🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.47 AU - 0.69 AU

Year: 191 Days

Day: 12.5 Hours

Environment

Temp: 9 °C

Axial Tilt: 19.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.58 AU - 0.64 AU

Year: 207 Days

Day: 34.6 Hours

Environment

Temp: 16 °C

Axial Tilt: 48.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 63,408,363 km

• M1: 277,055 km (0.027 R)

Asteroid Belt

Center: 1.95 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.9

Radius: 9

Gravity: 11.84 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.49 AU - 4.07 AU

Year: 2575 Days

Day: 12.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,408,363 km

• M1: 137,630 km (0.118 R)
• M2: 437,275 km (0.057 R)
• M3: 724,502 km (0.11 R)
• M4: 1,029,682 km (0.105 R)
• M5: 1,432,400 km (0.069 R)
• M6: 1,876,855 km (0.099 R)
• M7: 2,186,223 km (0.112 R)
• M8: 2,636,513 km (0.103 R)
• M9: 4,110,351 km (0.086 R)
• M10: 4,705,900 km (0.1 R)
• M11: 6,781,571 km (0.097 R)
• M12: 9,184,112 km (0.088 R)
• M13: 9,815,864 km (0.049 R)
• M14: 12,772,068 km (0.098 R)
• M15: 13,324,533 km (0.095 R)
• M16: 15,281,273 km (0.088 R)
• M17: 17,534,516 km (0.082 R)
• M18: 20,682,654 km (0.112 R)
• M19: 20,997,707 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905

Radius: 14.8

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.06 AU - 5.06 AU

Year: 4221 Days

Day: 9.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,408,363 km

• M1: 184,155 km (0.079 R)
• M2: 719,117 km (0.077 R)
• M3: 1,319,752 km (0.106 R)
• M4: 2,301,414 km (0.083 R)
• M5: 3,665,447 km (0.091 R)
• M6: 5,460,621 km (0.097 R)
• M7: 6,132,914 km (0.087 R)
• M8: 6,761,824 km (0.071 R)
• M9: 7,503,380 km (0.108 R)
• M10: 8,833,305 km (0.073 R)
• M11: 9,596,105 km (0.111 R)
• M12: 10,272,138 km (0.077 R)
• M13: 11,392,027 km (0.105 R)
• M14: 12,247,727 km (0.117 R)
• M15: 14,411,361 km (0.057 R)
• M16: 14,962,031 km (0.076 R)
• M17: 16,519,494 km (0.102 R)
• M18: 17,184,158 km (0.118 R)
• M19: 18,374,059 km (0.058 R)
• M20: 19,752,604 km (0.115 R)
• M21: 20,848,408 km (0.05 R)
• M22: 21,624,971 km (0.115 R)
• M23: 23,917,708 km (0.119 R)
• M24: 25,640,327 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.7

Radius: 9.4

Gravity: 8.5 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.35 AU - 6.91 AU

Year: 7400 Days

Day: 8.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,408,363 km

• M1: 116,836 km (0.105 R)
• M2: 746,793 km (0.108 R)
• M3: 1,100,143 km (0.073 R)
• M4: 1,982,172 km (0.063 R)
• M5: 3,481,292 km (0.113 R)
• M6: 4,383,068 km (0.086 R)
• M7: 6,255,585 km (0.051 R)
• M8: 8,651,694 km (0.09 R)
• M9: 9,357,646 km (0.038 R)
• M10: 13,592,014 km (0.111 R)
• M11: 14,914,609 km (0.114 R)
• M12: 15,289,800 km (0.049 R)
• M13: 19,174,557 km (0.098 R)
• M14: 19,767,713 km (0.114 R)
• M15: 20,990,676 km (0.116 R)
• M16: 23,251,249 km (0.101 R)
• M17: 25,402,766 km (0.081 R)
• M18: 29,310,262 km (0.096 R)
• M19: 30,097,446 km (0.119 R)
• M20: 30,898,692 km (0.11 R)
• M21: 31,920,146 km (0.11 R)
• M22: 35,119,596 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.1

Radius: 11.2

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.63 AU - 9.63 AU

Year: 10989 Days

Day: 9.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,408,363 km

• M1: 144,661 km (0.114 R)
• M2: 830,867 km (0.032 R)
• M3: 1,227,451 km (0.101 R)
• M4: 1,940,584 km (0.107 R)
• M5: 2,473,302 km (0.096 R)
• M6: 2,893,522 km (0.103 R)
• M7: 3,382,109 km (0.032 R)
• M8: 4,182,008 km (0.077 R)
• M9: 5,049,377 km (0.093 R)
• M10: 8,375,835 km (0.101 R)
• M11: 10,182,080 km (0.119 R)
• M12: 11,891,086 km (0.107 R)
• M13: 12,686,348 km (0.048 R)
• M14: 13,945,514 km (0.101 R)
• M15: 14,438,438 km (0.102 R)
• M16: 20,167,588 km (0.072 R)
• M17: 21,011,769 km (0.113 R)
• M18: 21,370,355 km (0.098 R)
• M19: 25,752,974 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.7

Radius: 5.4

Gravity: 13.74 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 9.34 AU - 15.28 AU

Year: 18722 Days

Day: 19.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 82.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 63,408,363 km

• M1: 75,697 km (0.096 R)
• M2: 260,300 km (0.108 R)
• M3: 490,980 km (0.095 R)
• M4: 723,754 km (0.109 R)
• M5: 1,224,907 km (0.089 R)
• M6: 1,445,863 km (0.093 R)
• M7: 1,861,746 km (0.025 R)
• M8: 2,194,002 km (0.083 R)
• M9: 2,500,379 km (0.04 R)
• M10: 2,881,554 km (0.08 R)
• M11: 3,098,471 km (0.081 R)
• M12: 3,404,848 km (0.077 R)
• M13: 3,592,742 km (0.098 R)
• M14: 4,383,367 km (0.092 R)
• M15: 4,971,137 km (0.079 R)
• M16: 6,143,536 km (0.098 R)
• M17: 7,092,734 km (0.058 R)
• M18: 7,854,487 km (0.071 R)
• M19: 8,375,536 km (0.099 R)
• M20: 9,859,696 km (0.111 R)
• M21: 10,465,717 km (0.044 R)
• M22: 12,815,601 km (0.069 R)
• M23: 13,941,774 km (0.108 R)
• M24: 15,938,008 km (0.098 R)
• M25: 18,774,234 km (0.119 R)
• M26: 19,618,115 km (0.083 R)
• M27: 20,311,053 km (0.089 R)
• M28: 22,960,431 km (0.111 R)
• M29: 23,632,724 km (0.101 R)
• M30: 24,022,725 km (0.102 R)
• M31: 26,874,210 km (0.104 R)
• M32: 28,053,640 km (0.025 R)
• M33: 37,422,506 km (0.069 R)
• M34: 38,756,470 km (0.114 R)
• M35: 47,278,013 km (0.065 R)
• M36: 48,052,930 km (0.084 R)
• M37: 48,993,751 km (0.105 R)
• M38: 53,046,507 km (0.108 R)
• M39: 53,379,961 km (0.111 R)
• M40: 56,792,887 km (0.047 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.9

Radius: 4.4

Gravity: 29.13 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 12.7 AU - 15.94 AU

Year: 23490 Days

Day: 21.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 63,408,363 km

• M1: 54,753 km (0.108 R)
• M2: 254,316 km (0.068 R)
• M3: 487,240 km (0.03 R)
• M4: 821,292 km (0.077 R)
• M5: 1,416,991 km (0.057 R)
• M6: 2,196,546 km (0.075 R)
• M7: 2,629,781 km (0.034 R)
• M8: 3,010,358 km (0.087 R)
• M9: 5,602,440 km (0.064 R)
• M10: 6,101,499 km (0.075 R)
• M11: 6,584,401 km (0.096 R)
• M12: 10,577,467 km (0.11 R)
• M13: 10,953,257 km (0.098 R)
• M14: 13,542,796 km (0.116 R)
• M15: 14,135,652 km (0.072 R)
• M16: 14,362,293 km (0.037 R)
• M17: 16,680,462 km (0.091 R)
• M18: 18,149,214 km (0.09 R)
• M19: 24,887,850 km (0.106 R)
• M20: 29,294,853 km (0.084 R)
• M21: 31,940,043 km (0.088 R)
• M22: 33,253,811 km (0.065 R)
• M23: 33,654,883 km (0.117 R)
• M24: 37,989,930 km (0.093 R)
• M25: 41,128,793 km (0.031 R)
• M26: 46,904,468 km (0.101 R)
• M27: 48,943,636 km (0.092 R)
• M28: 51,218,571 km (0.107 R)
• M29: 54,113,888 km (0.047 R)
• M30: 57,116,467 km (0.083 R)
• M31: 57,307,803 km (0.087 R)
• M32: 57,884,203 km (0.04 R)
• M33: 59,048,524 km (0.116 R)
• M34: 60,426,470 km (0.119 R)
• M35: 64,274,576 km (0.097 R)
• M36: 69,147,277 km (0.106 R)
• M37: 72,230,789 km (0.118 R)
• M38: 74,260,533 km (0.105 R)
• M39: 76,328,125 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 242.7

Radius: 7.3

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 14.92 AU - 15.38 AU

Year: 25561 Days

Day: 15.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,408,363 km

• M1: 90,806 km (0.107 R)
• M2: 340,485 km (0.09 R)
• M3: 812,017 km (0.073 R)
• M4: 1,269,039 km (0.114 R)
• M5: 1,699,881 km (0.108 R)
• M6: 2,069,836 km (0.119 R)
• M7: 2,449,964 km (0.08 R)
• M8: 2,759,183 km (0.074 R)
• M9: 4,173,631 km (0.075 R)
• M10: 5,745,905 km (0.054 R)
• M11: 6,664,585 km (0.107 R)
• M12: 7,093,183 km (0.112 R)
• M13: 8,196,916 km (0.054 R)
• M14: 8,489,978 km (0.038 R)
• M15: 13,294,314 km (0.061 R)
• M16: 13,631,059 km (0.052 R)
• M17: 17,239,659 km (0.086 R)
• M18: 19,912,225 km (0.119 R)
• M19: 22,183,120 km (0.07 R)
• M20: 24,119,964 km (0.048 R)
• M21: 25,644,665 km (0.11 R)
• M22: 26,802,852 km (0.062 R)
• M23: 28,216,103 km (0.092 R)
• M24: 35,903,788 km (0.043 R)
• M25: 41,929,590 km (0.105 R)
• M26: 44,577,473 km (0.043 R)
• M27: 45,029,258 km (0.04 R)
• M28: 49,234,754 km (0.071 R)
• M29: 53,694,865 km (0.056 R)
• M30: 54,893,592 km (0.116 R)
• M31: 58,057,886 km (0.06 R)
• M32: 61,714,058 km (0.1 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: 490 - 18,767 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit