🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.4

Radius: 14.4

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.47 AU - 0.75 AU

Year: 318 Days

Day: 6.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 21,747,944 km

• M1: 179,069 km (0.087 R)
• M2: 819,497 km (0.108 R)
• M3: 1,532,032 km (0.095 R)
• M4: 2,090,481 km (0.094 R)
• M5: 2,996,595 km (0.095 R)
• M6: 3,664,998 km (0.105 R)
• M7: 4,309,915 km (0.113 R)
• M8: 4,810,020 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.8

Radius: 11.1

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.94 AU - 1.02 AU

Year: 647 Days

Day: 6.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,747,944 km

• M1: 140,472 km (0.072 R)
• M2: 494,271 km (0.034 R)
• M3: 1,573,171 km (0.106 R)
• M4: 2,803,314 km (0.075 R)
• M5: 3,193,615 km (0.101 R)
• M6: 3,553,249 km (0.046 R)
• M7: 4,026,576 km (0.095 R)
• M8: 5,432,347 km (0.094 R)
• M9: 7,013,298 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.4

Radius: 10.6

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.16 AU - 1.28 AU

Year: 899 Days

Day: 14.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,747,944 km

• M1: 131,796 km (0.082 R)
• M2: 469,887 km (0.069 R)
• M3: 800,947 km (0.078 R)
• M4: 1,525,599 km (0.061 R)
• M5: 1,882,240 km (0.093 R)
• M6: 2,236,189 km (0.118 R)
• M7: 2,634,718 km (0.051 R)
• M8: 2,967,124 km (0.109 R)
• M9: 3,383,305 km (0.102 R)
• M10: 4,049,166 km (0.116 R)
• M11: 4,508,281 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.6

Radius: 13

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.63 AU - 1.75 AU

Year: 1465 Days

Day: 8.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,747,944 km

• M1: 161,715 km (0.117 R)
• M2: 604,824 km (0.089 R)
• M3: 1,241,962 km (0.076 R)
• M4: 2,002,367 km (0.111 R)
• M5: 2,466,121 km (0.11 R)
• M6: 3,055,387 km (0.105 R)
• M7: 4,123,665 km (0.089 R)
• M8: 5,610,219 km (0.103 R)
• M9: 6,430,464 km (0.113 R)
• M10: 7,478,547 km (0.03 R)
• M11: 8,720,658 km (0.089 R)
• M12: 9,701,721 km (0.111 R)
• M13: 10,755,189 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.7

Radius: 14.6

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.16 AU - 2.54 AU

Year: 2402 Days

Day: 10.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,747,944 km

• M1: 181,612 km (0.108 R)
• M2: 659,427 km (0.098 R)
• M3: 1,322,744 km (0.114 R)
• M4: 1,895,854 km (0.096 R)
• M5: 2,355,718 km (0.118 R)
• M6: 3,229,070 km (0.096 R)
• M7: 4,042,284 km (0.09 R)
• M8: 5,881,889 km (0.117 R)
• M9: 6,405,781 km (0.119 R)
• M10: 7,208,673 km (0.104 R)
• M11: 8,600,382 km (0.063 R)
• M12: 9,211,489 km (0.06 R)
• M13: 10,094,565 km (0.036 R)
• M14: 12,836,544 km (0.113 R)
• M15: 13,550,426 km (0.093 R)
• M16: 15,851,690 km (0.115 R)
• M17: 16,380,368 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.8

Radius: 9.5

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.11 AU - 3.21 AU

Year: 2893 Days

Day: 11.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 21,747,944 km

• M1: 118,182 km (0.052 R)
• M2: 456,423 km (0.072 R)
• M3: 764,744 km (0.104 R)
• M4: 1,106,875 km (0.083 R)
• M5: 1,541,756 km (0.103 R)
• M6: 1,934,450 km (0.097 R)
• M7: 2,265,061 km (0.101 R)
• M8: 3,271,107 km (0.06 R)
• M9: 3,784,078 km (0.104 R)
• M10: 4,197,866 km (0.11 R)
• M11: 4,804,336 km (0.106 R)
• M12: 5,290,529 km (0.026 R)
• M13: 7,538,386 km (0.045 R)
• M14: 9,289,429 km (0.059 R)
• M15: 10,044,899 km (0.107 R)
• M16: 10,517,478 km (0.118 R)
• M17: 13,153,094 km (0.084 R)
• M18: 13,528,584 km (0.11 R)
• M19: 14,548,543 km (0.076 R)
• M20: 15,462,885 km (0.051 R)
• M21: 17,238,013 km (0.073 R)
• M22: 19,994,952 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.4

Radius: 11.6

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.88 AU - 3.34 AU

Year: 3657 Days

Day: 11.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 21,747,944 km

• M1: 144,212 km (0.083 R)
• M2: 968,048 km (0.071 R)
• M3: 1,747,453 km (0.075 R)
• M4: 2,145,533 km (0.073 R)
• M5: 2,907,883 km (0.096 R)
• M6: 3,307,011 km (0.032 R)
• M7: 3,683,848 km (0.06 R)
• M8: 4,047,670 km (0.092 R)
• M9: 4,991,782 km (0.118 R)
• M10: 5,515,973 km (0.117 R)
• M11: 6,049,289 km (0.114 R)
• M12: 7,375,624 km (0.113 R)
• M13: 7,825,465 km (0.106 R)
• M14: 9,139,532 km (0.054 R)
• M15: 9,583,688 km (0.06 R)
• M16: 10,119,997 km (0.106 R)
• M17: 10,515,384 km (0.054 R)
• M18: 11,548,956 km (0.046 R)
• M19: 12,603,770 km (0.11 R)
• M20: 13,914,248 km (0.06 R)
• M21: 14,502,915 km (0.119 R)
• M22: 16,531,612 km (0.047 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.7

Radius: 6.6

Gravity: 14.64 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.82 AU - 5.86 AU

Year: 9411 Days

Day: 19.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 130.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 21,747,944 km

• M1: 82,578 km (0.088 R)
• M2: 366,216 km (0.11 R)
• M3: 613,800 km (0.091 R)
• M4: 917,035 km (0.107 R)
• M5: 1,142,629 km (0.098 R)
• M6: 1,814,473 km (0.098 R)
• M7: 2,089,284 km (0.107 R)
• M8: 2,996,745 km (0.11 R)
• M9: 3,242,683 km (0.072 R)
• M10: 4,089,258 km (0.11 R)
• M11: 5,012,875 km (0.118 R)
• M12: 5,556,813 km (0.073 R)
• M13: 7,225,577 km (0.076 R)
• M14: 8,174,177 km (0.108 R)
• M15: 10,569,239 km (0.082 R)
• M16: 11,788,312 km (0.118 R)
• M17: 12,747,683 km (0.094 R)
• M18: 14,884,988 km (0.112 R)
• M19: 19,776,988 km (0.042 R)
• M20: 24,549,011 km (0.095 R)
• M21: 27,732,603 km (0.028 R)
• M22: 31,498,280 km (0.116 R)
• M23: 32,031,896 km (0.094 R)
• M24: 33,891,547 km (0.07 R)
• M25: 35,591,129 km (0.094 R)
• M26: 39,652,412 km (0.071 R)
• M27: 41,794,354 km (0.075 R)
• M28: 42,698,224 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.1

Radius: 5.5

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 8.01 AU - 9.07 AU

Year: 16642 Days

Day: 18.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 163.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,747,944 km

• M1: 171,140 km (0.095 R)
• M2: 342,579 km (0.051 R)
• M3: 636,389 km (0.083 R)
• M4: 966,402 km (0.12 R)
• M5: 2,192,357 km (0.118 R)
• M6: 2,810,944 km (0.077 R)
• M7: 5,645,674 km (0.111 R)
• M8: 7,377,718 km (0.104 R)
• M9: 7,959,654 km (0.119 R)
• M10: 8,711,832 km (0.068 R)
• M11: 9,214,481 km (0.08 R)
• M12: 12,554,253 km (0.097 R)
• M13: 16,137,721 km (0.054 R)
• M14: 16,405,501 km (0.094 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 12,983 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit