🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.5

Radius: 14.5

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.05 AU - 1.07 AU

Year: 716 Days

Day: 7.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,378,526 km

• M1: 180,415 km (0.104 R)
• M2: 956,678 km (0.111 R)
• M3: 1,631,215 km (0.105 R)
• M4: 2,122,794 km (0.109 R)
• M5: 3,846,161 km (0.103 R)
• M6: 4,344,771 km (0.107 R)
• M7: 5,059,550 km (0.057 R)
• M8: 5,774,777 km (0.088 R)
• M9: 6,661,892 km (0.063 R)
• M10: 7,317,580 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.2

Radius: 10.8

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.92 AU - 1.36 AU

Year: 798 Days

Day: 14.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,378,526 km

• M1: 139,575 km (0.112 R)
• M2: 609,163 km (0.111 R)
• M3: 981,960 km (0.036 R)
• M4: 1,604,437 km (0.094 R)
• M5: 2,208,214 km (0.098 R)
• M6: 2,694,258 km (0.049 R)
• M7: 3,151,130 km (0.059 R)
• M8: 3,647,196 km (0.085 R)
• M9: 4,036,749 km (0.054 R)
• M10: 4,724,002 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.8

Radius: 10.7

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1 AU - 1.56 AU

Year: 950 Days

Day: 14 Hours

Environment

Temp: -178 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 55,378,526 km

• M1: 486,941 km (0.057 R)
• M2: 1,079,648 km (0.114 R)
• M3: 1,856,958 km (0.074 R)
• M4: 2,992,107 km (0.055 R)
• M5: 3,624,308 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273

Radius: 12

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.33 AU - 6.05 AU

Year: 7756 Days

Day: 14.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,378,526 km

• M1: 149,747 km (0.12 R)
• M2: 706,850 km (0.11 R)
• M3: 1,185,264 km (0.091 R)
• M4: 1,613,862 km (0.09 R)
• M5: 2,313,232 km (0.107 R)
• M6: 3,897,473 km (0.045 R)
• M7: 4,998,514 km (0.066 R)
• M8: 5,665,271 km (0.12 R)
• M9: 6,327,691 km (0.085 R)
• M10: 7,452,517 km (0.071 R)
• M11: 8,862,477 km (0.083 R)
• M12: 9,383,526 km (0.108 R)
• M13: 9,798,212 km (0.074 R)
• M14: 11,070,542 km (0.118 R)
• M15: 11,913,825 km (0.069 R)
• M16: 14,702,030 km (0.081 R)
• M17: 16,247,825 km (0.075 R)
• M18: 18,025,945 km (0.069 R)
• M19: 19,998,243 km (0.059 R)
• M20: 24,837,136 km (0.036 R)
• M21: 27,107,134 km (0.057 R)
• M22: 27,695,652 km (0.041 R)
• M23: 29,072,701 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.5

Radius: 10.7

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.72 AU - 6.3 AU

Year: 8485 Days

Day: 8.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 91.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,378,526 km

• M1: 133,740 km (0.051 R)
• M2: 475,871 km (0.114 R)
• M3: 880,982 km (0.105 R)
• M4: 1,840,802 km (0.117 R)
• M5: 2,222,576 km (0.106 R)
• M6: 3,922,905 km (0.118 R)
• M7: 4,877,639 km (0.112 R)
• M8: 5,269,585 km (0.045 R)
• M9: 5,846,883 km (0.08 R)
• M10: 6,254,837 km (0.074 R)
• M11: 6,939,845 km (0.101 R)
• M12: 7,515,348 km (0.107 R)
• M13: 8,289,667 km (0.082 R)
• M14: 9,434,390 km (0.1 R)
• M15: 11,241,083 km (0.058 R)
• M16: 11,660,256 km (0.109 R)
• M17: 12,529,869 km (0.078 R)
• M18: 17,748,740 km (0.116 R)
• M19: 19,342,556 km (0.115 R)
• M20: 20,251,213 km (0.044 R)
• M21: 21,828,424 km (0.087 R)
• M22: 22,235,180 km (0.078 R)
• M23: 23,401,146 km (0.105 R)
• M24: 26,218,523 km (0.09 R)
• M25: 27,519,576 km (0.07 R)
• M26: 29,550,965 km (0.078 R)
• M27: 32,729,621 km (0.032 R)
• M28: 35,453,648 km (0.118 R)
• M29: 37,158,765 km (0.112 R)
• M30: 39,636,853 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551.4

Radius: 7.3

Gravity: 10.35 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.64 AU - 6.3 AU

Year: 9569 Days

Day: 22.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 55,378,526 km

• M1: 103,223 km (0.08 R)
• M2: 351,256 km (0.106 R)
• M3: 703,110 km (0.114 R)
• M4: 1,091,017 km (0.095 R)
• M5: 1,546,842 km (0.108 R)
• M6: 1,834,369 km (0.1 R)
• M7: 2,140,446 km (0.11 R)
• M8: 2,518,331 km (0.085 R)
• M9: 3,178,955 km (0.098 R)
• M10: 4,407,153 km (0.115 R)
• M11: 4,663,115 km (0.054 R)
• M12: 4,959,319 km (0.109 R)
• M13: 5,205,258 km (0.119 R)
• M14: 5,788,690 km (0.091 R)
• M15: 6,201,281 km (0.119 R)
• M16: 6,633,319 km (0.106 R)
• M17: 7,925,246 km (0.097 R)
• M18: 8,696,723 km (0.06 R)
• M19: 9,238,267 km (0.052 R)
• M20: 9,994,933 km (0.119 R)
• M21: 12,569,363 km (0.06 R)
• M22: 13,497,617 km (0.07 R)
• M23: 15,295,335 km (0.111 R)
• M24: 18,392,011 km (0.116 R)
• M25: 21,556,006 km (0.074 R)
• M26: 22,968,210 km (0.114 R)
• M27: 26,252,930 km (0.12 R)
• M28: 26,625,728 km (0.104 R)
• M29: 28,739,845 km (0.082 R)
• M30: 29,837,744 km (0.075 R)
• M31: 34,733,185 km (0.109 R)
• M32: 35,635,858 km (0.11 R)
• M33: 36,670,028 km (0.036 R)
• M34: 39,281,858 km (0.111 R)
• M35: 42,525,439 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924.2

Radius: 7.6

Gravity: 16 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.97 AU - 6.05 AU

Year: 9665 Days

Day: 18.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,378,526 km

• M1: 94,546 km (0.071 R)
• M2: 854,503 km (0.085 R)
• M3: 4,319,339 km (0.114 R)
• M4: 4,995,073 km (0.025 R)
• M5: 10,709,113 km (0.088 R)
• M6: 12,471,675 km (0.088 R)
• M7: 14,818,417 km (0.097 R)
• M8: 18,436,442 km (0.04 R)
• M9: 19,627,091 km (0.118 R)
• M10: 20,952,827 km (0.103 R)
• M11: 21,293,312 km (0.118 R)
• M12: 23,323,654 km (0.077 R)
• M13: 25,965,104 km (0.081 R)
• M14: 36,775,495 km (0.103 R)
• M15: 37,271,113 km (0.107 R)
• M16: 41,398,219 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 528.3

Radius: 7.7

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.79 AU - 8.71 AU

Year: 14153 Days

Day: 16.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,378,526 km

• M1: 95,743 km (0.099 R)
• M2: 418,425 km (0.118 R)
• M3: 734,226 km (0.11 R)
• M4: 1,125,126 km (0.091 R)
• M5: 1,376,300 km (0.032 R)
• M6: 2,807,802 km (0.059 R)
• M7: 3,277,091 km (0.114 R)
• M8: 3,689,383 km (0.118 R)
• M9: 4,342,228 km (0.119 R)
• M10: 4,712,034 km (0.108 R)
• M11: 6,643,641 km (0.069 R)
• M12: 7,347,499 km (0.061 R)
• M13: 8,284,580 km (0.058 R)
• M14: 9,706,508 km (0.048 R)
• M15: 11,925,045 km (0.119 R)
• M16: 16,807,470 km (0.034 R)
• M17: 18,988,009 km (0.074 R)
• M18: 20,315,391 km (0.097 R)
• M19: 21,262,944 km (0.076 R)
• M20: 31,383,240 km (0.12 R)
• M21: 37,026,520 km (0.107 R)
• M22: 37,280,537 km (0.092 R)
• M23: 38,438,574 km (0.114 R)
• M24: 38,960,821 km (0.111 R)
• M25: 51,366,224 km (0.052 R)
• M26: 53,606,751 km (0.094 R)
• M27: 54,751,026 km (0.046 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 206.1

Radius: 6.6

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 8.84 AU - 12.36 AU

Year: 22640 Days

Day: 21.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,378,526 km

• M1: 82,129 km (0.057 R)
• M2: 678,875 km (0.043 R)
• M3: 1,009,786 km (0.118 R)
• M4: 1,244,654 km (0.028 R)
• M5: 1,560,156 km (0.102 R)
• M6: 2,217,340 km (0.047 R)
• M7: 2,473,302 km (0.074 R)
• M8: 4,602,378 km (0.119 R)
• M9: 5,464,361 km (0.026 R)
• M10: 5,823,097 km (0.098 R)
• M11: 6,197,391 km (0.03 R)
• M12: 6,587,692 km (0.045 R)
• M13: 7,203,586 km (0.066 R)
• M14: 7,992,565 km (0.066 R)
• M15: 9,484,206 km (0.045 R)
• M16: 10,161,735 km (0.112 R)
• M17: 12,085,862 km (0.12 R)
• M18: 12,510,272 km (0.116 R)
• M19: 16,343,567 km (0.111 R)
• M20: 18,645,280 km (0.116 R)
• M21: 20,464,390 km (0.104 R)
• M22: 22,489,497 km (0.108 R)
• M23: 25,326,770 km (0.089 R)
• M24: 26,728,951 km (0.115 R)
• M25: 27,241,922 km (0.064 R)
• M26: 28,713,516 km (0.091 R)
• M27: 30,794,422 km (0.113 R)
• M28: 35,253,785 km (0.044 R)
• M29: 35,623,143 km (0.083 R)
• M30: 39,064,342 km (0.105 R)
• M31: 40,662,496 km (0.083 R)
• M32: 47,342,341 km (0.11 R)
• M33: 51,808,735 km (0.105 R)
• M34: 53,898,916 km (0.034 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 11,609 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit