🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.86 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.4

Radius: 12.4

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.67 AU - 1.77 AU

Year: 1530 Days

Day: 8.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,343,760 km

• M1: 154,684 km (0.109 R)
• M2: 543,938 km (0.069 R)
• M3: 982,559 km (0.111 R)
• M4: 1,430,904 km (0.119 R)
• M5: 1,948,961 km (0.103 R)
• M6: 2,555,880 km (0.119 R)
• M7: 3,028,310 km (0.088 R)
• M8: 3,862,767 km (0.045 R)
• M9: 4,267,279 km (0.091 R)
• M10: 4,664,611 km (0.083 R)
• M11: 5,819,357 km (0.058 R)
• M12: 7,108,592 km (0.097 R)
• M13: 8,418,770 km (0.039 R)
• M14: 9,019,256 km (0.048 R)
• M15: 9,913,851 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.2

Radius: 8.8

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.77 AU - 2.35 AU

Year: 2005 Days

Day: 6.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,343,760 km

• M1: 110,852 km (0.104 R)
• M2: 538,253 km (0.1 R)
• M3: 884,423 km (0.058 R)
• M4: 2,003,863 km (0.091 R)
• M5: 3,914,976 km (0.089 R)
• M6: 4,376,486 km (0.092 R)
• M7: 5,810,680 km (0.047 R)
• M8: 6,131,568 km (0.067 R)
• M9: 7,137,614 km (0.117 R)
• M10: 7,448,478 km (0.047 R)
• M11: 7,738,997 km (0.103 R)
• M12: 8,036,996 km (0.094 R)
• M13: 8,311,658 km (0.098 R)
• M14: 8,592,752 km (0.07 R)
• M15: 9,140,879 km (0.116 R)
• M16: 9,849,973 km (0.083 R)
• M17: 10,342,898 km (0.066 R)
• M18: 10,888,930 km (0.045 R)
• M19: 12,038,889 km (0.093 R)
• M20: 13,015,613 km (0.084 R)
• M21: 14,265,204 km (0.089 R)
• M22: 15,973,163 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473

Radius: 8.8

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.8 AU - 2.44 AU

Year: 2094 Days

Day: 12.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,343,760 km

• M1: 109,506 km (0.116 R)
• M2: 750,682 km (0.088 R)
• M3: 1,728,903 km (0.115 R)
• M4: 2,316,972 km (0.041 R)
• M5: 2,841,163 km (0.114 R)
• M6: 5,461,669 km (0.12 R)
• M7: 5,830,577 km (0.109 R)
• M8: 6,142,638 km (0.116 R)
• M9: 7,038,580 km (0.104 R)
• M10: 9,312,617 km (0.075 R)
• M11: 11,693,766 km (0.049 R)
• M12: 12,702,804 km (0.066 R)
• M13: 13,187,651 km (0.093 R)
• M14: 13,853,212 km (0.088 R)
• M15: 14,280,463 km (0.069 R)
• M16: 14,760,523 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.5

Radius: 12.5

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.46 AU - 2.64 AU

Year: 2762 Days

Day: 10.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,343,760 km

• M1: 155,432 km (0.078 R)
• M2: 562,638 km (0.103 R)
• M3: 1,254,827 km (0.107 R)
• M4: 1,764,956 km (0.056 R)
• M5: 2,973,407 km (0.097 R)
• M6: 3,412,926 km (0.098 R)
• M7: 4,491,078 km (0.102 R)
• M8: 5,195,534 km (0.097 R)
• M9: 5,705,064 km (0.098 R)
• M10: 6,247,955 km (0.117 R)
• M11: 7,126,693 km (0.097 R)
• M12: 7,660,309 km (0.084 R)
• M13: 8,086,363 km (0.105 R)
• M14: 9,166,460 km (0.084 R)
• M15: 9,609,419 km (0.114 R)
• M16: 13,216,822 km (0.07 R)
• M17: 13,783,200 km (0.1 R)
• M18: 14,267,598 km (0.075 R)
• M19: 15,947,133 km (0.107 R)
• M20: 20,310,753 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300

Radius: 12.7

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.39 AU - 2.85 AU

Year: 2876 Days

Day: 13.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,343,760 km

• M1: 157,975 km (0.049 R)
• M2: 831,166 km (0.111 R)
• M3: 1,248,245 km (0.074 R)
• M4: 1,788,293 km (0.115 R)
• M5: 4,693,184 km (0.099 R)
• M6: 5,095,603 km (0.065 R)
• M7: 5,730,945 km (0.116 R)
• M8: 7,581,321 km (0.117 R)
• M9: 8,107,905 km (0.101 R)
• M10: 8,975,573 km (0.098 R)
• M11: 9,733,885 km (0.054 R)
• M12: 10,251,044 km (0.088 R)
• M13: 10,786,605 km (0.099 R)
• M14: 11,491,660 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.7

Radius: 8.4

Gravity: 13.46 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.92 AU - 4.54 AU

Year: 4886 Days

Day: 8.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,343,760 km

• M1: 104,719 km (0.038 R)
• M2: 491,130 km (0.092 R)
• M3: 845,677 km (0.069 R)
• M4: 1,208,003 km (0.07 R)
• M5: 2,416,006 km (0.118 R)
• M6: 3,384,951 km (0.106 R)
• M7: 3,875,183 km (0.107 R)
• M8: 4,887,213 km (0.092 R)
• M9: 5,454,937 km (0.096 R)
• M10: 5,877,850 km (0.107 R)
• M11: 7,496,499 km (0.12 R)
• M12: 9,139,532 km (0.078 R)
• M13: 9,520,708 km (0.105 R)
• M14: 10,314,773 km (0.083 R)
• M15: 10,915,259 km (0.096 R)
• M16: 13,281,897 km (0.088 R)
• M17: 16,524,431 km (0.081 R)
• M18: 21,200,861 km (0.107 R)
• M19: 23,092,376 km (0.109 R)
• M20: 23,483,724 km (0.066 R)
• M21: 25,341,431 km (0.032 R)
• M22: 26,348,523 km (0.118 R)
• M23: 27,732,603 km (0.118 R)
• M24: 31,212,698 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.7

Radius: 14.5

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.91 AU - 5.05 AU

Year: 7538 Days

Day: 13.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,343,760 km

• M1: 180,415 km (0.057 R)
• M2: 645,365 km (0.092 R)
• M3: 1,305,989 km (0.102 R)
• M4: 2,030,791 km (0.079 R)
• M5: 2,604,050 km (0.093 R)
• M6: 3,877,876 km (0.108 R)
• M7: 5,307,882 km (0.068 R)
• M8: 5,945,618 km (0.086 R)
• M9: 7,481,090 km (0.026 R)
• M10: 8,171,933 km (0.084 R)
• M11: 8,786,332 km (0.077 R)
• M12: 9,597,751 km (0.07 R)
• M13: 11,230,312 km (0.068 R)
• M14: 13,935,790 km (0.105 R)
• M15: 14,870,926 km (0.082 R)
• M16: 15,325,255 km (0.102 R)
• M17: 16,501,692 km (0.099 R)
• M18: 16,988,933 km (0.102 R)
• M19: 20,884,461 km (0.048 R)
• M20: 22,330,175 km (0.098 R)
• M21: 23,153,113 km (0.081 R)
• M22: 23,764,370 km (0.078 R)
• M23: 24,464,787 km (0.094 R)
• M24: 25,099,082 km (0.082 R)
• M25: 26,235,128 km (0.099 R)
• M26: 28,785,024 km (0.103 R)
• M27: 29,849,862 km (0.064 R)
• M28: 30,483,109 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770.7

Radius: 6.7

Gravity: 17.17 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.33 AU - 6.91 AU

Year: 10269 Days

Day: 23.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 140.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,343,760 km

• M1: 83,476 km (0.108 R)
• M2: 373,845 km (0.057 R)
• M3: 1,004,849 km (0.118 R)
• M4: 1,256,024 km (0.039 R)
• M5: 1,697,038 km (0.105 R)
• M6: 2,074,474 km (0.055 R)
• M7: 2,996,894 km (0.119 R)
• M8: 3,205,434 km (0.038 R)
• M9: 3,574,791 km (0.03 R)
• M10: 4,517,556 km (0.073 R)
• M11: 5,078,997 km (0.111 R)
• M12: 6,265,009 km (0.112 R)
• M13: 9,514,574 km (0.105 R)
• M14: 9,815,116 km (0.098 R)
• M15: 10,487,858 km (0.105 R)
• M16: 11,582,166 km (0.104 R)
• M17: 11,867,150 km (0.088 R)
• M18: 12,333,148 km (0.1 R)
• M19: 15,802,472 km (0.113 R)
• M20: 19,070,886 km (0.116 R)
• M21: 23,121,249 km (0.098 R)
• M22: 23,664,738 km (0.084 R)
• M23: 24,124,003 km (0.116 R)
• M24: 25,634,044 km (0.105 R)
• M25: 28,945,393 km (0.032 R)
• M26: 29,365,164 km (0.12 R)
• M27: 32,644,200 km (0.099 R)
• M28: 39,019,164 km (0.096 R)
• M29: 46,462,256 km (0.1 R)
• M30: 49,536,941 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.8

Radius: 6.2

Gravity: 12.64 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 7.68 AU - 9.58 AU

Year: 17195 Days

Day: 23.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,343,760 km

• M1: 77,193 km (0.115 R)
• M2: 314,305 km (0.086 R)
• M3: 967,300 km (0.093 R)
• M4: 2,103,795 km (0.065 R)
• M5: 2,528,204 km (0.097 R)
• M6: 2,841,761 km (0.111 R)
• M7: 3,334,237 km (0.055 R)
• M8: 4,087,612 km (0.07 R)
• M9: 4,747,788 km (0.045 R)
• M10: 5,773,131 km (0.117 R)
• M11: 6,041,360 km (0.113 R)
• M12: 8,643,167 km (0.087 R)
• M13: 10,383,289 km (0.071 R)
• M14: 13,246,443 km (0.085 R)
• M15: 14,965,023 km (0.057 R)
• M16: 15,545,014 km (0.112 R)
• M17: 16,904,709 km (0.111 R)
• M18: 17,773,573 km (0.054 R)
• M19: 19,858,369 km (0.095 R)
• M20: 23,427,625 km (0.114 R)
• M21: 24,907,148 km (0.114 R)
• M22: 26,343,138 km (0.114 R)
• M23: 28,820,927 km (0.096 R)
• M24: 32,280,528 km (0.115 R)
• M25: 32,882,809 km (0.093 R)
• M26: 35,367,031 km (0.055 R)
• M27: 43,565,742 km (0.067 R)
• M28: 43,858,954 km (0.042 R)
• M29: 44,301,165 km (0.109 R)
• M30: 45,344,611 km (0.084 R)
• M31: 48,730,609 km (0.119 R)
• M32: 52,778,578 km (0.06 R)
• M33: 56,870,079 km (0.084 R)
• M34: 58,279,590 km (0.098 R)
• M35: 60,255,479 km (0.036 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.4

Radius: 7.4

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 7.56 AU - 11.2 AU

Year: 19485 Days

Day: 18.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,343,760 km

• M1: 92,302 km (0.089 R)
• M2: 1,450,950 km (0.083 R)
• M3: 2,470,010 km (0.1 R)
• M4: 5,665,870 km (0.062 R)
• M5: 6,050,037 km (0.042 R)
• M6: 6,743,274 km (0.097 R)
• M7: 9,037,207 km (0.057 R)
• M8: 9,832,170 km (0.069 R)
• M9: 11,022,521 km (0.088 R)
• M10: 11,991,765 km (0.062 R)
• M11: 14,448,910 km (0.111 R)
• M12: 19,544,962 km (0.07 R)
• M13: 27,857,966 km (0.12 R)
• M14: 29,877,986 km (0.095 R)
• M15: 35,997,736 km (0.09 R)
• M16: 42,031,467 km (0.11 R)
• M17: 45,438,259 km (0.118 R)
• M18: 52,126,480 km (0.082 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 18,427 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit