🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770

Radius: 14

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.93 AU - 0.97 AU

Year: 607 Days

Day: 14.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,823,466 km

• M1: 174,132 km (0.083 R)
• M2: 648,656 km (0.112 R)
• M3: 1,269,488 km (0.036 R)
• M4: 1,783,805 km (0.11 R)
• M5: 2,407,778 km (0.069 R)
• M6: 2,856,871 km (0.074 R)
• M7: 3,530,809 km (0.084 R)
• M8: 4,013,561 km (0.086 R)
• M9: 4,556,302 km (0.071 R)
• M10: 5,147,962 km (0.088 R)
• M11: 6,209,209 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.7

Radius: 12.2

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.81 AU - 1.87 AU

Year: 1637 Days

Day: 10.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,823,466 km

• M1: 151,842 km (0.066 R)
• M2: 563,086 km (0.109 R)
• M3: 1,028,635 km (0.116 R)
• M4: 1,491,491 km (0.091 R)
• M5: 2,002,667 km (0.101 R)
• M6: 2,499,182 km (0.035 R)
• M7: 3,037,136 km (0.118 R)
• M8: 3,457,356 km (0.053 R)
• M9: 4,364,667 km (0.106 R)
• M10: 4,883,922 km (0.074 R)
• M11: 5,424,269 km (0.095 R)
• M12: 6,265,308 km (0.116 R)
• M13: 6,671,317 km (0.095 R)
• M14: 7,362,459 km (0.104 R)
• M15: 8,474,570 km (0.11 R)
• M16: 9,285,839 km (0.074 R)
• M17: 9,755,128 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.3

Radius: 13.9

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.21 AU - 2.97 AU

Year: 2734 Days

Day: 13.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,823,466 km

• M1: 172,935 km (0.11 R)
• M2: 733,478 km (0.104 R)
• M3: 1,182,272 km (0.108 R)
• M4: 2,101,401 km (0.087 R)
• M5: 2,823,361 km (0.042 R)
• M6: 3,302,223 km (0.032 R)
• M7: 3,835,540 km (0.111 R)
• M8: 4,700,963 km (0.093 R)
• M9: 5,284,994 km (0.051 R)
• M10: 5,841,797 km (0.072 R)
• M11: 6,764,367 km (0.082 R)
• M12: 7,690,976 km (0.115 R)
• M13: 9,101,235 km (0.11 R)
• M14: 9,975,934 km (0.091 R)
• M15: 11,060,070 km (0.073 R)
• M16: 12,221,398 km (0.099 R)
• M17: 12,810,365 km (0.107 R)
• M18: 13,286,385 km (0.117 R)
• M19: 13,729,345 km (0.053 R)
• M20: 15,117,912 km (0.105 R)
• M21: 16,598,333 km (0.102 R)
• M22: 17,060,740 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.7

Radius: 14.3

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.05 AU - 4.03 AU

Year: 4369 Days

Day: 12.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,823,466 km

• M1: 181,013 km (0.029 R)
• M2: 655,987 km (0.12 R)
• M3: 1,729,651 km (0.12 R)
• M4: 2,258,180 km (0.075 R)
• M5: 3,499,693 km (0.105 R)
• M6: 4,315,300 km (0.054 R)
• M7: 5,205,707 km (0.083 R)
• M8: 6,988,315 km (0.099 R)
• M9: 9,921,929 km (0.063 R)
• M10: 12,371,744 km (0.071 R)
• M11: 17,201,511 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.9

Radius: 11.8

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.03 AU - 4.13 AU

Year: 5406 Days

Day: 13.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,823,466 km

• M1: 153,936 km (0.055 R)
• M2: 529,726 km (0.065 R)
• M3: 906,413 km (0.083 R)
• M4: 1,813,126 km (0.109 R)
• M5: 2,474,050 km (0.109 R)
• M6: 3,113,730 km (0.12 R)
• M7: 4,750,032 km (0.095 R)
• M8: 7,410,031 km (0.106 R)
• M9: 7,909,838 km (0.084 R)
• M10: 9,381,282 km (0.117 R)
• M11: 11,257,988 km (0.094 R)
• M12: 12,260,293 km (0.118 R)
• M13: 14,169,761 km (0.084 R)
• M14: 16,329,356 km (0.073 R)
• M15: 18,311,378 km (0.1 R)
• M16: 18,962,428 km (0.115 R)
• M17: 20,657,521 km (0.026 R)
• M18: 21,939,126 km (0.065 R)
• M19: 23,197,394 km (0.035 R)
• M20: 23,882,851 km (0.114 R)
• M21: 25,695,828 km (0.096 R)
• M22: 26,512,034 km (0.11 R)
• M23: 27,598,862 km (0.052 R)
• M24: 28,541,479 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.4

Radius: 13.3

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.4 AU - 5.04 AU

Year: 6727 Days

Day: 7.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,823,466 km

• M1: 166,203 km (0.092 R)
• M2: 727,794 km (0.073 R)
• M3: 1,877,154 km (0.051 R)
• M4: 3,139,162 km (0.105 R)
• M5: 3,735,160 km (0.04 R)
• M6: 4,456,820 km (0.108 R)
• M7: 4,905,913 km (0.102 R)
• M8: 5,958,034 km (0.082 R)
• M9: 7,120,111 km (0.067 R)
• M10: 8,587,067 km (0.12 R)
• M11: 11,911,132 km (0.09 R)
• M12: 12,939,318 km (0.107 R)
• M13: 14,938,245 km (0.055 R)
• M14: 15,708,375 km (0.109 R)
• M15: 17,717,025 km (0.098 R)
• M16: 19,401,348 km (0.091 R)
• M17: 20,678,614 km (0.102 R)
• M18: 21,116,637 km (0.036 R)
• M19: 24,116,374 km (0.119 R)
• M20: 25,093,846 km (0.025 R)
• M21: 26,867,778 km (0.085 R)
• M22: 27,741,280 km (0.084 R)
• M23: 28,905,001 km (0.076 R)
• M24: 31,618,108 km (0.038 R)
• M25: 32,887,895 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.2

Radius: 4.4

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 6.63 AU - 7.35 AU

Year: 12123 Days

Day: 21 Hours

Environment

Temp: -223 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,823,466 km

• M1: 67,020 km (0.099 R)
• M2: 373,995 km (0.101 R)
• M3: 681,867 km (0.106 R)
• M4: 895,493 km (0.103 R)
• M5: 1,121,984 km (0.083 R)
• M6: 1,872,666 km (0.09 R)
• M7: 2,211,655 km (0.09 R)
• M8: 2,682,439 km (0.097 R)
• M9: 3,238,196 km (0.075 R)
• M10: 4,312,308 km (0.092 R)
• M11: 5,483,061 km (0.12 R)
• M12: 6,405,332 km (0.075 R)
• M13: 7,841,023 km (0.082 R)
• M14: 8,592,752 km (0.111 R)
• M15: 8,839,888 km (0.116 R)
• M16: 9,521,904 km (0.101 R)
• M17: 10,942,037 km (0.093 R)
• M18: 11,929,682 km (0.12 R)
• M19: 13,246,143 km (0.087 R)
• M20: 13,410,252 km (0.082 R)
• M21: 17,638,786 km (0.102 R)
• M22: 19,131,772 km (0.114 R)
• M23: 21,225,544 km (0.09 R)
• M24: 22,599,152 km (0.054 R)
• M25: 25,101,924 km (0.049 R)
• M26: 25,947,152 km (0.111 R)
• M27: 28,052,593 km (0.069 R)
• M28: 28,414,320 km (0.086 R)
• M29: 32,203,485 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324.1

Radius: 3.2

Gravity: 31.65 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 6.78 AU - 8.2 AU

Year: 13447 Days

Day: 23.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,823,466 km

• M1: 46,974 km (0.107 R)
• M2: 212,429 km (0.096 R)
• M3: 571,613 km (0.117 R)
• M4: 741,706 km (0.083 R)
• M5: 964,906 km (0.094 R)
• M6: 1,394,252 km (0.111 R)
• M7: 1,703,471 km (0.106 R)
• M8: 1,955,843 km (0.094 R)
• M9: 2,196,546 km (0.101 R)
• M10: 2,495,292 km (0.108 R)
• M11: 2,736,743 km (0.037 R)
• M12: 3,480,843 km (0.092 R)
• M13: 3,808,014 km (0.046 R)
• M14: 4,073,251 km (0.04 R)
• M15: 4,238,257 km (0.105 R)
• M16: 5,964,916 km (0.09 R)
• M17: 6,322,455 km (0.028 R)
• M18: 7,440,101 km (0.077 R)
• M19: 10,666,927 km (0.12 R)
• M20: 11,192,913 km (0.119 R)
• M21: 12,410,490 km (0.079 R)
• M22: 14,845,793 km (0.068 R)
• M23: 15,768,064 km (0.068 R)
• M24: 17,945,162 km (0.08 R)
• M25: 19,606,297 km (0.077 R)
• M26: 21,039,295 km (0.109 R)
• M27: 23,934,014 km (0.112 R)
• M28: 24,290,954 km (0.056 R)
• M29: 26,508,294 km (0.117 R)
• M30: 41,277,792 km (0.028 R)
• M31: 41,662,409 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.6

Radius: 5.9

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 7.73 AU - 8.21 AU

Year: 14760 Days

Day: 20.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,823,466 km

• M1: 79,586 km (0.06 R)
• M2: 409,749 km (0.054 R)
• M3: 827,575 km (0.088 R)
• M4: 1,786,797 km (0.043 R)
• M5: 3,708,232 km (0.081 R)
• M6: 4,083,124 km (0.111 R)
• M7: 4,792,368 km (0.113 R)
• M8: 10,219,031 km (0.079 R)
• M9: 15,935,464 km (0.099 R)
• M10: 17,812,918 km (0.11 R)
• M11: 22,403,927 km (0.109 R)
• M12: 24,493,510 km (0.119 R)
• M13: 25,718,567 km (0.059 R)
• M14: 26,165,864 km (0.081 R)
• M15: 28,101,362 km (0.102 R)
• M16: 28,480,443 km (0.065 R)
• M17: 29,152,287 km (0.075 R)
• M18: 30,031,473 km (0.114 R)
• M19: 30,427,758 km (0.12 R)
• M20: 33,512,466 km (0.105 R)
• M21: 39,697,291 km (0.065 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.8

Radius: 4.3

Gravity: 21.57 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 9.15 AU - 10.15 AU

Year: 19665 Days

Day: 22.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,823,466 km

• M1: 53,406 km (0.083 R)
• M2: 229,483 km (0.096 R)
• M3: 602,131 km (0.118 R)
• M4: 943,065 km (0.065 R)
• M5: 1,195,287 km (0.04 R)
• M6: 1,537,417 km (0.062 R)
• M7: 1,748,201 km (0.066 R)
• M8: 2,288,847 km (0.116 R)
• M9: 2,698,895 km (0.081 R)
• M10: 6,243,318 km (0.05 R)
• M11: 6,952,112 km (0.094 R)
• M12: 8,930,394 km (0.109 R)
• M13: 9,773,678 km (0.031 R)
• M14: 10,611,127 km (0.117 R)
• M15: 13,544,142 km (0.111 R)
• M16: 14,161,383 km (0.117 R)
• M17: 15,158,603 km (0.093 R)
• M18: 15,304,760 km (0.087 R)
• M19: 16,508,275 km (0.098 R)
• M20: 17,212,282 km (0.107 R)
• M21: 21,307,973 km (0.071 R)
• M22: 21,768,585 km (0.059 R)
• M23: 22,710,004 km (0.102 R)
• M24: 22,901,340 km (0.087 R)
• M25: 25,283,686 km (0.043 R)
• M26: 26,960,528 km (0.056 R)
• M27: 28,265,770 km (0.068 R)
• M28: 33,908,601 km (0.081 R)
• M29: 34,536,314 km (0.059 R)
• M30: 38,874,802 km (0.103 R)
• M31: 42,975,429 km (0.12 R)
• M32: 47,981,572 km (0.09 R)
• M33: 52,355,814 km (0.052 R)
• M34: 53,025,564 km (0.096 R)
• M35: 54,725,145 km (0.041 R)
• M36: 61,328,993 km (0.068 R)
• M37: 62,447,537 km (0.045 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: 285 - 18,761 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit