🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.47 AU - 0.53 AU

Year: 225 Days

Day: 20.3 Hours

Environment

Temp: -112 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,865,940 km

• M1: 22,140 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.1

Radius: 13.2

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.56 AU - 0.9 AU

Year: 397 Days

Day: 8.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,865,940 km

• M1: 168,746 km (0.081 R)
• M2: 586,424 km (0.096 R)
• M3: 1,133,353 km (0.086 R)
• M4: 1,797,418 km (0.098 R)
• M5: 2,555,580 km (0.119 R)
• M6: 3,228,771 km (0.109 R)
• M7: 4,258,154 km (0.113 R)
• M8: 4,887,063 km (0.025 R)
• M9: 5,642,981 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.6

Radius: 9

Gravity: 10.87 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.03 AU - 1.15 AU

Year: 724 Days

Day: 14.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,865,940 km

• M1: 112,198 km (0.106 R)
• M2: 466,297 km (0.114 R)
• M3: 1,202,617 km (0.051 R)
• M4: 1,542,952 km (0.1 R)
• M5: 2,052,184 km (0.111 R)
• M6: 3,503,881 km (0.077 R)
• M7: 3,958,509 km (0.118 R)
• M8: 4,485,393 km (0.067 R)
• M9: 5,022,001 km (0.113 R)
• M10: 5,639,840 km (0.076 R)
• M11: 6,182,132 km (0.082 R)
• M12: 7,208,972 km (0.108 R)
• M13: 8,370,749 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.3

Radius: 11.8

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.05 AU - 1.61 AU

Year: 975 Days

Day: 6.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 31,865,940 km

• M1: 146,756 km (0.109 R)
• M2: 674,088 km (0.118 R)
• M3: 1,077,404 km (0.09 R)
• M4: 1,691,653 km (0.067 R)
• M5: 2,772,348 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.8

Radius: 12.9

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.33 AU - 1.75 AU

Year: 1215 Days

Day: 5.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,865,940 km

• M1: 160,369 km (0.114 R)
• M2: 633,248 km (0.115 R)
• M3: 1,066,483 km (0.084 R)
• M4: 2,212,253 km (0.117 R)
• M5: 2,767,112 km (0.075 R)
• M6: 3,877,876 km (0.096 R)
• M7: 4,349,109 km (0.031 R)
• M8: 4,839,641 km (0.09 R)
• M9: 5,889,369 km (0.095 R)
• M10: 6,584,251 km (0.077 R)
• M11: 7,208,523 km (0.118 R)
• M12: 8,355,041 km (0.096 R)
• M13: 8,829,266 km (0.084 R)
• M14: 10,584,498 km (0.09 R)
• M15: 11,074,132 km (0.092 R)

Asteroid Belt

Center: 1.8 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.8

Radius: 14.8

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.66 AU - 2.46 AU

Year: 1880 Days

Day: 10.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,865,940 km

• M1: 184,903 km (0.06 R)
• M2: 652,696 km (0.041 R)
• M3: 1,289,683 km (0.108 R)
• M4: 2,094,520 km (0.109 R)
• M5: 2,558,722 km (0.089 R)
• M6: 3,988,728 km (0.119 R)
• M7: 5,295,017 km (0.105 R)
• M8: 6,347,737 km (0.099 R)
• M9: 7,033,045 km (0.12 R)
• M10: 8,552,211 km (0.099 R)
• M11: 9,290,028 km (0.081 R)
• M12: 10,070,181 km (0.075 R)
• M13: 11,041,370 km (0.086 R)
• M14: 11,995,505 km (0.084 R)
• M15: 14,024,501 km (0.082 R)
• M16: 14,689,015 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.6

Radius: 8.1

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.17 AU - 5.13 AU

Year: 5375 Days

Day: 11.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 31,865,940 km

• M1: 101,128 km (0.12 R)
• M2: 634,744 km (0.041 R)
• M3: 1,172,698 km (0.09 R)
• M4: 1,590,225 km (0.056 R)
• M5: 2,148,973 km (0.099 R)
• M6: 2,432,910 km (0.111 R)
• M7: 2,814,086 km (0.029 R)
• M8: 3,439,554 km (0.115 R)
• M9: 3,875,482 km (0.074 R)
• M10: 4,130,696 km (0.081 R)
• M11: 4,547,177 km (0.069 R)
• M12: 4,911,148 km (0.037 R)
• M13: 5,407,365 km (0.062 R)
• M14: 5,906,423 km (0.072 R)
• M15: 6,695,552 km (0.059 R)
• M16: 8,755,664 km (0.034 R)
• M17: 9,737,625 km (0.117 R)
• M18: 10,255,383 km (0.036 R)
• M19: 11,298,828 km (0.115 R)
• M20: 12,311,755 km (0.069 R)
• M21: 12,815,002 km (0.102 R)
• M22: 13,970,048 km (0.101 R)
• M23: 15,422,942 km (0.115 R)
• M24: 16,425,846 km (0.108 R)
• M25: 16,851,153 km (0.065 R)
• M26: 17,723,907 km (0.057 R)
• M27: 19,022,267 km (0.094 R)
• M28: 22,026,790 km (0.065 R)
• M29: 23,069,637 km (0.082 R)
• M30: 27,147,077 km (0.043 R)
• M31: 27,656,308 km (0.116 R)
• M32: 27,913,317 km (0.113 R)
• M33: 29,757,260 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.2

Radius: 14.3

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.97 AU - 4.89 AU

Year: 5928 Days

Day: 12.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,865,940 km

• M1: 177,872 km (0.071 R)
• M2: 687,402 km (0.084 R)
• M3: 1,179,878 km (0.101 R)
• M4: 2,215,096 km (0.087 R)
• M5: 3,175,215 km (0.085 R)
• M6: 4,638,581 km (0.101 R)
• M7: 5,394,948 km (0.118 R)
• M8: 6,562,111 km (0.11 R)
• M9: 7,180,399 km (0.111 R)
• M10: 8,334,845 km (0.055 R)
• M11: 9,797,464 km (0.106 R)
• M12: 10,540,367 km (0.12 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.5

Radius: 12.6

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 5.14 AU - 5.6 AU

Year: 7912 Days

Day: 9.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,865,940 km

• M1: 156,779 km (0.082 R)
• M2: 611,706 km (0.09 R)
• M3: 1,255,276 km (0.076 R)
• M4: 1,698,684 km (0.049 R)
• M5: 2,216,741 km (0.116 R)
• M6: 2,695,454 km (0.043 R)
• M7: 3,183,143 km (0.074 R)
• M8: 3,685,493 km (0.117 R)
• M9: 4,666,855 km (0.081 R)
• M10: 6,311,534 km (0.12 R)
• M11: 6,735,495 km (0.069 R)
• M12: 8,430,139 km (0.059 R)
• M13: 8,905,112 km (0.042 R)
• M14: 9,908,765 km (0.092 R)
• M15: 12,090,949 km (0.072 R)
• M16: 13,427,306 km (0.07 R)
• M17: 15,850,044 km (0.087 R)
• M18: 16,821,682 km (0.106 R)
• M19: 18,750,298 km (0.113 R)
• M20: 20,537,394 km (0.11 R)
• M21: 27,429,368 km (0.103 R)
• M22: 28,211,017 km (0.119 R)
• M23: 29,546,776 km (0.088 R)
• M24: 30,831,074 km (0.053 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 13,620 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit