🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.46 AU - 0.68 AU

Year: 155 Days

Day: 32.5 Hours

Environment

Temp: 186 °C

Axial Tilt: 11.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.85 AU - 1.33 AU

Year: 410 Days

Day: 19.2 Hours

Environment

Temp: 10 °C

Axial Tilt: 133.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.21 AU - 1.29 AU

Year: 503 Days

Day: 31.3 Hours

Environment

Temp: 17 °C

Axial Tilt: 28.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.51 AU - 4.79 AU

Year: 3609 Days

Day: 30.2 Hours

Environment

Temp: -125 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,724,340 km

• M1: 495,319 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.5

Radius: 10.9

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.39 AU - 7.59 AU

Year: 5950 Days

Day: 14.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 76,724,340 km

• M1: 201,808 km (0.055 R)
• M2: 278,102 km (0.062 R)
• M3: 371,751 km (0.09 R)
• M4: 457,171 km (0.068 R)
• M5: 733,179 km (0.08 R)
• M6: 1,061,098 km (0.101 R)
• M7: 1,191,547 km (0.086 R)
• M8: 1,397,843 km (0.031 R)
• M9: 1,865,186 km (0.063 R)
• M10: 2,045,152 km (0.086 R)
• M11: 2,336,420 km (0.065 R)
• M12: 2,685,880 km (0.088 R)
• M13: 2,798,527 km (0.116 R)
• M14: 3,289,059 km (0.099 R)
• M15: 3,483,087 km (0.085 R)
• M16: 3,606,356 km (0.064 R)
• M17: 3,806,518 km (0.117 R)
• M18: 4,113,792 km (0.104 R)
• M19: 4,218,062 km (0.049 R)
• M20: 4,562,885 km (0.119 R)
• M21: 4,752,425 km (0.106 R)
• M22: 5,139,435 km (0.093 R)
• M23: 5,223,658 km (0.113 R)
• M24: 5,308,331 km (0.095 R)
• M25: 5,422,025 km (0.102 R)
• M26: 5,738,874 km (0.032 R)
• M27: 6,061,855 km (0.076 R)
• M28: 6,270,544 km (0.099 R)
• M29: 6,817,923 km (0.115 R)
• M30: 6,972,607 km (0.105 R)
• M31: 7,380,561 km (0.107 R)
• M32: 7,603,611 km (0.083 R)
• M33: 8,121,519 km (0.114 R)
• M34: 8,484,144 km (0.107 R)
• M35: 9,225,551 km (0.096 R)
• M36: 9,987,603 km (0.1 R)
• M37: 10,805,903 km (0.115 R)
• M38: 11,022,820 km (0.109 R)
• M39: 11,277,884 km (0.101 R)
• M40: 11,868,197 km (0.107 R)
• M41: 12,430,685 km (0.088 R)
• M42: 12,658,074 km (0.057 R)
• M43: 13,194,233 km (0.11 R)
• M44: 13,348,768 km (0.107 R)
• M45: 14,051,578 km (0.104 R)
• M46: 14,806,599 km (0.12 R)
• M47: 15,249,708 km (0.112 R)
• M48: 15,452,562 km (0.095 R)
• M49: 15,860,965 km (0.085 R)
• M50: 16,107,801 km (0.117 R)
• M51: 16,605,214 km (0.089 R)
• M52: 18,127,522 km (0.103 R)
• M53: 18,256,326 km (0.049 R)
• M54: 18,731,449 km (0.104 R)
• M55: 18,818,365 km (0.045 R)
• M56: 19,429,921 km (0.095 R)
• M57: 19,693,961 km (0.115 R)
• M58: 20,359,522 km (0.045 R)
• M59: 20,582,872 km (0.084 R)
• M60: 20,807,269 km (0.047 R)
• M61: 21,212,978 km (0.107 R)
• M62: 21,439,469 km (0.058 R)
• M63: 22,215,882 km (0.101 R)
• M64: 23,094,321 km (0.047 R)
• M65: 23,561,365 km (0.071 R)
• M66: 23,842,909 km (0.048 R)
• M67: 24,314,890 km (0.089 R)
• M68: 24,694,719 km (0.074 R)
• M69: 25,412,041 km (0.065 R)
• M70: 27,259,874 km (0.105 R)
• M71: 27,852,431 km (0.036 R)
• M72: 28,649,039 km (0.105 R)
• M73: 28,949,731 km (0.084 R)
• M74: 29,100,526 km (0.114 R)
• M75: 30,162,820 km (0.091 R)
• M76: 31,341,053 km (0.088 R)
• M77: 33,478,208 km (0.044 R)
• M78: 34,006,738 km (0.099 R)
• M79: 35,447,066 km (0.108 R)
• M80: 36,147,782 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.7

Radius: 11.3

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 7.35 AU - 9.91 AU

Year: 9124 Days

Day: 8.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 76,724,340 km

• M1: 144,362 km (0.084 R)
• M2: 509,381 km (0.109 R)
• M3: 619,634 km (0.117 R)
• M4: 739,013 km (0.039 R)
• M5: 951,143 km (0.099 R)
• M6: 1,297,462 km (0.101 R)
• M7: 1,395,299 km (0.046 R)
• M8: 1,495,530 km (0.1 R)
• M9: 1,577,659 km (0.026 R)
• M10: 1,703,920 km (0.117 R)
• M11: 2,361,253 km (0.101 R)
• M12: 2,705,029 km (0.091 R)
• M13: 2,934,512 km (0.103 R)
• M14: 3,197,206 km (0.099 R)
• M15: 3,467,679 km (0.104 R)
• M16: 3,745,631 km (0.087 R)
• M17: 4,323,378 km (0.097 R)
• M18: 5,561,301 km (0.094 R)
• M19: 6,019,220 km (0.12 R)
• M20: 6,971,560 km (0.055 R)
• M21: 8,226,985 km (0.031 R)
• M22: 8,337,837 km (0.081 R)
• M23: 8,710,934 km (0.081 R)
• M24: 9,127,714 km (0.065 R)
• M25: 9,242,605 km (0.085 R)
• M26: 9,862,988 km (0.113 R)
• M27: 10,059,709 km (0.05 R)
• M28: 10,138,696 km (0.099 R)
• M29: 10,657,502 km (0.115 R)
• M30: 10,738,135 km (0.045 R)
• M31: 11,349,093 km (0.086 R)
• M32: 11,513,800 km (0.084 R)
• M33: 11,596,528 km (0.052 R)
• M34: 11,804,170 km (0.104 R)
• M35: 11,971,270 km (0.104 R)
• M36: 12,732,574 km (0.108 R)
• M37: 13,378,986 km (0.06 R)
• M38: 13,684,316 km (0.116 R)
• M39: 14,168,714 km (0.119 R)
• M40: 14,301,856 km (0.082 R)
• M41: 14,390,866 km (0.038 R)
• M42: 15,564,162 km (0.057 R)
• M43: 15,839,423 km (0.076 R)
• M44: 17,097,391 km (0.11 R)
• M45: 17,762,354 km (0.095 R)
• M46: 17,905,968 km (0.12 R)
• M47: 18,001,860 km (0.095 R)
• M48: 18,194,243 km (0.101 R)
• M49: 18,290,733 km (0.061 R)
• M50: 20,455,564 km (0.095 R)
• M51: 20,807,418 km (0.06 R)
• M52: 21,161,217 km (0.097 R)
• M53: 22,028,885 km (0.058 R)
• M54: 23,168,970 km (0.089 R)
• M55: 23,378,258 km (0.112 R)
• M56: 23,588,293 km (0.071 R)
• M57: 23,904,393 km (0.113 R)
• M58: 24,701,002 km (0.089 R)
• M59: 25,075,595 km (0.079 R)
• M60: 25,398,278 km (0.072 R)
• M61: 25,776,461 km (0.111 R)
• M62: 26,702,771 km (0.112 R)
• M63: 27,252,693 km (0.082 R)
• M64: 27,529,000 km (0.098 R)
• M65: 28,028,807 km (0.076 R)
• M66: 28,196,057 km (0.072 R)
• M67: 28,981,147 km (0.037 R)
• M68: 30,572,569 km (0.104 R)
• M69: 32,543,072 km (0.105 R)
• M70: 32,953,868 km (0.097 R)
• M71: 33,071,601 km (0.107 R)
• M72: 34,018,107 km (0.044 R)
• M73: 34,673,944 km (0.105 R)
• M74: 34,853,462 km (0.06 R)
• M75: 36,666,438 km (0.076 R)
• M76: 37,093,989 km (0.042 R)
• M77: 37,953,728 km (0.1 R)
• M78: 38,696,032 km (0.094 R)
• M79: 39,193,445 km (0.115 R)
• M80: 39,505,506 km (0.069 R)
• M81: 40,132,022 km (0.098 R)
• M82: 40,383,496 km (0.071 R)
• M83: 40,635,569 km (0.111 R)
• M84: 41,839,832 km (0.032 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.9

Radius: 13.8

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 11.29 AU - 13.71 AU

Year: 15905 Days

Day: 12.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 76,724,340 km

• M1: 291,566 km (0.096 R)
• M2: 414,386 km (0.036 R)
• M3: 563,086 km (0.102 R)
• M4: 655,239 km (0.118 R)
• M5: 968,347 km (0.028 R)
• M6: 1,131,259 km (0.108 R)
• M7: 1,355,058 km (0.055 R)
• M8: 1,621,491 km (0.1 R)
• M9: 1,789,789 km (0.032 R)
• M10: 2,113,818 km (0.038 R)
• M11: 2,521,323 km (0.105 R)
• M12: 2,852,083 km (0.114 R)
• M13: 3,267,517 km (0.097 R)
• M14: 3,518,991 km (0.06 R)
• M15: 4,156,128 km (0.088 R)
• M16: 4,992,829 km (0.109 R)
• M17: 5,451,795 km (0.109 R)
• M18: 5,924,375 km (0.105 R)
• M19: 6,590,385 km (0.057 R)
• M20: 7,047,705 km (0.03 R)
• M21: 7,327,005 km (0.072 R)
• M22: 8,629,104 km (0.077 R)
• M23: 8,728,437 km (0.115 R)
• M24: 8,878,185 km (0.097 R)
• M25: 8,978,415 km (0.096 R)
• M26: 9,180,073 km (0.114 R)
• M27: 9,536,715 km (0.068 R)
• M28: 11,170,174 km (0.088 R)
• M29: 11,770,510 km (0.109 R)
• M30: 11,935,965 km (0.105 R)
• M31: 12,213,619 km (0.026 R)
• M32: 12,381,318 km (0.12 R)
• M33: 14,688,865 km (0.056 R)
• M34: 15,648,386 km (0.065 R)
• M35: 18,071,572 km (0.115 R)
• M36: 19,554,686 km (0.057 R)
• M37: 21,480,010 km (0.075 R)
• M38: 21,818,101 km (0.107 R)
• M39: 22,089,771 km (0.087 R)
• M40: 23,257,083 km (0.056 R)
• M41: 23,953,013 km (0.05 R)
• M42: 24,233,359 km (0.044 R)
• M43: 25,223,099 km (0.062 R)
• M44: 25,866,369 km (0.087 R)
• M45: 26,154,046 km (0.113 R)
• M46: 26,370,365 km (0.106 R)
• M47: 26,515,026 km (0.08 R)
• M48: 27,096,064 km (0.098 R)
• M49: 29,013,609 km (0.103 R)
• M50: 29,537,352 km (0.114 R)
• M51: 29,762,646 km (0.104 R)
• M52: 31,433,205 km (0.079 R)
• M53: 32,357,122 km (0.07 R)
• M54: 32,511,956 km (0.115 R)
• M55: 32,667,089 km (0.1 R)
• M56: 33,211,924 km (0.089 R)
• M57: 33,838,290 km (0.059 R)
• M58: 36,543,469 km (0.106 R)
• M59: 38,576,653 km (0.085 R)
• M60: 39,235,034 km (0.025 R)
• M61: 40,312,886 km (0.045 R)
• M62: 41,484,387 km (0.117 R)
• M63: 41,989,878 km (0.09 R)
• M64: 43,775,329 km (0.12 R)
• M65: 44,892,975 km (0.102 R)
• M66: 45,845,913 km (0.05 R)
• M67: 46,893,248 km (0.06 R)
• M68: 47,156,241 km (0.111 R)
• M69: 47,507,796 km (0.081 R)
• M70: 47,595,759 km (0.042 R)
• M71: 48,213,449 km (0.065 R)
• M72: 48,922,543 km (0.071 R)
• M73: 49,724,387 km (0.104 R)
• M74: 52,065,295 km (0.102 R)
• M75: 53,066,404 km (0.108 R)
• M76: 55,180,222 km (0.048 R)
• M77: 55,457,875 km (0.055 R)
• M78: 55,643,377 km (0.066 R)
• M79: 55,829,028 km (0.025 R)
• M80: 56,014,828 km (0.115 R)
• M81: 56,387,177 km (0.084 R)
• M82: 58,543,631 km (0.111 R)
• M83: 59,584,682 km (0.106 R)
• M84: 59,869,517 km (0.105 R)
• M85: 64,100,743 km (0.092 R)
• M86: 64,782,760 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.1

Radius: 6.1

Gravity: 13.74 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 15.32 AU - 17.06 AU

Year: 23445 Days

Day: 23 Hours

Environment

Temp: -189 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 76,724,340 km

• M1: 78,240 km (0.117 R)
• M2: 202,855 km (0.11 R)
• M3: 309,069 km (0.108 R)
• M4: 378,782 km (0.048 R)
• M5: 556,354 km (0.08 R)
• M6: 599,439 km (0.051 R)
• M7: 735,573 km (0.071 R)
• M8: 1,230,592 km (0.076 R)
• M9: 1,405,173 km (0.08 R)
• M10: 1,941,930 km (0.051 R)
• M11: 2,499,631 km (0.048 R)
• M12: 2,572,784 km (0.058 R)
• M13: 2,796,283 km (0.069 R)
• M14: 3,422,650 km (0.089 R)
• M15: 4,351,802 km (0.074 R)
• M16: 4,753,173 km (0.038 R)
• M17: 6,076,217 km (0.097 R)
• M18: 6,982,929 km (0.104 R)
• M19: 7,504,876 km (0.12 R)
• M20: 7,770,413 km (0.082 R)
• M21: 7,985,086 km (0.099 R)
• M22: 8,093,245 km (0.11 R)
• M23: 10,003,909 km (0.041 R)
• M24: 10,296,223 km (0.092 R)
• M25: 10,355,015 km (0.042 R)
• M26: 11,615,227 km (0.113 R)
• M27: 12,046,069 km (0.094 R)
• M28: 12,108,003 km (0.086 R)
• M29: 12,481,998 km (0.066 R)
• M30: 13,369,562 km (0.112 R)
• M31: 13,433,739 km (0.097 R)
• M32: 14,408,519 km (0.086 R)
• M33: 15,271,549 km (0.072 R)
• M34: 16,700,957 km (0.112 R)
• M35: 17,047,575 km (0.11 R)
• M36: 17,959,823 km (0.072 R)
• M37: 18,030,583 km (0.093 R)
• M38: 19,466,573 km (0.101 R)
• M39: 21,088,064 km (0.077 R)
• M40: 21,915,041 km (0.105 R)
• M41: 22,142,280 km (0.109 R)
• M42: 22,905,828 km (0.115 R)
• M43: 23,445,427 km (0.076 R)
• M44: 24,301,725 km (0.108 R)
• M45: 24,380,115 km (0.108 R)
• M46: 25,327,069 km (0.111 R)
• M47: 26,044,989 km (0.115 R)
• M48: 27,012,738 km (0.076 R)
• M49: 27,501,025 km (0.113 R)
• M50: 27,664,386 km (0.085 R)
• M51: 28,817,337 km (0.097 R)
• M52: 29,149,594 km (0.113 R)
• M53: 32,974,063 km (0.061 R)
• M54: 34,283,494 km (0.088 R)
• M55: 34,547,384 km (0.105 R)
• M56: 36,055,630 km (0.045 R)
• M57: 36,324,009 km (0.081 R)
• M58: 37,313,898 km (0.078 R)
• M59: 37,404,255 km (0.088 R)
• M60: 38,769,335 km (0.085 R)
• M61: 41,454,318 km (0.081 R)
• M62: 41,735,412 km (0.054 R)
• M63: 42,299,696 km (0.113 R)
• M64: 43,150,758 km (0.047 R)
• M65: 43,721,324 km (0.075 R)
• M66: 48,275,981 km (0.093 R)
• M67: 49,860,522 km (0.06 R)
• M68: 51,060,147 km (0.111 R)
• M69: 53,182,193 km (0.096 R)
• M70: 54,510,173 km (0.107 R)
• M71: 54,818,195 km (0.074 R)
• M72: 57,407,435 km (0.079 R)
• M73: 58,454,321 km (0.065 R)
• M74: 61,312,089 km (0.106 R)
• M75: 61,525,565 km (0.102 R)
• M76: 62,382,013 km (0.081 R)
• M77: 62,596,686 km (0.116 R)
• M78: 63,566,080 km (0.065 R)
• M79: 63,998,418 km (0.1 R)
• M80: 66,832,699 km (0.109 R)
• M81: 66,942,504 km (0.087 R)
• M82: 67,162,413 km (0.113 R)
• M83: 68,818,760 km (0.077 R)
• M84: 69,930,572 km (0.101 R)
• M85: 70,042,022 km (0.079 R)
• M86: 71,160,266 km (0.058 R)
• M87: 71,272,465 km (0.097 R)
• M88: 72,171,698 km (0.066 R)
• M89: 74,208,921 km (0.099 R)
• M90: 75,691,885 km (0.061 R)

Kuiper Belt

Range: 30.5 - 54.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 18,503 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit