🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.11 AU - 1.23 AU

Year: 485 Days

Day: 38.9 Hours

Environment

Temp: -6 °C

Axial Tilt: 36.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.36 AU - 1.56 AU

Year: 675 Days

Day: 34.7 Hours

Environment

Temp: -42 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.1 AU - 4 AU

Year: 2561 Days

Day: 46.1 Hours

Environment

Temp: -130 °C

Axial Tilt: 2.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64

Radius: 9.3

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.49 AU - 7.33 AU

Year: 5501 Days

Day: 10.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,946,735 km

• M1: 115,639 km (0.102 R)
• M2: 758,312 km (0.061 R)
• M3: 1,251,536 km (0.088 R)
• M4: 1,553,574 km (0.099 R)
• M5: 2,003,714 km (0.09 R)
• M6: 3,755,355 km (0.09 R)
• M7: 4,472,827 km (0.044 R)
• M8: 4,937,029 km (0.094 R)
• M9: 6,081,901 km (0.094 R)
• M10: 8,369,253 km (0.109 R)
• M11: 9,362,284 km (0.088 R)
• M12: 13,667,411 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.8

Radius: 9.4

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.66 AU - 8.68 AU

Year: 7351 Days

Day: 12.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,946,735 km

• M1: 154,086 km (0.078 R)
• M2: 455,226 km (0.049 R)
• M3: 819,647 km (0.119 R)
• M4: 2,509,953 km (0.09 R)
• M5: 3,063,764 km (0.042 R)
• M6: 3,423,248 km (0.113 R)
• M7: 4,247,981 km (0.108 R)
• M8: 5,128,963 km (0.061 R)
• M9: 6,785,161 km (0.105 R)
• M10: 7,611,689 km (0.071 R)
• M11: 8,737,413 km (0.112 R)
• M12: 10,267,949 km (0.107 R)
• M13: 11,680,602 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.9

Radius: 5.4

Gravity: 24.69 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 9 AU - 14.2 AU

Year: 15127 Days

Day: 19.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 90.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 66,946,735 km

• M1: 67,917 km (0.117 R)
• M2: 292,464 km (0.116 R)
• M3: 678,426 km (0.112 R)
• M4: 1,714,092 km (0.082 R)
• M5: 2,110,676 km (0.103 R)
• M6: 3,212,465 km (0.097 R)
• M7: 3,756,702 km (0.083 R)
• M8: 5,682,326 km (0.114 R)
• M9: 6,230,303 km (0.12 R)
• M10: 6,642,893 km (0.066 R)
• M11: 6,812,986 km (0.108 R)
• M12: 7,895,177 km (0.105 R)
• M13: 11,515,296 km (0.118 R)
• M14: 11,947,634 km (0.098 R)
• M15: 12,390,743 km (0.073 R)
• M16: 12,648,799 km (0.091 R)
• M17: 13,993,385 km (0.066 R)
• M18: 15,135,565 km (0.082 R)
• M19: 16,805,526 km (0.076 R)
• M20: 17,361,730 km (0.113 R)
• M21: 18,260,215 km (0.047 R)
• M22: 19,535,088 km (0.117 R)
• M23: 23,418,200 km (0.096 R)
• M24: 24,413,026 km (0.045 R)
• M25: 27,786,009 km (0.109 R)
• M26: 28,900,663 km (0.081 R)
• M27: 29,240,699 km (0.115 R)
• M28: 30,863,238 km (0.067 R)
• M29: 33,408,196 km (0.117 R)
• M30: 33,657,576 km (0.107 R)
• M31: 39,603,792 km (0.049 R)
• M32: 40,023,414 km (0.072 R)
• M33: 40,304,808 km (0.042 R)
• M34: 45,140,110 km (0.104 R)
• M35: 46,522,993 km (0.077 R)
• M36: 48,092,275 km (0.12 R)
• M37: 50,184,700 km (0.111 R)
• M38: 51,336,155 km (0.053 R)
• M39: 54,550,116 km (0.066 R)
• M40: 60,631,568 km (0.097 R)
• M41: 63,452,535 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617

Radius: 6.1

Gravity: 16.58 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 9.88 AU - 13.74 AU

Year: 15540 Days

Day: 18.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,946,735 km

• M1: 76,295 km (0.119 R)
• M2: 535,860 km (0.102 R)
• M3: 801,396 km (0.078 R)
• M4: 1,437,486 km (0.107 R)
• M5: 1,784,403 km (0.113 R)
• M6: 2,127,581 km (0.093 R)
• M7: 2,513,843 km (0.066 R)
• M8: 2,921,946 km (0.066 R)
• M9: 3,346,953 km (0.099 R)
• M10: 4,166,002 km (0.105 R)
• M11: 5,468,550 km (0.11 R)
• M12: 5,918,840 km (0.092 R)
• M13: 7,065,208 km (0.114 R)
• M14: 7,508,467 km (0.033 R)
• M15: 8,304,178 km (0.082 R)
• M16: 11,027,607 km (0.101 R)
• M17: 13,474,131 km (0.085 R)
• M18: 14,787,750 km (0.077 R)
• M19: 16,033,451 km (0.102 R)
• M20: 17,586,726 km (0.118 R)
• M21: 18,732,047 km (0.088 R)
• M22: 19,752,454 km (0.097 R)
• M23: 24,008,513 km (0.074 R)
• M24: 26,454,439 km (0.071 R)
• M25: 26,877,501 km (0.119 R)
• M26: 27,197,940 km (0.118 R)
• M27: 27,412,912 km (0.093 R)
• M28: 34,653,599 km (0.104 R)
• M29: 35,287,595 km (0.072 R)
• M30: 39,667,820 km (0.113 R)
• M31: 45,295,243 km (0.047 R)
• M32: 46,511,773 km (0.088 R)
• M33: 48,693,060 km (0.051 R)
• M34: 49,488,322 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494

Radius: 3.3

Gravity: 45.36 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 13.38 AU - 14.04 AU

Year: 19437 Days

Day: 20.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 66,946,735 km

• M1: 42,486 km (0.039 R)
• M2: 205,697 km (0.089 R)
• M3: 405,859 km (0.071 R)
• M4: 514,617 km (0.119 R)
• M5: 715,227 km (0.079 R)
• M6: 876,494 km (0.086 R)
• M7: 1,061,546 km (0.064 R)
• M8: 1,589,777 km (0.107 R)
• M9: 2,578,918 km (0.103 R)
• M10: 3,457,506 km (0.059 R)
• M11: 3,888,946 km (0.038 R)
• M12: 4,009,821 km (0.113 R)
• M13: 4,585,025 km (0.111 R)
• M14: 4,754,220 km (0.1 R)
• M15: 5,069,124 km (0.109 R)
• M16: 6,301,810 km (0.107 R)
• M17: 6,987,417 km (0.06 R)
• M18: 7,121,307 km (0.077 R)
• M19: 7,302,470 km (0.09 R)
• M20: 9,286,587 km (0.083 R)
• M21: 14,063,397 km (0.076 R)
• M22: 14,277,022 km (0.069 R)
• M23: 18,842,301 km (0.105 R)
• M24: 25,431,937 km (0.094 R)
• M25: 25,855,150 km (0.027 R)
• M26: 26,715,487 km (0.109 R)
• M27: 31,305,299 km (0.08 R)
• M28: 33,153,581 km (0.078 R)
• M29: 35,203,820 km (0.058 R)
• M30: 37,337,085 km (0.094 R)
• M31: 38,992,386 km (0.073 R)
• M32: 41,858,831 km (0.096 R)
• M33: 42,005,736 km (0.065 R)
• M34: 42,596,797 km (0.107 R)
• M35: 45,947,041 km (0.087 R)
• M36: 48,652,818 km (0.088 R)
• M37: 53,683,645 km (0.086 R)
• M38: 58,131,937 km (0.08 R)
• M39: 59,605,626 km (0.06 R)
• M40: 60,164,673 km (0.056 R)
• M41: 62,244,233 km (0.107 R)
• M42: 66,546,070 km (0.101 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: 542 - 15,331 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit