🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215

Radius: 9.7

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.63 AU - 0.73 AU

Year: 387 Days

Day: 13.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,247,146 km

• M1: 125,812 km (0.095 R)
• M2: 436,676 km (0.117 R)
• M3: 666,459 km (0.108 R)
• M4: 867,368 km (0.115 R)
• M5: 1,092,064 km (0.034 R)
• M6: 1,668,016 km (0.084 R)
• M7: 2,005,958 km (0.056 R)
• M8: 2,964,731 km (0.072 R)
• M9: 3,213,362 km (0.078 R)
• M10: 3,410,083 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.4

Radius: 10.3

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.59 AU - 0.91 AU

Year: 448 Days

Day: 13.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,247,146 km

• M1: 128,355 km (0.058 R)
• M2: 329,115 km (0.119 R)
• M3: 572,960 km (0.087 R)
• M4: 857,345 km (0.107 R)
• M5: 1,102,088 km (0.088 R)
• M6: 1,312,572 km (0.112 R)
• M7: 1,703,172 km (0.113 R)
• M8: 1,998,777 km (0.095 R)
• M9: 2,214,198 km (0.112 R)
• M10: 2,552,289 km (0.03 R)
• M11: 2,745,420 km (0.109 R)
• M12: 2,953,511 km (0.033 R)
• M13: 3,232,810 km (0.074 R)
• M14: 3,558,634 km (0.107 R)
• M15: 3,761,788 km (0.099 R)
• M16: 4,528,627 km (0.102 R)
• M17: 4,905,165 km (0.097 R)
• M18: 5,184,913 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.7

Radius: 13.5

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.8 AU - 1 AU

Year: 589 Days

Day: 11.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,247,146 km

• M1: 168,148 km (0.1 R)
• M2: 460,761 km (0.034 R)
• M3: 802,742 km (0.063 R)
• M4: 1,275,172 km (0.077 R)
• M5: 1,682,826 km (0.045 R)
• M6: 1,995,037 km (0.098 R)
• M7: 2,568,895 km (0.089 R)
• M8: 2,867,193 km (0.116 R)
• M9: 3,125,848 km (0.102 R)
• M10: 3,546,218 km (0.112 R)
• M11: 4,346,117 km (0.082 R)
• M12: 5,255,672 km (0.053 R)
• M13: 5,647,170 km (0.11 R)
• M14: 6,146,827 km (0.118 R)
• M15: 6,432,409 km (0.105 R)
• M16: 6,851,732 km (0.114 R)
• M17: 7,343,460 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862

Radius: 8.5

Gravity: 11.93 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.89 AU - 1.11 AU

Year: 690 Days

Day: 8 Hours

Environment

Temp: -177 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 20,247,146 km

• M1: 106,962 km (0.084 R)
• M2: 276,756 km (0.11 R)
• M3: 470,784 km (0.035 R)
• M4: 849,267 km (0.084 R)
• M5: 1,111,811 km (0.119 R)
• M6: 1,341,295 km (0.093 R)
• M7: 1,681,480 km (0.116 R)
• M8: 1,871,021 km (0.082 R)
• M9: 2,247,708 km (0.074 R)
• M10: 2,413,911 km (0.115 R)
• M11: 2,577,123 km (0.082 R)
• M12: 2,920,150 km (0.085 R)
• M13: 3,830,154 km (0.117 R)
• M14: 4,284,782 km (0.087 R)
• M15: 4,515,612 km (0.039 R)
• M16: 4,854,601 km (0.115 R)
• M17: 5,487,998 km (0.092 R)
• M18: 5,693,994 km (0.061 R)
• M19: 6,827,946 km (0.052 R)
• M20: 7,151,077 km (0.103 R)
• M21: 7,465,981 km (0.107 R)
• M22: 7,658,214 km (0.079 R)
• M23: 7,901,909 km (0.112 R)
• M24: 8,099,678 km (0.054 R)
• M25: 8,266,330 km (0.098 R)
• M26: 8,536,653 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903

Radius: 10

Gravity: 9.03 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.9 AU - 1.32 AU

Year: 807 Days

Day: 8.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 20,247,146 km

• M1: 134,937 km (0.102 R)
• M2: 342,430 km (0.047 R)
• M3: 559,945 km (0.092 R)
• M4: 917,185 km (0.087 R)
• M5: 1,116,898 km (0.11 R)
• M6: 1,359,695 km (0.117 R)
• M7: 1,636,601 km (0.079 R)
• M8: 1,983,817 km (0.117 R)
• M9: 2,528,054 km (0.104 R)
• M10: 3,498,197 km (0.082 R)
• M11: 3,814,147 km (0.055 R)
• M12: 4,206,692 km (0.048 R)
• M13: 4,619,283 km (0.117 R)
• M14: 5,121,034 km (0.089 R)
• M15: 5,678,586 km (0.049 R)
• M16: 5,885,779 km (0.104 R)
• M17: 6,296,425 km (0.108 R)
• M18: 6,483,422 km (0.085 R)
• M19: 6,721,133 km (0.1 R)
• M20: 7,359,617 km (0.029 R)
• M21: 7,562,023 km (0.116 R)
• M22: 8,027,571 km (0.074 R)
• M23: 8,688,495 km (0.097 R)
• M24: 8,890,003 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.8

Radius: 8.3

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.17 AU - 1.19 AU

Year: 885 Days

Day: 6.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,247,146 km

• M1: 103,971 km (0.081 R)
• M2: 284,984 km (0.04 R)
• M3: 605,572 km (0.103 R)
• M4: 775,366 km (0.1 R)
• M5: 1,026,840 km (0.058 R)
• M6: 1,397,394 km (0.054 R)
• M7: 1,817,165 km (0.108 R)
• M8: 1,979,329 km (0.045 R)
• M9: 2,177,696 km (0.057 R)
• M10: 2,959,495 km (0.066 R)
• M11: 3,203,190 km (0.086 R)
• M12: 4,004,137 km (0.086 R)
• M13: 4,226,439 km (0.109 R)
• M14: 4,402,516 km (0.088 R)
• M15: 5,395,397 km (0.043 R)
• M16: 5,559,206 km (0.106 R)
• M17: 6,151,913 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.6

Radius: 8.3

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.17 AU - 1.73 AU

Year: 1205 Days

Day: 7.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 20,247,146 km

• M1: 113,545 km (0.071 R)
• M2: 273,016 km (0.107 R)
• M3: 433,684 km (0.116 R)
• M4: 594,652 km (0.028 R)
• M5: 854,952 km (0.115 R)
• M6: 1,446,611 km (0.088 R)
• M7: 1,715,439 km (0.103 R)
• M8: 1,900,043 km (0.11 R)
• M9: 2,208,962 km (0.067 R)
• M10: 2,678,849 km (0.117 R)
• M11: 2,931,370 km (0.112 R)
• M12: 3,184,939 km (0.088 R)
• M13: 3,494,606 km (0.102 R)
• M14: 3,736,656 km (0.08 R)
• M15: 4,109,005 km (0.115 R)
• M16: 4,538,351 km (0.058 R)
• M17: 4,774,566 km (0.072 R)
• M18: 5,085,280 km (0.079 R)
• M19: 5,491,139 km (0.115 R)
• M20: 6,107,333 km (0.097 R)
• M21: 6,552,237 km (0.104 R)
• M22: 7,208,373 km (0.108 R)
• M23: 8,419,667 km (0.059 R)
• M24: 8,960,164 km (0.064 R)
• M25: 9,329,821 km (0.067 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.4

Radius: 13.7

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.84 AU - 2.76 AU

Year: 2408 Days

Day: 10.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 134.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 20,247,146 km

• M1: 170,841 km (0.055 R)
• M2: 697,276 km (0.086 R)
• M3: 1,124,378 km (0.113 R)
• M4: 1,486,105 km (0.1 R)
• M5: 1,766,900 km (0.071 R)
• M6: 2,436,800 km (0.088 R)
• M7: 2,700,391 km (0.087 R)
• M8: 3,008,563 km (0.094 R)
• M9: 3,678,013 km (0.082 R)
• M10: 3,934,274 km (0.102 R)
• M11: 4,217,613 km (0.096 R)
• M12: 5,494,879 km (0.047 R)
• M13: 5,830,876 km (0.091 R)
• M14: 6,466,069 km (0.111 R)
• M15: 6,993,700 km (0.117 R)
• M16: 7,373,380 km (0.085 R)
• M17: 8,444,650 km (0.092 R)
• M18: 9,155,390 km (0.115 R)
• M19: 11,402,649 km (0.11 R)
• M20: 12,197,014 km (0.117 R)
• M21: 12,794,807 km (0.033 R)
• M22: 14,167,367 km (0.04 R)
• M23: 14,504,710 km (0.052 R)
• M24: 14,880,351 km (0.098 R)
• M25: 15,156,508 km (0.083 R)
• M26: 16,431,381 km (0.115 R)
• M27: 16,867,908 km (0.103 R)
• M28: 17,421,719 km (0.107 R)
• M29: 17,946,658 km (0.073 R)
• M30: 19,490,059 km (0.088 R)
• M31: 20,205,586 km (0.09 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.2

Radius: 12.2

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.24 AU - 3.86 AU

Year: 4617 Days

Day: 8.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 20,247,146 km

• M1: 153,787 km (0.042 R)
• M2: 422,165 km (0.118 R)
• M3: 739,313 km (0.088 R)
• M4: 1,004,550 km (0.04 R)
• M5: 1,397,693 km (0.116 R)
• M6: 1,738,477 km (0.088 R)
• M7: 2,248,306 km (0.075 R)
• M8: 2,785,064 km (0.119 R)
• M9: 3,546,218 km (0.097 R)
• M10: 4,996,419 km (0.092 R)
• M11: 5,648,367 km (0.106 R)
• M12: 5,968,207 km (0.03 R)
• M13: 6,297,023 km (0.079 R)
• M14: 7,242,183 km (0.111 R)
• M15: 9,253,526 km (0.113 R)
• M16: 10,168,018 km (0.093 R)
• M17: 11,636,919 km (0.101 R)
• M18: 12,035,298 km (0.074 R)
• M19: 12,377,728 km (0.057 R)
• M20: 12,629,800 km (0.118 R)
• M21: 13,532,324 km (0.09 R)
• M22: 14,500,372 km (0.117 R)
• M23: 16,212,669 km (0.081 R)
• M24: 18,173,449 km (0.115 R)
• M25: 18,671,609 km (0.096 R)
• M26: 18,981,576 km (0.032 R)
• M27: 19,372,625 km (0.119 R)
• M28: 20,126,748 km (0.098 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 12,141 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit