🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.2

Radius: 10

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.53 AU - 0.57 AU

Year: 272 Days

Day: 10.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,852,374 km

• M1: 124,465 km (0.104 R)
• M2: 469,588 km (0.071 R)
• M3: 797,805 km (0.12 R)
• M4: 1,208,152 km (0.111 R)
• M5: 1,564,495 km (0.117 R)
• M6: 2,088,835 km (0.094 R)
• M7: 2,672,267 km (0.116 R)
• M8: 3,042,521 km (0.098 R)
• M9: 3,523,329 km (0.114 R)
• M10: 4,313,954 km (0.102 R)

Asteroid Belt

Center: 1.01 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.6

Radius: 12.6

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.28 AU - 1.66 AU

Year: 1189 Days

Day: 7.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,852,374 km

• M1: 157,975 km (0.034 R)
• M2: 636,389 km (0.116 R)
• M3: 1,069,625 km (0.114 R)
• M4: 1,478,925 km (0.034 R)
• M5: 2,297,375 km (0.077 R)
• M6: 2,821,416 km (0.074 R)
• M7: 3,398,564 km (0.094 R)
• M8: 5,469,747 km (0.084 R)
• M9: 5,880,244 km (0.113 R)
• M10: 6,391,868 km (0.11 R)
• M11: 7,303,518 km (0.039 R)
• M12: 7,942,450 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.8

Radius: 8.6

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.38 AU - 1.72 AU

Year: 1287 Days

Day: 11.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,852,374 km

• M1: 109,954 km (0.088 R)
• M2: 419,024 km (0.067 R)
• M3: 723,904 km (0.108 R)
• M4: 1,084,285 km (0.066 R)
• M5: 1,537,118 km (0.112 R)
• M6: 2,079,560 km (0.106 R)
• M7: 2,479,884 km (0.071 R)
• M8: 2,849,839 km (0.107 R)
• M9: 3,733,514 km (0.051 R)
• M10: 4,563,483 km (0.085 R)
• M11: 5,202,116 km (0.099 R)
• M12: 5,942,925 km (0.054 R)
• M13: 6,466,966 km (0.095 R)
• M14: 7,246,970 km (0.044 R)
• M15: 8,760,751 km (0.118 R)
• M16: 10,281,114 km (0.057 R)
• M17: 11,070,242 km (0.119 R)
• M18: 11,479,542 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.9

Radius: 11.2

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.55 AU - 2.47 AU

Year: 1900 Days

Day: 8.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 61,852,374 km

• M1: 147,204 km (0.07 R)
• M2: 938,278 km (0.097 R)
• M3: 1,594,564 km (0.116 R)
• M4: 3,119,415 km (0.093 R)
• M5: 7,272,850 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.1

Radius: 9.9

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.96 AU - 2.9 AU

Year: 2526 Days

Day: 6.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,852,374 km

• M1: 124,615 km (0.109 R)
• M2: 549,024 km (0.106 R)
• M3: 915,689 km (0.113 R)
• M4: 1,323,343 km (0.116 R)
• M5: 1,679,386 km (0.113 R)
• M6: 2,935,110 km (0.087 R)
• M7: 5,602,590 km (0.032 R)
• M8: 6,351,178 km (0.041 R)
• M9: 8,211,876 km (0.048 R)
• M10: 9,613,758 km (0.119 R)
• M11: 10,101,895 km (0.096 R)
• M12: 11,374,375 km (0.101 R)
• M13: 12,440,559 km (0.113 R)
• M14: 15,573,886 km (0.114 R)
• M15: 17,877,245 km (0.088 R)
• M16: 18,964,073 km (0.057 R)
• M17: 19,672,718 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.3

Radius: 11.2

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.23 AU - 2.93 AU

Year: 2763 Days

Day: 8.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,852,374 km

• M1: 159,771 km (0.109 R)
• M2: 580,739 km (0.078 R)
• M3: 1,155,045 km (0.072 R)
• M4: 2,259,227 km (0.044 R)
• M5: 3,079,023 km (0.098 R)
• M6: 4,600,284 km (0.103 R)
• M7: 5,060,746 km (0.062 R)
• M8: 11,182,291 km (0.046 R)
• M9: 11,678,507 km (0.094 R)
• M10: 12,060,281 km (0.111 R)
• M11: 14,921,490 km (0.065 R)
• M12: 16,141,461 km (0.083 R)
• M13: 19,540,175 km (0.054 R)
• M14: 20,079,026 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.1

Radius: 11.4

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.13 AU - 3.55 AU

Year: 3192 Days

Day: 8.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,852,374 km

• M1: 142,716 km (0.093 R)
• M2: 647,908 km (0.08 R)
• M3: 1,051,523 km (0.091 R)
• M4: 2,495,442 km (0.096 R)
• M5: 2,947,676 km (0.086 R)
• M6: 4,126,208 km (0.04 R)
• M7: 5,129,711 km (0.097 R)
• M8: 5,675,743 km (0.069 R)
• M9: 6,702,134 km (0.038 R)
• M10: 8,862,627 km (0.118 R)
• M11: 10,402,886 km (0.111 R)
• M12: 11,935,367 km (0.118 R)
• M13: 12,432,331 km (0.078 R)
• M14: 13,419,527 km (0.119 R)
• M15: 14,006,699 km (0.08 R)
• M16: 17,837,751 km (0.108 R)
• M17: 18,849,332 km (0.113 R)
• M18: 21,512,024 km (0.107 R)
• M19: 22,589,278 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.5

Radius: 8.5

Gravity: 10.73 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.68 AU - 4.76 AU

Year: 5781 Days

Day: 11 Hours

Environment

Temp: -216 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,852,374 km

• M1: 105,915 km (0.088 R)
• M2: 504,594 km (0.109 R)
• M3: 816,655 km (0.096 R)
• M4: 1,155,344 km (0.072 R)
• M5: 1,488,200 km (0.119 R)
• M6: 1,758,972 km (0.111 R)
• M7: 2,219,584 km (0.082 R)
• M8: 2,522,818 km (0.052 R)
• M9: 3,130,934 km (0.086 R)
• M10: 3,491,913 km (0.099 R)
• M11: 3,763,284 km (0.119 R)
• M12: 4,272,366 km (0.044 R)
• M13: 4,663,564 km (0.119 R)
• M14: 5,762,360 km (0.058 R)
• M15: 8,997,265 km (0.112 R)
• M16: 11,960,649 km (0.092 R)
• M17: 12,371,744 km (0.084 R)
• M18: 18,405,624 km (0.069 R)
• M19: 19,654,467 km (0.11 R)
• M20: 21,783,993 km (0.098 R)
• M21: 22,166,066 km (0.058 R)
• M22: 22,786,748 km (0.095 R)
• M23: 23,180,489 km (0.118 R)
• M24: 24,062,668 km (0.075 R)
• M25: 24,718,355 km (0.099 R)
• M26: 27,194,948 km (0.087 R)
• M27: 29,088,408 km (0.086 R)
• M28: 32,238,790 km (0.095 R)
• M29: 34,668,110 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.6

Radius: 4.1

Gravity: 25.56 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 7.17 AU - 8.15 AU

Year: 14138 Days

Day: 16.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,852,374 km

• M1: 51,013 km (0.102 R)
• M2: 300,243 km (0.086 R)
• M3: 654,939 km (0.027 R)
• M4: 819,647 km (0.051 R)
• M5: 948,002 km (0.081 R)
• M6: 1,101,489 km (0.072 R)
• M7: 1,390,063 km (0.081 R)
• M8: 1,559,558 km (0.092 R)
• M9: 2,134,462 km (0.078 R)
• M10: 3,306,113 km (0.067 R)
• M11: 4,693,484 km (0.071 R)
• M12: 5,175,488 km (0.091 R)
• M13: 7,021,526 km (0.116 R)
• M14: 8,925,308 km (0.029 R)
• M15: 9,069,670 km (0.118 R)
• M16: 9,866,578 km (0.059 R)
• M17: 11,203,235 km (0.109 R)
• M18: 11,371,383 km (0.082 R)
• M19: 11,655,320 km (0.096 R)
• M20: 12,119,522 km (0.066 R)
• M21: 13,270,977 km (0.101 R)
• M22: 14,099,749 km (0.074 R)
• M23: 16,501,244 km (0.107 R)
• M24: 17,836,405 km (0.102 R)
• M25: 19,002,819 km (0.095 R)
• M26: 19,402,545 km (0.104 R)
• M27: 20,301,927 km (0.094 R)
• M28: 23,898,858 km (0.072 R)
• M29: 27,795,883 km (0.063 R)
• M30: 30,109,713 km (0.09 R)
• M31: 31,535,680 km (0.06 R)
• M32: 33,816,299 km (0.118 R)
• M33: 34,167,555 km (0.117 R)
• M34: 37,941,461 km (0.077 R)
• M35: 42,389,753 km (0.048 R)
• M36: 43,346,881 km (0.049 R)
• M37: 49,845,562 km (0.07 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.4

Radius: 4.9

Gravity: 30.67 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 6.61 AU - 8.71 AU

Year: 14138 Days

Day: 17.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 61,852,374 km

• M1: 69,114 km (0.057 R)
• M2: 226,940 km (0.03 R)
• M3: 555,307 km (0.116 R)
• M4: 1,003,503 km (0.095 R)
• M5: 1,696,141 km (0.118 R)
• M6: 3,190,923 km (0.072 R)
• M7: 3,811,604 km (0.117 R)
• M8: 4,319,639 km (0.102 R)
• M9: 4,871,655 km (0.093 R)
• M10: 5,042,645 km (0.098 R)
• M11: 5,217,675 km (0.029 R)
• M12: 5,616,951 km (0.094 R)
• M13: 5,804,996 km (0.092 R)
• M14: 7,066,854 km (0.12 R)
• M15: 7,420,054 km (0.082 R)
• M16: 9,053,514 km (0.106 R)
• M17: 10,397,650 km (0.065 R)
• M18: 10,854,522 km (0.1 R)
• M19: 12,242,342 km (0.115 R)
• M20: 12,751,573 km (0.071 R)
• M21: 13,812,371 km (0.117 R)
• M22: 14,017,620 km (0.032 R)
• M23: 16,107,801 km (0.086 R)
• M24: 17,108,910 km (0.1 R)
• M25: 17,504,746 km (0.098 R)
• M26: 20,536,945 km (0.113 R)
• M27: 32,656,766 km (0.119 R)
• M28: 33,758,256 km (0.106 R)
• M29: 37,210,675 km (0.115 R)
• M30: 38,277,158 km (0.104 R)
• M31: 38,682,269 km (0.074 R)
• M32: 43,328,929 km (0.066 R)
• M33: 46,013,762 km (0.084 R)
• M34: 46,625,168 km (0.109 R)
• M35: 47,396,944 km (0.107 R)
• M36: 48,177,246 km (0.11 R)
• M37: 51,220,366 km (0.107 R)
• M38: 54,559,391 km (0.105 R)
• M39: 57,509,311 km (0.047 R)
• M40: 60,930,166 km (0.068 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 17,850 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit