🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.52 AU - 0.52 AU

Year: 238 Days

Day: 20.3 Hours

Environment

Temp: -119 °C

Axial Tilt: 44.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.2

Radius: 8.2

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.94 AU - 1 AU

Year: 607 Days

Day: 5.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,506,630 km

• M1: 102,026 km (0.06 R)
• M2: 589,565 km (0.086 R)
• M3: 935,884 km (0.109 R)
• M4: 1,282,353 km (0.095 R)
• M5: 1,885,681 km (0.086 R)
• M6: 2,554,384 km (0.116 R)
• M7: 2,867,193 km (0.095 R)
• M8: 3,736,656 km (0.113 R)
• M9: 4,099,430 km (0.087 R)
• M10: 5,968,656 km (0.036 R)

Asteroid Belt

Center: 1.37 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.2

Radius: 9.5

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.65 AU - 1.87 AU

Year: 1485 Days

Day: 15 Hours

Environment

Temp: -181 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,506,630 km

• M1: 118,332 km (0.062 R)
• M2: 432,936 km (0.088 R)
• M3: 773,421 km (0.086 R)
• M4: 1,089,671 km (0.083 R)
• M5: 1,421,479 km (0.107 R)
• M6: 1,755,980 km (0.093 R)
• M7: 2,527,007 km (0.107 R)
• M8: 2,982,982 km (0.064 R)
• M9: 3,331,545 km (0.098 R)
• M10: 4,384,564 km (0.109 R)
• M11: 4,780,998 km (0.055 R)
• M12: 5,280,206 km (0.115 R)
• M13: 6,270,694 km (0.117 R)
• M14: 6,588,440 km (0.115 R)
• M15: 8,207,538 km (0.089 R)
• M16: 8,924,261 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.6

Radius: 10.4

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.81 AU - 2.87 AU

Year: 2276 Days

Day: 6.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,506,630 km

• M1: 129,402 km (0.111 R)
• M2: 477,217 km (0.106 R)
• M3: 874,250 km (0.106 R)
• M4: 1,802,954 km (0.102 R)
• M5: 2,378,905 km (0.084 R)
• M6: 2,959,943 km (0.113 R)
• M7: 4,136,830 km (0.088 R)
• M8: 5,165,315 km (0.044 R)
• M9: 5,777,769 km (0.112 R)
• M10: 6,886,439 km (0.102 R)
• M11: 8,003,935 km (0.118 R)
• M12: 8,589,311 km (0.041 R)
• M13: 9,736,727 km (0.054 R)
• M14: 10,480,228 km (0.12 R)
• M15: 15,213,505 km (0.088 R)
• M16: 15,859,169 km (0.107 R)
• M17: 17,365,321 km (0.072 R)
• M18: 17,797,210 km (0.093 R)
• M19: 18,964,821 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.1

Radius: 10.6

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.48 AU - 2.76 AU

Year: 2696 Days

Day: 12.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,506,630 km

• M1: 134,638 km (0.066 R)
• M2: 588,668 km (0.085 R)
• M3: 1,263,055 km (0.079 R)
• M4: 3,297,735 km (0.031 R)
• M5: 3,636,724 km (0.031 R)
• M6: 4,260,697 km (0.088 R)
• M7: 4,620,480 km (0.118 R)
• M8: 5,474,384 km (0.036 R)
• M9: 6,268,300 km (0.085 R)
• M10: 6,623,147 km (0.071 R)
• M11: 7,078,522 km (0.107 R)
• M12: 7,646,396 km (0.113 R)
• M13: 9,216,874 km (0.082 R)
• M14: 9,640,984 km (0.037 R)
• M15: 10,041,308 km (0.032 R)
• M16: 10,566,696 km (0.1 R)
• M17: 11,309,001 km (0.069 R)
• M18: 12,594,196 km (0.093 R)
• M19: 13,294,464 km (0.096 R)
• M20: 16,875,687 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.5

Radius: 9.2

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.21 AU - 4.31 AU

Year: 5590 Days

Day: 6.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,506,630 km

• M1: 115,041 km (0.061 R)
• M2: 823,237 km (0.099 R)
• M3: 1,297,313 km (0.114 R)
• M4: 2,613,176 km (0.051 R)
• M5: 2,970,415 km (0.097 R)
• M6: 3,579,129 km (0.096 R)
• M7: 6,907,682 km (0.087 R)
• M8: 7,936,017 km (0.067 R)
• M9: 9,147,760 km (0.092 R)
• M10: 10,021,412 km (0.071 R)
• M11: 10,806,801 km (0.046 R)
• M12: 12,292,158 km (0.068 R)
• M13: 12,657,476 km (0.092 R)
• M14: 12,976,269 km (0.11 R)
• M15: 14,134,904 km (0.105 R)
• M16: 15,181,641 km (0.115 R)
• M17: 15,969,124 km (0.041 R)
• M18: 16,467,135 km (0.09 R)
• M19: 18,837,513 km (0.111 R)
• M20: 20,393,032 km (0.046 R)
• M21: 22,032,475 km (0.097 R)
• M22: 23,437,798 km (0.12 R)
• M23: 23,838,570 km (0.104 R)
• M24: 27,832,085 km (0.063 R)
• M25: 28,644,551 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.5

Radius: 11.4

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.33 AU - 5.95 AU

Year: 7409 Days

Day: 13.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 173.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,506,630 km

• M1: 143,464 km (0.047 R)
• M2: 588,967 km (0.092 R)
• M3: 987,944 km (0.117 R)
• M4: 2,328,640 km (0.048 R)
• M5: 4,340,732 km (0.081 R)
• M6: 5,295,465 km (0.064 R)
• M7: 5,664,224 km (0.108 R)
• M8: 6,419,394 km (0.081 R)
• M9: 6,983,229 km (0.086 R)
• M10: 8,622,073 km (0.112 R)
• M11: 9,486,749 km (0.119 R)
• M12: 11,901,408 km (0.104 R)
• M13: 17,367,415 km (0.094 R)
• M14: 24,477,503 km (0.081 R)
• M15: 25,679,671 km (0.114 R)
• M16: 27,464,972 km (0.096 R)
• M17: 30,101,336 km (0.084 R)
• M18: 33,212,074 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 810.4

Radius: 4.2

Gravity: 45.94 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 7.14 AU - 8.94 AU

Year: 14495 Days

Day: 22.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 63.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,506,630 km

• M1: 145,858 km (0.101 R)
• M2: 469,737 km (0.104 R)
• M3: 851,960 km (0.088 R)
• M4: 1,153,549 km (0.116 R)
• M5: 1,585,887 km (0.064 R)
• M6: 2,003,714 km (0.099 R)
• M7: 2,693,210 km (0.062 R)
• M8: 3,783,480 km (0.109 R)
• M9: 6,702,433 km (0.047 R)
• M10: 8,210,829 km (0.104 R)
• M11: 12,004,032 km (0.032 R)
• M12: 14,065,940 km (0.081 R)
• M13: 14,923,734 km (0.053 R)
• M14: 16,821,533 km (0.098 R)
• M15: 19,217,791 km (0.063 R)
• M16: 28,307,956 km (0.041 R)
• M17: 30,251,981 km (0.052 R)
• M18: 31,316,369 km (0.049 R)
• M19: 32,039,675 km (0.057 R)
• M20: 36,881,261 km (0.107 R)
• M21: 41,462,546 km (0.088 R)
• M22: 45,175,415 km (0.108 R)
• M23: 45,943,600 km (0.059 R)
• M24: 60,741,971 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.9

Radius: 6.8

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 7.18 AU - 9.68 AU

Year: 15562 Days

Day: 15.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,506,630 km

• M1: 85,570 km (0.088 R)
• M2: 299,196 km (0.033 R)
• M3: 574,306 km (0.113 R)
• M4: 1,143,825 km (0.104 R)
• M5: 1,398,142 km (0.085 R)
• M6: 2,148,973 km (0.037 R)
• M7: 2,437,996 km (0.1 R)
• M8: 2,666,283 km (0.073 R)
• M9: 3,118,218 km (0.111 R)
• M10: 4,783,990 km (0.105 R)
• M11: 5,953,995 km (0.06 R)
• M12: 6,566,000 km (0.118 R)
• M13: 8,050,011 km (0.094 R)
• M14: 9,693,194 km (0.119 R)
• M15: 10,004,806 km (0.107 R)
• M16: 10,376,856 km (0.112 R)
• M17: 12,992,276 km (0.114 R)
• M18: 13,757,469 km (0.062 R)
• M19: 16,896,332 km (0.085 R)
• M20: 18,040,606 km (0.099 R)
• M21: 18,992,347 km (0.094 R)
• M22: 19,810,797 km (0.107 R)
• M23: 23,413,114 km (0.071 R)
• M24: 32,920,208 km (0.09 R)
• M25: 40,691,219 km (0.088 R)
• M26: 41,502,339 km (0.118 R)
• M27: 42,739,364 km (0.099 R)
• M28: 46,157,825 km (0.096 R)
• M29: 48,384,290 km (0.117 R)
• M30: 54,343,521 km (0.084 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: 449 - 17,148 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit