🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.4

Radius: 14.9

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.16 AU - 1.56 AU

Year: 1095 Days

Day: 7.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,360,890 km

• M1: 189,092 km (0.038 R)
• M2: 653,294 km (0.029 R)
• M3: 1,446,462 km (0.093 R)
• M4: 1,935,348 km (0.057 R)
• M5: 2,502,024 km (0.118 R)
• M6: 3,058,379 km (0.06 R)
• M7: 3,712,570 km (0.107 R)
• M8: 4,339,385 km (0.084 R)
• M9: 5,561,899 km (0.112 R)
• M10: 6,124,088 km (0.092 R)
• M11: 6,793,239 km (0.104 R)
• M12: 7,736,005 km (0.113 R)
• M13: 9,098,542 km (0.101 R)
• M14: 10,031,884 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.3

Radius: 12.6

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.37 AU - 1.67 AU

Year: 1294 Days

Day: 6.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,360,890 km

• M1: 156,928 km (0.091 R)
• M2: 612,454 km (0.063 R)
• M3: 1,009,935 km (0.108 R)
• M4: 1,690,456 km (0.114 R)
• M5: 2,309,342 km (0.087 R)
• M6: 2,869,287 km (0.11 R)
• M7: 3,292,051 km (0.104 R)
• M8: 3,989,326 km (0.102 R)
• M9: 5,076,155 km (0.099 R)
• M10: 5,904,329 km (0.066 R)
• M11: 6,912,618 km (0.097 R)
• M12: 7,531,355 km (0.106 R)
• M13: 8,449,138 km (0.095 R)
• M14: 9,497,071 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.3

Radius: 9.3

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.51 AU - 2.31 AU

Year: 1822 Days

Day: 5.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,360,890 km

• M1: 115,639 km (0.09 R)
• M2: 593,156 km (0.109 R)
• M3: 1,444,816 km (0.11 R)
• M4: 1,948,512 km (0.095 R)
• M5: 2,948,873 km (0.047 R)
• M6: 3,449,577 km (0.068 R)
• M7: 3,865,759 km (0.059 R)
• M8: 4,204,299 km (0.107 R)
• M9: 6,398,600 km (0.1 R)
• M10: 7,186,233 km (0.069 R)
• M11: 7,811,402 km (0.037 R)
• M12: 9,045,884 km (0.072 R)
• M13: 10,473,945 km (0.11 R)
• M14: 12,850,457 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.2

Radius: 8.3

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.95 AU - 2.05 AU

Year: 1952 Days

Day: 5.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,360,890 km

• M1: 103,821 km (0.092 R)
• M2: 364,869 km (0.115 R)
• M3: 690,095 km (0.051 R)
• M4: 1,204,712 km (0.118 R)
• M5: 1,563,896 km (0.096 R)
• M6: 2,012,391 km (0.068 R)
• M7: 2,308,594 km (0.096 R)
• M8: 2,749,310 km (0.046 R)
• M9: 3,052,395 km (0.096 R)
• M10: 3,459,451 km (0.084 R)
• M11: 3,932,030 km (0.055 R)
• M12: 4,901,425 km (0.041 R)
• M13: 5,404,821 km (0.099 R)
• M14: 6,880,156 km (0.109 R)
• M15: 7,442,195 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.9

Radius: 9.1

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.85 AU - 2.77 AU

Year: 2423 Days

Day: 6.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,360,890 km

• M1: 113,844 km (0.068 R)
• M2: 464,801 km (0.082 R)
• M3: 848,968 km (0.091 R)
• M4: 1,370,316 km (0.091 R)
• M5: 2,057,270 km (0.091 R)
• M6: 2,689,171 km (0.071 R)
• M7: 3,035,191 km (0.097 R)
• M8: 3,343,363 km (0.081 R)
• M9: 3,672,478 km (0.057 R)
• M10: 4,177,670 km (0.071 R)
• M11: 4,477,913 km (0.067 R)
• M12: 5,077,053 km (0.037 R)
• M13: 5,801,854 km (0.119 R)
• M14: 6,487,910 km (0.097 R)
• M15: 7,572,943 km (0.103 R)
• M16: 8,236,111 km (0.095 R)
• M17: 8,581,981 km (0.031 R)
• M18: 8,937,575 km (0.058 R)
• M19: 9,269,234 km (0.116 R)
• M20: 12,146,150 km (0.083 R)
• M21: 12,471,376 km (0.078 R)
• M22: 13,096,845 km (0.08 R)
• M23: 13,874,754 km (0.087 R)
• M24: 14,591,776 km (0.105 R)
• M25: 16,393,832 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250

Radius: 11.3

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.44 AU - 2.76 AU

Year: 2894 Days

Day: 5.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,360,890 km

• M1: 140,472 km (0.054 R)
• M2: 617,989 km (0.054 R)
• M3: 1,240,466 km (0.116 R)
• M4: 1,792,631 km (0.041 R)
• M5: 2,733,751 km (0.12 R)
• M6: 3,543,525 km (0.061 R)
• M7: 4,217,613 km (0.097 R)
• M8: 4,686,004 km (0.082 R)
• M9: 5,387,019 km (0.109 R)
• M10: 6,083,547 km (0.089 R)
• M11: 6,760,926 km (0.094 R)
• M12: 9,161,523 km (0.054 R)
• M13: 11,108,091 km (0.094 R)
• M14: 11,588,150 km (0.075 R)
• M15: 12,589,708 km (0.093 R)
• M16: 13,193,335 km (0.105 R)
• M17: 13,773,925 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.3

Radius: 14.4

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.72 AU - 5.82 AU

Year: 8351 Days

Day: 10.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,360,890 km

• M1: 179,218 km (0.076 R)
• M2: 650,302 km (0.037 R)
• M3: 1,109,418 km (0.094 R)
• M4: 1,872,666 km (0.106 R)
• M5: 2,804,062 km (0.073 R)
• M6: 5,227,398 km (0.109 R)
• M7: 5,810,680 km (0.087 R)
• M8: 6,545,804 km (0.114 R)
• M9: 7,501,286 km (0.072 R)
• M10: 10,674,406 km (0.068 R)
• M11: 12,444,149 km (0.062 R)
• M12: 13,607,722 km (0.113 R)
• M13: 22,666,172 km (0.076 R)
• M14: 23,349,236 km (0.083 R)
• M15: 28,129,486 km (0.097 R)
• M16: 34,300,997 km (0.104 R)
• M17: 37,523,036 km (0.114 R)
• M18: 41,828,013 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 83.9

Radius: 7.5

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.36 AU - 7.94 AU

Year: 13197 Days

Day: 17.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,360,890 km

• M1: 110,254 km (0.12 R)
• M2: 397,182 km (0.099 R)
• M3: 761,154 km (0.084 R)
• M4: 1,504,356 km (0.109 R)
• M5: 1,893,011 km (0.049 R)
• M6: 10,615,615 km (0.058 R)
• M7: 17,194,929 km (0.079 R)
• M8: 18,761,967 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.9

Radius: 6.8

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 6.02 AU - 8.76 AU

Year: 13867 Days

Day: 22.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,360,890 km

• M1: 91,105 km (0.113 R)
• M2: 479,312 km (0.068 R)
• M3: 2,280,919 km (0.114 R)
• M4: 2,762,025 km (0.097 R)
• M5: 3,111,785 km (0.1 R)
• M6: 4,615,244 km (0.086 R)
• M7: 4,843,081 km (0.113 R)
• M8: 5,383,579 km (0.042 R)
• M9: 5,963,570 km (0.103 R)
• M10: 7,753,209 km (0.109 R)
• M11: 10,593,175 km (0.074 R)
• M12: 11,142,498 km (0.08 R)
• M13: 11,501,982 km (0.043 R)
• M14: 12,461,802 km (0.059 R)
• M15: 16,905,756 km (0.048 R)
• M16: 19,888,738 km (0.062 R)
• M17: 21,741,807 km (0.109 R)
• M18: 24,301,875 km (0.111 R)
• M19: 25,698,670 km (0.091 R)
• M20: 30,507,494 km (0.108 R)
• M21: 31,822,609 km (0.043 R)
• M22: 34,674,243 km (0.063 R)
• M23: 37,462,448 km (0.08 R)
• M24: 39,441,628 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.8

Radius: 4.3

Gravity: 38.71 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.84 AU - 9.62 AU

Year: 16297 Days

Day: 18.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 67,360,890 km

• M1: 53,556 km (0.118 R)
• M2: 329,115 km (0.105 R)
• M3: 552,615 km (0.096 R)
• M4: 983,905 km (0.099 R)
• M5: 1,963,173 km (0.077 R)
• M6: 2,606,593 km (0.073 R)
• M7: 3,546,367 km (0.091 R)
• M8: 3,717,657 km (0.078 R)
• M9: 4,524,737 km (0.062 R)
• M10: 6,269,048 km (0.111 R)
• M11: 9,140,430 km (0.085 R)
• M12: 9,627,072 km (0.119 R)
• M13: 11,069,494 km (0.108 R)
• M14: 13,459,470 km (0.119 R)
• M15: 16,803,431 km (0.066 R)
• M16: 17,697,727 km (0.071 R)
• M17: 18,114,507 km (0.041 R)
• M18: 19,141,347 km (0.032 R)
• M19: 20,296,990 km (0.075 R)
• M20: 21,030,917 km (0.097 R)
• M21: 22,260,911 km (0.038 R)
• M22: 23,338,315 km (0.103 R)
• M23: 23,940,596 km (0.11 R)
• M24: 25,175,826 km (0.062 R)
• M25: 28,448,728 km (0.103 R)
• M26: 29,716,570 km (0.117 R)
• M27: 30,423,719 km (0.086 R)
• M28: 32,737,100 km (0.058 R)
• M29: 35,691,060 km (0.052 R)
• M30: 35,955,998 km (0.05 R)
• M31: 43,014,325 km (0.114 R)
• M32: 46,549,921 km (0.082 R)
• M33: 49,777,794 km (0.1 R)
• M34: 49,942,950 km (0.052 R)
• M35: 54,718,264 km (0.112 R)
• M36: 62,437,962 km (0.088 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 11,992 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit