🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.51 AU - 0.61 AU

Year: 275 Days

Day: 40 Hours

Environment

Temp: -113 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.9

Radius: 8.5

Gravity: 12.54 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.81 AU - 0.83 AU

Year: 487 Days

Day: 6.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,539,780 km

• M1: 105,766 km (0.072 R)
• M2: 397,033 km (0.053 R)
• M3: 666,758 km (0.074 R)
• M4: 1,170,005 km (0.035 R)
• M5: 1,636,302 km (0.056 R)
• M6: 1,934,600 km (0.083 R)
• M7: 2,307,846 km (0.045 R)
• M8: 2,872,578 km (0.087 R)
• M9: 3,212,315 km (0.112 R)
• M10: 3,487,725 km (0.086 R)
• M11: 3,888,797 km (0.035 R)
• M12: 4,275,956 km (0.106 R)
• M13: 4,815,855 km (0.103 R)
• M14: 5,161,276 km (0.04 R)
• M15: 5,505,351 km (0.088 R)
• M16: 5,994,387 km (0.067 R)
• M17: 6,591,133 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.9

Radius: 8.2

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.82 AU - 1.26 AU

Year: 696 Days

Day: 12 Hours

Environment

Temp: -152 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,539,780 km

• M1: 102,624 km (0.105 R)
• M2: 394,041 km (0.088 R)
• M3: 719,566 km (0.104 R)
• M4: 1,180,626 km (0.064 R)
• M5: 1,509,293 km (0.094 R)
• M6: 1,784,703 km (0.106 R)
• M7: 2,171,712 km (0.054 R)
• M8: 2,470,758 km (0.046 R)
• M9: 2,739,137 km (0.067 R)
• M10: 3,308,656 km (0.103 R)
• M11: 3,579,877 km (0.049 R)
• M12: 4,167,497 km (0.109 R)
• M13: 4,886,166 km (0.06 R)
• M14: 5,330,023 km (0.116 R)
• M15: 5,800,508 km (0.057 R)
• M16: 6,674,159 km (0.091 R)
• M17: 6,976,796 km (0.082 R)
• M18: 8,084,718 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.1

Radius: 8.2

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.43 AU - 1.83 AU

Year: 1365 Days

Day: 5.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,539,780 km

• M1: 102,026 km (0.088 R)
• M2: 375,042 km (0.104 R)
• M3: 742,454 km (0.077 R)
• M4: 1,078,601 km (0.043 R)
• M5: 1,584,840 km (0.063 R)
• M6: 2,252,196 km (0.094 R)
• M7: 2,930,173 km (0.092 R)
• M8: 3,265,871 km (0.057 R)
• M9: 3,534,399 km (0.117 R)
• M10: 3,801,581 km (0.12 R)
• M11: 4,065,322 km (0.03 R)
• M12: 4,465,945 km (0.103 R)
• M13: 6,315,573 km (0.111 R)
• M14: 6,758,084 km (0.074 R)
• M15: 7,862,565 km (0.103 R)
• M16: 8,183,602 km (0.095 R)
• M17: 8,653,489 km (0.094 R)
• M18: 8,995,918 km (0.053 R)
• M19: 10,234,589 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.4

Radius: 13.1

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.5 AU - 3.68 AU

Year: 3563 Days

Day: 9.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,539,780 km

• M1: 162,912 km (0.039 R)
• M2: 679,174 km (0.034 R)
• M3: 1,432,100 km (0.108 R)
• M4: 2,209,860 km (0.09 R)
• M5: 2,655,362 km (0.11 R)
• M6: 3,085,007 km (0.032 R)
• M7: 3,870,695 km (0.056 R)
• M8: 4,369,006 km (0.032 R)
• M9: 4,993,876 km (0.111 R)
• M10: 5,793,776 km (0.087 R)
• M11: 10,076,015 km (0.102 R)
• M12: 11,243,178 km (0.044 R)
• M13: 12,031,558 km (0.047 R)
• M14: 13,099,238 km (0.057 R)
• M15: 14,839,810 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.5

Radius: 8.9

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.07 AU - 4.79 AU

Year: 5111 Days

Day: 7 Hours

Environment

Temp: -213 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,539,780 km

• M1: 111,151 km (0.11 R)
• M2: 445,203 km (0.09 R)
• M3: 838,047 km (0.083 R)
• M4: 1,345,633 km (0.107 R)
• M5: 1,663,828 km (0.087 R)
• M6: 3,031,601 km (0.104 R)
• M7: 3,607,403 km (0.053 R)
• M8: 4,205,645 km (0.118 R)
• M9: 5,658,240 km (0.095 R)
• M10: 6,931,617 km (0.067 R)
• M11: 8,347,412 km (0.117 R)
• M12: 8,739,657 km (0.088 R)
• M13: 9,560,950 km (0.076 R)
• M14: 10,704,326 km (0.025 R)
• M15: 13,313,463 km (0.093 R)
• M16: 14,964,275 km (0.041 R)
• M17: 15,661,251 km (0.088 R)
• M18: 20,096,080 km (0.105 R)
• M19: 20,801,434 km (0.08 R)
• M20: 22,112,360 km (0.096 R)
• M21: 23,246,312 km (0.072 R)
• M22: 28,787,717 km (0.059 R)
• M23: 29,503,094 km (0.092 R)
• M24: 31,062,651 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.8

Radius: 4.1

Gravity: 43.3 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.18 AU - 9.26 AU

Year: 15460 Days

Day: 19.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 78,539,780 km

• M1: 51,013 km (0.091 R)
• M2: 197,918 km (0.084 R)
• M3: 513,420 km (0.118 R)
• M4: 805,285 km (0.079 R)
• M5: 1,121,834 km (0.12 R)
• M6: 2,232,599 km (0.114 R)
• M7: 2,529,700 km (0.103 R)
• M8: 2,804,960 km (0.106 R)
• M9: 3,580,326 km (0.082 R)
• M10: 4,296,152 km (0.112 R)
• M11: 4,456,521 km (0.1 R)
• M12: 5,282,750 km (0.026 R)
• M13: 5,466,905 km (0.064 R)
• M14: 6,706,173 km (0.117 R)
• M15: 7,833,244 km (0.117 R)
• M16: 8,416,675 km (0.104 R)
• M17: 14,521,316 km (0.083 R)
• M18: 14,810,339 km (0.105 R)
• M19: 15,029,500 km (0.035 R)
• M20: 16,312,601 km (0.117 R)
• M21: 20,147,692 km (0.074 R)
• M22: 21,054,105 km (0.094 R)
• M23: 21,517,410 km (0.113 R)
• M24: 22,464,364 km (0.102 R)
• M25: 22,850,776 km (0.091 R)
• M26: 24,952,626 km (0.072 R)
• M27: 29,420,665 km (0.036 R)
• M28: 34,649,560 km (0.076 R)
• M29: 35,425,075 km (0.109 R)
• M30: 36,080,164 km (0.067 R)
• M31: 41,614,088 km (0.109 R)
• M32: 42,343,378 km (0.117 R)
• M33: 42,932,794 km (0.116 R)
• M34: 49,455,710 km (0.119 R)
• M35: 57,144,591 km (0.11 R)
• M36: 60,430,509 km (0.052 R)
• M37: 60,803,307 km (0.088 R)
• M38: 62,309,458 km (0.053 R)
• M39: 62,689,885 km (0.079 R)
• M40: 65,396,111 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.9

Radius: 3.9

Gravity: 54.83 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 7.89 AU - 9.55 AU

Year: 16892 Days

Day: 19.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 78,539,780 km

• M1: 48,470 km (0.12 R)
• M2: 176,974 km (0.028 R)
• M3: 318,643 km (0.12 R)
• M4: 720,314 km (0.09 R)
• M5: 842,236 km (0.117 R)
• M6: 1,014,274 km (0.073 R)
• M7: 1,763,460 km (0.039 R)
• M8: 2,168,122 km (0.088 R)
• M9: 3,752,962 km (0.105 R)
• M10: 6,927,129 km (0.037 R)
• M11: 7,389,686 km (0.063 R)
• M12: 8,071,404 km (0.059 R)
• M13: 10,248,950 km (0.118 R)
• M14: 10,666,478 km (0.11 R)
• M15: 11,408,334 km (0.052 R)
• M16: 12,118,176 km (0.066 R)
• M17: 19,334,478 km (0.089 R)
• M18: 19,514,893 km (0.029 R)
• M19: 22,063,292 km (0.037 R)
• M20: 23,263,815 km (0.087 R)
• M21: 28,385,897 km (0.093 R)
• M22: 34,740,366 km (0.077 R)
• M23: 35,951,959 km (0.091 R)
• M24: 36,224,975 km (0.113 R)
• M25: 38,888,116 km (0.027 R)
• M26: 46,838,046 km (0.026 R)
• M27: 47,655,000 km (0.108 R)
• M28: 48,814,683 km (0.086 R)
• M29: 52,757,634 km (0.119 R)
• M30: 54,716,319 km (0.114 R)
• M31: 57,464,432 km (0.116 R)
• M32: 58,400,466 km (0.116 R)
• M33: 58,588,959 km (0.079 R)
• M34: 59,537,260 km (0.096 R)
• M35: 63,631,753 km (0.063 R)
• M36: 65,239,781 km (0.031 R)
• M37: 70,225,728 km (0.081 R)
• M38: 71,942,514 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708.7

Radius: 5.4

Gravity: 24.3 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 8.57 AU - 11.35 AU

Year: 20620 Days

Day: 15.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 78,539,780 km

• M1: 67,169 km (0.046 R)
• M2: 301,440 km (0.079 R)
• M3: 487,689 km (0.05 R)
• M4: 676,332 km (0.098 R)
• M5: 937,380 km (0.054 R)
• M6: 1,478,476 km (0.067 R)
• M7: 2,359,906 km (0.092 R)
• M8: 2,638,607 km (0.119 R)
• M9: 3,289,508 km (0.092 R)
• M10: 3,728,428 km (0.077 R)
• M11: 4,009,821 km (0.071 R)
• M12: 4,271,917 km (0.036 R)
• M13: 9,075,056 km (0.108 R)
• M14: 10,848,389 km (0.118 R)
• M15: 11,422,396 km (0.097 R)
• M16: 14,371,419 km (0.119 R)
• M17: 14,830,385 km (0.037 R)
• M18: 16,020,436 km (0.104 R)
• M19: 27,098,757 km (0.112 R)
• M20: 28,153,422 km (0.08 R)
• M21: 28,510,961 km (0.089 R)
• M22: 33,839,338 km (0.049 R)
• M23: 34,378,937 km (0.051 R)
• M24: 36,594,930 km (0.116 R)
• M25: 40,850,840 km (0.109 R)
• M26: 41,309,058 km (0.052 R)
• M27: 47,919,788 km (0.105 R)
• M28: 48,942,739 km (0.095 R)
• M29: 49,806,217 km (0.118 R)
• M30: 55,574,562 km (0.068 R)
• M31: 66,080,820 km (0.109 R)
• M32: 68,415,594 km (0.063 R)
• M33: 74,378,117 km (0.085 R)
• M34: 76,209,045 km (0.073 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 13,614 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit