🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.1

Radius: 14.6

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.79 AU - 1.07 AU

Year: 579 Days

Day: 14.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,868,457 km

• M1: 181,761 km (0.111 R)
• M2: 639,980 km (0.105 R)
• M3: 1,271,283 km (0.08 R)
• M4: 1,909,916 km (0.03 R)
• M5: 2,453,405 km (0.072 R)
• M6: 3,572,696 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.6

Radius: 9.1

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.99 AU - 1.03 AU

Year: 655 Days

Day: 5.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,868,457 km

• M1: 113,694 km (0.097 R)
• M2: 407,505 km (0.066 R)
• M3: 690,993 km (0.077 R)
• M4: 1,426,416 km (0.12 R)
• M5: 1,771,987 km (0.085 R)
• M6: 2,126,983 km (0.109 R)
• M7: 2,560,667 km (0.071 R)
• M8: 3,879,522 km (0.095 R)
• M9: 4,240,501 km (0.043 R)
• M10: 5,114,302 km (0.025 R)
• M11: 5,603,039 km (0.037 R)
• M12: 7,003,574 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.6

Radius: 13.6

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1 AU - 1.16 AU

Year: 725 Days

Day: 5.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,868,457 km

• M1: 169,195 km (0.095 R)
• M2: 843,433 km (0.053 R)
• M3: 1,294,171 km (0.096 R)
• M4: 1,834,818 km (0.11 R)
• M5: 3,039,530 km (0.117 R)
• M6: 3,837,784 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.8

Radius: 13.7

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.2 AU - 1.74 AU

Year: 1151 Days

Day: 8.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,868,457 km

• M1: 170,392 km (0.033 R)
• M2: 648,507 km (0.114 R)
• M3: 1,089,820 km (0.077 R)
• M4: 1,582,745 km (0.029 R)
• M5: 2,237,535 km (0.094 R)
• M6: 2,685,731 km (0.029 R)
• M7: 3,735,908 km (0.11 R)
• M8: 4,355,991 km (0.081 R)
• M9: 5,083,186 km (0.102 R)
• M10: 5,846,883 km (0.065 R)
• M11: 7,474,658 km (0.048 R)
• M12: 11,745,976 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.9

Radius: 8.9

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.21 AU - 2.49 AU

Year: 2326 Days

Day: 10.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,868,457 km

• M1: 116,836 km (0.106 R)
• M2: 417,528 km (0.072 R)
• M3: 898,186 km (0.114 R)
• M4: 1,673,103 km (0.09 R)
• M5: 1,962,874 km (0.102 R)
• M6: 2,397,755 km (0.099 R)
• M7: 3,333,340 km (0.085 R)
• M8: 3,831,800 km (0.088 R)
• M9: 4,475,220 km (0.066 R)
• M10: 4,792,517 km (0.108 R)
• M11: 5,743,511 km (0.03 R)
• M12: 6,215,343 km (0.111 R)
• M13: 6,560,764 km (0.118 R)
• M14: 8,514,662 km (0.094 R)
• M15: 10,863,049 km (0.067 R)
• M16: 11,585,308 km (0.105 R)
• M17: 12,377,728 km (0.094 R)
• M18: 13,902,729 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41

Radius: 9.4

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4 AU - 4.42 AU

Year: 5577 Days

Day: 12.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,868,457 km

• M1: 117,584 km (0.117 R)
• M2: 440,117 km (0.059 R)
• M3: 1,160,131 km (0.105 R)
• M4: 1,570,778 km (0.105 R)
• M5: 2,754,994 km (0.069 R)
• M6: 3,279,335 km (0.111 R)
• M7: 3,988,130 km (0.071 R)
• M8: 8,292,060 km (0.116 R)
• M9: 9,020,752 km (0.091 R)
• M10: 9,323,837 km (0.093 R)
• M11: 12,109,948 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526

Radius: 11.7

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.77 AU - 4.75 AU

Year: 5677 Days

Day: 11 Hours

Environment

Temp: -203 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,868,457 km

• M1: 145,559 km (0.113 R)
• M2: 534,214 km (0.11 R)
• M3: 1,662,481 km (0.092 R)
• M4: 2,526,708 km (0.052 R)
• M5: 3,156,665 km (0.119 R)
• M6: 3,934,274 km (0.094 R)
• M7: 4,429,892 km (0.116 R)
• M8: 5,433,245 km (0.12 R)
• M9: 6,327,691 km (0.072 R)
• M10: 8,370,150 km (0.107 R)
• M11: 9,645,772 km (0.111 R)
• M12: 11,370,485 km (0.07 R)
• M13: 11,748,370 km (0.078 R)
• M14: 13,034,612 km (0.079 R)
• M15: 13,711,842 km (0.103 R)
• M16: 15,826,856 km (0.119 R)
• M17: 17,146,310 km (0.1 R)
• M18: 18,087,131 km (0.103 R)
• M19: 18,472,943 km (0.113 R)
• M20: 19,731,211 km (0.097 R)
• M21: 20,346,806 km (0.096 R)
• M22: 23,618,661 km (0.116 R)
• M23: 28,419,556 km (0.109 R)
• M24: 28,853,989 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 270.6

Radius: 7.3

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 7.39 AU - 8.75 AU

Year: 14802 Days

Day: 19.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,868,457 km

• M1: 105,167 km (0.09 R)
• M2: 408,402 km (0.115 R)
• M3: 829,071 km (0.12 R)
• M4: 1,191,248 km (0.113 R)
• M5: 1,422,825 km (0.099 R)
• M6: 3,074,685 km (0.117 R)
• M7: 3,372,834 km (0.099 R)
• M8: 4,217,463 km (0.1 R)
• M9: 4,557,350 km (0.108 R)
• M10: 5,421,576 km (0.083 R)
• M11: 5,997,079 km (0.115 R)
• M12: 8,489,230 km (0.078 R)
• M13: 8,939,969 km (0.093 R)
• M14: 9,171,097 km (0.096 R)
• M15: 9,406,415 km (0.118 R)
• M16: 10,236,533 km (0.055 R)
• M17: 10,489,803 km (0.106 R)
• M18: 10,747,111 km (0.09 R)
• M19: 12,324,172 km (0.092 R)
• M20: 12,901,919 km (0.089 R)
• M21: 13,197,674 km (0.025 R)
• M22: 16,546,123 km (0.113 R)
• M23: 23,345,197 km (0.111 R)
• M24: 27,499,829 km (0.092 R)
• M25: 39,923,483 km (0.057 R)
• M26: 43,262,507 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343

Radius: 7.6

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.34 AU - 10.28 AU

Year: 16884 Days

Day: 19 Hours

Environment

Temp: -235 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,868,457 km

• M1: 96,640 km (0.093 R)
• M2: 531,970 km (0.116 R)
• M3: 784,790 km (0.074 R)
• M4: 1,052,421 km (0.086 R)
• M5: 1,578,407 km (0.108 R)
• M6: 3,097,723 km (0.059 R)
• M7: 3,973,170 km (0.09 R)
• M8: 5,546,491 km (0.114 R)
• M9: 8,160,863 km (0.099 R)
• M10: 8,815,803 km (0.104 R)
• M11: 11,907,093 km (0.111 R)
• M12: 14,350,475 km (0.088 R)
• M13: 17,487,093 km (0.059 R)
• M14: 18,337,258 km (0.035 R)
• M15: 20,455,863 km (0.076 R)
• M16: 25,270,072 km (0.116 R)
• M17: 25,759,856 km (0.07 R)
• M18: 30,017,710 km (0.077 R)
• M19: 33,415,078 km (0.113 R)
• M20: 35,571,830 km (0.077 R)
• M21: 37,438,662 km (0.09 R)
• M22: 37,947,295 km (0.032 R)
• M23: 40,028,052 km (0.045 R)
• M24: 43,011,781 km (0.114 R)
• M25: 44,842,859 km (0.038 R)
• M26: 45,560,630 km (0.089 R)
• M27: 50,337,589 km (0.085 R)
• M28: 52,687,472 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 493.9

Radius: 3.3

Gravity: 45.35 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 8.82 AU - 11.38 AU

Year: 20725 Days

Day: 18 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,868,457 km

• M1: 41,289 km (0.098 R)
• M2: 448,345 km (0.062 R)
• M3: 774,468 km (0.108 R)
• M4: 1,055,413 km (0.089 R)
• M5: 1,525,150 km (0.111 R)
• M6: 1,691,802 km (0.117 R)
• M7: 1,833,621 km (0.117 R)
• M8: 2,223,623 km (0.107 R)
• M9: 2,983,879 km (0.096 R)
• M10: 3,578,082 km (0.047 R)
• M11: 4,509,927 km (0.026 R)
• M12: 5,989,151 km (0.084 R)
• M13: 6,361,799 km (0.087 R)
• M14: 6,575,275 km (0.108 R)
• M15: 7,107,245 km (0.097 R)
• M16: 7,715,211 km (0.078 R)
• M17: 9,358,244 km (0.098 R)
• M18: 10,554,878 km (0.102 R)
• M19: 18,865,488 km (0.059 R)
• M20: 21,136,683 km (0.106 R)
• M21: 21,420,919 km (0.091 R)
• M22: 24,094,682 km (0.095 R)
• M23: 25,779,603 km (0.084 R)
• M24: 28,566,761 km (0.03 R)
• M25: 34,077,946 km (0.116 R)
• M26: 35,259,021 km (0.042 R)
• M27: 41,873,042 km (0.115 R)
• M28: 51,115,049 km (0.115 R)
• M29: 54,592,302 km (0.083 R)
• M30: 58,223,940 km (0.085 R)
• M31: 60,288,241 km (0.092 R)
• M32: 65,963,386 km (0.111 R)
• M33: 66,570,155 km (0.03 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: 179 - 18,997 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit