🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.6

Radius: 12.5

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.92 AU - 1.06 AU

Year: 668 Days

Day: 5.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,076,213 km

• M1: 155,881 km (0.059 R)
• M2: 561,142 km (0.051 R)
• M3: 950,395 km (0.115 R)
• M4: 1,494,483 km (0.113 R)
• M5: 2,049,042 km (0.109 R)
• M6: 2,492,899 km (0.047 R)
• M7: 3,001,232 km (0.095 R)
• M8: 4,043,930 km (0.117 R)
• M9: 4,784,439 km (0.105 R)
• M10: 5,613,211 km (0.047 R)
• M11: 6,368,232 km (0.083 R)
• M12: 7,257,591 km (0.077 R)
• M13: 7,839,527 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.9

Radius: 12

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.3 AU - 1.72 AU

Year: 1259 Days

Day: 7.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,076,213 km

• M1: 149,299 km (0.103 R)
• M2: 534,962 km (0.115 R)
• M3: 923,168 km (0.075 R)
• M4: 1,360,742 km (0.093 R)
• M5: 1,767,499 km (0.04 R)
• M6: 2,199,089 km (0.028 R)
• M7: 2,727,768 km (0.102 R)
• M8: 3,655,574 km (0.102 R)
• M9: 4,130,696 km (0.085 R)
• M10: 4,802,391 km (0.087 R)
• M11: 5,185,511 km (0.077 R)
• M12: 6,728,015 km (0.039 R)
• M13: 7,106,048 km (0.067 R)
• M14: 8,470,082 km (0.118 R)
• M15: 9,214,331 km (0.08 R)
• M16: 10,296,073 km (0.071 R)
• M17: 10,867,687 km (0.117 R)
• M18: 12,148,394 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.4

Radius: 13.6

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.43 AU - 1.65 AU

Year: 1296 Days

Day: 13.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,076,213 km

• M1: 169,195 km (0.1 R)
• M2: 619,634 km (0.085 R)
• M3: 1,128,566 km (0.068 R)
• M4: 2,106,188 km (0.075 R)
• M5: 2,853,879 km (0.108 R)
• M6: 3,414,871 km (0.084 R)
• M7: 3,961,202 km (0.05 R)
• M8: 4,413,736 km (0.076 R)
• M9: 6,290,142 km (0.092 R)
• M10: 7,168,132 km (0.105 R)
• M11: 7,678,111 km (0.073 R)
• M12: 8,415,329 km (0.069 R)
• M13: 9,075,504 km (0.114 R)
• M14: 11,516,942 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.4

Radius: 12.8

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.26 AU - 4.04 AU

Year: 4730 Days

Day: 8.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,076,213 km

• M1: 159,920 km (0.118 R)
• M2: 695,780 km (0.079 R)
• M3: 1,211,593 km (0.077 R)
• M4: 2,291,690 km (0.075 R)
• M5: 3,388,093 km (0.036 R)
• M6: 4,539,547 km (0.025 R)
• M7: 4,969,043 km (0.104 R)
• M8: 6,149,819 km (0.077 R)
• M9: 6,620,454 km (0.066 R)
• M10: 8,886,862 km (0.051 R)
• M11: 9,381,432 km (0.077 R)
• M12: 12,093,193 km (0.087 R)
• M13: 13,559,252 km (0.08 R)
• M14: 14,893,665 km (0.057 R)
• M15: 16,313,648 km (0.039 R)
• M16: 17,877,694 km (0.057 R)
• M17: 20,438,510 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.4

Radius: 11.5

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.39 AU - 5.87 AU

Year: 9061 Days

Day: 6.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 57,076,213 km

• M1: 150,495 km (0.117 R)
• M2: 588,368 km (0.067 R)
• M3: 1,093,860 km (0.097 R)
• M4: 1,960,929 km (0.104 R)
• M5: 2,600,609 km (0.109 R)
• M6: 3,284,272 km (0.115 R)
• M7: 3,854,240 km (0.083 R)
• M8: 4,270,122 km (0.08 R)
• M9: 5,379,689 km (0.082 R)
• M10: 6,104,790 km (0.069 R)
• M11: 6,931,318 km (0.081 R)
• M12: 8,288,021 km (0.068 R)
• M13: 8,984,549 km (0.104 R)
• M14: 12,277,497 km (0.061 R)
• M15: 13,771,232 km (0.08 R)
• M16: 16,233,912 km (0.039 R)
• M17: 16,705,145 km (0.071 R)
• M18: 17,394,193 km (0.072 R)
• M19: 18,246,003 km (0.094 R)
• M20: 18,976,939 km (0.088 R)
• M21: 21,447,248 km (0.05 R)
• M22: 22,343,938 km (0.118 R)
• M23: 22,927,370 km (0.102 R)
• M24: 23,692,413 km (0.114 R)
• M25: 25,184,054 km (0.043 R)
• M26: 26,458,627 km (0.073 R)
• M27: 27,584,950 km (0.117 R)
• M28: 29,532,714 km (0.078 R)
• M29: 31,884,243 km (0.08 R)
• M30: 32,624,004 km (0.115 R)
• M31: 34,800,803 km (0.079 R)
• M32: 35,697,941 km (0.095 R)
• M33: 37,305,221 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 870.5

Radius: 4.5

Gravity: 42.99 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.63 AU - 7.59 AU

Year: 11526 Days

Day: 21.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,076,213 km

• M1: 56,249 km (0.116 R)
• M2: 298,448 km (0.112 R)
• M3: 472,280 km (0.094 R)
• M4: 925,712 km (0.115 R)
• M5: 1,564,943 km (0.109 R)
• M6: 1,705,865 km (0.082 R)
• M7: 2,180,539 km (0.12 R)
• M8: 2,521,771 km (0.069 R)
• M9: 3,209,473 km (0.078 R)
• M10: 3,900,166 km (0.119 R)
• M11: 4,131,444 km (0.077 R)
• M12: 6,013,834 km (0.082 R)
• M13: 6,283,410 km (0.063 R)
• M14: 6,561,063 km (0.109 R)
• M15: 7,799,135 km (0.082 R)
• M16: 10,839,563 km (0.101 R)
• M17: 11,707,230 km (0.067 R)
• M18: 14,655,804 km (0.041 R)
• M19: 18,303,150 km (0.113 R)
• M20: 22,420,682 km (0.119 R)
• M21: 27,115,063 km (0.085 R)
• M22: 28,490,615 km (0.075 R)
• M23: 30,134,995 km (0.064 R)
• M24: 36,832,492 km (0.048 R)
• M25: 37,733,520 km (0.054 R)
• M26: 42,040,742 km (0.058 R)
• M27: 45,478,201 km (0.08 R)
• M28: 47,871,019 km (0.089 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 17,947 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit