🌌 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: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.54 AU - 0.6 AU

Year: 282 Days

Day: 15.3 Hours

Environment

Temp: -129 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.53 AU - 0.79 AU

Year: 352 Days

Day: 12.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.9

Radius: 10.3

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.8 AU - 0.94 AU

Year: 532 Days

Day: 10.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,343,096 km

• M1: 130,749 km (0.115 R)
• M2: 218,413 km (0.106 R)
• M3: 316,100 km (0.087 R)
• M4: 428,000 km (0.116 R)
• M5: 537,056 km (0.097 R)
• M6: 611,257 km (0.033 R)
• M7: 758,760 km (0.112 R)
• M8: 942,467 km (0.089 R)
• M9: 1,010,384 km (0.117 R)
• M10: 1,140,983 km (0.111 R)
• M11: 1,349,672 km (0.053 R)
• M12: 1,427,313 km (0.074 R)
• M13: 1,538,614 km (0.091 R)
• M14: 1,821,354 km (0.069 R)
• M15: 1,912,010 km (0.096 R)
• M16: 2,004,312 km (0.115 R)
• M17: 2,071,183 km (0.116 R)
• M18: 2,281,068 km (0.117 R)
• M19: 2,351,080 km (0.095 R)
• M20: 2,560,667 km (0.059 R)
• M21: 2,628,584 km (0.081 R)
• M22: 2,957,251 km (0.116 R)
• M23: 3,069,898 km (0.098 R)
• M24: 3,157,861 km (0.072 R)
• M25: 3,670,533 km (0.054 R)

Asteroid Belt

Center: 1.19 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.2

Radius: 8.9

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.44 AU - 1.58 AU

Year: 1217 Days

Day: 9.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 48,343,096 km

• M1: 116,238 km (0.081 R)
• M2: 229,334 km (0.069 R)
• M3: 368,609 km (0.05 R)
• M4: 496,366 km (0.068 R)
• M5: 616,642 km (0.075 R)
• M6: 707,748 km (0.031 R)
• M7: 808,726 km (0.112 R)
• M8: 1,014,722 km (0.047 R)
• M9: 1,100,741 km (0.078 R)
• M10: 1,207,404 km (0.059 R)
• M11: 1,286,691 km (0.08 R)
• M12: 1,355,207 km (0.05 R)
• M13: 1,450,651 km (0.051 R)
• M14: 1,522,158 km (0.115 R)
• M15: 1,635,105 km (0.072 R)
• M16: 1,969,007 km (0.03 R)
• M17: 2,041,263 km (0.084 R)
• M18: 2,293,934 km (0.119 R)
• M19: 2,470,609 km (0.108 R)
• M20: 2,772,348 km (0.114 R)
• M21: 3,238,495 km (0.082 R)
• M22: 3,454,514 km (0.063 R)
• M23: 3,738,002 km (0.1 R)
• M24: 4,186,646 km (0.067 R)
• M25: 4,374,840 km (0.092 R)
• M26: 4,450,836 km (0.119 R)
• M27: 4,594,599 km (0.088 R)
• M28: 4,837,696 km (0.099 R)
• M29: 5,015,269 km (0.107 R)
• M30: 5,305,937 km (0.105 R)
• M31: 5,479,022 km (0.088 R)
• M32: 5,967,010 km (0.028 R)
• M33: 6,296,574 km (0.069 R)
• M34: 6,436,448 km (0.092 R)
• M35: 6,501,523 km (0.049 R)
• M36: 6,577,519 km (0.08 R)
• M37: 6,741,478 km (0.082 R)
• M38: 6,840,512 km (0.092 R)
• M39: 7,040,076 km (0.054 R)
• M40: 7,107,096 km (0.04 R)
• M41: 7,343,161 km (0.12 R)
• M42: 7,445,037 km (0.044 R)
• M43: 7,535,993 km (0.093 R)
• M44: 7,799,734 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.7

Radius: 8.7

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.58 AU - 3.88 AU

Year: 3808 Days

Day: 13.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 48,343,096 km

• M1: 109,057 km (0.074 R)
• M2: 184,305 km (0.099 R)
• M3: 258,206 km (0.076 R)
• M4: 331,359 km (0.118 R)
• M5: 388,057 km (0.044 R)
• M6: 1,110,016 km (0.105 R)
• M7: 1,214,585 km (0.081 R)
• M8: 1,405,622 km (0.076 R)
• M9: 1,519,166 km (0.026 R)
• M10: 1,606,382 km (0.092 R)
• M11: 1,909,617 km (0.111 R)
• M12: 2,148,824 km (0.096 R)
• M13: 2,313,830 km (0.108 R)
• M14: 2,744,523 km (0.114 R)
• M15: 2,833,683 km (0.119 R)
• M16: 3,033,246 km (0.071 R)
• M17: 3,504,031 km (0.118 R)
• M18: 3,897,174 km (0.081 R)
• M19: 4,201,157 km (0.054 R)
• M20: 4,491,975 km (0.062 R)
• M21: 4,703,806 km (0.055 R)
• M22: 5,381,035 km (0.113 R)
• M23: 5,811,129 km (0.102 R)
• M24: 5,880,094 km (0.049 R)
• M25: 5,995,583 km (0.102 R)
• M26: 6,656,357 km (0.088 R)
• M27: 6,922,342 km (0.105 R)
• M28: 7,640,113 km (0.036 R)
• M29: 7,766,224 km (0.116 R)
• M30: 8,071,852 km (0.052 R)
• M31: 8,906,160 km (0.104 R)
• M32: 8,985,746 km (0.053 R)
• M33: 9,145,666 km (0.09 R)
• M34: 9,333,561 km (0.069 R)
• M35: 9,495,575 km (0.063 R)
• M36: 9,604,034 km (0.113 R)
• M37: 9,932,102 km (0.069 R)
• M38: 10,347,386 km (0.116 R)
• M39: 10,458,986 km (0.104 R)
• M40: 10,599,308 km (0.028 R)
• M41: 11,309,599 km (0.108 R)
• M42: 11,598,024 km (0.07 R)
• M43: 11,801,327 km (0.116 R)
• M44: 11,947,335 km (0.099 R)
• M45: 12,005,828 km (0.117 R)
• M46: 12,566,969 km (0.08 R)
• M47: 12,626,509 km (0.049 R)
• M48: 13,288,031 km (0.115 R)
• M49: 13,898,989 km (0.059 R)
• M50: 14,239,025 km (0.112 R)
• M51: 14,301,108 km (0.082 R)
• M52: 14,456,839 km (0.071 R)
• M53: 14,769,947 km (0.116 R)
• M54: 15,148,580 km (0.102 R)
• M55: 15,658,260 km (0.063 R)
• M56: 16,368,550 km (0.04 R)
• M57: 16,433,625 km (0.103 R)
• M58: 17,353,802 km (0.102 R)
• M59: 17,619,787 km (0.114 R)
• M60: 18,155,796 km (0.066 R)
• M61: 18,290,733 km (0.092 R)
• M62: 18,527,547 km (0.068 R)
• M63: 18,663,232 km (0.106 R)
• M64: 19,004,166 km (0.06 R)
• M65: 19,381,451 km (0.055 R)
• M66: 19,726,723 km (0.063 R)
• M67: 19,934,814 km (0.112 R)
• M68: 20,353,090 km (0.113 R)
• M69: 20,598,580 km (0.098 R)
• M70: 20,668,891 km (0.075 R)
• M71: 21,127,707 km (0.103 R)
• M72: 21,269,526 km (0.091 R)
• M73: 21,625,569 km (0.115 R)
• M74: 21,697,077 km (0.089 R)
• M75: 21,947,653 km (0.083 R)
• M76: 22,379,692 km (0.096 R)
• M77: 22,451,948 km (0.087 R)
• M78: 22,778,221 km (0.086 R)
• M79: 23,766,165 km (0.043 R)
• M80: 24,024,520 km (0.074 R)
• M81: 24,506,974 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.6

Radius: 14.1

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.56 AU - 5.76 AU

Year: 7689 Days

Day: 6.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 48,343,096 km

• M1: 274,512 km (0.106 R)
• M2: 541,245 km (0.101 R)
• M3: 1,018,313 km (0.089 R)
• M4: 1,121,535 km (0.119 R)
• M5: 1,591,721 km (0.073 R)
• M6: 2,233,795 km (0.108 R)
• M7: 2,325,200 km (0.083 R)
• M8: 2,535,834 km (0.109 R)
• M9: 2,951,117 km (0.104 R)
• M10: 4,124,862 km (0.101 R)
• M11: 4,238,257 km (0.079 R)
• M12: 5,061,195 km (0.074 R)
• M13: 6,223,571 km (0.118 R)
• M14: 7,088,396 km (0.045 R)
• M15: 7,259,087 km (0.112 R)
• M16: 7,814,544 km (0.108 R)
• M17: 9,262,801 km (0.111 R)
• M18: 9,789,086 km (0.069 R)
• M19: 11,187,078 km (0.071 R)
• M20: 11,546,412 km (0.083 R)
• M21: 11,747,622 km (0.092 R)
• M22: 11,990,718 km (0.064 R)
• M23: 12,440,709 km (0.078 R)
• M24: 12,771,469 km (0.109 R)
• M25: 13,399,481 km (0.091 R)
• M26: 14,037,516 km (0.106 R)
• M27: 14,425,124 km (0.086 R)
• M28: 14,555,125 km (0.069 R)
• M29: 15,387,637 km (0.09 R)
• M30: 15,520,480 km (0.049 R)
• M31: 15,698,202 km (0.099 R)
• M32: 16,100,620 km (0.107 R)
• M33: 17,790,478 km (0.113 R)
• M34: 17,930,053 km (0.058 R)
• M35: 18,116,601 km (0.062 R)
• M36: 18,538,767 km (0.111 R)
• M37: 19,920,901 km (0.096 R)
• M38: 20,502,687 km (0.119 R)
• M39: 20,991,723 km (0.069 R)
• M40: 21,484,498 km (0.114 R)
• M41: 21,583,532 km (0.081 R)
• M42: 22,331,222 km (0.112 R)
• M43: 22,431,602 km (0.114 R)
• M44: 22,986,012 km (0.055 R)
• M45: 23,188,867 km (0.066 R)
• M46: 23,494,046 km (0.11 R)
• M47: 24,469,574 km (0.049 R)
• M48: 25,615,494 km (0.049 R)
• M49: 25,720,512 km (0.08 R)
• M50: 26,459,974 km (0.053 R)
• M51: 26,725,660 km (0.108 R)
• M52: 27,528,402 km (0.087 R)
• M53: 27,689,818 km (0.084 R)
• M54: 27,905,688 km (0.072 R)
• M55: 28,556,438 km (0.107 R)
• M56: 30,538,610 km (0.092 R)
• M57: 31,433,804 km (0.1 R)
• M58: 31,828,144 km (0.045 R)
• M59: 33,135,480 km (0.043 R)
• M60: 33,249,922 km (0.083 R)
• M61: 33,709,337 km (0.105 R)
• M62: 34,228,591 km (0.117 R)
• M63: 34,344,380 km (0.108 R)
• M64: 34,983,462 km (0.105 R)
• M65: 35,392,163 km (0.098 R)
• M66: 36,096,470 km (0.034 R)
• M67: 36,924,046 km (0.107 R)
• M68: 37,280,687 km (0.049 R)
• M69: 37,459,307 km (0.089 R)
• M70: 37,877,433 km (0.117 R)
• M71: 38,417,332 km (0.096 R)
• M72: 38,597,896 km (0.063 R)
• M73: 39,141,236 km (0.097 R)
• M74: 39,626,232 km (0.071 R)
• M75: 40,113,323 km (0.073 R)
• M76: 40,479,837 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 581.1

Radius: 3.6

Gravity: 44.84 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 5.64 AU - 7.46 AU

Year: 10997 Days

Day: 20.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 121.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 48,343,096 km

• M1: 46,226 km (0.115 R)
• M2: 171,290 km (0.081 R)
• M3: 863,629 km (0.106 R)
• M4: 1,370,616 km (0.105 R)
• M5: 1,572,124 km (0.057 R)
• M6: 1,664,576 km (0.088 R)
• M7: 1,953,000 km (0.096 R)
• M8: 2,230,654 km (0.081 R)
• M9: 3,106,998 km (0.069 R)
• M10: 3,460,049 km (0.067 R)
• M11: 4,462,205 km (0.106 R)
• M12: 4,527,729 km (0.096 R)
• M13: 4,960,815 km (0.1 R)
• M14: 5,233,831 km (0.117 R)
• M15: 5,302,945 km (0.095 R)
• M16: 5,476,778 km (0.1 R)
• M17: 5,901,786 km (0.113 R)
• M18: 6,374,216 km (0.1 R)
• M19: 6,670,868 km (0.045 R)
• M20: 7,162,447 km (0.063 R)
• M21: 7,239,191 km (0.103 R)
• M22: 8,220,253 km (0.118 R)
• M23: 8,381,071 km (0.056 R)
• M24: 8,746,688 km (0.092 R)
• M25: 8,787,678 km (0.104 R)
• M26: 8,828,668 km (0.101 R)
• M27: 9,076,103 km (0.101 R)
• M28: 9,200,718 km (0.096 R)
• M29: 9,242,306 km (0.038 R)
• M30: 9,451,593 km (0.079 R)
• M31: 9,789,535 km (0.107 R)
• M32: 10,131,366 km (0.085 R)
• M33: 10,303,853 km (0.05 R)
• M34: 11,135,916 km (0.063 R)
• M35: 11,358,518 km (0.058 R)
• M36: 11,403,247 km (0.117 R)
• M37: 11,492,856 km (0.119 R)
• M38: 11,717,702 km (0.062 R)
• M39: 12,126,254 km (0.062 R)
• M40: 12,401,065 km (0.115 R)
• M41: 12,770,871 km (0.115 R)
• M42: 13,238,065 km (0.108 R)
• M43: 13,332,312 km (0.099 R)
• M44: 14,430,510 km (0.083 R)
• M45: 16,865,365 km (0.088 R)
• M46: 18,364,934 km (0.106 R)
• M47: 18,575,119 km (0.106 R)
• M48: 19,477,194 km (0.056 R)
• M49: 20,993,817 km (0.107 R)
• M50: 21,048,720 km (0.086 R)
• M51: 21,268,628 km (0.104 R)
• M52: 21,544,637 km (0.069 R)
• M53: 22,100,093 km (0.049 R)
• M54: 23,852,034 km (0.117 R)
• M55: 24,311,300 km (0.066 R)
• M56: 24,889,495 km (0.106 R)
• M57: 25,589,314 km (0.094 R)
• M58: 25,706,599 km (0.098 R)
• M59: 26,413,898 km (0.112 R)
• M60: 26,710,550 km (0.11 R)
• M61: 27,187,468 km (0.039 R)
• M62: 27,307,147 km (0.069 R)
• M63: 27,607,090 km (0.113 R)
• M64: 28,089,095 km (0.064 R)
• M65: 28,149,682 km (0.041 R)
• M66: 28,634,828 km (0.054 R)
• M67: 29,245,337 km (0.117 R)
• M68: 29,368,007 km (0.107 R)
• M69: 29,490,677 km (0.098 R)
• M70: 29,798,400 km (0.079 R)
• M71: 29,860,034 km (0.11 R)
• M72: 30,479,070 km (0.05 R)
• M73: 31,039,763 km (0.094 R)
• M74: 31,603,897 km (0.086 R)
• M75: 31,981,781 km (0.069 R)
• M76: 35,515,432 km (0.111 R)
• M77: 36,764,574 km (0.096 R)
• M78: 37,228,328 km (0.085 R)
• M79: 38,631,406 km (0.052 R)
• M80: 39,440,880 km (0.075 R)
• M81: 40,392,323 km (0.097 R)
• M82: 40,597,272 km (0.1 R)
• M83: 42,387,210 km (0.07 R)
• M84: 42,525,888 km (0.099 R)
• M85: 42,803,840 km (0.05 R)
• M86: 42,943,116 km (0.052 R)
• M87: 43,641,289 km (0.118 R)
• M88: 44,132,419 km (0.091 R)
• M89: 44,413,813 km (0.064 R)
• M90: 45,545,371 km (0.051 R)
• M91: 45,687,489 km (0.091 R)
• M92: 46,686,354 km (0.072 R)
• M93: 46,758,011 km (0.105 R)
• M94: 46,973,133 km (0.119 R)
• M95: 47,116,747 km (0.05 R)
• M96: 48,053,529 km (0.047 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 15,601 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit