🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.5 AU - 0.58 AU

Year: 260 Days

Day: 33.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,526,685 km

• M1: 398,978 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.62 AU - 0.64 AU

Year: 328 Days

Day: 28.5 Hours

Environment

Temp: -122 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,526,685 km

• M1: 588,368 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.3

Radius: 13.7

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.73 AU - 0.81 AU

Year: 443 Days

Day: 13 Hours

Environment

Temp: -151 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,526,685 km

• M1: 172,187 km (0.055 R)
• M2: 259,253 km (0.073 R)
• M3: 353,799 km (0.099 R)
• M4: 459,714 km (0.119 R)
• M5: 573,857 km (0.084 R)
• M6: 663,915 km (0.116 R)
• M7: 797,955 km (0.118 R)
• M8: 997,070 km (0.101 R)
• M9: 1,092,364 km (0.095 R)
• M10: 1,199,925 km (0.1 R)
• M11: 1,325,736 km (0.102 R)
• M12: 1,422,077 km (0.042 R)
• M13: 1,668,465 km (0.069 R)
• M14: 1,815,819 km (0.108 R)
• M15: 1,907,373 km (0.113 R)
• M16: 2,061,907 km (0.116 R)
• M17: 2,261,172 km (0.11 R)
• M18: 2,407,479 km (0.029 R)
• M19: 2,623,797 km (0.073 R)
• M20: 2,878,263 km (0.101 R)
• M21: 3,050,301 km (0.101 R)
• M22: 3,265,422 km (0.055 R)
• M23: 3,391,533 km (0.044 R)
• M24: 3,676,218 km (0.049 R)
• M25: 3,765,977 km (0.082 R)
• M26: 4,089,557 km (0.087 R)
• M27: 4,629,157 km (0.099 R)
• M28: 4,763,944 km (0.1 R)
• M29: 5,114,153 km (0.114 R)
• M30: 5,230,241 km (0.106 R)
• M31: 5,355,155 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.9

Radius: 14.6

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.75 AU - 1.75 AU

Year: 1519 Days

Day: 6.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 42,526,685 km

• M1: 188,942 km (0.049 R)
• M2: 316,250 km (0.063 R)
• M3: 529,876 km (0.108 R)
• M4: 648,208 km (0.065 R)
• M5: 744,249 km (0.106 R)
• M6: 1,022,501 km (0.057 R)
• M7: 1,149,510 km (0.119 R)
• M8: 1,377,946 km (0.114 R)
• M9: 1,470,098 km (0.061 R)
• M10: 1,596,359 km (0.055 R)
• M11: 1,706,762 km (0.115 R)
• M12: 1,908,121 km (0.072 R)
• M13: 2,203,726 km (0.102 R)
• M14: 2,522,220 km (0.052 R)
• M15: 2,652,221 km (0.076 R)
• M16: 2,879,460 km (0.065 R)
• M17: 3,056,284 km (0.062 R)
• M18: 3,187,183 km (0.085 R)
• M19: 3,497,299 km (0.114 R)
• M20: 3,608,600 km (0.105 R)
• M21: 3,721,097 km (0.096 R)
• M22: 3,861,271 km (0.044 R)
• M23: 4,003,239 km (0.032 R)
• M24: 4,110,949 km (0.081 R)
• M25: 4,265,185 km (0.088 R)
• M26: 4,384,414 km (0.078 R)
• M27: 4,504,691 km (0.095 R)
• M28: 4,673,288 km (0.105 R)
• M29: 5,201,368 km (0.105 R)
• M30: 5,319,251 km (0.118 R)
• M31: 5,517,618 km (0.111 R)
• M32: 5,901,337 km (0.101 R)
• M33: 6,179,290 km (0.088 R)
• M34: 6,503,767 km (0.086 R)
• M35: 6,748,210 km (0.119 R)
• M36: 6,866,243 km (0.116 R)
• M37: 7,169,777 km (0.116 R)
• M38: 7,312,194 km (0.058 R)
• M39: 7,599,871 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.3

Radius: 13.9

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.28 AU - 2.52 AU

Year: 2439 Days

Day: 14.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 42,526,685 km

• M1: 176,675 km (0.083 R)
• M2: 336,146 km (0.078 R)
• M3: 526,435 km (0.054 R)
• M4: 620,682 km (0.093 R)
• M5: 894,894 km (0.087 R)
• M6: 1,038,808 km (0.111 R)
• M7: 1,154,596 km (0.107 R)
• M8: 1,275,172 km (0.072 R)
• M9: 1,684,322 km (0.081 R)
• M10: 1,790,537 km (0.034 R)
• M11: 1,877,154 km (0.08 R)
• M12: 2,043,657 km (0.052 R)
• M13: 2,180,539 km (0.05 R)
• M14: 2,320,562 km (0.078 R)
• M15: 2,427,674 km (0.094 R)
• M16: 2,585,350 km (0.09 R)
• M17: 3,184,191 km (0.112 R)
• M18: 3,520,337 km (0.116 R)
• M19: 3,825,816 km (0.078 R)
• M20: 4,010,420 km (0.12 R)
• M21: 4,256,508 km (0.091 R)
• M22: 4,359,282 km (0.082 R)
• M23: 4,477,763 km (0.107 R)
• M24: 4,824,382 km (0.105 R)
• M25: 5,070,769 km (0.089 R)
• M26: 5,321,495 km (0.112 R)
• M27: 5,576,111 km (0.053 R)
• M28: 5,769,840 km (0.118 R)
• M29: 5,949,507 km (0.088 R)
• M30: 6,247,357 km (0.032 R)
• M31: 6,516,334 km (0.114 R)
• M32: 6,686,426 km (0.099 R)
• M33: 6,823,458 km (0.034 R)
• M34: 7,240,537 km (0.063 R)
• M35: 7,381,458 km (0.049 R)
• M36: 7,630,239 km (0.106 R)
• M37: 8,099,528 km (0.098 R)
• M38: 8,190,932 km (0.059 R)
• M39: 8,301,036 km (0.11 R)
• M40: 9,104,526 km (0.051 R)
• M41: 9,313,963 km (0.091 R)
• M42: 9,621,686 km (0.034 R)
• M43: 9,737,924 km (0.111 R)
• M44: 9,835,162 km (0.073 R)
• M45: 10,306,545 km (0.083 R)
• M46: 10,425,476 km (0.105 R)
• M47: 10,825,351 km (0.037 R)
• M48: 11,414,318 km (0.086 R)
• M49: 11,516,942 km (0.072 R)
• M50: 11,661,004 km (0.044 R)
• M51: 12,159,913 km (0.1 R)
• M52: 12,327,762 km (0.098 R)
• M53: 12,496,359 km (0.087 R)
• M54: 13,071,114 km (0.09 R)
• M55: 13,763,602 km (0.11 R)
• M56: 14,136,400 km (0.093 R)
• M57: 14,246,654 km (0.093 R)
• M58: 14,534,630 km (0.112 R)
• M59: 15,071,537 km (0.114 R)
• M60: 15,161,595 km (0.085 R)

Asteroid Belt

Center: 4.44 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.7

Radius: 3.9

Gravity: 13.33 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.27 AU - 7.67 AU

Year: 10796 Days

Day: 23 Hours

Environment

Temp: -212 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 42,526,685 km

• M1: 98,286 km (0.064 R)
• M2: 181,163 km (0.077 R)
• M3: 214,224 km (0.07 R)
• M4: 401,521 km (0.082 R)
• M5: 505,342 km (0.074 R)
• M6: 670,198 km (0.113 R)
• M7: 1,357,601 km (0.106 R)
• M8: 1,391,859 km (0.058 R)
• M9: 2,318,767 km (0.083 R)
• M10: 2,359,906 km (0.094 R)
• M11: 2,526,858 km (0.119 R)
• M12: 2,762,923 km (0.116 R)
• M13: 3,050,749 km (0.118 R)
• M14: 3,163,995 km (0.107 R)
• M15: 3,278,737 km (0.07 R)
• M16: 3,348,150 km (0.085 R)
• M17: 3,394,824 km (0.036 R)
• M18: 3,607,104 km (0.114 R)
• M19: 3,751,017 km (0.087 R)
• M20: 3,872,341 km (0.112 R)
• M21: 4,421,814 km (0.066 R)
• M22: 5,021,701 km (0.105 R)
• M23: 5,209,447 km (0.076 R)
• M24: 5,536,468 km (0.119 R)
• M25: 5,702,521 km (0.101 R)
• M26: 5,814,121 km (0.04 R)
• M27: 6,210,256 km (0.091 R)
• M28: 6,527,703 km (0.106 R)
• M29: 6,791,444 km (0.069 R)
• M30: 6,880,006 km (0.113 R)
• M31: 7,178,304 km (0.092 R)
• M32: 7,450,423 km (0.114 R)
• M33: 8,349,805 km (0.068 R)
• M34: 8,828,369 km (0.106 R)
• M35: 9,022,248 km (0.113 R)
• M36: 9,414,344 km (0.073 R)
• M37: 9,612,411 km (0.073 R)
• M38: 9,778,614 km (0.068 R)
• M39: 9,979,225 km (0.086 R)
• M40: 10,181,182 km (0.077 R)
• M41: 10,418,445 km (0.079 R)
• M42: 10,726,317 km (0.101 R)
• M43: 10,898,654 km (0.071 R)
• M44: 11,106,595 km (0.101 R)
• M45: 11,281,026 km (0.075 R)
• M46: 11,491,360 km (0.12 R)
• M47: 12,744,243 km (0.075 R)
• M48: 12,817,097 km (0.083 R)
• M49: 13,442,266 km (0.08 R)
• M50: 14,190,405 km (0.063 R)
• M51: 14,417,495 km (0.097 R)
• M52: 14,531,488 km (0.07 R)
• M53: 14,569,636 km (0.111 R)
• M54: 14,875,264 km (0.097 R)
• M55: 15,221,733 km (0.12 R)
• M56: 15,299,075 km (0.119 R)
• M57: 15,726,775 km (0.081 R)
• M58: 16,316,490 km (0.1 R)
• M59: 16,395,627 km (0.087 R)
• M60: 18,292,379 km (0.114 R)
• M61: 18,704,820 km (0.087 R)
• M62: 19,078,516 km (0.112 R)
• M63: 19,370,979 km (0.097 R)
• M64: 19,496,791 km (0.1 R)
• M65: 19,875,872 km (0.108 R)
• M66: 20,427,589 km (0.056 R)
• M67: 20,726,635 km (0.102 R)
• M68: 20,984,243 km (0.118 R)
• M69: 21,242,898 km (0.039 R)
• M70: 21,589,366 km (0.096 R)
• M71: 21,632,899 km (0.051 R)
• M72: 22,640,142 km (0.072 R)
• M73: 22,684,273 km (0.111 R)
• M74: 23,752,103 km (0.032 R)
• M75: 24,156,765 km (0.026 R)
• M76: 24,292,151 km (0.101 R)
• M77: 25,247,034 km (0.091 R)
• M78: 26,772,035 km (0.097 R)
• M79: 26,865,384 km (0.066 R)
• M80: 26,958,883 km (0.103 R)
• M81: 27,052,531 km (0.083 R)
• M82: 27,333,925 km (0.076 R)
• M83: 29,138,972 km (0.099 R)
• M84: 29,427,397 km (0.119 R)
• M85: 30,542,051 km (0.11 R)
• M86: 30,835,113 km (0.108 R)
• M87: 31,276,427 km (0.106 R)
• M88: 32,413,819 km (0.112 R)
• M89: 32,812,498 km (0.055 R)
• M90: 33,012,510 km (0.059 R)
• M91: 33,212,971 km (0.04 R)
• M92: 33,263,087 km (0.059 R)
• M93: 33,413,732 km (0.063 R)
• M94: 33,463,996 km (0.083 R)
• M95: 33,614,941 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.5

Radius: 7.2

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.19 AU - 8.33 AU

Year: 12833 Days

Day: 23 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 42,526,685 km

• M1: 100,231 km (0.088 R)
• M2: 145,260 km (0.11 R)
• M3: 299,046 km (0.101 R)
• M4: 379,380 km (0.091 R)
• M5: 926,609 km (0.106 R)
• M6: 978,669 km (0.031 R)
• M7: 1,701,526 km (0.113 R)
• M8: 1,853,667 km (0.071 R)
• M9: 2,171,114 km (0.04 R)
• M10: 2,432,611 km (0.102 R)
• M11: 2,729,563 km (0.098 R)
• M12: 2,780,127 km (0.109 R)
• M13: 3,384,502 km (0.054 R)
• M14: 3,771,961 km (0.051 R)
• M15: 4,028,521 km (0.048 R)
• M16: 4,438,718 km (0.059 R)
• M17: 5,110,263 km (0.12 R)
• M18: 5,362,336 km (0.091 R)
• M19: 5,944,421 km (0.07 R)
• M20: 6,377,058 km (0.114 R)
• M21: 6,648,429 km (0.066 R)
• M22: 6,716,944 km (0.066 R)
• M23: 7,556,488 km (0.09 R)
• M24: 7,988,526 km (0.089 R)
• M25: 8,281,140 km (0.063 R)
• M26: 8,689,093 km (0.119 R)
• M27: 9,409,108 km (0.077 R)
• M28: 9,873,759 km (0.096 R)
• M29: 9,951,998 km (0.118 R)
• M30: 10,425,326 km (0.063 R)
• M31: 10,785,109 km (0.108 R)
• M32: 11,027,308 km (0.119 R)
• M33: 11,108,390 km (0.075 R)
• M34: 11,312,142 km (0.088 R)
• M35: 11,475,952 km (0.119 R)
• M36: 11,723,088 km (0.111 R)
• M37: 12,306,818 km (0.051 R)
• M38: 12,687,096 km (0.069 R)
• M39: 12,857,339 km (0.105 R)
• M40: 14,070,129 km (0.094 R)
• M41: 15,545,762 km (0.118 R)
• M42: 16,371,093 km (0.118 R)
• M43: 16,463,694 km (0.116 R)
• M44: 17,446,552 km (0.069 R)
• M45: 17,730,788 km (0.107 R)
• M46: 18,351,919 km (0.109 R)
• M47: 18,641,091 km (0.025 R)
• M48: 21,563,187 km (0.098 R)
• M49: 21,614,050 km (0.083 R)
• M50: 22,585,688 km (0.086 R)
• M51: 23,154,758 km (0.103 R)
• M52: 23,206,669 km (0.099 R)
• M53: 23,258,729 km (0.099 R)
• M54: 23,676,257 km (0.07 R)
• M55: 23,833,334 km (0.082 R)
• M56: 23,990,861 km (0.117 R)
• M57: 24,465,535 km (0.056 R)
• M58: 24,571,450 km (0.09 R)
• M59: 25,424,158 km (0.055 R)
• M60: 25,908,107 km (0.099 R)
• M61: 26,994,337 km (0.111 R)
• M62: 27,103,843 km (0.059 R)
• M63: 27,158,596 km (0.1 R)
• M64: 27,818,771 km (0.09 R)
• M65: 28,150,879 km (0.041 R)
• M66: 28,317,381 km (0.104 R)
• M67: 28,373,031 km (0.068 R)
• M68: 28,539,983 km (0.098 R)
• M69: 28,930,882 km (0.12 R)
• M70: 29,211,228 km (0.067 R)
• M71: 29,605,119 km (0.075 R)
• M72: 30,341,291 km (0.114 R)
• M73: 30,969,003 km (0.084 R)
• M74: 31,428,119 km (0.081 R)
• M75: 32,702,394 km (0.093 R)
• M76: 33,287,172 km (0.098 R)
• M77: 33,580,982 km (0.096 R)
• M78: 34,526,590 km (0.086 R)
• M79: 34,585,981 km (0.061 R)
• M80: 34,645,371 km (0.075 R)
• M81: 36,685,886 km (0.047 R)
• M82: 37,476,511 km (0.073 R)
• M83: 37,537,547 km (0.117 R)
• M84: 38,456,975 km (0.065 R)
• M85: 39,074,216 km (0.114 R)
• M86: 39,632,515 km (0.08 R)
• M87: 40,006,061 km (0.048 R)
• M88: 40,819,574 km (0.037 R)
• M89: 41,008,217 km (0.108 R)
• M90: 41,828,462 km (0.083 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: 529 - 16,444 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit