🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.85 AU - 0.89 AU

Year: 296 Days

Day: 47.4 Hours

Environment

Temp: 159 °C

Axial Tilt: 14.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 65,206,369 km

• M1: 209,587 km (0.056 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.47 AU - 2.11 AU

Year: 875 Days

Day: 34.8 Hours

Environment

Temp: -62 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.25 AU - 2.61 AU

Year: 1384 Days

Day: 15.3 Hours

Environment

Temp: -79 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.76 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.4

Radius: 9.4

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.32 AU - 5.86 AU

Year: 4194 Days

Day: 5.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,206,369 km

• M1: 117,135 km (0.098 R)
• M2: 437,723 km (0.109 R)
• M3: 826,379 km (0.073 R)
• M4: 1,741,319 km (0.067 R)
• M5: 2,291,241 km (0.077 R)
• M6: 2,592,531 km (0.106 R)
• M7: 3,604,112 km (0.026 R)
• M8: 4,014,309 km (0.072 R)
• M9: 4,433,782 km (0.103 R)
• M10: 4,905,613 km (0.119 R)
• M11: 5,360,989 km (0.091 R)
• M12: 5,923,328 km (0.067 R)
• M13: 7,439,951 km (0.105 R)
• M14: 8,041,933 km (0.04 R)
• M15: 9,271,478 km (0.113 R)
• M16: 10,272,736 km (0.071 R)
• M17: 11,426,585 km (0.117 R)
• M18: 11,801,776 km (0.112 R)
• M19: 12,576,693 km (0.058 R)
• M20: 13,476,973 km (0.086 R)
• M21: 14,662,237 km (0.116 R)
• M22: 15,761,332 km (0.117 R)
• M23: 17,184,307 km (0.114 R)
• M24: 20,223,538 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.4

Radius: 9.3

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.08 AU - 6.36 AU

Year: 4356 Days

Day: 14.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,206,369 km

• M1: 115,789 km (0.1 R)
• M2: 412,292 km (0.07 R)
• M3: 906,264 km (0.086 R)
• M4: 1,211,444 km (0.089 R)
• M5: 1,505,403 km (0.098 R)
• M6: 2,216,292 km (0.116 R)
• M7: 2,517,283 km (0.117 R)
• M8: 2,924,190 km (0.047 R)
• M9: 3,534,998 km (0.072 R)
• M10: 3,987,980 km (0.094 R)
• M11: 4,394,437 km (0.119 R)
• M12: 6,013,984 km (0.084 R)
• M13: 7,841,023 km (0.092 R)
• M14: 8,546,826 km (0.118 R)
• M15: 10,997,388 km (0.098 R)
• M16: 11,393,523 km (0.072 R)
• M17: 13,339,941 km (0.076 R)
• M18: 14,251,591 km (0.093 R)
• M19: 15,597,074 km (0.047 R)
• M20: 16,557,044 km (0.103 R)
• M21: 17,183,260 km (0.071 R)
• M22: 18,097,453 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.2

Radius: 8.3

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.26 AU - 9.7 AU

Year: 8234 Days

Day: 8.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 65,206,369 km

• M1: 103,971 km (0.085 R)
• M2: 430,692 km (0.11 R)
• M3: 723,754 km (0.105 R)
• M4: 1,265,299 km (0.093 R)
• M5: 1,633,310 km (0.111 R)
• M6: 2,418,399 km (0.079 R)
• M7: 3,206,930 km (0.063 R)
• M8: 3,846,311 km (0.087 R)
• M9: 4,183,355 km (0.103 R)
• M10: 4,455,922 km (0.072 R)
• M11: 4,886,914 km (0.115 R)
• M12: 5,440,875 km (0.052 R)
• M13: 7,316,233 km (0.117 R)
• M14: 7,794,199 km (0.062 R)
• M15: 8,420,864 km (0.078 R)
• M16: 9,727,302 km (0.067 R)
• M17: 12,123,411 km (0.082 R)
• M18: 12,399,569 km (0.087 R)
• M19: 12,793,161 km (0.112 R)
• M20: 13,194,981 km (0.103 R)
• M21: 13,724,109 km (0.091 R)
• M22: 14,267,299 km (0.108 R)
• M23: 15,785,867 km (0.093 R)
• M24: 16,788,023 km (0.106 R)
• M25: 19,667,183 km (0.116 R)
• M26: 20,357,577 km (0.08 R)
• M27: 20,669,639 km (0.058 R)
• M28: 21,705,753 km (0.115 R)
• M29: 25,559,993 km (0.061 R)
• M30: 26,197,878 km (0.068 R)
• M31: 28,368,843 km (0.103 R)
• M32: 34,370,410 km (0.101 R)
• M33: 35,484,017 km (0.119 R)
• M34: 38,136,536 km (0.114 R)
• M35: 39,814,277 km (0.115 R)
• M36: 40,548,204 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.4

Radius: 8

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 9.92 AU - 15.3 AU

Year: 16355 Days

Day: 20.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,206,369 km

• M1: 99,782 km (0.043 R)
• M2: 1,040,453 km (0.1 R)
• M3: 1,509,293 km (0.061 R)
• M4: 4,206,243 km (0.096 R)
• M5: 5,363,084 km (0.118 R)
• M6: 16,205,788 km (0.044 R)
• M7: 18,925,477 km (0.07 R)
• M8: 22,089,771 km (0.098 R)
• M9: 28,331,742 km (0.074 R)
• M10: 30,296,411 km (0.053 R)
• M11: 31,852,977 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 262

Radius: 3.3

Gravity: 24.06 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 10.56 AU - 14.86 AU

Year: 16550 Days

Day: 20.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,206,369 km

• M1: 41,289 km (0.105 R)
• M2: 174,581 km (0.094 R)
• M3: 334,351 km (0.091 R)
• M4: 478,713 km (0.111 R)
• M5: 1,131,857 km (0.111 R)
• M6: 1,421,180 km (0.111 R)
• M7: 1,665,024 km (0.11 R)
• M8: 1,789,041 km (0.111 R)
• M9: 2,038,421 km (0.091 R)
• M10: 2,329,388 km (0.094 R)
• M11: 4,806,580 km (0.079 R)
• M12: 4,963,358 km (0.083 R)
• M13: 6,194,549 km (0.095 R)
• M14: 6,417,749 km (0.106 R)
• M15: 6,919,949 km (0.057 R)
• M16: 7,743,036 km (0.057 R)
• M17: 8,537,700 km (0.103 R)
• M18: 8,907,656 km (0.115 R)
• M19: 10,287,247 km (0.108 R)
• M20: 10,600,356 km (0.115 R)
• M21: 12,378,326 km (0.035 R)
• M22: 15,201,088 km (0.032 R)
• M23: 16,229,574 km (0.112 R)
• M24: 19,992,559 km (0.085 R)
• M25: 20,479,799 km (0.106 R)
• M26: 21,309,469 km (0.037 R)
• M27: 24,114,578 km (0.094 R)
• M28: 24,759,345 km (0.087 R)
• M29: 26,860,597 km (0.068 R)
• M30: 28,156,414 km (0.037 R)
• M31: 34,679,928 km (0.068 R)
• M32: 35,265,005 km (0.082 R)
• M33: 40,960,047 km (0.107 R)
• M34: 42,673,989 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 390

Radius: 4.2

Gravity: 22.11 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 11.14 AU - 15.22 AU

Year: 17477 Days

Day: 16.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,206,369 km

• M1: 54,304 km (0.117 R)
• M2: 246,537 km (0.114 R)
• M3: 434,881 km (0.09 R)
• M4: 600,935 km (0.115 R)
• M5: 1,302,997 km (0.101 R)
• M6: 1,576,313 km (0.116 R)
• M7: 2,198,042 km (0.116 R)
• M8: 2,672,566 km (0.081 R)
• M9: 3,262,430 km (0.027 R)
• M10: 3,416,067 km (0.117 R)
• M11: 3,934,873 km (0.084 R)
• M12: 4,759,905 km (0.115 R)
• M13: 7,207,775 km (0.119 R)
• M14: 7,601,965 km (0.092 R)
• M15: 9,738,522 km (0.095 R)
• M16: 9,950,652 km (0.104 R)
• M17: 10,329,135 km (0.105 R)
• M18: 12,491,422 km (0.071 R)
• M19: 12,995,717 km (0.073 R)
• M20: 15,219,788 km (0.079 R)
• M21: 16,235,408 km (0.082 R)
• M22: 16,608,804 km (0.117 R)
• M23: 17,921,526 km (0.095 R)
• M24: 19,805,262 km (0.057 R)
• M25: 22,639,992 km (0.065 R)
• M26: 27,381,197 km (0.026 R)
• M27: 29,207,339 km (0.116 R)
• M28: 30,884,630 km (0.111 R)
• M29: 33,700,212 km (0.057 R)
• M30: 34,185,507 km (0.114 R)
• M31: 37,066,762 km (0.077 R)
• M32: 38,236,917 km (0.039 R)
• M33: 41,616,183 km (0.098 R)
• M34: 43,021,954 km (0.064 R)
• M35: 48,497,984 km (0.118 R)
• M36: 55,761,709 km (0.113 R)
• M37: 57,296,433 km (0.078 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.6

Radius: 3

Gravity: 19.4 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 16.24 AU - 22.74 AU

Year: 31427 Days

Day: 19.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,206,369 km

• M1: 45,927 km (0.063 R)
• M2: 270,772 km (0.112 R)
• M3: 386,561 km (0.043 R)
• M4: 658,231 km (0.111 R)
• M5: 1,007,542 km (0.104 R)
• M6: 1,209,349 km (0.114 R)
• M7: 1,422,377 km (0.103 R)
• M8: 1,850,226 km (0.114 R)
• M9: 2,192,806 km (0.108 R)
• M10: 3,180,301 km (0.105 R)
• M11: 3,338,276 km (0.115 R)
• M12: 3,756,253 km (0.081 R)
• M13: 4,208,188 km (0.1 R)
• M14: 4,430,939 km (0.106 R)
• M15: 7,704,440 km (0.074 R)
• M16: 9,147,910 km (0.032 R)
• M17: 10,242,218 km (0.086 R)
• M18: 11,238,540 km (0.108 R)
• M19: 22,390,313 km (0.105 R)
• M20: 24,159,458 km (0.071 R)
• M21: 26,231,837 km (0.118 R)
• M22: 33,403,858 km (0.062 R)
• M23: 40,200,688 km (0.115 R)
• M24: 42,215,622 km (0.099 R)
• M25: 43,695,444 km (0.088 R)
• M26: 57,335,179 km (0.036 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 16,940 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit