🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.63 AU - 0.67 AU

Year: 191 Days

Day: 14.2 Hours

Environment

Temp: 217 °C

Axial Tilt: 46.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.18 AU - 1.36 AU

Year: 523 Days

Day: 36.7 Hours

Environment

Temp: 13 °C

Axial Tilt: 46.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 42,160,229 km

• M1: 38,746 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.27 AU - 1.79 AU

Year: 691 Days

Day: 36.2 Hours

Environment

Temp: -34 °C

Axial Tilt: 23 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,160,229 km

• M1: 362,176 km (0.062 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.58 AU - 1.88 AU

Year: 831 Days

Day: 18.6 Hours

Environment

Temp: -46 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,160,229 km

• M1: 382,821 km (0.116 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.14 AU - 3.38 AU

Year: 2150 Days

Day: 32.6 Hours

Environment

Temp: -101 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 42,160,229 km

• M1: 405,859 km (0.116 R)
• M2: 1,109,717 km (0.109 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.2 AU - 3.66 AU

Year: 2320 Days

Day: 27.9 Hours

Environment

Temp: -123 °C

Axial Tilt: 109.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.09 AU - 4.13 AU

Year: 3043 Days

Day: 22.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.2

Radius: 13.6

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.56 AU - 6.96 AU

Year: 6420 Days

Day: 10.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 42,160,229 km

• M1: 210,484 km (0.08 R)
• M2: 357,389 km (0.108 R)
• M3: 449,242 km (0.06 R)
• M4: 607,816 km (0.082 R)
• M5: 738,415 km (0.025 R)
• M6: 988,992 km (0.116 R)
• M7: 1,162,375 km (0.081 R)
• M8: 1,378,096 km (0.118 R)
• M9: 1,507,498 km (0.092 R)
• M10: 1,903,334 km (0.064 R)
• M11: 2,012,091 km (0.108 R)
• M12: 2,104,393 km (0.117 R)
• M13: 2,749,758 km (0.056 R)
• M14: 2,852,831 km (0.063 R)
• M15: 3,063,016 km (0.068 R)
• M16: 3,322,120 km (0.108 R)
• M17: 3,792,904 km (0.062 R)
• M18: 4,698,420 km (0.093 R)
• M19: 4,822,587 km (0.11 R)
• M20: 5,023,347 km (0.103 R)
• M21: 5,774,777 km (0.094 R)
• M22: 6,123,041 km (0.092 R)
• M23: 7,123,551 km (0.071 R)
• M24: 7,701,298 km (0.117 R)
• M25: 7,789,262 km (0.095 R)
• M26: 8,025,477 km (0.082 R)
• M27: 8,324,224 km (0.056 R)
• M28: 8,414,581 km (0.103 R)
• M29: 9,367,220 km (0.096 R)
• M30: 9,461,168 km (0.11 R)
• M31: 9,618,545 km (0.059 R)
• M32: 9,713,390 km (0.094 R)
• M33: 9,872,263 km (0.089 R)
• M34: 10,031,884 km (0.114 R)
• M35: 10,224,715 km (0.025 R)
• M36: 11,008,010 km (0.114 R)
• M37: 11,340,117 km (0.048 R)
• M38: 12,014,355 km (0.04 R)
• M39: 12,321,928 km (0.101 R)
• M40: 12,980,009 km (0.091 R)
• M41: 13,507,641 km (0.056 R)
• M42: 13,899,138 km (0.081 R)
• M43: 14,222,120 km (0.097 R)
• M44: 14,547,645 km (0.098 R)
• M45: 14,729,706 km (0.118 R)
• M46: 15,390,928 km (0.054 R)
• M47: 15,539,180 km (0.09 R)
• M48: 15,687,880 km (0.107 R)
• M49: 15,911,828 km (0.052 R)
• M50: 16,704,248 km (0.103 R)
• M51: 17,047,874 km (0.073 R)
• M52: 17,897,440 km (0.084 R)
• M53: 18,602,944 km (0.106 R)
• M54: 19,477,493 km (0.084 R)
• M55: 19,960,096 km (0.075 R)
• M56: 20,732,470 km (0.079 R)
• M57: 21,184,106 km (0.063 R)
• M58: 21,846,824 km (0.093 R)
• M59: 22,013,626 km (0.046 R)
• M60: 22,684,872 km (0.106 R)
• M61: 22,811,431 km (0.11 R)
• M62: 23,235,242 km (0.117 R)
• M63: 23,362,849 km (0.119 R)
• M64: 23,447,970 km (0.07 R)
• M65: 23,661,596 km (0.101 R)
• M66: 24,305,914 km (0.088 R)
• M67: 24,521,933 km (0.091 R)
• M68: 24,608,551 km (0.098 R)
• M69: 24,695,317 km (0.07 R)
• M70: 25,130,498 km (0.079 R)
• M71: 25,392,743 km (0.093 R)
• M72: 25,920,075 km (0.1 R)
• M73: 26,096,601 km (0.069 R)
• M74: 28,382,905 km (0.117 R)
• M75: 29,067,465 km (0.087 R)
• M76: 29,434,877 km (0.045 R)
• M77: 29,757,560 km (0.099 R)
• M78: 30,685,964 km (0.055 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.4

Radius: 10.9

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.83 AU - 8.21 AU

Year: 6794 Days

Day: 14.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 42,160,229 km

• M1: 211,232 km (0.046 R)
• M2: 378,632 km (0.098 R)
• M3: 472,580 km (0.109 R)
• M4: 823,087 km (0.114 R)
• M5: 1,867,430 km (0.072 R)
• M6: 2,179,641 km (0.105 R)
• M7: 2,300,965 km (0.09 R)
• M8: 2,383,244 km (0.064 R)
• M9: 2,550,793 km (0.063 R)
• M10: 3,167,585 km (0.113 R)
• M11: 3,493,110 km (0.114 R)
• M12: 3,903,008 km (0.117 R)
• M13: 3,976,910 km (0.09 R)
• M14: 4,051,410 km (0.033 R)
• M15: 4,980,712 km (0.091 R)
• M16: 5,359,493 km (0.052 R)
• M17: 5,608,125 km (0.039 R)
• M18: 6,202,627 km (0.115 R)
• M19: 6,610,281 km (0.047 R)
• M20: 7,086,900 km (0.064 R)
• M21: 9,732,688 km (0.111 R)
• M22: 9,900,985 km (0.114 R)
• M23: 10,036,222 km (0.066 R)
• M24: 10,480,228 km (0.031 R)
• M25: 10,618,158 km (0.086 R)
• M26: 10,687,421 km (0.025 R)
• M27: 11,281,624 km (0.1 R)
• M28: 11,458,449 km (0.103 R)
• M29: 11,529,358 km (0.085 R)
• M30: 11,707,529 km (0.075 R)
• M31: 11,994,458 km (0.114 R)
• M32: 12,502,193 km (0.108 R)
• M33: 12,869,007 km (0.101 R)
• M34: 13,165,211 km (0.057 R)
• M35: 13,953,143 km (0.063 R)
• M36: 14,181,130 km (0.102 R)
• M37: 14,257,425 km (0.084 R)
• M38: 14,602,398 km (0.092 R)
• M39: 14,679,291 km (0.061 R)
• M40: 15,027,705 km (0.101 R)
• M41: 15,457,050 km (0.065 R)
• M42: 15,535,440 km (0.091 R)
• M43: 15,653,472 km (0.12 R)
• M44: 15,850,792 km (0.084 R)
• M45: 15,930,079 km (0.119 R)
• M46: 16,849,956 km (0.109 R)
• M47: 17,910,605 km (0.109 R)
• M48: 18,075,612 km (0.047 R)
• M49: 18,824,798 km (0.063 R)
• M50: 19,245,467 km (0.075 R)
• M51: 19,711,763 km (0.088 R)
• M52: 20,310,454 km (0.081 R)
• M53: 21,002,195 km (0.112 R)
• M54: 21,089,261 km (0.117 R)
• M55: 21,569,919 km (0.094 R)
• M56: 22,098,298 km (0.087 R)
• M57: 23,168,222 km (0.089 R)
• M58: 23,890,780 km (0.06 R)
• M59: 24,027,064 km (0.117 R)
• M60: 24,163,646 km (0.108 R)
• M61: 24,300,379 km (0.084 R)
• M62: 25,589,913 km (0.078 R)
• M63: 25,682,813 km (0.056 R)
• M64: 26,336,705 km (0.11 R)
• M65: 26,430,503 km (0.117 R)
• M66: 26,712,794 km (0.091 R)
• M67: 27,899,404 km (0.116 R)
• M68: 28,186,782 km (0.046 R)
• M69: 28,379,015 km (0.062 R)
• M70: 28,619,718 km (0.115 R)
• M71: 28,812,849 km (0.056 R)
• M72: 29,200,457 km (0.082 R)
• M73: 29,394,785 km (0.094 R)
• M74: 29,736,018 km (0.078 R)
• M75: 31,661,342 km (0.065 R)
• M76: 32,362,208 km (0.116 R)
• M77: 32,664,246 km (0.086 R)
• M78: 32,866,054 km (0.115 R)
• M79: 33,728,486 km (0.096 R)
• M80: 34,188,050 km (0.057 R)

Planet 10 - Gas Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.2

Radius: 15

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.67 AU - 8.59 AU

Year: 8467 Days

Day: 9.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 42,160,229 km

• M1: 190,288 km (0.056 R)
• M2: 426,803 km (0.05 R)
• M3: 522,396 km (0.107 R)
• M4: 898,186 km (0.119 R)
• M5: 1,014,423 km (0.099 R)
• M6: 1,154,148 km (0.085 R)
• M7: 1,357,750 km (0.119 R)
• M8: 1,594,265 km (0.053 R)
• M9: 1,887,925 km (0.113 R)
• M10: 2,291,690 km (0.107 R)
• M11: 2,408,825 km (0.038 R)
• M12: 2,747,963 km (0.087 R)
• M13: 3,180,600 km (0.106 R)
• M14: 3,690,280 km (0.103 R)
• M15: 4,168,245 km (0.118 R)
• M16: 4,576,947 km (0.106 R)
• M17: 5,183,417 km (0.04 R)
• M18: 7,083,459 km (0.101 R)
• M19: 7,431,274 km (0.093 R)
• M20: 7,607,201 km (0.104 R)
• M21: 8,107,307 km (0.117 R)
• M22: 8,324,972 km (0.091 R)
• M23: 8,618,333 km (0.11 R)
• M24: 9,027,184 km (0.093 R)
• M25: 9,518,613 km (0.11 R)
• M26: 9,709,949 km (0.109 R)
• M27: 9,902,631 km (0.108 R)
• M28: 10,291,735 km (0.08 R)
• M29: 10,725,569 km (0.052 R)
• M30: 10,924,833 km (0.113 R)
• M31: 11,044,960 km (0.088 R)
• M32: 11,165,536 km (0.102 R)
• M33: 11,326,952 km (0.091 R)
• M34: 11,611,338 km (0.062 R)
• M35: 12,353,643 km (0.109 R)
• M36: 12,604,518 km (0.064 R)
• M37: 13,754,327 km (0.115 R)
• M38: 13,970,945 km (0.104 R)
• M39: 14,188,760 km (0.099 R)
• M40: 15,071,088 km (0.072 R)
• M41: 15,204,978 km (0.11 R)
• M42: 15,609,042 km (0.11 R)
• M43: 15,834,935 km (0.112 R)
• M44: 17,213,928 km (0.082 R)
• M45: 19,256,836 km (0.073 R)
• M46: 19,353,776 km (0.088 R)
• M47: 19,450,865 km (0.087 R)
• M48: 19,547,954 km (0.055 R)
• M49: 19,645,342 km (0.116 R)
• M50: 20,430,282 km (0.042 R)
• M51: 21,025,682 km (0.109 R)
• M52: 21,125,463 km (0.052 R)
• M53: 21,325,476 km (0.077 R)
• M54: 21,626,766 km (0.088 R)
• M55: 21,929,402 km (0.068 R)
• M56: 22,131,958 km (0.119 R)
• M57: 22,590,026 km (0.098 R)
• M58: 22,897,151 km (0.074 R)
• M59: 22,999,925 km (0.071 R)
• M60: 23,205,622 km (0.11 R)
• M61: 26,312,321 km (0.116 R)
• M62: 26,419,882 km (0.089 R)
• M63: 27,558,321 km (0.031 R)
• M64: 27,667,677 km (0.061 R)
• M65: 28,990,123 km (0.119 R)
• M66: 29,771,023 km (0.115 R)
• M67: 30,615,503 km (0.117 R)
• M68: 32,212,909 km (0.112 R)
• M69: 34,012,871 km (0.071 R)
• M70: 35,309,885 km (0.03 R)
• M71: 35,488,056 km (0.063 R)
• M72: 36,443,238 km (0.103 R)
• M73: 36,924,046 km (0.045 R)
• M74: 37,467,385 km (0.096 R)
• M75: 38,439,771 km (0.099 R)
• M76: 39,975,992 km (0.072 R)
• M77: 40,409,676 km (0.098 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 147 - 13,500 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit