🌌 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 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.46 AU - 0.66 AU

Year: 275 Days

Day: 36.5 Hours

Environment

Temp: -128 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,763,519 km

• M1: 89,460 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333

Radius: 10

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.66 AU - 0.74 AU

Year: 384 Days

Day: 10.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 26,763,519 km

• M1: 131,197 km (0.058 R)
• M2: 204,799 km (0.112 R)
• M3: 324,179 km (0.096 R)
• M4: 403,615 km (0.083 R)
• M5: 469,438 km (0.096 R)
• M6: 545,583 km (0.107 R)
• M7: 608,115 km (0.103 R)
• M8: 679,922 km (0.077 R)
• M9: 812,466 km (0.076 R)
• M10: 899,981 km (0.043 R)
• M11: 1,028,186 km (0.071 R)
• M12: 1,222,364 km (0.115 R)
• M13: 1,299,258 km (0.105 R)
• M14: 1,420,133 km (0.069 R)
• M15: 1,531,733 km (0.102 R)
• M16: 1,646,474 km (0.111 R)
• M17: 1,796,222 km (0.03 R)
• M18: 1,912,908 km (0.079 R)
• M19: 1,988,754 km (0.097 R)
• M20: 2,094,969 km (0.077 R)
• M21: 2,158,548 km (0.076 R)
• M22: 2,237,835 km (0.107 R)
• M23: 2,313,082 km (0.104 R)
• M24: 2,394,314 km (0.078 R)
• M25: 2,471,207 km (0.065 R)
• M26: 2,559,620 km (0.071 R)
• M27: 2,648,929 km (0.088 R)
• M28: 2,978,344 km (0.11 R)
• M29: 3,050,301 km (0.106 R)
• M30: 3,218,449 km (0.077 R)
• M31: 3,372,534 km (0.053 R)
• M32: 3,459,152 km (0.113 R)
• M33: 3,529,163 km (0.091 R)
• M34: 3,646,598 km (0.101 R)
• M35: 3,711,822 km (0.115 R)
• M36: 3,897,773 km (0.111 R)
• M37: 4,080,581 km (0.106 R)
• M38: 4,148,349 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.5

Radius: 11.5

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.75 AU - 0.83 AU

Year: 461 Days

Day: 10.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 26,763,519 km

• M1: 146,307 km (0.051 R)
• M2: 229,334 km (0.097 R)
• M3: 301,589 km (0.114 R)
• M4: 376,687 km (0.099 R)
• M5: 472,430 km (0.069 R)
• M6: 550,371 km (0.093 R)
• M7: 656,884 km (0.066 R)
• M8: 732,282 km (0.111 R)
• M9: 833,260 km (0.085 R)
• M10: 1,010,085 km (0.068 R)
• M11: 1,091,167 km (0.086 R)
• M12: 1,187,209 km (0.118 R)
• M13: 1,303,895 km (0.087 R)
• M14: 1,411,007 km (0.095 R)
• M15: 1,624,932 km (0.041 R)
• M16: 1,740,870 km (0.104 R)
• M17: 1,864,737 km (0.061 R)
• M18: 2,007,005 km (0.105 R)
• M19: 2,116,211 km (0.103 R)
• M20: 2,227,363 km (0.105 R)
• M21: 2,346,143 km (0.107 R)
• M22: 2,528,204 km (0.116 R)
• M23: 2,618,112 km (0.099 R)
• M24: 2,697,848 km (0.068 R)
• M25: 2,778,332 km (0.093 R)
• M26: 2,894,719 km (0.064 R)
• M27: 3,000,933 km (0.086 R)
• M28: 3,108,494 km (0.112 R)
• M29: 3,302,822 km (0.118 R)
• M30: 3,395,423 km (0.093 R)
• M31: 3,476,355 km (0.049 R)
• M32: 3,703,894 km (0.057 R)
• M33: 3,793,652 km (0.05 R)
• M34: 3,903,756 km (0.108 R)
• M35: 4,001,743 km (0.078 R)
• M36: 4,107,210 km (0.087 R)
• M37: 4,287,325 km (0.12 R)
• M38: 4,690,192 km (0.047 R)
• M39: 4,787,581 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.6

Radius: 14.7

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.85 AU - 1.23 AU

Year: 696 Days

Day: 11.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 26,763,519 km

• M1: 184,604 km (0.099 R)
• M2: 284,535 km (0.048 R)
• M3: 456,124 km (0.067 R)
• M4: 558,748 km (0.071 R)
• M5: 716,125 km (0.054 R)
• M6: 808,427 km (0.106 R)
• M7: 1,007,392 km (0.084 R)
• M8: 1,309,131 km (0.109 R)
• M9: 1,462,319 km (0.087 R)
• M10: 1,559,707 km (0.119 R)
• M11: 1,716,636 km (0.081 R)
• M12: 1,959,134 km (0.081 R)
• M13: 2,143,438 km (0.104 R)
• M14: 2,262,518 km (0.037 R)
• M15: 2,383,842 km (0.099 R)
• M16: 2,529,700 km (0.046 R)
• M17: 2,641,001 km (0.103 R)
• M18: 2,807,354 km (0.091 R)
• M19: 2,922,843 km (0.059 R)
• M20: 3,047,907 km (0.118 R)
• M21: 3,214,709 km (0.028 R)
• M22: 3,392,880 km (0.074 R)
• M23: 3,491,465 km (0.108 R)
• M24: 3,607,702 km (0.115 R)
• M25: 3,700,004 km (0.12 R)
• M26: 3,793,204 km (0.115 R)
• M27: 4,332,953 km (0.072 R)
• M28: 4,431,239 km (0.074 R)
• M29: 4,675,831 km (0.11 R)
• M30: 4,813,760 km (0.119 R)
• M31: 4,934,336 km (0.12 R)
• M32: 5,037,110 km (0.074 R)
• M33: 5,283,198 km (0.095 R)
• M34: 5,417,238 km (0.113 R)
• M35: 5,689,057 km (0.103 R)
• M36: 5,876,055 km (0.111 R)
• M37: 5,985,261 km (0.107 R)
• M38: 6,175,400 km (0.092 R)
• M39: 6,388,128 km (0.114 R)
• M40: 6,551,639 km (0.104 R)
• M41: 6,685,678 km (0.052 R)
• M42: 6,799,822 km (0.067 R)
• M43: 7,135,519 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.9

Radius: 12.2

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.91 AU - 1.25 AU

Year: 736 Days

Day: 14 Hours

Environment

Temp: -162 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 26,763,519 km

• M1: 152,440 km (0.102 R)
• M2: 273,465 km (0.113 R)
• M3: 389,553 km (0.104 R)
• M4: 472,131 km (0.066 R)
• M5: 575,503 km (0.097 R)
• M6: 660,325 km (0.067 R)
• M7: 754,871 km (0.067 R)
• M8: 901,327 km (0.036 R)
• M9: 1,041,351 km (0.057 R)
• M10: 1,301,801 km (0.088 R)
• M11: 1,405,771 km (0.115 R)
• M12: 1,596,658 km (0.112 R)
• M13: 1,728,753 km (0.106 R)
• M14: 1,837,211 km (0.093 R)
• M15: 2,147,477 km (0.111 R)
• M16: 2,353,773 km (0.091 R)
• M17: 2,482,277 km (0.073 R)
• M18: 2,566,800 km (0.045 R)
• M19: 2,722,980 km (0.078 R)
• M20: 2,850,139 km (0.095 R)
• M21: 2,987,469 km (0.106 R)
• M22: 3,077,677 km (0.115 R)
• M23: 3,185,387 km (0.03 R)
• M24: 3,277,540 km (0.098 R)
• M25: 3,362,063 km (0.092 R)
• M26: 3,542,029 km (0.093 R)
• M27: 3,637,622 km (0.052 R)
• M28: 3,734,112 km (0.118 R)
• M29: 4,110,351 km (0.101 R)
• M30: 4,256,957 km (0.115 R)
• M31: 4,368,108 km (0.071 R)
• M32: 4,461,457 km (0.109 R)
• M33: 4,545,980 km (0.106 R)
• M34: 4,870,458 km (0.027 R)
• M35: 4,996,569 km (0.086 R)
• M36: 5,202,565 km (0.116 R)
• M37: 5,311,622 km (0.106 R)
• M38: 5,612,912 km (0.059 R)
• M39: 5,694,293 km (0.055 R)
• M40: 5,827,286 km (0.118 R)
• M41: 6,075,469 km (0.093 R)
• M42: 6,443,779 km (0.084 R)
• M43: 6,732,951 km (0.077 R)
• M44: 6,873,723 km (0.116 R)
• M45: 7,114,127 km (0.108 R)
• M46: 7,268,512 km (0.093 R)
• M47: 7,468,823 km (0.058 R)
• M48: 7,648,341 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.2

Radius: 10.9

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.23 AU - 1.23 AU

Year: 895 Days

Day: 9.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 26,763,519 km

• M1: 138,228 km (0.054 R)
• M2: 262,095 km (0.112 R)
• M3: 365,318 km (0.089 R)
• M4: 435,031 km (0.116 R)
• M5: 552,166 km (0.076 R)
• M6: 708,944 km (0.105 R)
• M7: 835,055 km (0.032 R)
• M8: 995,873 km (0.066 R)
• M9: 1,101,340 km (0.094 R)
• M10: 1,364,333 km (0.091 R)
• M11: 1,572,423 km (0.087 R)
• M12: 1,658,592 km (0.102 R)
• M13: 1,729,800 km (0.107 R)
• M14: 1,887,028 km (0.089 R)
• M15: 2,054,727 km (0.07 R)
• M16: 2,173,507 km (0.109 R)
• M17: 2,282,265 km (0.097 R)
• M18: 2,392,968 km (0.111 R)
• M19: 2,562,612 km (0.077 R)
• M20: 2,684,235 km (0.047 R)
• M21: 2,821,117 km (0.052 R)
• M22: 3,047,608 km (0.031 R)
• M23: 3,149,334 km (0.109 R)
• M24: 3,259,289 km (0.095 R)
• M25: 3,370,590 km (0.074 R)
• M26: 3,447,782 km (0.1 R)
• M27: 3,582,570 km (0.052 R)
• M28: 3,661,408 km (0.117 R)
• M29: 3,791,708 km (0.108 R)
• M30: 4,109,304 km (0.094 R)
• M31: 4,336,094 km (0.075 R)
• M32: 4,443,356 km (0.092 R)
• M33: 4,574,703 km (0.117 R)
• M34: 4,913,093 km (0.025 R)
• M35: 5,024,992 km (0.109 R)
• M36: 5,186,259 km (0.116 R)
• M37: 5,464,511 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.5

Radius: 10.2

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.66 AU - 2.78 AU

Year: 2943 Days

Day: 9.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 26,763,519 km

• M1: 145,409 km (0.095 R)
• M2: 241,152 km (0.102 R)
• M3: 384,467 km (0.058 R)
• M4: 654,341 km (0.056 R)
• M5: 822,339 km (0.108 R)
• M6: 1,047,185 km (0.106 R)
• M7: 1,305,092 km (0.112 R)
• M8: 1,371,214 km (0.053 R)
• M9: 1,445,115 km (0.07 R)
• M10: 1,625,830 km (0.11 R)
• M11: 1,880,744 km (0.109 R)
• M12: 2,094,071 km (0.115 R)
• M13: 2,323,554 km (0.047 R)
• M14: 2,404,636 km (0.083 R)
• M15: 2,536,282 km (0.102 R)
• M16: 2,619,908 km (0.11 R)
• M17: 2,746,916 km (0.108 R)
• M18: 2,815,582 km (0.034 R)
• M19: 3,078,275 km (0.111 R)
• M20: 3,683,997 km (0.077 R)
• M21: 3,913,480 km (0.096 R)
• M22: 4,929,848 km (0.062 R)
• M23: 5,300,552 km (0.068 R)
• M24: 5,845,537 km (0.108 R)
• M25: 6,170,015 km (0.079 R)
• M26: 6,731,455 km (0.07 R)
• M27: 6,977,095 km (0.096 R)
• M28: 7,309,352 km (0.066 R)
• M29: 7,731,816 km (0.118 R)
• M30: 7,940,057 km (0.117 R)
• M31: 8,174,776 km (0.043 R)
• M32: 8,261,991 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.8

Radius: 8.2

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.95 AU - 4.35 AU

Year: 4575 Days

Day: 11.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 26,763,519 km

• M1: 124,765 km (0.069 R)
• M2: 177,423 km (0.044 R)
• M3: 240,553 km (0.103 R)
• M4: 323,281 km (0.09 R)
• M5: 382,372 km (0.111 R)
• M6: 445,802 km (0.096 R)
• M7: 739,462 km (0.112 R)
• M8: 833,859 km (0.076 R)
• M9: 945,159 km (0.112 R)
• M10: 996,172 km (0.118 R)
• M11: 1,061,397 km (0.088 R)
• M12: 1,280,259 km (0.11 R)
• M13: 1,543,700 km (0.084 R)
• M14: 1,776,475 km (0.1 R)
• M15: 2,362,599 km (0.074 R)
• M16: 3,004,524 km (0.069 R)
• M17: 3,139,311 km (0.057 R)
• M18: 3,217,102 km (0.095 R)
• M19: 3,414,721 km (0.071 R)
• M20: 3,555,343 km (0.072 R)
• M21: 4,031,064 km (0.035 R)
• M22: 4,137,129 km (0.097 R)
• M23: 4,287,325 km (0.103 R)
• M24: 4,526,832 km (0.11 R)
• M25: 4,837,995 km (0.096 R)
• M26: 5,019,009 km (0.118 R)
• M27: 5,110,413 km (0.096 R)
• M28: 5,884,881 km (0.081 R)
• M29: 6,078,161 km (0.11 R)
• M30: 6,273,536 km (0.087 R)
• M31: 6,446,322 km (0.051 R)
• M32: 6,645,586 km (0.087 R)
• M33: 7,384,899 km (0.087 R)
• M34: 7,541,229 km (0.085 R)
• M35: 7,909,987 km (0.084 R)
• M36: 7,989,873 km (0.067 R)
• M37: 8,069,908 km (0.1 R)
• M38: 8,123,464 km (0.117 R)
• M39: 9,051,569 km (0.108 R)
• M40: 9,135,194 km (0.114 R)
• M41: 9,218,969 km (0.083 R)
• M42: 9,528,188 km (0.104 R)
• M43: 10,770,000 km (0.031 R)
• M44: 10,888,182 km (0.096 R)
• M45: 11,125,594 km (0.044 R)
• M46: 12,400,317 km (0.11 R)
• M47: 12,679,467 km (0.067 R)
• M48: 12,898,029 km (0.112 R)
• M49: 13,054,957 km (0.109 R)
• M50: 13,624,925 km (0.119 R)
• M51: 13,688,804 km (0.11 R)
• M52: 13,880,887 km (0.091 R)
• M53: 13,945,065 km (0.089 R)
• M54: 14,332,673 km (0.086 R)
• M55: 14,920,443 km (0.077 R)
• M56: 15,019,327 km (0.074 R)
• M57: 15,683,242 km (0.049 R)
• M58: 15,884,302 km (0.069 R)
• M59: 16,970,831 km (0.095 R)
• M60: 17,246,241 km (0.116 R)
• M61: 17,731,836 km (0.083 R)
• M62: 18,151,607 km (0.078 R)
• M63: 18,397,845 km (0.111 R)
• M64: 18,539,215 km (0.046 R)
• M65: 18,645,430 km (0.118 R)
• M66: 18,858,457 km (0.115 R)
• M67: 19,179,494 km (0.114 R)
• M68: 19,718,495 km (0.115 R)
• M69: 20,444,943 km (0.077 R)
• M70: 20,627,901 km (0.067 R)
• M71: 20,811,457 km (0.093 R)
• M72: 21,254,267 km (0.109 R)
• M73: 21,328,318 km (0.118 R)
• M74: 21,439,619 km (0.116 R)
• M75: 21,625,569 km (0.105 R)
• M76: 22,186,561 km (0.101 R)
• M77: 23,322,757 km (0.101 R)
• M78: 23,552,390 km (0.108 R)
• M79: 23,782,621 km (0.028 R)
• M80: 23,897,961 km (0.063 R)
• M81: 24,672,279 km (0.108 R)
• M82: 25,691,041 km (0.079 R)
• M83: 26,046,934 km (0.091 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 555 - 19,128 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit