🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772

Radius: 10.1

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.83 AU - 1.23 AU

Year: 686 Days

Day: 8.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,712,247 km

• M1: 125,961 km (0.116 R)
• M2: 1,053,169 km (0.044 R)
• M3: 1,465,461 km (0.103 R)
• M4: 1,807,591 km (0.097 R)
• M5: 2,164,382 km (0.088 R)
• M6: 2,900,852 km (0.046 R)
• M7: 3,739,049 km (0.098 R)
• M8: 4,647,557 km (0.055 R)
• M9: 6,369,578 km (0.101 R)
• M10: 6,897,210 km (0.079 R)
• M11: 7,661,505 km (0.103 R)
• M12: 8,332,302 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.1

Radius: 13.1

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.04 AU - 1.1 AU

Year: 726 Days

Day: 12.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,712,247 km

• M1: 164,707 km (0.075 R)
• M2: 574,905 km (0.059 R)
• M3: 1,001,109 km (0.062 R)
• M4: 1,426,565 km (0.048 R)
• M5: 1,958,835 km (0.103 R)
• M6: 2,592,082 km (0.1 R)
• M7: 3,371,487 km (0.076 R)
• M8: 3,918,866 km (0.096 R)
• M9: 4,963,807 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.8

Radius: 8.6

Gravity: 12.72 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.05 AU - 1.13 AU

Year: 747 Days

Day: 7.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 19,712,247 km

• M1: 106,962 km (0.074 R)
• M2: 483,800 km (0.116 R)
• M3: 798,853 km (0.091 R)
• M4: 1,353,113 km (0.089 R)
• M5: 1,764,806 km (0.09 R)
• M6: 2,300,666 km (0.103 R)
• M7: 2,731,508 km (0.108 R)
• M8: 3,004,823 km (0.115 R)
• M9: 3,365,653 km (0.051 R)
• M10: 3,845,712 km (0.076 R)
• M11: 4,522,044 km (0.103 R)
• M12: 4,817,351 km (0.082 R)
• M13: 5,351,265 km (0.11 R)
• M14: 6,172,558 km (0.109 R)
• M15: 7,546,764 km (0.072 R)
• M16: 8,038,791 km (0.081 R)
• M17: 8,525,882 km (0.083 R)
• M18: 8,978,116 km (0.094 R)
• M19: 9,251,731 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238

Radius: 10.8

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.08 AU - 1.46 AU

Year: 939 Days

Day: 6.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 19,712,247 km

• M1: 134,488 km (0.053 R)
• M2: 491,429 km (0.113 R)
• M3: 1,061,397 km (0.101 R)
• M4: 1,398,590 km (0.073 R)
• M5: 1,833,172 km (0.085 R)
• M6: 2,416,155 km (0.076 R)
• M7: 2,757,388 km (0.094 R)
• M8: 3,238,794 km (0.098 R)
• M9: 3,735,459 km (0.106 R)
• M10: 4,371,250 km (0.065 R)
• M11: 4,786,533 km (0.104 R)
• M12: 5,678,735 km (0.088 R)
• M13: 6,024,456 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.7

Radius: 11

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.7 AU - 1.78 AU

Year: 1506 Days

Day: 11 Hours

Environment

Temp: -186 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 19,712,247 km

• M1: 140,921 km (0.047 R)
• M2: 555,606 km (0.086 R)
• M3: 986,598 km (0.103 R)
• M4: 1,753,736 km (0.104 R)
• M5: 2,710,863 km (0.113 R)
• M6: 3,869,648 km (0.072 R)
• M7: 4,815,256 km (0.097 R)
• M8: 6,200,233 km (0.105 R)
• M9: 8,438,666 km (0.117 R)
• M10: 9,251,731 km (0.116 R)
• M11: 9,616,002 km (0.099 R)
• M12: 10,503,117 km (0.097 R)
• M13: 11,374,824 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.5

Radius: 8.9

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.81 AU - 2.37 AU

Year: 1982 Days

Day: 7.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 19,712,247 km

• M1: 111,301 km (0.077 R)
• M2: 566,527 km (0.036 R)
• M3: 863,778 km (0.054 R)
• M4: 1,381,387 km (0.101 R)
• M5: 1,690,456 km (0.111 R)
• M6: 2,046,200 km (0.032 R)
• M7: 2,424,682 km (0.073 R)
• M8: 2,909,978 km (0.114 R)
• M9: 3,208,426 km (0.039 R)
• M10: 3,492,961 km (0.091 R)
• M11: 4,389,052 km (0.11 R)
• M12: 5,089,020 km (0.104 R)
• M13: 5,477,676 km (0.076 R)
• M14: 5,788,241 km (0.092 R)
• M15: 6,135,757 km (0.097 R)
• M16: 6,497,185 km (0.099 R)
• M17: 8,553,857 km (0.093 R)
• M18: 9,170,649 km (0.07 R)
• M19: 11,275,790 km (0.053 R)
• M20: 11,819,129 km (0.072 R)
• M21: 14,123,834 km (0.091 R)
• M22: 14,437,242 km (0.106 R)
• M23: 14,893,066 km (0.034 R)
• M24: 16,122,911 km (0.11 R)
• M25: 16,663,258 km (0.04 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.9

Radius: 10

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.51 AU - 2.77 AU

Year: 2814 Days

Day: 7.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 19,712,247 km

• M1: 124,465 km (0.119 R)
• M2: 678,875 km (0.066 R)
• M3: 997,369 km (0.114 R)
• M4: 2,540,621 km (0.077 R)
• M5: 3,304,617 km (0.105 R)
• M6: 3,750,419 km (0.063 R)
• M7: 4,995,372 km (0.047 R)
• M8: 6,109,727 km (0.073 R)
• M9: 6,841,859 km (0.079 R)
• M10: 7,950,828 km (0.071 R)
• M11: 8,345,916 km (0.107 R)
• M12: 8,685,054 km (0.117 R)
• M13: 9,983,414 km (0.083 R)
• M14: 10,365,936 km (0.042 R)
• M15: 13,555,362 km (0.077 R)
• M16: 16,911,740 km (0.094 R)
• M17: 19,751,556 km (0.044 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.6

Radius: 8.3

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.6 AU - 3.16 AU

Year: 3206 Days

Day: 12.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 19,712,247 km

• M1: 110,852 km (0.092 R)
• M2: 483,650 km (0.094 R)
• M3: 746,194 km (0.089 R)
• M4: 1,780,514 km (0.026 R)
• M5: 2,246,810 km (0.073 R)
• M6: 2,655,661 km (0.086 R)
• M7: 3,317,782 km (0.111 R)
• M8: 3,811,155 km (0.111 R)
• M9: 4,105,714 km (0.092 R)
• M10: 5,343,337 km (0.06 R)
• M11: 6,671,616 km (0.119 R)
• M12: 7,549,008 km (0.093 R)
• M13: 10,039,364 km (0.118 R)
• M14: 11,672,823 km (0.053 R)
• M15: 14,397,149 km (0.069 R)
• M16: 14,969,511 km (0.072 R)
• M17: 16,829,910 km (0.114 R)
• M18: 17,251,626 km (0.106 R)
• M19: 18,281,309 km (0.03 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.5

Radius: 14.8

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.64 AU - 3.86 AU

Year: 3844 Days

Day: 8.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 19,712,247 km

• M1: 184,155 km (0.048 R)
• M2: 788,680 km (0.059 R)
• M3: 1,333,515 km (0.056 R)
• M4: 2,805,110 km (0.055 R)
• M5: 3,819,533 km (0.115 R)
• M6: 4,928,801 km (0.056 R)
• M7: 5,546,939 km (0.094 R)
• M8: 6,270,395 km (0.111 R)
• M9: 7,503,380 km (0.043 R)
• M10: 8,722,603 km (0.103 R)
• M11: 11,758,542 km (0.085 R)
• M12: 12,561,733 km (0.058 R)
• M13: 17,951,894 km (0.086 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 18,761 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit