🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.1

Radius: 8.8

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.69 AU - 0.93 AU

Year: 464 Days

Day: 5.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 55,718,996 km

• M1: 109,506 km (0.111 R)
• M2: 408,701 km (0.052 R)
• M3: 797,955 km (0.115 R)
• M4: 1,127,669 km (0.062 R)
• M5: 1,847,085 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.9

Radius: 12.8

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.72 AU - 0.9 AU

Year: 464 Days

Day: 9.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,718,996 km

• M1: 159,621 km (0.043 R)
• M2: 560,992 km (0.063 R)
• M3: 1,053,319 km (0.08 R)
• M4: 1,641,388 km (0.068 R)
• M5: 2,214,946 km (0.072 R)
• M6: 2,958,747 km (0.11 R)
• M7: 3,405,895 km (0.112 R)
• M8: 4,052,756 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.6

Radius: 9.3

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.87 AU - 1.37 AU

Year: 754 Days

Day: 14.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,718,996 km

• M1: 115,639 km (0.057 R)
• M2: 408,701 km (0.092 R)
• M3: 717,771 km (0.102 R)
• M4: 1,063,042 km (0.028 R)
• M5: 1,489,696 km (0.097 R)
• M6: 2,009,698 km (0.041 R)
• M7: 3,703,594 km (0.07 R)
• M8: 4,383,068 km (0.106 R)
• M9: 4,846,522 km (0.076 R)
• M10: 5,434,292 km (0.111 R)
• M11: 6,414,457 km (0.109 R)
• M12: 7,257,591 km (0.111 R)
• M13: 8,051,357 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.3

Radius: 10.5

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.94 AU - 1.32 AU

Year: 764 Days

Day: 11.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,718,996 km

• M1: 130,599 km (0.097 R)
• M2: 481,855 km (0.113 R)
• M3: 891,454 km (0.047 R)
• M4: 1,265,448 km (0.039 R)
• M5: 1,622,688 km (0.09 R)
• M6: 2,417,801 km (0.073 R)
• M7: 3,333,789 km (0.106 R)
• M8: 3,705,240 km (0.054 R)
• M9: 4,073,700 km (0.115 R)
• M10: 4,714,577 km (0.073 R)
• M11: 5,292,773 km (0.03 R)
• M12: 6,569,890 km (0.101 R)
• M13: 6,935,507 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294

Radius: 9.3

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.36 AU - 3.6 AU

Year: 4128 Days

Day: 7.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,718,996 km

• M1: 115,639 km (0.095 R)
• M2: 474,076 km (0.095 R)
• M3: 864,825 km (0.117 R)
• M4: 1,244,056 km (0.025 R)
• M5: 1,581,549 km (0.063 R)
• M6: 2,278,525 km (0.119 R)
• M7: 2,901,600 km (0.108 R)
• M8: 3,963,895 km (0.109 R)
• M9: 4,616,889 km (0.098 R)
• M10: 5,051,471 km (0.073 R)
• M11: 5,871,118 km (0.115 R)
• M12: 6,190,210 km (0.063 R)
• M13: 6,834,678 km (0.099 R)
• M14: 7,248,316 km (0.085 R)
• M15: 9,356,150 km (0.103 R)
• M16: 9,792,677 km (0.087 R)
• M17: 10,128,973 km (0.057 R)
• M18: 11,759,440 km (0.113 R)
• M19: 12,571,457 km (0.118 R)
• M20: 14,023,005 km (0.045 R)
• M21: 15,735,153 km (0.084 R)
• M22: 17,147,955 km (0.114 R)
• M23: 20,044,170 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.9

Radius: 8.5

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.89 AU - 4.23 AU

Year: 5201 Days

Day: 14 Hours

Environment

Temp: -209 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,718,996 km

• M1: 106,065 km (0.052 R)
• M2: 411,993 km (0.096 R)
• M3: 873,053 km (0.119 R)
• M4: 1,654,104 km (0.09 R)
• M5: 2,308,445 km (0.108 R)
• M6: 2,607,640 km (0.09 R)
• M7: 3,408,587 km (0.092 R)
• M8: 3,843,618 km (0.102 R)
• M9: 4,290,766 km (0.101 R)
• M10: 4,985,499 km (0.073 R)
• M11: 5,576,111 km (0.102 R)
• M12: 7,629,791 km (0.06 R)
• M13: 8,034,154 km (0.107 R)
• M14: 8,965,999 km (0.066 R)
• M15: 9,458,026 km (0.074 R)
• M16: 12,094,689 km (0.038 R)
• M17: 12,543,632 km (0.082 R)
• M18: 12,951,884 km (0.114 R)
• M19: 13,634,350 km (0.075 R)
• M20: 15,185,381 km (0.086 R)
• M21: 16,974,122 km (0.099 R)
• M22: 25,784,988 km (0.068 R)
• M23: 28,146,091 km (0.115 R)
• M24: 29,289,917 km (0.075 R)
• M25: 29,737,962 km (0.073 R)
• M26: 30,739,819 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968.6

Radius: 3.6

Gravity: 74.74 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 7.15 AU - 9.45 AU

Year: 15204 Days

Day: 22.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 55,718,996 km

• M1: 44,730 km (0.075 R)
• M2: 170,691 km (0.107 R)
• M3: 347,067 km (0.094 R)
• M4: 604,974 km (0.083 R)
• M5: 1,725,312 km (0.107 R)
• M6: 2,042,011 km (0.044 R)
• M7: 2,765,616 km (0.076 R)
• M8: 3,445,239 km (0.111 R)
• M9: 4,007,577 km (0.099 R)
• M10: 4,873,001 km (0.082 R)
• M11: 6,351,626 km (0.07 R)
• M12: 6,609,683 km (0.11 R)
• M13: 8,563,132 km (0.112 R)
• M14: 8,719,461 km (0.071 R)
• M15: 9,586,381 km (0.075 R)
• M16: 10,748,757 km (0.112 R)
• M17: 10,992,003 km (0.037 R)
• M18: 12,329,857 km (0.057 R)
• M19: 13,701,220 km (0.119 R)
• M20: 13,987,251 km (0.099 R)
• M21: 15,400,353 km (0.103 R)
• M22: 15,709,422 km (0.088 R)
• M23: 18,855,914 km (0.081 R)
• M24: 19,388,333 km (0.117 R)
• M25: 21,811,370 km (0.081 R)
• M26: 22,695,044 km (0.114 R)
• M27: 25,274,411 km (0.057 R)
• M28: 27,813,984 km (0.116 R)
• M29: 29,322,080 km (0.102 R)
• M30: 30,518,564 km (0.069 R)
• M31: 30,639,888 km (0.119 R)
• M32: 31,375,161 km (0.119 R)
• M33: 38,813,168 km (0.077 R)
• M34: 39,673,655 km (0.097 R)
• M35: 40,108,536 km (0.055 R)
• M36: 54,326,018 km (0.105 R)
• M37: 61,963,438 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.8

Radius: 4.3

Gravity: 38.93 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 8.29 AU - 10.65 AU

Year: 18529 Days

Day: 15.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 55,718,996 km

• M1: 53,706 km (0.112 R)
• M2: 203,902 km (0.116 R)
• M3: 481,855 km (0.095 R)
• M4: 714,629 km (0.108 R)
• M5: 1,006,794 km (0.113 R)
• M6: 1,826,740 km (0.08 R)
• M7: 2,220,930 km (0.111 R)
• M8: 2,865,098 km (0.069 R)
• M9: 3,835,241 km (0.114 R)
• M10: 4,021,191 km (0.056 R)
• M11: 4,478,511 km (0.119 R)
• M12: 5,228,446 km (0.06 R)
• M13: 5,535,121 km (0.119 R)
• M14: 5,853,615 km (0.118 R)
• M15: 6,440,188 km (0.094 R)
• M16: 6,614,769 km (0.107 R)
• M17: 7,729,273 km (0.095 R)
• M18: 10,562,657 km (0.062 R)
• M19: 13,373,750 km (0.088 R)
• M20: 13,658,136 km (0.105 R)
• M21: 17,141,373 km (0.103 R)
• M22: 17,902,676 km (0.115 R)
• M23: 31,169,464 km (0.115 R)
• M24: 31,669,271 km (0.072 R)
• M25: 32,174,463 km (0.102 R)
• M26: 32,429,078 km (0.104 R)
• M27: 40,115,118 km (0.113 R)
• M28: 42,821,792 km (0.057 R)
• M29: 47,270,234 km (0.113 R)
• M30: 52,719,786 km (0.119 R)
• M31: 55,778,164 km (0.099 R)
• M32: 56,329,881 km (0.092 R)
• M33: 61,460,191 km (0.114 R)
• M34: 65,047,997 km (0.109 R)
• M35: 65,455,052 km (0.101 R)
• M36: 66,480,247 km (0.066 R)
• M37: 70,473,163 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 273.4

Radius: 6

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 8.64 AU - 12.36 AU

Year: 21633 Days

Day: 23.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 55,718,996 km

• M1: 74,649 km (0.09 R)
• M2: 269,575 km (0.102 R)
• M3: 693,835 km (0.103 R)
• M4: 1,063,790 km (0.12 R)
• M5: 1,988,455 km (0.1 R)
• M6: 2,371,425 km (0.047 R)
• M7: 2,757,089 km (0.11 R)
• M8: 3,036,837 km (0.082 R)
• M9: 3,439,105 km (0.1 R)
• M10: 4,078,786 km (0.117 R)
• M11: 4,319,040 km (0.083 R)
• M12: 5,775,824 km (0.098 R)
• M13: 6,433,157 km (0.089 R)
• M14: 9,204,308 km (0.066 R)
• M15: 12,682,309 km (0.106 R)
• M16: 13,855,456 km (0.118 R)
• M17: 14,676,598 km (0.097 R)
• M18: 15,385,243 km (0.12 R)
• M19: 16,340,426 km (0.115 R)
• M20: 26,572,920 km (0.063 R)
• M21: 33,179,611 km (0.108 R)
• M22: 34,521,504 km (0.074 R)
• M23: 38,232,129 km (0.101 R)
• M24: 40,940,599 km (0.092 R)
• M25: 43,919,242 km (0.068 R)
• M26: 45,983,393 km (0.11 R)
• M27: 50,942,413 km (0.119 R)
• M28: 51,263,600 km (0.075 R)
• M29: 57,279,978 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.8

Radius: 4.6

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 8.57 AU - 13.51 AU

Year: 23323 Days

Day: 22.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 55,718,996 km

• M1: 62,233 km (0.108 R)
• M2: 206,744 km (0.052 R)
• M3: 392,694 km (0.106 R)
• M4: 633,846 km (0.081 R)
• M5: 846,126 km (0.118 R)
• M6: 1,165,068 km (0.085 R)
• M7: 1,318,855 km (0.118 R)
• M8: 1,796,970 km (0.116 R)
• M9: 2,168,571 km (0.043 R)
• M10: 2,464,176 km (0.099 R)
• M11: 3,283,374 km (0.084 R)
• M12: 4,210,582 km (0.075 R)
• M13: 5,369,816 km (0.064 R)
• M14: 7,098,718 km (0.072 R)
• M15: 8,204,097 km (0.051 R)
• M16: 9,167,208 km (0.068 R)
• M17: 10,528,997 km (0.072 R)
• M18: 12,629,351 km (0.107 R)
• M19: 14,580,257 km (0.115 R)
• M20: 19,231,105 km (0.028 R)
• M21: 20,232,813 km (0.084 R)
• M22: 21,356,592 km (0.104 R)
• M23: 22,521,361 km (0.089 R)
• M24: 24,299,033 km (0.117 R)
• M25: 25,074,697 km (0.076 R)
• M26: 27,709,565 km (0.077 R)
• M27: 28,555,990 km (0.067 R)
• M28: 30,300,450 km (0.086 R)
• M29: 30,859,797 km (0.119 R)
• M30: 31,999,134 km (0.069 R)
• M31: 35,461,278 km (0.066 R)
• M32: 38,770,383 km (0.106 R)
• M33: 40,499,584 km (0.1 R)
• M34: 41,451,625 km (0.045 R)
• M35: 47,479,522 km (0.091 R)
• M36: 54,723,051 km (0.101 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 13,233 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit