🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.62 AU - 0.64 AU

Year: 323 Days

Day: 33.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 48.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.51 AU - 0.83 AU

Year: 354 Days

Day: 15.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.4

Radius: 11.2

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.68 AU - 0.92 AU

Year: 462 Days

Day: 12.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,714,113 km

• M1: 153,487 km (0.099 R)
• M2: 284,685 km (0.079 R)
• M3: 379,530 km (0.081 R)
• M4: 455,526 km (0.119 R)
• M5: 569,968 km (0.102 R)
• M6: 660,774 km (0.079 R)
• M7: 735,722 km (0.12 R)
• M8: 806,482 km (0.095 R)
• M9: 1,036,414 km (0.117 R)
• M10: 1,131,259 km (0.077 R)
• M11: 1,255,575 km (0.088 R)
• M12: 1,342,192 km (0.116 R)
• M13: 1,418,487 km (0.102 R)
• M14: 1,499,569 km (0.058 R)
• M15: 1,601,445 km (0.117 R)
• M16: 1,755,681 km (0.043 R)
• M17: 1,833,023 km (0.068 R)
• M18: 1,994,738 km (0.082 R)
• M19: 2,154,060 km (0.063 R)
• M20: 2,284,659 km (0.075 R)
• M21: 2,496,938 km (0.053 R)
• M22: 2,569,044 km (0.109 R)
• M23: 2,739,137 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.1

Radius: 8.3

Gravity: 12.25 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.78 AU - 0.96 AU

Year: 524 Days

Day: 11.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 41,714,113 km

• M1: 105,018 km (0.11 R)
• M2: 189,690 km (0.113 R)
• M3: 272,867 km (0.063 R)
• M4: 390,750 km (0.119 R)
• M5: 443,408 km (0.117 R)
• M6: 515,215 km (0.072 R)
• M7: 569,968 km (0.098 R)
• M8: 640,279 km (0.117 R)
• M9: 732,880 km (0.108 R)
• M10: 825,182 km (0.064 R)
• M11: 1,005,746 km (0.118 R)
• M12: 1,170,903 km (0.085 R)
• M13: 1,228,049 km (0.107 R)
• M14: 1,291,927 km (0.086 R)
• M15: 1,351,168 km (0.113 R)
• M16: 1,405,173 km (0.095 R)
• M17: 1,459,926 km (0.103 R)
• M18: 1,521,710 km (0.076 R)
• M19: 1,628,822 km (0.105 R)
• M20: 1,738,477 km (0.042 R)
• M21: 1,810,733 km (0.104 R)
• M22: 1,870,572 km (0.088 R)
• M23: 2,096,016 km (0.107 R)
• M24: 2,344,797 km (0.042 R)
• M25: 2,498,733 km (0.115 R)
• M26: 2,610,782 km (0.097 R)
• M27: 2,762,624 km (0.031 R)
• M28: 2,839,816 km (0.066 R)
• M29: 2,972,510 km (0.09 R)
• M30: 3,027,711 km (0.078 R)
• M31: 3,155,318 km (0.116 R)
• M32: 3,252,258 km (0.051 R)
• M33: 3,325,561 km (0.105 R)
• M34: 3,399,462 km (0.118 R)
• M35: 3,557,288 km (0.076 R)
• M36: 3,624,457 km (0.101 R)
• M37: 3,717,507 km (0.112 R)
• M38: 3,888,797 km (0.108 R)
• M39: 3,975,414 km (0.079 R)
• M40: 4,436,175 km (0.095 R)
• M41: 4,563,184 km (0.068 R)
• M42: 4,636,337 km (0.116 R)
• M43: 4,691,389 km (0.059 R)
• M44: 4,830,066 km (0.045 R)
• M45: 4,904,716 km (0.039 R)
• M46: 4,960,815 km (0.104 R)
• M47: 5,437,135 km (0.104 R)
• M48: 5,818,908 km (0.118 R)
• M49: 5,938,138 km (0.079 R)
• M50: 6,058,115 km (0.117 R)
• M51: 6,128,576 km (0.105 R)
• M52: 6,189,014 km (0.109 R)
• M53: 6,535,931 km (0.045 R)
• M54: 6,628,831 km (0.117 R)
• M55: 6,994,448 km (0.098 R)
• M56: 7,047,107 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.2

Radius: 12.7

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.12 AU - 1.22 AU

Year: 817 Days

Day: 9.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 41,714,113 km

• M1: 159,172 km (0.111 R)
• M2: 251,025 km (0.05 R)
• M3: 333,753 km (0.118 R)
• M4: 446,849 km (0.105 R)
• M5: 552,465 km (0.055 R)
• M6: 650,751 km (0.09 R)
• M7: 741,856 km (0.078 R)
• M8: 882,777 km (0.027 R)
• M9: 969,993 km (0.106 R)
• M10: 1,049,728 km (0.099 R)
• M11: 1,199,177 km (0.092 R)
• M12: 1,297,313 km (0.099 R)
• M13: 1,410,259 km (0.044 R)
• M14: 1,501,963 km (0.097 R)
• M15: 1,633,908 km (0.088 R)
• M16: 1,724,115 km (0.098 R)
• M17: 1,829,283 km (0.088 R)
• M18: 1,991,447 km (0.107 R)
• M19: 2,116,361 km (0.049 R)
• M20: 2,201,033 km (0.097 R)
• M21: 2,344,797 km (0.078 R)
• M22: 2,499,332 km (0.114 R)
• M23: 2,672,566 km (0.103 R)
• M24: 2,803,314 km (0.086 R)
• M25: 2,967,573 km (0.12 R)
• M26: 3,095,180 km (0.058 R)
• M27: 3,200,048 km (0.068 R)
• M28: 3,405,296 km (0.093 R)
• M29: 3,572,696 km (0.104 R)
• M30: 3,828,958 km (0.052 R)
• M31: 4,073,550 km (0.111 R)
• M32: 4,251,571 km (0.118 R)
• M33: 4,368,557 km (0.093 R)
• M34: 4,459,513 km (0.109 R)
• M35: 4,541,791 km (0.119 R)
• M36: 4,680,020 km (0.079 R)
• M37: 4,847,869 km (0.107 R)
• M38: 5,122,381 km (0.119 R)
• M39: 5,382,831 km (0.12 R)
• M40: 5,558,758 km (0.059 R)
• M41: 5,776,572 km (0.08 R)
• M42: 6,007,252 km (0.073 R)
• M43: 6,159,244 km (0.088 R)
• M44: 6,395,010 km (0.085 R)
• M45: 6,498,382 km (0.118 R)
• M46: 6,748,958 km (0.116 R)
• M47: 6,970,812 km (0.101 R)
• M48: 7,056,083 km (0.076 R)
• M49: 7,184,438 km (0.102 R)
• M50: 7,346,003 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.5

Radius: 14

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.22 AU - 1.66 AU

Year: 1116 Days

Day: 12 Hours

Environment

Temp: -179 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,714,113 km

• M1: 178,021 km (0.113 R)
• M2: 265,536 km (0.11 R)
• M3: 359,035 km (0.086 R)
• M4: 566,976 km (0.101 R)
• M5: 656,735 km (0.042 R)
• M6: 941,868 km (0.036 R)
• M7: 1,072,168 km (0.082 R)
• M8: 1,161,627 km (0.065 R)
• M9: 1,250,489 km (0.073 R)
• M10: 1,413,700 km (0.105 R)
• M11: 1,520,513 km (0.047 R)
• M12: 1,637,947 km (0.059 R)
• M13: 1,734,887 km (0.04 R)
• M14: 1,971,850 km (0.077 R)
• M15: 2,262,817 km (0.053 R)
• M16: 2,385,039 km (0.083 R)
• M17: 2,549,896 km (0.117 R)
• M18: 2,765,167 km (0.118 R)
• M19: 2,924,638 km (0.068 R)
• M20: 3,058,229 km (0.116 R)
• M21: 3,371,637 km (0.119 R)
• M22: 3,491,913 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.2

Radius: 9

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.97 AU - 2.23 AU

Year: 1965 Days

Day: 10.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 41,714,113 km

• M1: 114,891 km (0.027 R)
• M2: 253,868 km (0.097 R)
• M3: 350,957 km (0.105 R)
• M4: 472,430 km (0.052 R)
• M5: 560,543 km (0.065 R)
• M6: 654,939 km (0.025 R)
• M7: 793,318 km (0.101 R)
• M8: 872,156 km (0.096 R)
• M9: 995,574 km (0.098 R)
• M10: 1,081,293 km (0.117 R)
• M11: 1,214,735 km (0.112 R)
• M12: 1,367,175 km (0.113 R)
• M13: 1,554,471 km (0.112 R)
• M14: 1,654,852 km (0.062 R)
• M15: 1,750,145 km (0.104 R)
• M16: 1,877,603 km (0.049 R)
• M17: 1,992,644 km (0.094 R)
• M18: 2,118,007 km (0.075 R)
• M19: 2,254,141 km (0.098 R)
• M20: 2,459,539 km (0.104 R)
• M21: 2,560,368 km (0.085 R)
• M22: 2,705,627 km (0.109 R)
• M23: 2,880,058 km (0.051 R)
• M24: 2,941,992 km (0.074 R)
• M25: 3,022,326 km (0.086 R)
• M26: 3,112,533 km (0.05 R)
• M27: 3,313,892 km (0.084 R)
• M28: 3,463,041 km (0.055 R)
• M29: 3,614,584 km (0.095 R)
• M30: 3,691,028 km (0.107 R)
• M31: 3,875,183 km (0.075 R)
• M32: 4,052,307 km (0.049 R)
• M33: 4,151,790 km (0.078 R)
• M34: 4,465,796 km (0.109 R)
• M35: 4,527,430 km (0.076 R)
• M36: 4,651,596 km (0.062 R)
• M37: 4,797,903 km (0.083 R)
• M38: 4,882,276 km (0.071 R)
• M39: 5,105,925 km (0.119 R)
• M40: 5,278,561 km (0.046 R)
• M41: 5,354,856 km (0.106 R)
• M42: 5,585,536 km (0.028 R)
• M43: 5,808,287 km (0.085 R)
• M44: 5,920,785 km (0.061 R)
• M45: 6,262,616 km (0.091 R)
• M46: 6,343,399 km (0.118 R)
• M47: 6,401,293 km (0.098 R)
• M48: 6,716,795 km (0.11 R)
• M49: 7,049,351 km (0.069 R)
• M50: 7,109,190 km (0.098 R)
• M51: 7,302,321 km (0.099 R)
• M52: 7,387,292 km (0.117 R)
• M53: 7,631,885 km (0.108 R)
• M54: 7,842,070 km (0.1 R)
• M55: 8,066,616 km (0.102 R)
• M56: 8,217,411 km (0.1 R)
• M57: 8,509,276 km (0.03 R)
• M58: 8,585,871 km (0.063 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.1

Radius: 11

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.9 AU - 6.44 AU

Year: 8717 Days

Day: 10 Hours

Environment

Temp: -229 °C

Axial Tilt: 119.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 41,714,113 km

• M1: 151,543 km (0.069 R)
• M2: 228,885 km (0.064 R)
• M3: 363,672 km (0.045 R)
• M4: 469,438 km (0.073 R)
• M5: 546,930 km (0.06 R)
• M6: 644,168 km (0.048 R)
• M7: 809,923 km (0.081 R)
• M8: 1,451,548 km (0.073 R)
• M9: 1,612,515 km (0.082 R)
• M10: 1,758,224 km (0.104 R)
• M11: 2,153,461 km (0.107 R)
• M12: 2,268,203 km (0.12 R)
• M13: 2,432,461 km (0.086 R)
• M14: 3,338,426 km (0.114 R)
• M15: 3,526,022 km (0.044 R)
• M16: 4,080,880 km (0.029 R)
• M17: 4,368,707 km (0.096 R)
• M18: 5,396,444 km (0.093 R)
• M19: 5,617,101 km (0.1 R)
• M20: 6,297,023 km (0.096 R)
• M21: 6,562,859 km (0.106 R)
• M22: 7,071,342 km (0.1 R)
• M23: 7,557,535 km (0.103 R)
• M24: 7,733,761 km (0.081 R)
• M25: 8,307,020 km (0.091 R)
• M26: 9,154,941 km (0.096 R)
• M27: 9,418,532 km (0.113 R)
• M28: 11,012,049 km (0.109 R)
• M29: 11,252,303 km (0.1 R)
• M30: 11,332,787 km (0.087 R)
• M31: 11,575,285 km (0.101 R)
• M32: 11,778,588 km (0.08 R)
• M33: 13,748,044 km (0.07 R)
• M34: 14,354,215 km (0.067 R)
• M35: 15,235,346 km (0.103 R)
• M36: 15,458,247 km (0.096 R)
• M37: 16,270,115 km (0.114 R)
• M38: 16,681,210 km (0.119 R)
• M39: 16,865,066 km (0.041 R)
• M40: 17,420,672 km (0.077 R)
• M41: 17,560,396 km (0.116 R)
• M42: 17,700,570 km (0.098 R)
• M43: 18,265,152 km (0.117 R)
• M44: 18,787,847 km (0.111 R)
• M45: 19,075,075 km (0.114 R)
• M46: 19,363,649 km (0.115 R)
• M47: 19,508,460 km (0.109 R)
• M48: 20,091,592 km (0.094 R)
• M49: 20,631,042 km (0.105 R)
• M50: 21,225,095 km (0.1 R)
• M51: 21,424,360 km (0.056 R)
• M52: 23,194,252 km (0.099 R)
• M53: 24,018,985 km (0.028 R)
• M54: 24,226,627 km (0.102 R)
• M55: 25,010,670 km (0.119 R)
• M56: 25,379,428 km (0.048 R)
• M57: 25,590,960 km (0.058 R)
• M58: 25,697,025 km (0.088 R)
• M59: 25,909,454 km (0.054 R)
• M60: 26,603,737 km (0.1 R)
• M61: 27,956,252 km (0.068 R)
• M62: 28,174,665 km (0.118 R)
• M63: 28,393,825 km (0.109 R)
• M64: 28,668,338 km (0.113 R)
• M65: 28,943,897 km (0.054 R)
• M66: 29,164,853 km (0.095 R)
• M67: 29,998,711 km (0.115 R)
• M68: 30,110,461 km (0.071 R)
• M69: 30,671,453 km (0.095 R)
• M70: 31,292,434 km (0.113 R)
• M71: 34,987,352 km (0.117 R)
• M72: 36,051,142 km (0.098 R)
• M73: 37,726,937 km (0.098 R)
• M74: 38,878,542 km (0.034 R)
• M75: 39,000,464 km (0.043 R)
• M76: 40,287,903 km (0.085 R)
• M77: 40,720,241 km (0.047 R)
• M78: 40,906,042 km (0.055 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: 507 - 13,236 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit