🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.8

Radius: 10.5

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.61 AU - 0.91 AU

Year: 457 Days

Day: 14.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,506,177 km

• M1: 130,599 km (0.083 R)
• M2: 486,343 km (0.071 R)
• M3: 1,009,636 km (0.082 R)
• M4: 1,389,465 km (0.082 R)
• M5: 1,754,334 km (0.068 R)
• M6: 2,248,007 km (0.111 R)
• M7: 2,854,627 km (0.115 R)
• M8: 3,516,148 km (0.043 R)
• M9: 4,774,715 km (0.063 R)
• M10: 5,707,757 km (0.097 R)
• M11: 6,199,037 km (0.095 R)
• M12: 6,718,291 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790

Radius: 12.2

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.86 AU - 1.24 AU

Year: 743 Days

Day: 9.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,506,177 km

• M1: 151,692 km (0.067 R)
• M2: 542,292 km (0.09 R)
• M3: 1,006,943 km (0.096 R)
• M4: 1,495,979 km (0.11 R)
• M5: 1,990,549 km (0.076 R)
• M6: 2,649,977 km (0.104 R)
• M7: 3,133,178 km (0.116 R)
• M8: 3,689,083 km (0.097 R)
• M9: 4,773,818 km (0.113 R)
• M10: 6,410,119 km (0.105 R)
• M11: 6,817,175 km (0.084 R)
• M12: 7,471,965 km (0.068 R)
• M13: 8,168,343 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662

Radius: 10

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.12 AU - 1.62 AU

Year: 1107 Days

Day: 7.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,506,177 km

• M1: 144,512 km (0.102 R)
• M2: 468,391 km (0.091 R)
• M3: 790,026 km (0.091 R)
• M4: 1,311,375 km (0.075 R)
• M5: 2,889,782 km (0.114 R)
• M6: 3,924,999 km (0.106 R)
• M7: 5,016,914 km (0.078 R)
• M8: 5,530,783 km (0.064 R)
• M9: 6,322,305 km (0.085 R)
• M10: 7,236,498 km (0.107 R)
• M11: 8,024,280 km (0.115 R)
• M12: 8,868,012 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.9

Radius: 12.3

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.45 AU - 2.11 AU

Year: 1639 Days

Day: 6.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,506,177 km

• M1: 153,039 km (0.114 R)
• M2: 670,946 km (0.074 R)
• M3: 1,224,459 km (0.113 R)
• M4: 1,709,904 km (0.046 R)
• M5: 2,425,430 km (0.05 R)
• M6: 3,106,998 km (0.12 R)
• M7: 4,524,288 km (0.063 R)
• M8: 5,397,342 km (0.059 R)
• M9: 6,312,133 km (0.078 R)
• M10: 7,553,346 km (0.112 R)
• M11: 11,095,973 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.3

Radius: 9.5

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.64 AU - 2.08 AU

Year: 1751 Days

Day: 12.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 72.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,506,177 km

• M1: 118,182 km (0.043 R)
• M2: 629,209 km (0.107 R)
• M3: 938,876 km (0.081 R)
• M4: 1,394,851 km (0.069 R)
• M5: 1,757,775 km (0.107 R)
• M6: 2,496,489 km (0.118 R)
• M7: 3,066,158 km (0.051 R)
• M8: 4,352,550 km (0.119 R)
• M9: 4,694,680 km (0.111 R)
• M10: 5,116,546 km (0.115 R)
• M11: 6,758,533 km (0.067 R)
• M12: 7,754,406 km (0.081 R)
• M13: 8,258,999 km (0.077 R)
• M14: 8,755,515 km (0.074 R)
• M15: 9,905,025 km (0.12 R)
• M16: 10,465,717 km (0.111 R)
• M17: 11,542,523 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.7

Radius: 10.5

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.27 AU - 2.29 AU

Year: 2376 Days

Day: 12.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,506,177 km

• M1: 131,048 km (0.1 R)
• M2: 1,491,940 km (0.07 R)
• M3: 3,247,919 km (0.07 R)
• M4: 4,528,328 km (0.096 R)
• M5: 4,884,670 km (0.039 R)
• M6: 5,701,923 km (0.073 R)
• M7: 6,093,271 km (0.088 R)
• M8: 6,875,817 km (0.034 R)
• M9: 7,348,098 km (0.107 R)
• M10: 8,021,587 km (0.091 R)
• M11: 8,514,064 km (0.076 R)
• M12: 9,559,454 km (0.069 R)
• M13: 11,708,277 km (0.086 R)
• M14: 12,545,277 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.9

Radius: 9

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.93 AU - 4.01 AU

Year: 4462 Days

Day: 7.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,506,177 km

• M1: 112,049 km (0.049 R)
• M2: 443,857 km (0.111 R)
• M3: 1,641,089 km (0.069 R)
• M4: 2,015,532 km (0.057 R)
• M5: 3,594,238 km (0.104 R)
• M6: 4,208,786 km (0.088 R)
• M7: 6,181,534 km (0.094 R)
• M8: 7,684,992 km (0.084 R)
• M9: 10,709,412 km (0.035 R)
• M10: 19,982,386 km (0.074 R)
• M11: 21,626,616 km (0.083 R)
• M12: 23,216,991 km (0.05 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.7

Radius: 12.5

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.02 AU - 4.12 AU

Year: 4656 Days

Day: 7.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,506,177 km

• M1: 155,432 km (0.052 R)
• M2: 790,326 km (0.117 R)
• M3: 1,589,328 km (0.078 R)
• M4: 2,223,024 km (0.109 R)
• M5: 3,465,584 km (0.039 R)
• M6: 4,490,330 km (0.095 R)
• M7: 5,073,911 km (0.086 R)
• M8: 6,088,484 km (0.118 R)
• M9: 8,631,648 km (0.118 R)
• M10: 9,617,797 km (0.054 R)
• M11: 11,441,844 km (0.116 R)
• M12: 11,861,017 km (0.097 R)
• M13: 13,486,398 km (0.115 R)
• M14: 14,165,871 km (0.088 R)
• M15: 15,707,028 km (0.087 R)
• M16: 18,732,645 km (0.069 R)
• M17: 19,250,404 km (0.09 R)
• M18: 23,818,674 km (0.041 R)
• M19: 24,426,640 km (0.09 R)
• M20: 27,044,901 km (0.076 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.2

Radius: 9.4

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.56 AU - 5.88 AU

Year: 8232 Days

Day: 8.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 34,506,177 km

• M1: 116,986 km (0.118 R)
• M2: 629,957 km (0.06 R)
• M3: 1,077,105 km (0.09 R)
• M4: 1,494,782 km (0.098 R)
• M5: 2,274,336 km (0.107 R)
• M6: 3,196,607 km (0.034 R)
• M7: 3,946,392 km (0.04 R)
• M8: 4,246,635 km (0.118 R)
• M9: 4,809,123 km (0.041 R)
• M10: 6,281,465 km (0.107 R)
• M11: 6,976,048 km (0.077 R)
• M12: 7,305,014 km (0.077 R)
• M13: 7,915,373 km (0.108 R)
• M14: 9,194,285 km (0.077 R)
• M15: 10,798,124 km (0.092 R)
• M16: 11,794,296 km (0.12 R)
• M17: 13,290,125 km (0.103 R)
• M18: 13,683,119 km (0.093 R)
• M19: 14,968,613 km (0.079 R)
• M20: 15,765,222 km (0.075 R)
• M21: 16,142,358 km (0.093 R)
• M22: 17,309,670 km (0.104 R)
• M23: 18,324,692 km (0.104 R)
• M24: 20,547,567 km (0.108 R)
• M25: 23,024,608 km (0.036 R)
• M26: 24,754,408 km (0.113 R)
• M27: 25,867,566 km (0.07 R)
• M28: 26,304,542 km (0.118 R)
• M29: 29,979,264 km (0.107 R)
• M30: 31,342,399 km (0.102 R)
• M31: 31,739,283 km (0.109 R)
• M32: 34,191,641 km (0.079 R)
• M33: 35,249,746 km (0.119 R)
• M34: 36,548,256 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.9

Radius: 4.6

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.19 AU - 7.59 AU

Year: 13867 Days

Day: 17 Hours

Environment

Temp: -236 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,506,177 km

• M1: 59,540 km (0.073 R)
• M2: 271,819 km (0.116 R)
• M3: 521,648 km (0.104 R)
• M4: 1,830,629 km (0.041 R)
• M5: 2,396,857 km (0.111 R)
• M6: 3,052,096 km (0.062 R)
• M7: 5,013,623 km (0.111 R)
• M8: 6,572,134 km (0.118 R)
• M9: 7,723,588 km (0.104 R)
• M10: 9,215,378 km (0.085 R)
• M11: 9,387,416 km (0.073 R)
• M12: 9,693,493 km (0.084 R)
• M13: 11,621,810 km (0.093 R)
• M14: 12,543,781 km (0.075 R)
• M15: 15,060,466 km (0.03 R)
• M16: 15,907,190 km (0.074 R)
• M17: 17,563,089 km (0.069 R)
• M18: 19,190,564 km (0.096 R)
• M19: 20,402,457 km (0.115 R)
• M20: 21,513,221 km (0.084 R)
• M21: 24,920,163 km (0.092 R)
• M22: 25,506,886 km (0.029 R)
• M23: 25,761,053 km (0.107 R)
• M24: 29,592,852 km (0.06 R)
• M25: 33,686,000 km (0.052 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: 492 - 14,152 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit