🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

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: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.44 AU - 0.68 AU

Year: 275 Days

Day: 26.8 Hours

Environment

Temp: -118 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 5,525,778 km

• M1: 75,098 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.44 AU - 0.68 AU

Year: 275 Days

Day: 13.3 Hours

Environment

Temp: -116 °C

Axial Tilt: 47 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 5,525,778 km

• M1: 17,952 km (0.115 R)
• M2: 265,087 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.1

Radius: 13.3

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.66 AU - 0.76 AU

Year: 392 Days

Day: 8.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 5,525,778 km

• M1: 166,802 km (0.111 R)
• M2: 263,442 km (0.051 R)
• M3: 386,262 km (0.102 R)
• M4: 499,058 km (0.113 R)
• M5: 631,153 km (0.074 R)
• M6: 753,524 km (0.117 R)
• M7: 852,109 km (0.105 R)
• M8: 961,466 km (0.101 R)
• M9: 1,094,009 km (0.061 R)
• M10: 1,214,286 km (0.118 R)
• M11: 1,412,054 km (0.098 R)
• M12: 1,530,536 km (0.074 R)
• M13: 1,617,303 km (0.112 R)
• M14: 1,723,816 km (0.1 R)
• M15: 1,821,653 km (0.062 R)
• M16: 1,932,804 km (0.047 R)
• M17: 2,053,979 km (0.101 R)
• M18: 2,205,222 km (0.074 R)
• M19: 2,288,249 km (0.085 R)
• M20: 2,384,590 km (0.07 R)
• M21: 2,498,584 km (0.101 R)
• M22: 2,702,785 km (0.081 R)
• M23: 2,791,945 km (0.059 R)
• M24: 2,925,536 km (0.057 R)
• M25: 3,030,554 km (0.095 R)
• M26: 3,118,966 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.6

Radius: 11.9

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.64 AU - 1 AU

Year: 487 Days

Day: 5.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 5,525,778 km

• M1: 150,645 km (0.09 R)
• M2: 226,940 km (0.053 R)
• M3: 324,627 km (0.095 R)
• M4: 409,599 km (0.117 R)
• M5: 530,324 km (0.051 R)
• M6: 617,241 km (0.058 R)
• M7: 701,913 km (0.058 R)
• M8: 791,223 km (0.081 R)
• M9: 905,217 km (0.088 R)
• M10: 985,700 km (0.092 R)
• M11: 1,154,297 km (0.116 R)
• M12: 1,229,246 km (0.111 R)
• M13: 1,322,894 km (0.063 R)
• M14: 1,446,911 km (0.115 R)
• M15: 1,546,244 km (0.12 R)
• M16: 1,625,979 km (0.117 R)
• M17: 1,737,130 km (0.086 R)
• M18: 1,908,719 km (0.052 R)
• M19: 1,994,738 km (0.105 R)
• M20: 2,114,267 km (0.06 R)
• M21: 2,260,873 km (0.032 R)
• M22: 2,356,316 km (0.071 R)
• M23: 2,529,999 km (0.108 R)
• M24: 2,624,994 km (0.115 R)
• M25: 2,708,021 km (0.087 R)
• M26: 2,845,501 km (0.044 R)
• M27: 2,939,897 km (0.031 R)
• M28: 3,021,727 km (0.066 R)
• M29: 3,192,269 km (0.095 R)
• M30: 3,281,130 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.2

Radius: 11.6

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.8 AU - 1.02 AU

Year: 569 Days

Day: 5.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 5,525,778 km

• M1: 150,346 km (0.107 R)
• M2: 249,828 km (0.071 R)
• M3: 385,065 km (0.088 R)
• M4: 469,139 km (0.051 R)
• M5: 565,480 km (0.054 R)
• M6: 767,138 km (0.074 R)
• M7: 895,194 km (0.095 R)
• M8: 1,014,872 km (0.093 R)
• M9: 1,112,559 km (0.103 R)
• M10: 1,312,123 km (0.088 R)
• M11: 1,407,417 km (0.065 R)
• M12: 1,786,199 km (0.093 R)
• M13: 1,885,980 km (0.117 R)
• M14: 2,001,320 km (0.105 R)
• M15: 2,098,260 km (0.094 R)
• M16: 2,175,452 km (0.05 R)
• M17: 2,253,692 km (0.111 R)
• M18: 2,340,309 km (0.062 R)
• M19: 2,420,494 km (0.098 R)
• M20: 2,553,935 km (0.081 R)
• M21: 2,828,297 km (0.109 R)
• M22: 3,080,370 km (0.105 R)
• M23: 3,249,864 km (0.105 R)
• M24: 3,405,895 km (0.038 R)
• M25: 3,505,677 km (0.108 R)
• M26: 3,648,842 km (0.074 R)
• M27: 3,751,017 km (0.117 R)
• M28: 3,837,036 km (0.097 R)
• M29: 4,054,850 km (0.114 R)
• M30: 4,151,939 km (0.115 R)
• M31: 4,267,728 km (0.115 R)
• M32: 4,393,689 km (0.08 R)
• M33: 4,621,677 km (0.064 R)
• M34: 4,732,529 km (0.076 R)
• M35: 4,835,003 km (0.092 R)
• M36: 4,938,076 km (0.11 R)
• M37: 5,042,047 km (0.071 R)
• M38: 5,582,394 km (0.111 R)
• M39: 5,720,323 km (0.073 R)
• M40: 5,989,749 km (0.109 R)
• M41: 6,192,005 km (0.072 R)
• M42: 6,365,689 km (0.077 R)
• M43: 6,458,290 km (0.086 R)
• M44: 6,530,695 km (0.107 R)
• M45: 6,634,516 km (0.089 R)
• M46: 6,738,935 km (0.088 R)
• M47: 6,885,990 km (0.093 R)
• M48: 7,108,741 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.3

Radius: 9.3

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.33 AU - 1.43 AU

Year: 1063 Days

Day: 7.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 5,525,778 km

• M1: 149,149 km (0.069 R)
• M2: 239,955 km (0.112 R)
• M3: 330,013 km (0.118 R)
• M4: 388,206 km (0.1 R)
• M5: 456,423 km (0.115 R)
• M6: 529,576 km (0.078 R)
• M7: 607,218 km (0.026 R)
• M8: 676,332 km (0.067 R)
• M9: 795,711 km (0.11 R)
• M10: 908,209 km (0.039 R)
• M11: 1,048,980 km (0.078 R)
• M12: 1,133,952 km (0.106 R)
• M13: 1,403,078 km (0.114 R)
• M14: 1,462,768 km (0.05 R)
• M15: 1,523,355 km (0.099 R)
• M16: 1,638,396 km (0.062 R)
• M17: 1,747,154 km (0.066 R)
• M18: 1,848,880 km (0.068 R)
• M19: 1,924,277 km (0.028 R)
• M20: 2,127,132 km (0.07 R)
• M21: 2,206,269 km (0.112 R)
• M22: 2,388,031 km (0.088 R)
• M23: 2,501,426 km (0.104 R)
• M24: 2,701,887 km (0.106 R)
• M25: 2,918,505 km (0.092 R)
• M26: 2,995,697 km (0.032 R)
• M27: 3,062,418 km (0.085 R)
• M28: 3,334,237 km (0.093 R)
• M29: 3,438,357 km (0.081 R)
• M30: 3,590,498 km (0.086 R)
• M31: 3,780,787 km (0.094 R)
• M32: 3,889,395 km (0.04 R)
• M33: 3,950,132 km (0.1 R)
• M34: 4,048,118 km (0.118 R)
• M35: 4,283,885 km (0.114 R)
• M36: 4,460,560 km (0.044 R)
• M37: 4,639,628 km (0.119 R)
• M38: 4,743,000 km (0.113 R)
• M39: 4,808,076 km (0.059 R)
• M40: 4,978,468 km (0.099 R)
• M41: 5,406,617 km (0.102 R)
• M42: 5,611,416 km (0.061 R)
• M43: 5,707,907 km (0.071 R)
• M44: 5,777,171 km (0.076 R)
• M45: 6,398,451 km (0.078 R)
• M46: 6,673,411 km (0.089 R)
• M47: 6,731,755 km (0.101 R)
• M48: 6,967,072 km (0.088 R)
• M49: 7,445,636 km (0.043 R)
• M50: 7,780,884 km (0.11 R)
• M51: 8,466,043 km (0.094 R)
• M52: 8,640,474 km (0.085 R)
• M53: 8,880,130 km (0.067 R)
• M54: 9,089,567 km (0.112 R)
• M55: 9,300,799 km (0.118 R)
• M56: 9,529,983 km (0.091 R)
• M57: 9,810,778 km (0.057 R)
• M58: 9,927,315 km (0.052 R)
• M59: 10,161,585 km (0.086 R)
• M60: 10,279,318 km (0.09 R)
• M61: 10,465,418 km (0.096 R)
• M62: 10,755,189 km (0.081 R)
• M63: 10,840,909 km (0.107 R)
• M64: 11,099,564 km (0.119 R)
• M65: 11,869,693 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.7

Radius: 12.8

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.48 AU - 1.92 AU

Year: 1454 Days

Day: 7.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 5,525,778 km

• M1: 189,092 km (0.045 R)
• M2: 387,758 km (0.106 R)
• M3: 502,350 km (0.117 R)
• M4: 745,596 km (0.107 R)
• M5: 876,494 km (0.062 R)
• M6: 1,048,083 km (0.072 R)
• M7: 1,283,251 km (0.1 R)
• M8: 1,488,050 km (0.071 R)
• M9: 1,630,766 km (0.049 R)
• M10: 1,829,732 km (0.077 R)
• M11: 1,999,824 km (0.087 R)
• M12: 2,154,209 km (0.118 R)
• M13: 2,816,030 km (0.102 R)
• M14: 2,900,104 km (0.118 R)
• M15: 2,994,650 km (0.032 R)
• M16: 3,482,938 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.4

Radius: 12

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.63 AU - 2.25 AU

Year: 1773 Days

Day: 14 Hours

Environment

Temp: -196 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 5,525,778 km

• M1: 348,114 km (0.082 R)
• M2: 622,926 km (0.116 R)
• M3: 742,305 km (0.091 R)
• M4: 853,755 km (0.088 R)
• M5: 993,180 km (0.118 R)
• M6: 1,095,206 km (0.113 R)
• M7: 1,499,270 km (0.115 R)
• M8: 1,581,399 km (0.093 R)
• M9: 1,750,594 km (0.093 R)
• M10: 1,832,125 km (0.111 R)
• M11: 2,420,494 km (0.063 R)
• M12: 2,660,598 km (0.064 R)
• M13: 2,869,886 km (0.076 R)
• M14: 2,992,855 km (0.114 R)
• M15: 3,117,620 km (0.077 R)
• M16: 3,298,035 km (0.067 R)
• M17: 3,475,159 km (0.095 R)
• M18: 3,683,399 km (0.053 R)
• M19: 3,996,358 km (0.106 R)
• M20: 4,399,823 km (0.055 R)
• M21: 4,497,211 km (0.046 R)
• M22: 4,785,785 km (0.067 R)
• M23: 4,963,508 km (0.087 R)
• M24: 5,174,890 km (0.085 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: 521 - 11,470 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit