🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.8 AU - 1.18 AU

Year: 379 Days

Day: 26.8 Hours

Environment

Temp: -9 °C

Axial Tilt: 3.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.35 AU - 2.65 AU

Year: 1522 Days

Day: 35.7 Hours

Environment

Temp: -99 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.6

Radius: 12.3

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.61 AU - 5.73 AU

Year: 3885 Days

Day: 5.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,273,834 km

• M1: 153,039 km (0.087 R)
• M2: 768,185 km (0.071 R)
• M3: 1,305,241 km (0.061 R)
• M4: 2,547,353 km (0.103 R)
• M5: 3,353,236 km (0.059 R)
• M6: 4,414,932 km (0.059 R)
• M7: 5,100,839 km (0.069 R)
• M8: 5,605,881 km (0.085 R)
• M9: 6,056,919 km (0.087 R)
• M10: 6,904,839 km (0.095 R)
• M11: 10,379,998 km (0.084 R)
• M12: 11,281,923 km (0.12 R)
• M13: 12,188,636 km (0.057 R)
• M14: 12,660,019 km (0.098 R)
• M15: 13,942,671 km (0.089 R)
• M16: 16,478,505 km (0.095 R)
• M17: 16,880,773 km (0.105 R)
• M18: 19,180,990 km (0.104 R)
• M19: 21,071,458 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.7

Radius: 11.8

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.84 AU - 6.2 AU

Year: 4330 Days

Day: 11.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,273,834 km

• M1: 146,905 km (0.085 R)
• M2: 547,827 km (0.094 R)
• M3: 1,362,687 km (0.096 R)
• M4: 1,774,081 km (0.099 R)
• M5: 2,713,406 km (0.092 R)
• M6: 3,648,393 km (0.082 R)
• M7: 4,457,119 km (0.025 R)
• M8: 4,970,838 km (0.101 R)
• M9: 6,148,173 km (0.038 R)
• M10: 6,525,758 km (0.088 R)
• M11: 6,985,921 km (0.118 R)
• M12: 9,537,612 km (0.108 R)
• M13: 10,526,155 km (0.069 R)
• M14: 11,253,201 km (0.08 R)
• M15: 12,110,845 km (0.111 R)
• M16: 15,400,951 km (0.079 R)
• M17: 16,458,010 km (0.115 R)
• M18: 19,783,720 km (0.11 R)
• M19: 21,531,771 km (0.035 R)
• M20: 22,554,572 km (0.119 R)
• M21: 24,539,586 km (0.12 R)
• M22: 26,472,989 km (0.053 R)
• M23: 27,223,521 km (0.077 R)
• M24: 28,419,257 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67

Radius: 13.9

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.43 AU - 6.21 AU

Year: 4724 Days

Day: 10.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,273,834 km

• M1: 200,012 km (0.07 R)
• M2: 701,764 km (0.091 R)
• M3: 1,815,969 km (0.107 R)
• M4: 4,535,807 km (0.107 R)
• M5: 6,448,117 km (0.088 R)
• M6: 8,820,590 km (0.099 R)
• M7: 12,771,769 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137

Radius: 13.8

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 5.78 AU - 6.08 AU

Year: 5560 Days

Day: 14.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,273,834 km

• M1: 171,738 km (0.04 R)
• M2: 903,272 km (0.052 R)
• M3: 1,793,379 km (0.064 R)
• M4: 2,692,462 km (0.114 R)
• M5: 3,989,775 km (0.109 R)
• M6: 5,769,990 km (0.12 R)
• M7: 7,328,800 km (0.097 R)
• M8: 9,222,110 km (0.102 R)
• M9: 11,066,502 km (0.106 R)
• M10: 11,869,394 km (0.101 R)

Asteroid Belt

Center: 6.51 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.5

Radius: 9.7

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.97 AU - 7.21 AU

Year: 7268 Days

Day: 12.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 83,273,834 km

• M1: 120,725 km (0.097 R)
• M2: 521,797 km (0.1 R)
• M3: 1,355,207 km (0.109 R)
• M4: 3,003,626 km (0.109 R)
• M5: 3,637,921 km (0.042 R)
• M6: 3,964,792 km (0.073 R)
• M7: 5,904,927 km (0.109 R)
• M8: 6,545,954 km (0.065 R)
• M9: 8,296,100 km (0.108 R)
• M10: 9,060,844 km (0.098 R)
• M11: 9,582,641 km (0.049 R)
• M12: 10,554,878 km (0.105 R)
• M13: 11,087,596 km (0.107 R)
• M14: 11,545,216 km (0.091 R)
• M15: 13,502,554 km (0.093 R)
• M16: 14,614,216 km (0.109 R)
• M17: 15,557,879 km (0.102 R)
• M18: 16,482,693 km (0.066 R)
• M19: 17,875,898 km (0.087 R)
• M20: 18,314,968 km (0.109 R)
• M21: 19,942,443 km (0.092 R)
• M22: 21,664,165 km (0.082 R)
• M23: 22,890,120 km (0.109 R)
• M24: 23,333,677 km (0.116 R)
• M25: 24,085,706 km (0.114 R)
• M26: 25,558,796 km (0.118 R)
• M27: 26,036,313 km (0.087 R)
• M28: 28,089,992 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 702.4

Radius: 7.3

Gravity: 13.18 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 11.35 AU - 18.87 AU

Year: 22613 Days

Day: 21.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 83,273,834 km

• M1: 92,751 km (0.069 R)
• M2: 471,233 km (0.111 R)
• M3: 964,457 km (0.093 R)
• M4: 1,801,906 km (0.103 R)
• M5: 2,690,817 km (0.096 R)
• M6: 3,107,447 km (0.066 R)
• M7: 4,270,122 km (0.11 R)
• M8: 5,295,615 km (0.089 R)
• M9: 6,890,777 km (0.107 R)
• M10: 7,176,659 km (0.042 R)
• M11: 7,570,251 km (0.105 R)
• M12: 8,134,833 km (0.117 R)
• M13: 9,580,696 km (0.103 R)
• M14: 10,676,950 km (0.108 R)
• M15: 11,386,792 km (0.1 R)
• M16: 14,856,116 km (0.053 R)
• M17: 18,148,316 km (0.081 R)
• M18: 19,534,340 km (0.076 R)
• M19: 20,011,707 km (0.105 R)
• M20: 22,724,665 km (0.03 R)
• M21: 25,221,303 km (0.081 R)
• M22: 29,238,305 km (0.102 R)
• M23: 30,115,248 km (0.079 R)
• M24: 31,789,996 km (0.057 R)
• M25: 33,525,930 km (0.043 R)
• M26: 34,903,577 km (0.063 R)
• M27: 39,717,487 km (0.1 R)
• M28: 42,203,205 km (0.115 R)
• M29: 44,297,725 km (0.105 R)
• M30: 46,799,300 km (0.101 R)
• M31: 56,199,881 km (0.099 R)
• M32: 58,930,192 km (0.089 R)
• M33: 59,926,214 km (0.114 R)
• M34: 68,521,958 km (0.111 R)
• M35: 70,736,306 km (0.088 R)
• M36: 74,841,720 km (0.093 R)
• M37: 78,381,954 km (0.105 R)
• M38: 82,279,577 km (0.088 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 10,899 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit