🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.8

Radius: 14.4

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.57 AU - 0.75 AU

Year: 377 Days

Day: 14.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,468,979 km

• M1: 179,069 km (0.077 R)
• M2: 860,038 km (0.079 R)
• M3: 1,560,455 km (0.088 R)
• M4: 2,011,343 km (0.094 R)
• M5: 2,588,642 km (0.099 R)
• M6: 3,187,631 km (0.109 R)
• M7: 3,803,975 km (0.037 R)
• M8: 4,513,069 km (0.074 R)
• M9: 5,018,709 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.4

Radius: 12.6

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.72 AU - 1.06 AU

Year: 590 Days

Day: 5.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,468,979 km

• M1: 156,779 km (0.065 R)
• M2: 874,400 km (0.074 R)
• M3: 1,300,604 km (0.087 R)
• M4: 1,893,909 km (0.101 R)
• M5: 2,997,642 km (0.11 R)
• M6: 3,565,964 km (0.112 R)
• M7: 4,031,513 km (0.047 R)
• M8: 4,506,636 km (0.105 R)
• M9: 5,035,913 km (0.073 R)
• M10: 5,842,694 km (0.089 R)
• M11: 7,127,591 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.8

Radius: 9.9

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.77 AU - 1.07 AU

Year: 620 Days

Day: 9.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,468,979 km

• M1: 123,269 km (0.062 R)
• M2: 447,447 km (0.034 R)
• M3: 858,692 km (0.088 R)
• M4: 1,415,944 km (0.106 R)
• M5: 2,201,033 km (0.111 R)
• M6: 2,762,175 km (0.102 R)
• M7: 3,719,153 km (0.034 R)
• M8: 4,141,168 km (0.066 R)
• M9: 4,785,785 km (0.119 R)
• M10: 5,638,793 km (0.115 R)
• M11: 6,313,479 km (0.076 R)
• M12: 6,772,146 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.6

Radius: 12

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.77 AU - 1.09 AU

Year: 630 Days

Day: 9.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,468,979 km

• M1: 149,299 km (0.043 R)
• M2: 529,128 km (0.112 R)
• M3: 1,194,240 km (0.102 R)
• M4: 1,606,831 km (0.068 R)
• M5: 2,059,215 km (0.078 R)
• M6: 2,929,725 km (0.094 R)
• M7: 3,449,727 km (0.057 R)
• M8: 4,167,049 km (0.09 R)
• M9: 5,500,714 km (0.09 R)
• M10: 6,055,871 km (0.114 R)
• M11: 6,690,316 km (0.033 R)
• M12: 7,189,374 km (0.072 R)
• M13: 8,044,476 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.8

Radius: 14.1

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.27 AU - 1.71 AU

Year: 1278 Days

Day: 15 Hours

Environment

Temp: -184 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,468,979 km

• M1: 175,927 km (0.062 R)
• M2: 669,002 km (0.111 R)
• M3: 1,271,881 km (0.115 R)
• M4: 1,790,088 km (0.116 R)
• M5: 2,293,934 km (0.079 R)
• M6: 4,063,677 km (0.118 R)
• M7: 4,556,452 km (0.048 R)
• M8: 5,568,033 km (0.066 R)
• M9: 6,616,863 km (0.115 R)
• M10: 7,143,747 km (0.098 R)
• M11: 7,745,879 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.4

Radius: 12.8

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.85 AU - 1.95 AU

Year: 1841 Days

Day: 9.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,468,979 km

• M1: 164,258 km (0.12 R)
• M2: 628,461 km (0.065 R)
• M3: 1,073,963 km (0.076 R)
• M4: 1,516,773 km (0.117 R)
• M5: 1,981,573 km (0.118 R)
• M6: 2,555,431 km (0.111 R)
• M7: 3,415,170 km (0.117 R)
• M8: 4,077,290 km (0.12 R)
• M9: 5,363,084 km (0.088 R)
• M10: 5,990,647 km (0.072 R)
• M11: 6,850,086 km (0.12 R)
• M12: 7,561,574 km (0.078 R)
• M13: 7,994,061 km (0.091 R)
• M14: 9,926,417 km (0.111 R)
• M15: 10,658,699 km (0.078 R)
• M16: 11,129,782 km (0.106 R)
• M17: 11,577,080 km (0.053 R)
• M18: 12,113,987 km (0.114 R)
• M19: 12,707,591 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.8

Radius: 10.8

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.99 AU - 2.35 AU

Year: 2247 Days

Day: 14.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 115.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,468,979 km

• M1: 134,937 km (0.066 R)
• M2: 566,826 km (0.105 R)
• M3: 1,176,138 km (0.062 R)
• M4: 1,646,624 km (0.114 R)
• M5: 2,036,476 km (0.049 R)
• M6: 2,545,557 km (0.094 R)
• M7: 2,989,863 km (0.093 R)
• M8: 3,449,727 km (0.059 R)
• M9: 4,599,387 km (0.118 R)
• M10: 5,456,134 km (0.076 R)
• M11: 7,185,036 km (0.117 R)
• M12: 7,856,132 km (0.088 R)
• M13: 8,370,001 km (0.09 R)
• M14: 8,906,309 km (0.102 R)
• M15: 9,500,961 km (0.094 R)
• M16: 10,730,954 km (0.11 R)
• M17: 13,012,472 km (0.112 R)
• M18: 14,102,741 km (0.074 R)
• M19: 17,040,843 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 960.3

Radius: 3.3

Gravity: 88.18 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 6.93 AU - 9.15 AU

Year: 16025 Days

Day: 15.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,468,979 km

• M1: 40,990 km (0.031 R)
• M2: 279,000 km (0.118 R)
• M3: 490,980 km (0.08 R)
• M4: 1,887,925 km (0.117 R)
• M5: 2,469,562 km (0.116 R)
• M6: 2,703,682 km (0.115 R)
• M7: 2,952,314 km (0.089 R)
• M8: 3,135,272 km (0.062 R)
• M9: 4,296,600 km (0.098 R)
• M10: 4,600,434 km (0.096 R)
• M11: 5,797,516 km (0.11 R)
• M12: 6,001,567 km (0.028 R)
• M13: 7,860,171 km (0.057 R)
• M14: 11,347,298 km (0.064 R)
• M15: 12,123,860 km (0.118 R)
• M16: 17,624,275 km (0.082 R)
• M17: 18,052,424 km (0.05 R)
• M18: 19,378,459 km (0.114 R)
• M19: 21,438,572 km (0.095 R)
• M20: 22,024,846 km (0.09 R)
• M21: 26,766,201 km (0.046 R)
• M22: 36,654,769 km (0.109 R)
• M23: 39,205,114 km (0.058 R)
• M24: 45,131,134 km (0.083 R)
• M25: 45,450,227 km (0.092 R)
• M26: 46,254,315 km (0.072 R)
• M27: 47,396,046 km (0.092 R)
• M28: 48,222,874 km (0.064 R)
• M29: 61,609,639 km (0.095 R)
• M30: 71,714,676 km (0.061 R)
• M31: 73,242,669 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.2

Radius: 5

Gravity: 26.89 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.56 AU - 9.36 AU

Year: 17297 Days

Day: 20.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 42,468,979 km

• M1: 66,870 km (0.117 R)
• M2: 322,533 km (0.053 R)
• M3: 482,453 km (0.047 R)
• M4: 644,318 km (0.082 R)
• M5: 1,199,177 km (0.118 R)
• M6: 1,632,861 km (0.114 R)
• M7: 2,246,511 km (0.097 R)
• M8: 2,733,602 km (0.094 R)
• M9: 2,902,647 km (0.099 R)
• M10: 3,945,045 km (0.078 R)
• M11: 4,224,494 km (0.118 R)
• M12: 5,070,321 km (0.089 R)
• M13: 6,650,074 km (0.107 R)
• M14: 9,593,263 km (0.116 R)
• M15: 11,285,364 km (0.115 R)
• M16: 13,790,530 km (0.065 R)
• M17: 14,361,545 km (0.108 R)
• M18: 15,474,254 km (0.117 R)
• M19: 16,884,064 km (0.083 R)
• M20: 17,953,988 km (0.108 R)
• M21: 19,243,821 km (0.105 R)
• M22: 20,228,026 km (0.095 R)
• M23: 28,645,599 km (0.101 R)
• M24: 28,875,830 km (0.065 R)
• M25: 30,282,947 km (0.071 R)
• M26: 31,490,053 km (0.066 R)
• M27: 33,360,325 km (0.087 R)
• M28: 34,128,660 km (0.11 R)
• M29: 35,171,507 km (0.09 R)
• M30: 37,594,992 km (0.073 R)
• M31: 37,871,000 km (0.113 R)
• M32: 38,707,103 km (0.099 R)
• M33: 46,474,673 km (0.056 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126.7

Radius: 8

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.02 AU - 11.24 AU

Year: 19392 Days

Day: 15.8 Hours

Environment

Temp: -243 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 42,468,979 km

• M1: 99,632 km (0.102 R)
• M2: 385,514 km (0.105 R)
• M3: 1,070,074 km (0.098 R)
• M4: 1,900,491 km (0.076 R)
• M5: 2,298,272 km (0.07 R)
• M6: 3,587,058 km (0.099 R)
• M7: 3,858,428 km (0.074 R)
• M8: 4,873,599 km (0.111 R)
• M9: 5,719,875 km (0.092 R)
• M10: 6,022,661 km (0.086 R)
• M11: 6,845,599 km (0.096 R)
• M12: 7,225,876 km (0.088 R)
• M13: 9,575,311 km (0.098 R)
• M14: 10,897,008 km (0.108 R)
• M15: 13,897,493 km (0.064 R)
• M16: 15,521,677 km (0.1 R)
• M17: 16,717,712 km (0.031 R)
• M18: 17,408,255 km (0.088 R)
• M19: 20,283,377 km (0.062 R)
• M20: 23,546,256 km (0.101 R)
• M21: 23,804,163 km (0.115 R)
• M22: 25,122,419 km (0.113 R)
• M23: 25,936,381 km (0.112 R)
• M24: 26,674,497 km (0.068 R)
• M25: 29,269,422 km (0.093 R)
• M26: 33,741,800 km (0.08 R)
• M27: 37,351,447 km (0.117 R)
• M28: 39,855,416 km (0.052 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 19,514 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit