🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.52 AU - 0.62 AU

Year: 282 Days

Day: 16.8 Hours

Environment

Temp: -115 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.4

Radius: 9.6

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.56 AU - 0.92 AU

Year: 418 Days

Day: 9.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,623,296 km

• M1: 119,379 km (0.075 R)
• M2: 420,071 km (0.082 R)
• M3: 796,160 km (0.054 R)
• M4: 1,293,722 km (0.034 R)
• M5: 1,728,603 km (0.092 R)
• M6: 2,056,971 km (0.051 R)
• M7: 2,436,949 km (0.107 R)
• M8: 2,842,060 km (0.097 R)
• M9: 3,256,446 km (0.071 R)
• M10: 4,151,640 km (0.044 R)
• M11: 4,916,983 km (0.118 R)
• M12: 6,002,315 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.8

Radius: 9.8

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.84 AU - 1 AU

Year: 579 Days

Day: 5.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,623,296 km

• M1: 122,221 km (0.079 R)
• M2: 514,617 km (0.045 R)
• M3: 821,143 km (0.076 R)
• M4: 1,715,888 km (0.117 R)
• M5: 2,138,651 km (0.089 R)
• M6: 2,572,036 km (0.055 R)
• M7: 2,945,582 km (0.114 R)
• M8: 3,309,105 km (0.106 R)
• M9: 3,702,547 km (0.097 R)
• M10: 4,021,340 km (0.062 R)
• M11: 4,386,359 km (0.087 R)
• M12: 4,788,029 km (0.11 R)
• M13: 5,356,651 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.4

Radius: 8.3

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.19 AU - 1.25 AU

Year: 884 Days

Day: 5.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,623,296 km

• M1: 103,223 km (0.096 R)
• M2: 396,135 km (0.083 R)
• M3: 730,187 km (0.034 R)
• M4: 1,097,749 km (0.109 R)
• M5: 1,372,560 km (0.053 R)
• M6: 1,652,009 km (0.067 R)
• M7: 2,306,949 km (0.119 R)
• M8: 2,729,563 km (0.082 R)
• M9: 3,730,223 km (0.104 R)
• M10: 4,186,347 km (0.066 R)
• M11: 4,834,255 km (0.069 R)
• M12: 5,320,897 km (0.115 R)
• M13: 5,760,715 km (0.061 R)
• M14: 6,183,329 km (0.098 R)
• M15: 6,757,037 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.3

Radius: 8.2

Gravity: 12.71 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.58 AU - 2.18 AU

Year: 1691 Days

Day: 13 Hours

Environment

Temp: -183 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,623,296 km

• M1: 102,624 km (0.081 R)
• M2: 410,497 km (0.113 R)
• M3: 701,913 km (0.111 R)
• M4: 1,198,279 km (0.088 R)
• M5: 1,760,767 km (0.114 R)
• M6: 2,205,970 km (0.098 R)
• M7: 2,597,767 km (0.076 R)
• M8: 4,153,734 km (0.112 R)
• M9: 5,977,183 km (0.04 R)
• M10: 6,875,069 km (0.105 R)
• M11: 7,426,936 km (0.091 R)
• M12: 7,801,230 km (0.099 R)
• M13: 8,808,323 km (0.059 R)
• M14: 10,424,279 km (0.075 R)
• M15: 10,748,009 km (0.107 R)
• M16: 11,798,186 km (0.104 R)
• M17: 13,884,178 km (0.088 R)
• M18: 14,232,293 km (0.063 R)
• M19: 14,991,502 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.1

Radius: 11.9

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.85 AU - 3.49 AU

Year: 3703 Days

Day: 6.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,623,296 km

• M1: 148,551 km (0.081 R)
• M2: 619,784 km (0.085 R)
• M3: 1,159,683 km (0.026 R)
• M4: 2,492,600 km (0.103 R)
• M5: 3,113,281 km (0.092 R)
• M6: 4,714,726 km (0.076 R)
• M7: 5,282,899 km (0.106 R)
• M8: 5,781,210 km (0.12 R)
• M9: 7,132,976 km (0.05 R)
• M10: 8,387,504 km (0.075 R)
• M11: 9,421,076 km (0.071 R)
• M12: 12,737,660 km (0.112 R)
• M13: 13,945,514 km (0.115 R)
• M14: 16,881,222 km (0.049 R)
• M15: 17,720,765 km (0.101 R)
• M16: 19,031,841 km (0.104 R)
• M17: 20,947,591 km (0.05 R)
• M18: 26,894,107 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.3

Radius: 8.6

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.58 AU - 4.86 AU

Year: 6727 Days

Day: 9.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,623,296 km

• M1: 107,112 km (0.118 R)
• M2: 379,231 km (0.099 R)
• M3: 680,670 km (0.099 R)
• M4: 1,179,729 km (0.109 R)
• M5: 1,537,417 km (0.11 R)
• M6: 2,137,604 km (0.081 R)
• M7: 3,894,631 km (0.115 R)
• M8: 4,192,929 km (0.065 R)
• M9: 4,668,950 km (0.104 R)
• M10: 4,977,420 km (0.106 R)
• M11: 5,573,119 km (0.117 R)
• M12: 7,457,603 km (0.101 R)
• M13: 8,731,130 km (0.093 R)
• M14: 9,463,711 km (0.105 R)
• M15: 9,777,118 km (0.105 R)
• M16: 10,519,423 km (0.104 R)
• M17: 11,499,588 km (0.109 R)
• M18: 11,960,051 km (0.09 R)
• M19: 17,000,152 km (0.108 R)
• M20: 18,004,104 km (0.073 R)
• M21: 20,277,243 km (0.106 R)
• M22: 22,575,964 km (0.097 R)
• M23: 23,379,305 km (0.062 R)
• M24: 24,451,922 km (0.112 R)
• M25: 25,042,983 km (0.104 R)
• M26: 25,470,833 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.4

Radius: 7.8

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.75 AU - 6.23 AU

Year: 9617 Days

Day: 19.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 54,623,296 km

• M1: 104,719 km (0.105 R)
• M2: 524,041 km (0.118 R)
• M3: 838,496 km (0.087 R)
• M4: 1,478,476 km (0.108 R)
• M5: 2,107,984 km (0.098 R)
• M6: 2,522,220 km (0.058 R)
• M7: 3,032,947 km (0.115 R)
• M8: 3,394,824 km (0.114 R)
• M9: 3,760,142 km (0.099 R)
• M10: 4,803,737 km (0.097 R)
• M11: 5,425,017 km (0.072 R)
• M12: 6,063,800 km (0.117 R)
• M13: 7,450,124 km (0.12 R)
• M14: 7,858,675 km (0.066 R)
• M15: 8,675,779 km (0.115 R)
• M16: 10,030,388 km (0.103 R)
• M17: 10,327,339 km (0.062 R)
• M18: 11,200,841 km (0.115 R)
• M19: 12,516,704 km (0.073 R)
• M20: 14,178,587 km (0.032 R)
• M21: 16,593,246 km (0.055 R)
• M22: 17,502,951 km (0.115 R)
• M23: 17,789,580 km (0.117 R)
• M24: 19,193,407 km (0.116 R)
• M25: 19,498,138 km (0.101 R)
• M26: 20,989,928 km (0.082 R)
• M27: 24,199,101 km (0.115 R)
• M28: 24,823,822 km (0.059 R)
• M29: 26,574,117 km (0.027 R)
• M30: 28,701,548 km (0.102 R)
• M31: 29,000,295 km (0.089 R)
• M32: 30,628,219 km (0.076 R)
• M33: 34,737,224 km (0.117 R)
• M34: 36,805,863 km (0.066 R)
• M35: 37,751,172 km (0.084 R)
• M36: 39,566,991 km (0.062 R)
• M37: 42,205,748 km (0.114 R)
• M38: 43,502,762 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.7

Radius: 4.8

Gravity: 38.79 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.46 AU - 6.52 AU

Year: 10846 Days

Day: 21.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,623,296 km

• M1: 60,438 km (0.092 R)
• M2: 211,232 km (0.063 R)
• M3: 432,637 km (0.096 R)
• M4: 585,975 km (0.053 R)
• M5: 1,938,190 km (0.062 R)
• M6: 2,173,507 km (0.04 R)
• M7: 2,636,513 km (0.066 R)
• M8: 3,138,414 km (0.076 R)
• M9: 3,412,178 km (0.078 R)
• M10: 3,594,538 km (0.098 R)
• M11: 3,838,532 km (0.088 R)
• M12: 7,603,761 km (0.118 R)
• M13: 14,001,912 km (0.109 R)
• M14: 16,820,336 km (0.117 R)
• M15: 18,922,784 km (0.078 R)
• M16: 19,166,778 km (0.073 R)
• M17: 20,760,594 km (0.072 R)
• M18: 31,185,621 km (0.073 R)
• M19: 35,067,237 km (0.052 R)
• M20: 35,312,278 km (0.119 R)
• M21: 39,258,820 km (0.062 R)
• M22: 47,413,250 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.1

Radius: 7.3

Gravity: 13.81 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.25 AU - 8.43 AU

Year: 11735 Days

Day: 16.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,623,296 km

• M1: 90,806 km (0.117 R)
• M2: 695,481 km (0.055 R)
• M3: 1,212,491 km (0.092 R)
• M4: 1,607,728 km (0.086 R)
• M5: 2,104,393 km (0.109 R)
• M6: 2,592,830 km (0.093 R)
• M7: 2,852,981 km (0.111 R)
• M8: 3,740,246 km (0.047 R)
• M9: 4,073,550 km (0.064 R)
• M10: 6,009,197 km (0.035 R)
• M11: 7,197,602 km (0.045 R)
• M12: 9,978,627 km (0.114 R)
• M13: 12,962,057 km (0.12 R)
• M14: 19,773,996 km (0.052 R)
• M15: 21,567,525 km (0.086 R)
• M16: 22,010,036 km (0.047 R)
• M17: 25,573,158 km (0.078 R)
• M18: 25,869,960 km (0.102 R)
• M19: 27,182,232 km (0.098 R)
• M20: 32,182,092 km (0.109 R)
• M21: 32,412,473 km (0.093 R)
• M22: 32,993,062 km (0.107 R)
• M23: 33,698,865 km (0.045 R)
• M24: 34,055,656 km (0.112 R)
• M25: 35,262,761 km (0.071 R)
• M26: 36,124,595 km (0.095 R)
• M27: 36,373,376 km (0.057 R)
• M28: 37,126,601 km (0.107 R)
• M29: 37,634,486 km (0.091 R)
• M30: 41,456,412 km (0.117 R)
• M31: 42,140,523 km (0.075 R)
• M32: 45,096,129 km (0.097 R)
• M33: 47,141,580 km (0.084 R)
• M34: 49,707,333 km (0.047 R)
• M35: 50,324,425 km (0.098 R)
• M36: 52,843,503 km (0.097 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: 248 - 19,063 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit