🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.1

Radius: 11.2

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.08 AU - 1.22 AU

Year: 809 Days

Day: 7.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,045,426 km

• M1: 139,276 km (0.114 R)
• M2: 507,735 km (0.088 R)
• M3: 978,370 km (0.088 R)
• M4: 1,965,716 km (0.039 R)
• M5: 2,736,743 km (0.098 R)
• M6: 3,495,953 km (0.107 R)
• M7: 4,440,364 km (0.093 R)
• M8: 5,240,563 km (0.113 R)
• M9: 5,825,640 km (0.084 R)
• M10: 7,845,511 km (0.074 R)
• M11: 8,691,487 km (0.108 R)
• M12: 9,041,097 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.4

Radius: 14.2

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.22 AU - 1.24 AU

Year: 895 Days

Day: 10.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,045,426 km

• M1: 177,573 km (0.116 R)
• M2: 655,239 km (0.12 R)
• M3: 1,317,808 km (0.047 R)
• M4: 1,800,410 km (0.096 R)
• M5: 2,268,053 km (0.054 R)
• M6: 2,817,975 km (0.102 R)
• M7: 3,429,232 km (0.059 R)
• M8: 4,051,110 km (0.064 R)
• M9: 4,764,842 km (0.078 R)
• M10: 5,447,457 km (0.052 R)
• M11: 6,153,708 km (0.115 R)
• M12: 6,810,293 km (0.085 R)
• M13: 7,798,088 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.6

Radius: 13.8

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.57 AU - 1.63 AU

Year: 1328 Days

Day: 9.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,045,426 km

• M1: 172,486 km (0.072 R)
• M2: 1,176,138 km (0.102 R)
• M3: 1,960,330 km (0.099 R)
• M4: 2,461,035 km (0.115 R)
• M5: 2,935,409 km (0.096 R)
• M6: 3,415,918 km (0.059 R)
• M7: 4,244,540 km (0.107 R)
• M8: 4,950,942 km (0.075 R)
• M9: 5,502,509 km (0.05 R)
• M10: 6,156,700 km (0.098 R)
• M11: 7,246,371 km (0.065 R)
• M12: 7,935,120 km (0.109 R)
• M13: 8,798,000 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797

Radius: 11.1

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.88 AU - 2.72 AU

Year: 2288 Days

Day: 9.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,045,426 km

• M1: 138,079 km (0.064 R)
• M2: 669,301 km (0.119 R)
• M3: 1,041,052 km (0.102 R)
• M4: 2,549,297 km (0.041 R)
• M5: 3,253,006 km (0.088 R)
• M6: 3,697,461 km (0.072 R)
• M7: 4,643,518 km (0.079 R)
• M8: 5,092,162 km (0.075 R)
• M9: 6,369,129 km (0.081 R)
• M10: 6,895,863 km (0.088 R)
• M11: 9,474,632 km (0.07 R)
• M12: 11,354,329 km (0.082 R)
• M13: 14,433,801 km (0.099 R)
• M14: 15,100,708 km (0.035 R)
• M15: 15,788,260 km (0.111 R)
• M16: 16,496,456 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.7

Radius: 10.8

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.08 AU - 3.1 AU

Year: 2734 Days

Day: 12 Hours

Environment

Temp: -208 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,045,426 km

• M1: 135,536 km (0.081 R)
• M2: 504,743 km (0.068 R)
• M3: 872,305 km (0.094 R)
• M4: 1,270,535 km (0.097 R)
• M5: 1,801,158 km (0.115 R)
• M6: 2,241,574 km (0.089 R)
• M7: 2,712,658 km (0.039 R)
• M8: 4,772,172 km (0.084 R)
• M9: 5,782,855 km (0.088 R)
• M10: 6,302,409 km (0.083 R)
• M11: 6,649,177 km (0.116 R)
• M12: 7,008,660 km (0.093 R)
• M13: 7,354,082 km (0.085 R)
• M14: 7,738,847 km (0.073 R)
• M15: 8,282,486 km (0.119 R)
• M16: 9,224,055 km (0.107 R)
• M17: 9,704,713 km (0.072 R)
• M18: 10,269,445 km (0.104 R)
• M19: 10,646,432 km (0.046 R)
• M20: 12,868,409 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.7

Radius: 10.7

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.68 AU - 3.22 AU

Year: 3324 Days

Day: 8.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,045,426 km

• M1: 133,142 km (0.11 R)
• M2: 605,572 km (0.113 R)
• M3: 1,162,226 km (0.065 R)
• M4: 1,886,130 km (0.116 R)
• M5: 2,248,306 km (0.07 R)
• M6: 2,721,933 km (0.087 R)
• M7: 3,187,931 km (0.111 R)
• M8: 3,788,267 km (0.029 R)
• M9: 4,416,728 km (0.09 R)
• M10: 4,816,603 km (0.113 R)
• M11: 5,240,563 km (0.094 R)
• M12: 6,484,768 km (0.105 R)
• M13: 7,160,352 km (0.082 R)
• M14: 7,747,524 km (0.091 R)
• M15: 8,331,255 km (0.043 R)
• M16: 9,055,309 km (0.07 R)
• M17: 10,964,178 km (0.039 R)
• M18: 12,984,497 km (0.115 R)
• M19: 13,808,781 km (0.03 R)
• M20: 14,258,921 km (0.118 R)
• M21: 17,399,728 km (0.093 R)
• M22: 18,703,025 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.6

Radius: 10.9

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.96 AU - 4.64 AU

Year: 5849 Days

Day: 6.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,045,426 km

• M1: 137,630 km (0.098 R)
• M2: 642,074 km (0.094 R)
• M3: 1,109,867 km (0.08 R)
• M4: 2,038,720 km (0.109 R)
• M5: 3,292,649 km (0.119 R)
• M6: 4,664,910 km (0.05 R)
• M7: 5,921,233 km (0.103 R)
• M8: 9,003,398 km (0.075 R)
• M9: 9,485,403 km (0.072 R)
• M10: 9,938,535 km (0.099 R)
• M11: 11,035,685 km (0.102 R)
• M12: 11,845,309 km (0.099 R)
• M13: 13,077,846 km (0.107 R)
• M14: 15,360,410 km (0.117 R)
• M15: 15,796,488 km (0.079 R)
• M16: 18,102,539 km (0.076 R)
• M17: 19,156,456 km (0.082 R)
• M18: 19,734,951 km (0.108 R)
• M19: 23,866,695 km (0.076 R)
• M20: 27,799,772 km (0.065 R)
• M21: 31,242,169 km (0.098 R)
• M22: 31,943,035 km (0.091 R)
• M23: 34,638,340 km (0.119 R)
• M24: 36,150,774 km (0.076 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476

Radius: 8.9

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.73 AU - 5.13 AU

Year: 7181 Days

Day: 5.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,045,426 km

• M1: 113,545 km (0.108 R)
• M2: 528,978 km (0.106 R)
• M3: 1,054,665 km (0.059 R)
• M4: 1,468,154 km (0.101 R)
• M5: 3,478,749 km (0.108 R)
• M6: 3,770,614 km (0.068 R)
• M7: 4,585,773 km (0.072 R)
• M8: 5,880,692 km (0.09 R)
• M9: 6,800,420 km (0.028 R)
• M10: 7,889,193 km (0.111 R)
• M11: 9,132,202 km (0.065 R)
• M12: 11,850,395 km (0.107 R)
• M13: 12,724,047 km (0.12 R)
• M14: 17,033,214 km (0.053 R)
• M15: 17,879,190 km (0.109 R)
• M16: 21,770,529 km (0.11 R)
• M17: 26,449,203 km (0.089 R)
• M18: 27,143,038 km (0.098 R)
• M19: 29,760,252 km (0.096 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 18,487 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit