: 6.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,550,795 km

• M1: 111,899 km (0.063 R)
• M2: 446,101 km (0.114 R)
• M3: 746,493 km (0.065 R)
• M4: 1,321,398 km (0.106 R)
• M5: 1,939,387 km (0.116 R)
• M6: 2,545,408 km (0.077 R)
• M7: 2,991,209 km (0.087 R)
• M8: 3,419,807 km (0.045 R)
• M9: 4,288,373 km (0.115 R)
• M10: 4,630,802 km (0.094 R)
• M11: 5,520,461 km (0.072 R)
• M12: 5,926,320 km (0.106 R)
• M13: 6,208,012 km (0.058 R)
• M14: 6,583,204 km (0.085 R)
• M15: 6,951,514 km (0.11 R)
• M16: 7,287,810 km (0.046 R)
• M17: 7,848,652 km (0.119 R)
• M18: 8,188,838 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.5

Radius: 10.6

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.49 AU - 2.49 AU

Year: 1938 Days

Day: 12.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,550,795 km

• M1: 131,796 km (0.096 R)
• M2: 495,767 km (0.091 R)
• M3: 834,906 km (0.117 R)
• M4: 1,201,121 km (0.089 R)
• M5: 1,828,086 km (0.114 R)
• M6: 2,518,779 km (0.083 R)
• M7: 2,980,139 km (0.117 R)
• M8: 3,731,719 km (0.077 R)
• M9: 4,499,306 km (0.103 R)
• M10: 5,932,304 km (0.106 R)
• M11: 7,235,002 km (0.074 R)
• M12: 7,588,651 km (0.108 R)
• M13: 8,330,657 km (0.117 R)
• M14: 8,686,700 km (0.111 R)
• M15: 9,120,384 km (0.048 R)
• M16: 9,923,425 km (0.111 R)
• M17: 10,360,700 km (0.107 R)
• M18: 11,470,716 km (0.108 R)
• M19: 13,391,553 km (0.086 R)
• M20: 15,615,325 km (0.083 R)
• M21: 16,712,625 km (0.116 R)
• M22: 18,021,008 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.6

Radius: 10

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.86 AU - 3.06 AU

Year: 3515 Days

Day: 13.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,550,795 km

• M1: 124,465 km (0.095 R)
• M2: 543,788 km (0.118 R)
• M3: 920,177 km (0.034 R)
• M4: 1,269,936 km (0.116 R)
• M5: 1,755,531 km (0.113 R)
• M6: 2,675,408 km (0.102 R)
• M7: 3,296,539 km (0.09 R)
• M8: 3,929,338 km (0.1 R)
• M9: 4,329,213 km (0.085 R)
• M10: 5,040,102 km (0.092 R)
• M11: 6,752,249 km (0.118 R)
• M12: 10,952,808 km (0.062 R)
• M13: 12,806,625 km (0.068 R)
• M14: 13,406,064 km (0.114 R)
• M15: 13,831,819 km (0.102 R)
• M16: 17,514,919 km (0.092 R)
• M17: 19,370,381 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.8

Radius: 8.1

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.03 AU - 4.75 AU

Year: 5296 Days

Day: 14.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,550,795 km

• M1: 101,128 km (0.091 R)
• M2: 459,265 km (0.114 R)
• M3: 866,920 km (0.063 R)
• M4: 1,268,291 km (0.064 R)
• M5: 1,703,321 km (0.101 R)
• M6: 3,972,571 km (0.09 R)
• M7: 5,692,049 km (0.062 R)
• M8: 6,322,754 km (0.076 R)
• M9: 7,993,313 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.7

Radius: 9

Gravity: 11.34 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.56 AU - 4.96 AU

Year: 7168 Days

Day: 6.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,550,795 km

• M1: 112,049 km (0.101 R)
• M2: 652,995 km (0.076 R)
• M3: 952,340 km (0.113 R)
• M4: 1,310,029 km (0.096 R)
• M5: 1,771,688 km (0.12 R)
• M6: 2,131,770 km (0.076 R)
• M7: 2,447,421 km (0.037 R)
• M8: 3,043,569 km (0.114 R)
• M9: 3,587,806 km (0.062 R)
• M10: 5,615,156 km (0.113 R)
• M11: 6,398,600 km (0.093 R)
• M12: 7,137,464 km (0.112 R)
• M13: 9,602,687 km (0.069 R)
• M14: 12,983,749 km (0.064 R)
• M15: 18,721,874 km (0.092 R)
• M16: 19,390,128 km (0.034 R)
• M17: 22,470,199 km (0.077 R)
• M18: 22,803,503 km (0.106 R)
• M19: 23,909,480 km (0.087 R)
• M20: 26,136,394 km (0.09 R)
• M21: 28,790,559 km (0.114 R)
• M22: 33,208,633 km (0.119 R)
• M23: 38,413,741 km (0.09 R)
• M24: 42,339,189 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.4

Radius: 14.2

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.04 AU - 6.46 AU

Year: 8303 Days

Day: 11.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,550,795 km

• M1: 176,675 km (0.087 R)
• M2: 808,427 km (0.09 R)
• M3: 1,426,117 km (0.083 R)
• M4: 1,900,940 km (0.081 R)
• M5: 2,942,889 km (0.1 R)
• M6: 3,460,348 km (0.102 R)
• M7: 5,105,027 km (0.12 R)
• M8: 6,646,035 km (0.038 R)
• M9: 7,585,809 km (0.112 R)
• M10: 8,045,224 km (0.083 R)
• M11: 8,882,822 km (0.097 R)
• M12: 11,858,623 km (0.088 R)
• M13: 12,536,900 km (0.096 R)
• M14: 13,541,749 km (0.032 R)
• M15: 19,312,038 km (0.097 R)
• M16: 22,648,370 km (0.11 R)
• M17: 25,692,537 km (0.115 R)
• M18: 29,304,727 km (0.073 R)
• M19: 31,713,402 km (0.08 R)
• M20: 32,362,807 km (0.062 R)
• M21: 35,396,053 km (0.04 R)
• M22: 37,400,216 km (0.086 R)
• M23: 42,412,792 km (0.064 R)
• M24: 46,454,028 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.4

Radius: 4.8

Gravity: 10.74 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 5.15 AU - 8.35 AU

Year: 12105 Days

Day: 24.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 91 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,550,795 km

• M1: 59,690 km (0.104 R)
• M2: 227,389 km (0.07 R)
• M3: 489,035 km (0.108 R)
• M4: 643,121 km (0.112 R)
• M5: 855,999 km (0.037 R)
• M6: 1,033,422 km (0.117 R)
• M7: 1,269,637 km (0.1 R)
• M8: 1,425,817 km (0.11 R)
• M9: 2,200,734 km (0.069 R)
• M10: 2,806,606 km (0.119 R)
• M11: 3,402,454 km (0.12 R)
• M12: 4,642,022 km (0.04 R)
• M13: 4,956,925 km (0.093 R)
• M14: 5,316,708 km (0.116 R)
• M15: 5,565,938 km (0.062 R)
• M16: 6,121,694 km (0.06 R)
• M17: 7,228,868 km (0.084 R)
• M18: 7,889,642 km (0.07 R)
• M19: 11,038,079 km (0.064 R)
• M20: 13,973,788 km (0.076 R)
• M21: 18,501,217 km (0.099 R)
• M22: 18,786,052 km (0.12 R)
• M23: 19,218,838 km (0.08 R)
• M24: 23,251,099 km (0.087 R)
• M25: 24,170,827 km (0.115 R)
• M26: 25,288,772 km (0.084 R)
• M27: 31,906,383 km (0.051 R)
• M28: 33,041,233 km (0.078 R)
• M29: 35,281,910 km (0.083 R)
• M30: 37,055,692 km (0.045 R)
• M31: 38,424,363 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.1

Radius: 6

Gravity: 12 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 8.15 AU - 11.67 AU

Year: 21534 Days

Day: 19.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,550,795 km

• M1: 74,649 km (0.045 R)
• M2: 574,605 km (0.107 R)
• M3: 764,744 km (0.07 R)
• M4: 986,149 km (0.095 R)
• M5: 1,306,139 km (0.098 R)
• M6: 1,923,529 km (0.081 R)
• M7: 2,134,462 km (0.12 R)
• M8: 3,164,145 km (0.088 R)
• M9: 4,136,531 km (0.048 R)
• M10: 5,004,348 km (0.095 R)
• M11: 5,750,093 km (0.074 R)
• M12: 7,647,593 km (0.087 R)
• M13: 10,797,376 km (0.069 R)
• M14: 11,654,721 km (0.094 R)
• M15: 12,035,897 km (0.091 R)
• M16: 14,209,853 km (0.085 R)
• M17: 14,865,540 km (0.107 R)
• M18: 17,196,874 km (0.101 R)
• M19: 18,025,197 km (0.117 R)
• M20: 19,053,982 km (0.059 R)
• M21: 21,605,672 km (0.078 R)
• M22: 22,374,606 km (0.061 R)
• M23: 24,273,601 km (0.119 R)
• M24: 24,790,761 km (0.082 R)
• M25: 25,633,146 km (0.093 R)
• M26: 26,603,737 km (0.042 R)
• M27: 26,822,599 km (0.095 R)
• M28: 27,486,664 km (0.094 R)
• M29: 28,503,182 km (0.083 R)
• M30: 32,196,603 km (0.117 R)
• M31: 39,797,222 km (0.115 R)
• M32: 41,097,078 km (0.039 R)
• M33: 47,378,394 km (0.089 R)
• M34: 48,185,624 km (0.11 R)
• M35: 54,446,295 km (0.112 R)
• M36: 60,847,438 km (0.06 R)
• M37: 67,122,769 km (0.12 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 18,798 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit