🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.56 AU - 0.6 AU

Year: 285 Days

Day: 44.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.9

Radius: 11.5

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.93 AU - 1.15 AU

Year: 685 Days

Day: 14.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,372,865 km

• M1: 143,016 km (0.101 R)
• M2: 529,576 km (0.096 R)
• M3: 982,409 km (0.07 R)
• M4: 1,343,688 km (0.087 R)
• M5: 2,138,502 km (0.106 R)
• M6: 2,848,792 km (0.064 R)
• M7: 3,307,759 km (0.081 R)
• M8: 3,789,314 km (0.063 R)
• M9: 4,202,354 km (0.078 R)
• M10: 4,706,648 km (0.089 R)
• M11: 5,201,518 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.4

Radius: 12.7

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.73 AU - 1.81 AU

Year: 1520 Days

Day: 9.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,372,865 km

• M1: 160,967 km (0.114 R)
• M2: 902,674 km (0.094 R)
• M3: 1,503,459 km (0.098 R)
• M4: 2,210,009 km (0.119 R)
• M5: 2,726,720 km (0.103 R)
• M6: 3,799,786 km (0.107 R)
• M7: 5,311,323 km (0.086 R)
• M8: 8,390,346 km (0.065 R)
• M9: 8,911,096 km (0.077 R)
• M10: 9,658,487 km (0.09 R)
• M11: 10,138,996 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.9

Radius: 8

Gravity: 13.51 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.05 AU - 3.13 AU

Year: 2691 Days

Day: 11.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,372,865 km

• M1: 99,483 km (0.104 R)
• M2: 674,088 km (0.034 R)
• M3: 1,037,012 km (0.068 R)
• M4: 1,424,321 km (0.062 R)
• M5: 1,692,102 km (0.11 R)
• M6: 1,980,975 km (0.107 R)
• M7: 2,233,047 km (0.103 R)
• M8: 2,536,731 km (0.111 R)
• M9: 2,984,627 km (0.097 R)
• M10: 3,317,931 km (0.111 R)
• M11: 3,935,621 km (0.082 R)
• M12: 5,398,090 km (0.108 R)
• M13: 5,840,899 km (0.119 R)
• M14: 6,710,661 km (0.119 R)
• M15: 7,099,915 km (0.115 R)
• M16: 7,409,732 km (0.047 R)
• M17: 8,089,505 km (0.11 R)
• M18: 8,952,385 km (0.113 R)
• M19: 9,913,252 km (0.11 R)
• M20: 11,229,863 km (0.106 R)
• M21: 13,069,319 km (0.099 R)
• M22: 13,629,712 km (0.062 R)
• M23: 14,157,494 km (0.088 R)
• M24: 14,999,730 km (0.068 R)
• M25: 15,356,072 km (0.086 R)
• M26: 15,822,518 km (0.11 R)
• M27: 18,704,970 km (0.094 R)
• M28: 19,416,756 km (0.06 R)
• M29: 20,393,631 km (0.078 R)
• M30: 20,768,224 km (0.086 R)

Asteroid Belt

Center: 4.21 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.9

Radius: 12.9

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 5.1 AU - 6.54 AU

Year: 9066 Days

Day: 12.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,372,865 km

• M1: 160,369 km (0.061 R)
• M2: 691,591 km (0.116 R)
• M3: 1,531,134 km (0.108 R)
• M4: 3,194,363 km (0.094 R)
• M5: 3,692,524 km (0.12 R)
• M6: 4,846,522 km (0.043 R)
• M7: 5,707,159 km (0.068 R)
• M8: 6,121,246 km (0.108 R)
• M9: 8,154,281 km (0.11 R)
• M10: 8,861,879 km (0.105 R)
• M11: 10,552,634 km (0.113 R)
• M12: 11,830,349 km (0.114 R)
• M13: 13,875,203 km (0.112 R)
• M14: 14,884,390 km (0.107 R)
• M15: 17,549,326 km (0.114 R)
• M16: 19,032,739 km (0.104 R)
• M17: 22,332,419 km (0.09 R)
• M18: 23,366,290 km (0.041 R)
• M19: 24,162,300 km (0.101 R)
• M20: 25,996,071 km (0.06 R)
• M21: 29,019,294 km (0.112 R)
• M22: 30,773,030 km (0.088 R)
• M23: 32,052,840 km (0.103 R)
• M24: 38,011,323 km (0.117 R)
• M25: 39,733,494 km (0.043 R)
• M26: 40,867,595 km (0.117 R)
• M27: 43,997,631 km (0.061 R)
• M28: 44,939,799 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.6

Radius: 5.5

Gravity: 18.8 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.11 AU - 7.47 AU

Year: 10186 Days

Day: 22.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 49,372,865 km

• M1: 68,366 km (0.119 R)
• M2: 261,946 km (0.034 R)
• M3: 508,483 km (0.091 R)
• M4: 1,015,321 km (0.049 R)
• M5: 1,297,911 km (0.105 R)
• M6: 1,795,623 km (0.078 R)
• M7: 2,020,768 km (0.064 R)
• M8: 2,939,149 km (0.106 R)
• M9: 3,183,891 km (0.072 R)
• M10: 3,466,183 km (0.045 R)
• M11: 4,053,953 km (0.092 R)
• M12: 6,144,284 km (0.115 R)
• M13: 6,657,554 km (0.112 R)
• M14: 7,080,467 km (0.03 R)
• M15: 7,937,214 km (0.114 R)
• M16: 8,545,629 km (0.045 R)
• M17: 9,420,328 km (0.088 R)
• M18: 10,002,712 km (0.082 R)
• M19: 10,404,083 km (0.073 R)
• M20: 11,132,176 km (0.111 R)
• M21: 17,564,884 km (0.043 R)
• M22: 18,670,413 km (0.054 R)
• M23: 19,510,106 km (0.069 R)
• M24: 20,215,459 km (0.093 R)
• M25: 21,428,848 km (0.096 R)
• M26: 23,382,446 km (0.1 R)
• M27: 25,359,233 km (0.072 R)
• M28: 29,335,544 km (0.111 R)
• M29: 31,845,796 km (0.088 R)
• M30: 32,061,217 km (0.076 R)
• M31: 36,107,391 km (0.059 R)
• M32: 38,252,475 km (0.116 R)
• M33: 39,356,357 km (0.116 R)
• M34: 41,115,180 km (0.083 R)
• M35: 44,654,067 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 586.7

Radius: 3.6

Gravity: 45.27 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 6 AU - 7.94 AU

Year: 11881 Days

Day: 24.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,372,865 km

• M1: 45,627 km (0.071 R)
• M2: 175,927 km (0.078 R)
• M3: 471,532 km (0.071 R)
• M4: 681,867 km (0.119 R)
• M5: 1,341,295 km (0.08 R)
• M6: 1,748,051 km (0.117 R)
• M7: 2,650,126 km (0.115 R)
• M8: 2,800,323 km (0.116 R)
• M9: 3,261,234 km (0.105 R)
• M10: 5,409,758 km (0.059 R)
• M11: 6,120,946 km (0.11 R)
• M12: 6,733,251 km (0.117 R)
• M13: 10,630,125 km (0.086 R)
• M14: 14,056,066 km (0.077 R)
• M15: 14,846,392 km (0.062 R)
• M16: 18,615,660 km (0.118 R)
• M17: 28,278,336 km (0.083 R)
• M18: 33,757,358 km (0.106 R)
• M19: 40,293,588 km (0.041 R)
• M20: 42,150,995 km (0.114 R)
• M21: 43,925,974 km (0.105 R)
• M22: 48,654,463 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.2

Radius: 8

Gravity: 12.63 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 7.18 AU - 9.68 AU

Year: 15804 Days

Day: 22.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 49,372,865 km

• M1: 110,254 km (0.11 R)
• M2: 359,932 km (0.103 R)
• M3: 820,245 km (0.08 R)
• M4: 1,084,136 km (0.056 R)
• M5: 1,465,162 km (0.109 R)
• M6: 1,773,034 km (0.059 R)
• M7: 2,065,647 km (0.082 R)
• M8: 2,565,454 km (0.08 R)
• M9: 3,747,127 km (0.101 R)
• M10: 4,524,139 km (0.115 R)
• M11: 5,293,072 km (0.097 R)
• M12: 5,747,849 km (0.073 R)
• M13: 6,310,936 km (0.089 R)
• M14: 6,866,243 km (0.062 R)
• M15: 7,500,239 km (0.084 R)
• M16: 7,927,939 km (0.083 R)
• M17: 8,222,049 km (0.107 R)
• M18: 8,523,488 km (0.049 R)
• M19: 10,373,416 km (0.075 R)
• M20: 11,578,576 km (0.114 R)
• M21: 12,541,837 km (0.068 R)
• M22: 13,627,020 km (0.118 R)
• M23: 15,983,336 km (0.068 R)
• M24: 16,772,165 km (0.085 R)
• M25: 25,076,792 km (0.052 R)
• M26: 33,166,895 km (0.12 R)
• M27: 33,420,613 km (0.036 R)
• M28: 34,970,148 km (0.113 R)
• M29: 40,336,672 km (0.068 R)
• M30: 41,208,229 km (0.058 R)
• M31: 42,539,052 km (0.035 R)
• M32: 44,204,076 km (0.029 R)
• M33: 45,598,329 km (0.072 R)
• M34: 61,572,240 km (0.118 R)
• M35: 62,147,892 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 210.1

Radius: 6.4

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 8.84 AU - 10.14 AU

Year: 18876 Days

Day: 19.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 49,372,865 km

• M1: 79,586 km (0.053 R)
• M2: 293,062 km (0.115 R)
• M3: 618,886 km (0.106 R)
• M4: 945,907 km (0.059 R)
• M5: 1,173,296 km (0.112 R)
• M6: 1,725,312 km (0.111 R)
• M7: 4,940,470 km (0.119 R)
• M8: 5,496,974 km (0.07 R)
• M9: 6,580,062 km (0.053 R)
• M10: 7,376,821 km (0.07 R)
• M11: 9,450,696 km (0.105 R)
• M12: 10,887,434 km (0.075 R)
• M13: 13,805,041 km (0.082 R)
• M14: 15,992,910 km (0.056 R)
• M15: 16,699,012 km (0.096 R)
• M16: 18,249,145 km (0.09 R)
• M17: 18,942,082 km (0.085 R)
• M18: 19,572,488 km (0.102 R)
• M19: 21,125,763 km (0.09 R)
• M20: 21,975,478 km (0.1 R)
• M21: 25,698,221 km (0.086 R)
• M22: 25,986,048 km (0.099 R)
• M23: 26,764,106 km (0.027 R)
• M24: 29,715,223 km (0.11 R)
• M25: 31,762,171 km (0.039 R)
• M26: 36,134,318 km (0.12 R)
• M27: 37,717,513 km (0.097 R)
• M28: 41,943,353 km (0.048 R)
• M29: 43,148,215 km (0.073 R)
• M30: 44,101,303 km (0.114 R)
• M31: 45,207,579 km (0.095 R)
• M32: 46,190,587 km (0.119 R)
• M33: 49,077,676 km (0.099 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 19,826 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit