🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.2

Radius: 11.5

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.24 AU - 1.32 AU

Year: 982 Days

Day: 5.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,522,809 km

• M1: 143,016 km (0.067 R)
• M2: 549,323 km (0.077 R)
• M3: 1,339,350 km (0.088 R)
• M4: 1,705,117 km (0.111 R)
• M5: 2,065,199 km (0.094 R)
• M6: 2,512,347 km (0.065 R)
• M7: 2,942,889 km (0.103 R)
• M8: 3,760,591 km (0.117 R)
• M9: 4,206,094 km (0.103 R)
• M10: 4,723,852 km (0.094 R)
• M11: 5,780,312 km (0.03 R)
• M12: 6,217,736 km (0.088 R)
• M13: 6,700,638 km (0.085 R)
• M14: 7,109,938 km (0.073 R)
• M15: 8,661,717 km (0.096 R)
• M16: 9,353,756 km (0.107 R)
• M17: 10,556,374 km (0.063 R)
• M18: 11,111,831 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.1

Radius: 13.5

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.49 AU - 1.89 AU

Year: 1490 Days

Day: 10.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,522,809 km

• M1: 167,849 km (0.092 R)
• M2: 649,105 km (0.111 R)
• M3: 1,185,563 km (0.107 R)
• M4: 1,842,148 km (0.108 R)
• M5: 2,653,866 km (0.061 R)
• M6: 3,878,774 km (0.056 R)
• M7: 5,069,722 km (0.074 R)
• M8: 6,540,718 km (0.09 R)
• M9: 7,469,422 km (0.103 R)
• M10: 8,484,294 km (0.108 R)
• M11: 9,025,090 km (0.084 R)
• M12: 9,621,088 km (0.091 R)
• M13: 11,137,561 km (0.06 R)
• M14: 11,640,510 km (0.119 R)
• M15: 12,461,503 km (0.091 R)
• M16: 13,042,990 km (0.082 R)
• M17: 13,683,418 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.5

Radius: 10

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.99 AU - 2.33 AU

Year: 2153 Days

Day: 5.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,522,809 km

• M1: 156,180 km (0.114 R)
• M2: 522,246 km (0.101 R)
• M3: 855,999 km (0.107 R)
• M4: 1,395,299 km (0.046 R)
• M5: 1,963,173 km (0.062 R)
• M6: 2,510,402 km (0.106 R)
• M7: 4,247,532 km (0.052 R)
• M8: 4,879,434 km (0.1 R)
• M9: 5,705,513 km (0.073 R)
• M10: 7,259,685 km (0.091 R)
• M11: 8,021,737 km (0.116 R)
• M12: 9,109,164 km (0.076 R)
• M13: 9,577,106 km (0.109 R)
• M14: 10,325,544 km (0.118 R)
• M15: 12,806,027 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.6

Radius: 9.2

Gravity: 11.42 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.21 AU - 2.53 AU

Year: 2475 Days

Day: 13.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,522,809 km

• M1: 116,537 km (0.084 R)
• M2: 511,176 km (0.109 R)
• M3: 1,041,500 km (0.032 R)
• M4: 1,825,543 km (0.079 R)
• M5: 2,459,987 km (0.09 R)
• M6: 2,812,739 km (0.094 R)
• M7: 4,443,206 km (0.053 R)
• M8: 5,384,626 km (0.055 R)
• M9: 6,146,528 km (0.106 R)
• M10: 11,027,757 km (0.076 R)
• M11: 11,440,497 km (0.088 R)
• M12: 13,058,398 km (0.048 R)
• M13: 14,576,069 km (0.089 R)
• M14: 17,845,081 km (0.089 R)
• M15: 18,762,116 km (0.032 R)
• M16: 20,318,532 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.9

Radius: 9.1

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.26 AU - 3.2 AU

Year: 3059 Days

Day: 15 Hours

Environment

Temp: -211 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,522,809 km

• M1: 113,694 km (0.071 R)
• M2: 453,132 km (0.089 R)
• M3: 1,036,264 km (0.101 R)
• M4: 1,375,104 km (0.047 R)
• M5: 1,694,645 km (0.039 R)
• M6: 2,037,673 km (0.096 R)
• M7: 2,687,376 km (0.102 R)
• M8: 3,210,819 km (0.067 R)
• M9: 4,132,791 km (0.031 R)
• M10: 4,484,196 km (0.054 R)
• M11: 6,149,370 km (0.119 R)
• M12: 10,811,887 km (0.111 R)
• M13: 11,523,973 km (0.111 R)
• M14: 12,133,584 km (0.12 R)
• M15: 12,673,184 km (0.094 R)
• M16: 15,197,648 km (0.097 R)
• M17: 17,354,699 km (0.088 R)
• M18: 19,100,955 km (0.077 R)
• M19: 21,607,168 km (0.105 R)
• M20: 22,333,167 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.1

Radius: 14.6

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.29 AU - 4.43 AU

Year: 5144 Days

Day: 13 Hours

Environment

Temp: -226 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,522,809 km

• M1: 181,612 km (0.102 R)
• M2: 678,726 km (0.094 R)
• M3: 1,404,126 km (0.096 R)
• M4: 3,173,270 km (0.119 R)
• M5: 3,871,144 km (0.069 R)
• M6: 5,137,789 km (0.087 R)
• M7: 6,397,104 km (0.077 R)
• M8: 7,664,946 km (0.1 R)
• M9: 9,652,204 km (0.054 R)
• M10: 12,633,989 km (0.04 R)
• M11: 13,938,034 km (0.052 R)
• M12: 15,091,882 km (0.115 R)
• M13: 17,393,146 km (0.054 R)
• M14: 26,635,153 km (0.047 R)
• M15: 27,159,493 km (0.093 R)
• M16: 28,138,761 km (0.088 R)
• M17: 29,885,615 km (0.087 R)
• M18: 30,929,509 km (0.103 R)
• M19: 32,095,774 km (0.048 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 69.5

Radius: 6.9

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.98 AU - 6.98 AU

Year: 11188 Days

Day: 20.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,522,809 km

• M1: 185,950 km (0.076 R)
• M2: 409,449 km (0.116 R)
• M3: 822,040 km (0.095 R)
• M4: 1,080,246 km (0.062 R)
• M5: 1,351,916 km (0.066 R)
• M6: 1,657,096 km (0.101 R)
• M7: 2,116,959 km (0.065 R)
• M8: 3,068,851 km (0.097 R)
• M9: 3,520,187 km (0.06 R)
• M10: 3,929,487 km (0.074 R)
• M11: 4,697,672 km (0.06 R)
• M12: 5,402,278 km (0.117 R)
• M13: 6,088,933 km (0.056 R)
• M14: 6,379,302 km (0.1 R)
• M15: 9,121,581 km (0.08 R)
• M16: 9,893,356 km (0.114 R)
• M17: 10,295,325 km (0.089 R)
• M18: 10,708,066 km (0.084 R)
• M19: 12,844,473 km (0.028 R)
• M20: 13,130,205 km (0.1 R)
• M21: 15,894,923 km (0.111 R)
• M22: 16,114,084 km (0.085 R)
• M23: 18,598,007 km (0.091 R)
• M24: 20,153,825 km (0.073 R)
• M25: 20,799,789 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 346.9

Radius: 5.2

Gravity: 12.83 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.2 AU - 10.22 AU

Year: 18957 Days

Day: 18.2 Hours

Environment

Temp: -243 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,522,809 km

• M1: 64,776 km (0.11 R)
• M2: 372,648 km (0.12 R)
• M3: 613,800 km (0.107 R)
• M4: 833,111 km (0.117 R)
• M5: 1,320,650 km (0.09 R)
• M6: 2,342,104 km (0.118 R)
• M7: 2,636,064 km (0.092 R)
• M8: 7,819,182 km (0.053 R)
• M9: 9,632,308 km (0.113 R)
• M10: 12,628,603 km (0.115 R)
• M11: 15,751,160 km (0.09 R)
• M12: 19,102,152 km (0.109 R)
• M13: 20,899,271 km (0.069 R)
• M14: 34,343,183 km (0.119 R)
• M15: 51,946,514 km (0.073 R)
• M16: 52,108,678 km (0.104 R)
• M17: 53,088,544 km (0.085 R)
• M18: 53,252,952 km (0.117 R)
• M19: 53,914,325 km (0.103 R)
• M20: 55,084,928 km (0.091 R)
• M21: 55,253,674 km (0.061 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 18,781 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit