🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.95 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.7 AU - 2.08 AU

Year: 940 Days

Day: 20.5 Hours

Environment

Temp: -61 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 70,716,878 km

• M1: 42,336 km (0.036 R)
• M2: 742,155 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.89 AU - 2.11 AU

Year: 1023 Days

Day: 35 Hours

Environment

Temp: -62 °C

Axial Tilt: 29.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,716,878 km

• M1: 32,313 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.03 AU - 2.43 AU

Year: 1204 Days

Day: 38.1 Hours

Environment

Temp: -74 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,716,878 km

• M1: 147,653 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.3

Radius: 8.4

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.71 AU - 7.53 AU

Year: 5475 Days

Day: 6.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,716,878 km

• M1: 104,419 km (0.032 R)
• M2: 410,497 km (0.103 R)
• M3: 778,059 km (0.104 R)
• M4: 1,190,649 km (0.109 R)
• M5: 1,685,519 km (0.081 R)
• M6: 2,521,472 km (0.062 R)
• M7: 3,102,660 km (0.08 R)
• M8: 3,749,970 km (0.095 R)
• M9: 5,057,904 km (0.105 R)
• M10: 5,440,725 km (0.072 R)
• M11: 5,953,247 km (0.063 R)
• M12: 6,468,313 km (0.096 R)
• M13: 8,089,505 km (0.056 R)
• M14: 8,507,182 km (0.063 R)
• M15: 9,049,624 km (0.092 R)
• M16: 9,461,766 km (0.038 R)
• M17: 12,339,431 km (0.072 R)
• M18: 17,188,945 km (0.115 R)
• M19: 17,589,867 km (0.115 R)
• M20: 18,950,909 km (0.081 R)
• M21: 19,440,393 km (0.085 R)
• M22: 21,024,634 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.1

Radius: 12.7

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 6.02 AU - 7.16 AU

Year: 6118 Days

Day: 10.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,716,878 km

• M1: 157,975 km (0.039 R)
• M2: 677,230 km (0.088 R)
• M3: 1,395,898 km (0.117 R)
• M4: 1,820,756 km (0.105 R)
• M5: 3,390,785 km (0.076 R)
• M6: 5,233,682 km (0.09 R)
• M7: 6,587,991 km (0.078 R)
• M8: 8,163,855 km (0.083 R)
• M9: 8,566,572 km (0.057 R)
• M10: 11,723,088 km (0.077 R)
• M11: 13,510,483 km (0.076 R)
• M12: 13,919,783 km (0.109 R)
• M13: 16,034,947 km (0.075 R)
• M14: 16,436,168 km (0.085 R)
• M15: 17,199,118 km (0.031 R)
• M16: 20,623,413 km (0.071 R)
• M17: 22,495,331 km (0.119 R)
• M18: 25,628,808 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976

Radius: 9.2

Gravity: 11.53 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 7.35 AU - 7.43 AU

Year: 7265 Days

Day: 15 Hours

Environment

Temp: -151 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,716,878 km

• M1: 114,592 km (0.07 R)
• M2: 577,298 km (0.119 R)
• M3: 896,390 km (0.097 R)
• M4: 1,185,713 km (0.103 R)
• M5: 1,473,240 km (0.078 R)
• M6: 1,808,189 km (0.108 R)
• M7: 2,370,677 km (0.111 R)
• M8: 2,693,360 km (0.028 R)
• M9: 3,110,888 km (0.113 R)
• M10: 4,346,267 km (0.07 R)
• M11: 6,018,322 km (0.081 R)
• M12: 7,387,292 km (0.11 R)
• M13: 8,123,613 km (0.104 R)
• M14: 8,422,809 km (0.091 R)
• M15: 10,475,890 km (0.091 R)
• M16: 10,933,809 km (0.082 R)
• M17: 11,889,440 km (0.119 R)
• M18: 12,387,751 km (0.088 R)
• M19: 12,899,824 km (0.047 R)
• M20: 14,521,166 km (0.064 R)
• M21: 15,413,368 km (0.103 R)
• M22: 17,947,107 km (0.111 R)
• M23: 19,502,326 km (0.083 R)
• M24: 20,430,282 km (0.091 R)
• M25: 21,877,043 km (0.097 R)
• M26: 23,823,611 km (0.106 R)
• M27: 27,192,854 km (0.102 R)
• M28: 28,546,565 km (0.084 R)
• M29: 39,916,601 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349

Radius: 13.1

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 7.24 AU - 10.8 AU

Year: 9797 Days

Day: 12.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,716,878 km

• M1: 163,062 km (0.066 R)
• M2: 1,501,963 km (0.079 R)
• M3: 2,052,184 km (0.104 R)
• M4: 2,569,343 km (0.098 R)
• M5: 3,029,058 km (0.091 R)
• M6: 4,321,284 km (0.106 R)
• M7: 4,891,252 km (0.094 R)
• M8: 5,419,482 km (0.045 R)
• M9: 8,003,785 km (0.058 R)
• M10: 8,448,241 km (0.1 R)
• M11: 9,609,868 km (0.043 R)
• M12: 10,299,664 km (0.073 R)
• M13: 11,726,977 km (0.106 R)
• M14: 12,569,063 km (0.082 R)
• M15: 13,507,341 km (0.069 R)
• M16: 14,256,079 km (0.113 R)
• M17: 15,585,854 km (0.067 R)
• M18: 16,089,401 km (0.091 R)
• M19: 18,213,242 km (0.035 R)
• M20: 20,443,147 km (0.08 R)
• M21: 22,369,818 km (0.108 R)
• M22: 24,923,304 km (0.102 R)
• M23: 31,095,713 km (0.113 R)
• M24: 35,336,513 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.6

Radius: 10.2

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.6 AU - 10.58 AU

Year: 9911 Days

Day: 7.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,716,878 km

• M1: 127,308 km (0.083 R)
• M2: 445,802 km (0.065 R)
• M3: 828,174 km (0.087 R)
• M4: 1,370,466 km (0.111 R)
• M5: 2,926,134 km (0.035 R)
• M6: 3,572,846 km (0.047 R)
• M7: 4,807,926 km (0.113 R)
• M8: 6,154,157 km (0.093 R)
• M9: 6,654,562 km (0.063 R)
• M10: 8,171,335 km (0.108 R)
• M11: 9,289,729 km (0.08 R)
• M12: 10,419,791 km (0.116 R)
• M13: 11,780,533 km (0.11 R)
• M14: 12,701,458 km (0.081 R)
• M15: 13,205,004 km (0.044 R)
• M16: 14,741,075 km (0.111 R)
• M17: 15,185,081 km (0.092 R)
• M18: 15,580,768 km (0.081 R)
• M19: 16,630,197 km (0.12 R)
• M20: 17,050,717 km (0.117 R)
• M21: 17,975,830 km (0.11 R)
• M22: 20,264,378 km (0.071 R)
• M23: 20,744,438 km (0.093 R)
• M24: 21,513,969 km (0.089 R)
• M25: 22,961,777 km (0.105 R)
• M26: 27,946,827 km (0.072 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.3

Radius: 8.8

Gravity: 9.21 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 8.29 AU - 10.43 AU

Year: 10356 Days

Day: 7.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,716,878 km

• M1: 109,954 km (0.087 R)
• M2: 667,207 km (0.06 R)
• M3: 1,043,445 km (0.106 R)
• M4: 1,616,555 km (0.045 R)
• M5: 2,164,831 km (0.1 R)
• M6: 3,554,445 km (0.119 R)
• M7: 5,066,581 km (0.058 R)
• M8: 6,576,322 km (0.111 R)
• M9: 7,248,914 km (0.075 R)
• M10: 7,665,544 km (0.075 R)
• M11: 8,501,049 km (0.064 R)
• M12: 9,542,998 km (0.099 R)
• M13: 9,841,446 km (0.101 R)
• M14: 10,404,682 km (0.072 R)
• M15: 11,262,176 km (0.06 R)
• M16: 14,900,546 km (0.098 R)
• M17: 19,973,859 km (0.069 R)
• M18: 23,657,557 km (0.073 R)
• M19: 24,205,235 km (0.031 R)
• M20: 24,482,140 km (0.088 R)
• M21: 26,285,692 km (0.106 R)
• M22: 26,971,898 km (0.094 R)
• M23: 27,770,750 km (0.108 R)
• M24: 28,176,011 km (0.066 R)
• M25: 30,799,060 km (0.066 R)
• M26: 32,003,173 km (0.077 R)
• M27: 33,352,247 km (0.117 R)
• M28: 36,163,340 km (0.119 R)
• M29: 42,653,943 km (0.053 R)
• M30: 44,424,584 km (0.112 R)
• M31: 46,956,228 km (0.042 R)
• M32: 48,403,588 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 251.9

Radius: 4.4

Gravity: 13.01 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 15.63 AU - 22.03 AU

Year: 29551 Days

Day: 22.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,716,878 km

• M1: 146,157 km (0.116 R)
• M2: 288,425 km (0.119 R)
• M3: 870,360 km (0.115 R)
• M4: 1,093,860 km (0.109 R)
• M5: 2,284,359 km (0.074 R)
• M6: 3,751,316 km (0.058 R)
• M7: 3,932,030 km (0.105 R)
• M8: 4,150,294 km (0.06 R)
• M9: 7,627,696 km (0.066 R)
• M10: 14,715,344 km (0.116 R)
• M11: 22,866,483 km (0.097 R)
• M12: 28,688,683 km (0.063 R)
• M13: 35,159,240 km (0.086 R)
• M14: 44,686,978 km (0.103 R)
• M15: 54,186,294 km (0.062 R)
• M16: 55,078,495 km (0.103 R)
• M17: 60,066,537 km (0.083 R)
• M18: 63,949,649 km (0.045 R)
• M19: 68,618,150 km (0.1 R)
• M20: 70,716,858 km (0.076 R)

Kuiper Belt

Range: 30.3 - 54.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 15,773 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit