🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.47 AU - 0.63 AU

Year: 259 Days

Day: 37.8 Hours

Environment

Temp: -116 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.49 AU - 0.61 AU

Year: 259 Days

Day: 20.8 Hours

Environment

Temp: -113 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.52 AU - 0.82 AU

Year: 349 Days

Day: 12.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493

Radius: 10.5

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.61 AU - 0.75 AU

Year: 357 Days

Day: 13.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 32,318,991 km

• M1: 133,890 km (0.099 R)
• M2: 207,193 km (0.079 R)
• M3: 284,386 km (0.11 R)
• M4: 436,527 km (0.098 R)
• M5: 517,010 km (0.116 R)
• M6: 603,627 km (0.079 R)
• M7: 669,002 km (0.089 R)
• M8: 782,846 km (0.115 R)
• M9: 888,611 km (0.118 R)
• M10: 972,386 km (0.081 R)
• M11: 1,047,035 km (0.058 R)
• M12: 1,132,007 km (0.063 R)
• M13: 1,198,429 km (0.095 R)
• M14: 1,296,266 km (0.098 R)
• M15: 1,401,433 km (0.042 R)
• M16: 1,514,080 km (0.097 R)
• M17: 1,672,355 km (0.06 R)
• M18: 1,739,225 km (0.075 R)
• M19: 1,855,911 km (0.098 R)
• M20: 1,960,181 km (0.119 R)
• M21: 2,061,459 km (0.119 R)
• M22: 2,133,415 km (0.066 R)
• M23: 2,211,505 km (0.071 R)
• M24: 2,317,121 km (0.058 R)
• M25: 2,397,455 km (0.099 R)
• M26: 2,566,501 km (0.092 R)
• M27: 2,779,229 km (0.051 R)
• M28: 2,893,672 km (0.113 R)
• M29: 2,962,935 km (0.116 R)
• M30: 3,115,226 km (0.069 R)
• M31: 3,252,108 km (0.101 R)
• M32: 3,324,364 km (0.057 R)
• M33: 3,612,340 km (0.05 R)
• M34: 3,681,005 km (0.092 R)
• M35: 3,762,686 km (0.094 R)
• M36: 3,857,680 km (0.085 R)
• M37: 3,940,707 km (0.11 R)
• M38: 4,108,406 km (0.088 R)
• M39: 4,245,737 km (0.097 R)
• M40: 4,391,146 km (0.038 R)
• M41: 4,457,867 km (0.097 R)
• M42: 4,592,206 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.2

Radius: 9.8

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.71 AU - 0.91 AU

Year: 464 Days

Day: 11.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 32,318,991 km

• M1: 122,371 km (0.103 R)
• M2: 185,053 km (0.118 R)
• M3: 260,300 km (0.045 R)
• M4: 362,176 km (0.095 R)
• M5: 456,722 km (0.044 R)
• M6: 524,191 km (0.091 R)
• M7: 642,822 km (0.086 R)
• M8: 716,125 km (0.086 R)
• M9: 814,411 km (0.117 R)
• M10: 1,073,963 km (0.079 R)
• M11: 1,218,774 km (0.089 R)
• M12: 1,285,794 km (0.041 R)
• M13: 1,505,852 km (0.07 R)
• M14: 1,567,038 km (0.094 R)
• M15: 1,832,275 km (0.105 R)
• M16: 1,903,932 km (0.051 R)
• M17: 1,976,487 km (0.076 R)
• M18: 2,111,873 km (0.039 R)
• M19: 2,314,728 km (0.113 R)
• M20: 2,603,901 km (0.12 R)
• M21: 2,691,565 km (0.098 R)
• M22: 2,800,921 km (0.118 R)
• M23: 3,031,152 km (0.101 R)
• M24: 3,109,392 km (0.114 R)
• M25: 3,238,644 km (0.054 R)
• M26: 3,436,113 km (0.101 R)
• M27: 3,660,211 km (0.117 R)
• M28: 3,758,796 km (0.105 R)
• M29: 3,866,058 km (0.042 R)
• M30: 4,233,321 km (0.086 R)
• M31: 4,320,985 km (0.098 R)
• M32: 4,393,091 km (0.1 R)
• M33: 4,481,803 km (0.055 R)
• M34: 4,669,249 km (0.1 R)
• M35: 4,735,072 km (0.116 R)
• M36: 4,993,128 km (0.099 R)
• M37: 5,060,447 km (0.074 R)
• M38: 5,196,132 km (0.12 R)
• M39: 5,272,876 km (0.104 R)
• M40: 5,410,506 km (0.055 R)
• M41: 5,523,004 km (0.097 R)
• M42: 5,627,722 km (0.087 R)
• M43: 5,724,213 km (0.093 R)
• M44: 5,821,302 km (0.083 R)
• M45: 5,954,594 km (0.064 R)
• M46: 6,026,101 km (0.068 R)
• M47: 6,115,860 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.5

Radius: 9.4

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.73 AU - 0.93 AU

Year: 481 Days

Day: 9.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,318,991 km

• M1: 118,930 km (0.093 R)
• M2: 185,202 km (0.079 R)
• M3: 245,041 km (0.103 R)
• M4: 335,548 km (0.039 R)
• M5: 544,686 km (0.119 R)
• M6: 627,563 km (0.077 R)
• M7: 830,567 km (0.071 R)
• M8: 932,144 km (0.089 R)
• M9: 991,834 km (0.119 R)
• M10: 1,052,870 km (0.119 R)
• M11: 1,126,322 km (0.071 R)
• M12: 1,190,350 km (0.107 R)
• M13: 1,383,032 km (0.083 R)
• M14: 1,461,571 km (0.101 R)
• M15: 1,548,936 km (0.117 R)
• M16: 1,726,808 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.5

Radius: 14.4

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.07 AU - 1.41 AU

Year: 878 Days

Day: 11.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 32,318,991 km

• M1: 180,415 km (0.062 R)
• M2: 286,330 km (0.109 R)
• M3: 561,441 km (0.103 R)
• M4: 736,470 km (0.105 R)
• M5: 887,115 km (0.079 R)
• M6: 995,873 km (0.041 R)
• M7: 1,097,600 km (0.102 R)
• M8: 1,299,407 km (0.101 R)
• M9: 1,507,199 km (0.082 R)
• M10: 1,626,129 km (0.096 R)
• M11: 1,881,343 km (0.06 R)
• M12: 1,971,999 km (0.117 R)
• M13: 2,087,489 km (0.115 R)
• M14: 2,317,421 km (0.111 R)
• M15: 2,581,162 km (0.039 R)
• M16: 2,716,847 km (0.083 R)
• M17: 3,022,027 km (0.108 R)
• M18: 3,320,175 km (0.049 R)
• M19: 3,590,199 km (0.095 R)
• M20: 3,761,489 km (0.083 R)
• M21: 3,896,725 km (0.106 R)
• M22: 4,142,215 km (0.073 R)
• M23: 4,251,871 km (0.092 R)
• M24: 4,494,668 km (0.11 R)
• M25: 4,710,837 km (0.117 R)
• M26: 4,930,447 km (0.06 R)
• M27: 5,036,212 km (0.12 R)
• M28: 5,521,957 km (0.11 R)
• M29: 5,820,704 km (0.069 R)
• M30: 5,966,412 km (0.099 R)
• M31: 6,261,718 km (0.057 R)
• M32: 6,364,941 km (0.096 R)
• M33: 6,468,911 km (0.084 R)
• M34: 6,620,005 km (0.086 R)
• M35: 6,795,782 km (0.106 R)
• M36: 7,260,284 km (0.112 R)
• M37: 7,417,362 km (0.1 R)
• M38: 7,514,600 km (0.095 R)
• M39: 7,636,822 km (0.104 R)
• M40: 7,772,058 km (0.1 R)
• M41: 7,908,043 km (0.109 R)
• M42: 8,032,358 km (0.033 R)
• M43: 8,157,273 km (0.094 R)
• M44: 8,282,935 km (0.107 R)
• M45: 8,396,629 km (0.109 R)
• M46: 8,523,488 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.7

Radius: 11.2

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.16 AU - 2.22 AU

Year: 2061 Days

Day: 8.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 32,318,991 km

• M1: 139,575 km (0.092 R)
• M2: 280,646 km (0.049 R)
• M3: 507,586 km (0.094 R)
• M4: 613,202 km (0.079 R)
• M5: 709,244 km (0.112 R)
• M6: 830,119 km (0.107 R)
• M7: 1,030,729 km (0.099 R)
• M8: 1,175,390 km (0.09 R)
• M9: 1,309,879 km (0.116 R)
• M10: 1,437,935 km (0.076 R)
• M11: 1,527,843 km (0.109 R)
• M12: 1,650,663 km (0.115 R)
• M13: 1,776,924 km (0.076 R)
• M14: 1,854,266 km (0.071 R)
• M15: 2,161,540 km (0.08 R)
• M16: 2,293,335 km (0.09 R)
• M17: 2,413,612 km (0.095 R)
• M18: 2,485,269 km (0.106 R)
• M19: 2,734,649 km (0.1 R)
• M20: 2,931,071 km (0.107 R)
• M21: 3,038,632 km (0.1 R)
• M22: 3,194,812 km (0.104 R)
• M23: 3,305,664 km (0.08 R)
• M24: 3,787,369 km (0.111 R)
• M25: 3,896,576 km (0.062 R)
• M26: 3,989,775 km (0.111 R)
• M27: 4,109,454 km (0.093 R)
• M28: 4,256,359 km (0.06 R)
• M29: 4,422,711 km (0.091 R)
• M30: 4,618,086 km (0.099 R)
• M31: 4,707,845 km (0.047 R)
• M32: 4,852,656 km (0.11 R)
• M33: 4,962,311 km (0.061 R)
• M34: 5,054,314 km (0.099 R)
• M35: 5,128,215 km (0.042 R)
• M36: 5,286,789 km (0.083 R)
• M37: 5,465,857 km (0.064 R)
• M38: 5,839,702 km (0.079 R)
• M39: 6,005,307 km (0.077 R)
• M40: 6,582,007 km (0.106 R)
• M41: 6,825,852 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48.8

Radius: 5.5

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 8.86 AU - 11.56 AU

Year: 20743 Days

Day: 16.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 32,318,991 km

• M1: 71,358 km (0.084 R)
• M2: 105,616 km (0.078 R)
• M3: 507,286 km (0.107 R)
• M4: 953,686 km (0.105 R)
• M5: 1,027,737 km (0.116 R)
• M6: 1,073,066 km (0.026 R)
• M7: 1,118,992 km (0.108 R)
• M8: 1,228,947 km (0.064 R)
• M9: 1,527,993 km (0.079 R)
• M10: 1,632,711 km (0.114 R)
• M11: 1,812,378 km (0.108 R)
• M12: 2,289,147 km (0.068 R)
• M13: 2,781,623 km (0.116 R)
• M14: 3,172,073 km (0.096 R)
• M15: 3,261,084 km (0.095 R)
• M16: 3,556,390 km (0.108 R)
• M17: 4,148,199 km (0.112 R)
• M18: 4,393,390 km (0.05 R)
• M19: 4,443,057 km (0.117 R)
• M20: 4,975,326 km (0.071 R)
• M21: 5,527,492 km (0.059 R)
• M22: 6,016,228 km (0.076 R)
• M23: 6,575,275 km (0.064 R)
• M24: 6,746,266 km (0.108 R)
• M25: 6,832,284 km (0.04 R)
• M26: 6,947,624 km (0.11 R)
• M27: 7,063,563 km (0.073 R)
• M28: 7,209,421 km (0.116 R)
• M29: 7,593,289 km (0.054 R)
• M30: 7,652,829 km (0.101 R)
• M31: 7,712,668 km (0.108 R)
• M32: 7,923,152 km (0.088 R)
• M33: 8,380,622 km (0.11 R)
• M34: 8,442,257 km (0.115 R)
• M35: 9,067,127 km (0.108 R)
• M36: 9,289,280 km (0.043 R)
• M37: 9,738,971 km (0.096 R)
• M38: 10,195,843 km (0.086 R)
• M39: 10,360,700 km (0.102 R)
• M40: 11,130,381 km (0.046 R)
• M41: 11,573,490 km (0.091 R)
• M42: 12,512,216 km (0.08 R)
• M43: 12,582,677 km (0.091 R)
• M44: 13,187,202 km (0.064 R)
• M45: 13,223,105 km (0.103 R)
• M46: 13,874,155 km (0.042 R)
• M47: 15,395,566 km (0.063 R)
• M48: 15,736,649 km (0.044 R)
• M49: 16,195,166 km (0.058 R)
• M50: 16,464,742 km (0.119 R)
• M51: 16,696,918 km (0.058 R)
• M52: 17,478,716 km (0.112 R)
• M53: 18,312,425 km (0.08 R)
• M54: 19,403,293 km (0.112 R)
• M55: 21,267,581 km (0.087 R)
• M56: 21,859,241 km (0.053 R)
• M57: 22,799,763 km (0.111 R)
• M58: 23,275,035 km (0.113 R)
• M59: 24,147,340 km (0.094 R)
• M60: 24,808,563 km (0.098 R)
• M61: 25,208,288 km (0.087 R)
• M62: 26,239,167 km (0.059 R)
• M63: 26,782,507 km (0.12 R)
• M64: 26,827,985 km (0.12 R)
• M65: 28,018,484 km (0.112 R)
• M66: 28,203,238 km (0.1 R)
• M67: 28,341,915 km (0.098 R)
• M68: 29,413,485 km (0.098 R)
• M69: 29,742,301 km (0.083 R)
• M70: 29,977,917 km (0.12 R)
• M71: 31,500,076 km (0.095 R)
• M72: 31,596,117 km (0.059 R)
• M73: 31,980,883 km (0.077 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 18,114 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit