🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.39 AU - 0.63 AU

Year: 239 Days

Day: 35.7 Hours

Environment

Temp: -126 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 16,817,435 km

• M1: 457,171 km (0.084 R)
• M2: 686,804 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.5 AU - 0.54 AU

Year: 246 Days

Day: 23.8 Hours

Environment

Temp: -124 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 16,817,435 km

• M1: 146,157 km (0.11 R)
• M2: 168,447 km (0.047 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.57 AU - 0.75 AU

Year: 352 Days

Day: 20.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 16,817,435 km

• M1: 442,959 km (0.028 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517

Radius: 13.3

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.62 AU - 0.92 AU

Year: 443 Days

Day: 7 Hours

Environment

Temp: -141 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 16,817,435 km

• M1: 182,659 km (0.092 R)
• M2: 289,921 km (0.076 R)
• M3: 380,278 km (0.06 R)
• M4: 467,194 km (0.075 R)
• M5: 553,512 km (0.115 R)
• M6: 657,333 km (0.103 R)
• M7: 872,156 km (0.086 R)
• M8: 959,222 km (0.1 R)
• M9: 1,098,048 km (0.118 R)
• M10: 1,244,205 km (0.058 R)
• M11: 1,343,838 km (0.107 R)
• M12: 1,436,588 km (0.105 R)
• M13: 1,521,410 km (0.071 R)
• M14: 1,686,118 km (0.069 R)
• M15: 1,928,167 km (0.107 R)
• M16: 2,011,343 km (0.109 R)
• M17: 2,210,608 km (0.044 R)
• M18: 2,297,973 km (0.12 R)
• M19: 2,398,652 km (0.068 R)
• M20: 2,488,561 km (0.09 R)
• M21: 2,635,017 km (0.116 R)
• M22: 2,866,594 km (0.118 R)
• M23: 3,203,489 km (0.034 R)
• M24: 3,349,945 km (0.073 R)
• M25: 3,437,460 km (0.05 R)
• M26: 3,532,754 km (0.062 R)
• M27: 3,656,471 km (0.107 R)
• M28: 3,774,803 km (0.094 R)
• M29: 3,972,422 km (0.05 R)
• M30: 4,217,014 km (0.049 R)
• M31: 4,429,593 km (0.086 R)
• M32: 4,533,563 km (0.12 R)
• M33: 4,645,911 km (0.119 R)
• M34: 4,728,789 km (0.03 R)
• M35: 4,835,153 km (0.082 R)
• M36: 4,949,894 km (0.091 R)
• M37: 5,190,149 km (0.1 R)
• M38: 5,292,025 km (0.054 R)
• M39: 5,386,571 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.3

Radius: 8.8

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.14 AU - 1.72 AU

Year: 1122 Days

Day: 5.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 16,817,435 km

• M1: 127,009 km (0.119 R)
• M2: 227,688 km (0.101 R)
• M3: 288,724 km (0.05 R)
• M4: 409,449 km (0.063 R)
• M5: 490,083 km (0.061 R)
• M6: 622,477 km (0.119 R)
• M7: 717,771 km (0.112 R)
• M8: 799,152 km (0.065 R)
• M9: 1,034,320 km (0.118 R)
• M10: 1,091,167 km (0.114 R)
• M11: 1,223,262 km (0.052 R)
• M12: 1,322,146 km (0.068 R)
• M13: 1,415,794 km (0.056 R)
• M14: 1,552,377 km (0.111 R)
• M15: 1,778,419 km (0.042 R)
• M16: 1,856,210 km (0.106 R)
• M17: 1,952,851 km (0.047 R)
• M18: 2,051,136 km (0.119 R)
• M19: 2,299,618 km (0.119 R)
• M20: 2,375,165 km (0.037 R)
• M21: 2,538,526 km (0.058 R)
• M22: 2,775,340 km (0.094 R)
• M23: 3,281,280 km (0.085 R)
• M24: 3,463,490 km (0.116 R)
• M25: 3,605,159 km (0.079 R)
• M26: 3,715,413 km (0.065 R)
• M27: 3,782,133 km (0.027 R)
• M28: 3,950,581 km (0.093 R)
• M29: 4,075,794 km (0.115 R)
• M30: 4,577,844 km (0.079 R)
• M31: 4,637,534 km (0.085 R)
• M32: 4,733,426 km (0.112 R)
• M33: 4,854,451 km (0.099 R)
• M34: 5,000,907 km (0.116 R)
• M35: 5,124,176 km (0.069 R)
• M36: 5,198,526 km (0.082 R)
• M37: 5,423,970 km (0.115 R)
• M38: 5,487,100 km (0.117 R)
• M39: 5,665,421 km (0.117 R)
• M40: 5,729,449 km (0.115 R)
• M41: 5,793,926 km (0.113 R)
• M42: 5,858,552 km (0.083 R)
• M43: 5,936,343 km (0.09 R)
• M44: 6,145,780 km (0.12 R)
• M45: 6,211,603 km (0.09 R)
• M46: 6,410,867 km (0.08 R)
• M47: 6,679,695 km (0.107 R)
• M48: 7,117,717 km (0.06 R)
• M49: 7,354,082 km (0.116 R)
• M50: 7,949,332 km (0.1 R)
• M51: 8,209,183 km (0.116 R)
• M52: 8,296,548 km (0.036 R)
• M53: 8,442,556 km (0.095 R)
• M54: 8,574,800 km (0.078 R)
• M55: 8,737,413 km (0.095 R)
• M56: 8,841,384 km (0.115 R)
• M57: 8,975,723 km (0.101 R)
• M58: 9,291,673 km (0.103 R)
• M59: 9,352,260 km (0.093 R)
• M60: 9,504,402 km (0.089 R)
• M61: 9,642,032 km (0.079 R)
• M62: 9,888,270 km (0.114 R)
• M63: 10,136,602 km (0.079 R)
• M64: 10,481,425 km (0.106 R)
• M65: 10,544,556 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.8

Radius: 11.4

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.1 AU - 2.88 AU

Year: 2578 Days

Day: 7.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 16,817,435 km

• M1: 151,842 km (0.111 R)
• M2: 227,239 km (0.114 R)
• M3: 306,975 km (0.099 R)
• M4: 402,418 km (0.098 R)
• M5: 483,052 km (0.094 R)
• M6: 640,428 km (0.087 R)
• M7: 915,539 km (0.082 R)
• M8: 1,009,486 km (0.12 R)
• M9: 1,386,623 km (0.088 R)
• M10: 1,585,887 km (0.062 R)
• M11: 1,666,071 km (0.047 R)
• M12: 1,818,512 km (0.096 R)
• M13: 2,050,089 km (0.11 R)
• M14: 2,125,187 km (0.069 R)
• M15: 2,435,304 km (0.083 R)
• M16: 2,515,189 km (0.104 R)
• M17: 2,705,029 km (0.103 R)
• M18: 3,229,519 km (0.099 R)
• M19: 3,332,442 km (0.093 R)
• M20: 3,662,754 km (0.101 R)
• M21: 3,754,757 km (0.113 R)
• M22: 3,847,508 km (0.12 R)
• M23: 4,162,411 km (0.115 R)
• M24: 4,420,318 km (0.083 R)
• M25: 4,502,148 km (0.085 R)
• M26: 4,750,331 km (0.062 R)
• M27: 5,020,056 km (0.078 R)
• M28: 5,260,160 km (0.102 R)
• M29: 5,381,634 km (0.067 R)
• M30: 5,486,652 km (0.057 R)
• M31: 5,627,573 km (0.076 R)
• M32: 5,716,284 km (0.09 R)
• M33: 5,841,198 km (0.095 R)
• M34: 6,075,768 km (0.115 R)
• M35: 6,166,873 km (0.092 R)
• M36: 6,313,479 km (0.053 R)
• M37: 6,610,431 km (0.092 R)
• M38: 6,779,327 km (0.097 R)
• M39: 6,873,873 km (0.104 R)
• M40: 7,704,739 km (0.081 R)
• M41: 7,862,864 km (0.078 R)
• M42: 8,042,082 km (0.092 R)
• M43: 8,162,209 km (0.06 R)
• M44: 8,343,672 km (0.066 R)
• M45: 8,485,640 km (0.076 R)
• M46: 8,751,625 km (0.068 R)
• M47: 9,103,629 km (0.099 R)
• M48: 9,249,936 km (0.086 R)
• M49: 9,439,177 km (0.078 R)
• M50: 9,566,036 km (0.118 R)
• M51: 9,672,250 km (0.058 R)
• M52: 9,971,596 km (0.102 R)
• M53: 10,645,384 km (0.057 R)
• M54: 10,777,479 km (0.117 R)
• M55: 11,154,765 km (0.106 R)
• M56: 11,244,225 km (0.086 R)
• M57: 11,604,307 km (0.109 R)
• M58: 12,220,500 km (0.05 R)
• M59: 12,521,043 km (0.101 R)
• M60: 13,247,490 km (0.097 R)
• M61: 13,318,549 km (0.073 R)
• M62: 13,437,180 km (0.05 R)
• M63: 13,603,832 km (0.118 R)
• M64: 14,350,625 km (0.077 R)
• M65: 14,472,248 km (0.111 R)
• M66: 14,545,401 km (0.064 R)
• M67: 15,036,381 km (0.073 R)
• M68: 15,733,058 km (0.089 R)
• M69: 15,984,383 km (0.111 R)
• M70: 16,060,079 km (0.048 R)
• M71: 16,363,913 km (0.083 R)
• M72: 16,465,490 km (0.069 R)
• M73: 16,925,802 km (0.118 R)
• M74: 17,183,410 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.7

Radius: 10.8

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.32 AU - 3.56 AU

Year: 3307 Days

Day: 14.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 16,817,435 km

• M1: 170,990 km (0.106 R)
• M2: 266,434 km (0.102 R)
• M3: 371,003 km (0.099 R)
• M4: 501,153 km (0.091 R)
• M5: 641,176 km (0.043 R)
• M6: 890,855 km (0.105 R)
• M7: 1,008,888 km (0.119 R)
• M8: 1,094,009 km (0.063 R)
• M9: 1,302,399 km (0.086 R)
• M10: 1,406,370 km (0.077 R)
• M11: 1,535,024 km (0.115 R)
• M12: 1,611,917 km (0.112 R)
• M13: 1,712,746 km (0.058 R)
• M14: 2,199,238 km (0.111 R)
• M15: 2,311,736 km (0.106 R)
• M16: 2,794,638 km (0.115 R)
• M17: 3,040,876 km (0.087 R)
• M18: 3,251,659 km (0.054 R)
• M19: 3,351,740 km (0.047 R)
• M20: 3,598,876 km (0.104 R)
• M21: 4,065,173 km (0.046 R)
• M22: 4,188,740 km (0.056 R)
• M23: 4,455,324 km (0.05 R)
• M24: 4,534,760 km (0.109 R)
• M25: 4,695,129 km (0.069 R)
• M26: 4,939,273 km (0.12 R)
• M27: 5,121,034 km (0.08 R)
• M28: 5,372,359 km (0.084 R)
• M29: 5,491,139 km (0.115 R)
• M30: 5,835,215 km (0.116 R)
• M31: 6,580,511 km (0.079 R)
• M32: 6,725,920 km (0.091 R)
• M33: 7,112,780 km (0.069 R)
• M34: 7,243,230 km (0.089 R)
• M35: 7,850,298 km (0.114 R)
• M36: 8,572,407 km (0.099 R)
• M37: 8,791,268 km (0.093 R)
• M38: 8,891,349 km (0.072 R)
• M39: 9,072,363 km (0.12 R)
• M40: 9,336,254 km (0.099 R)
• M41: 9,809,132 km (0.086 R)
• M42: 10,017,073 km (0.077 R)
• M43: 10,184,623 km (0.09 R)
• M44: 10,480,079 km (0.061 R)
• M45: 11,187,378 km (0.114 R)
• M46: 11,426,734 km (0.079 R)
• M47: 11,536,090 km (0.102 R)
• M48: 11,689,727 km (0.107 R)
• M49: 11,777,691 km (0.104 R)
• M50: 12,266,277 km (0.053 R)
• M51: 12,333,447 km (0.09 R)
• M52: 12,445,496 km (0.111 R)
• M53: 14,004,305 km (0.036 R)
• M54: 15,117,463 km (0.092 R)
• M55: 15,285,611 km (0.064 R)
• M56: 15,769,710 km (0.034 R)
• M57: 15,842,714 km (0.102 R)
• M58: 15,915,867 km (0.093 R)
• M59: 16,160,609 km (0.047 R)
• M60: 16,283,429 km (0.116 R)
• M61: 16,653,684 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.3

Radius: 13.5

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.26 AU - 4.28 AU

Year: 4802 Days

Day: 13.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 16,817,435 km

• M1: 182,061 km (0.062 R)
• M2: 281,543 km (0.099 R)
• M3: 400,473 km (0.087 R)
• M4: 587,770 km (0.078 R)
• M5: 710,291 km (0.117 R)
• M6: 851,361 km (0.118 R)
• M7: 984,653 km (0.092 R)
• M8: 1,077,703 km (0.06 R)
• M9: 1,314,367 km (0.12 R)
• M10: 1,503,459 km (0.096 R)
• M11: 1,816,118 km (0.091 R)
• M12: 2,101,102 km (0.097 R)
• M13: 2,211,805 km (0.045 R)
• M14: 2,439,193 km (0.088 R)
• M15: 2,661,197 km (0.109 R)
• M16: 2,958,597 km (0.067 R)
• M17: 3,153,523 km (0.098 R)
• M18: 3,295,491 km (0.1 R)
• M19: 3,779,141 km (0.104 R)
• M20: 4,348,361 km (0.115 R)
• M21: 4,683,610 km (0.11 R)
• M22: 4,928,203 km (0.106 R)
• M23: 5,043,842 km (0.069 R)
• M24: 5,143,624 km (0.083 R)
• M25: 5,244,153 km (0.074 R)
• M26: 5,328,527 km (0.104 R)
• M27: 5,896,101 km (0.031 R)
• M28: 6,285,504 km (0.073 R)
• M29: 6,483,273 km (0.1 R)
• M30: 6,592,030 km (0.079 R)
• M31: 7,051,894 km (0.042 R)
• M32: 7,257,591 km (0.069 R)
• M33: 7,541,229 km (0.091 R)
• M34: 7,983,440 km (0.07 R)
• M35: 8,197,814 km (0.075 R)
• M36: 8,315,697 km (0.025 R)
• M37: 8,453,776 km (0.102 R)
• M38: 9,258,014 km (0.112 R)
• M39: 9,897,994 km (0.079 R)
• M40: 10,170,710 km (0.038 R)
• M41: 10,531,092 km (0.074 R)
• M42: 10,616,512 km (0.05 R)
• M43: 11,090,438 km (0.069 R)
• M44: 11,220,887 km (0.101 R)
• M45: 12,014,355 km (0.074 R)
• M46: 12,148,394 km (0.063 R)
• M47: 12,327,912 km (0.092 R)
• M48: 12,576,095 km (0.035 R)
• M49: 12,712,229 km (0.111 R)
• M50: 13,123,473 km (0.101 R)
• M51: 13,284,590 km (0.101 R)
• M52: 13,701,968 km (0.039 R)
• M53: 14,525,953 km (0.06 R)
• M54: 14,644,884 km (0.04 R)
• M55: 15,172,515 km (0.093 R)
• M56: 15,730,814 km (0.069 R)
• M57: 15,901,954 km (0.079 R)
• M58: 16,098,526 km (0.082 R)
• M59: 16,196,961 km (0.054 R)
• M60: 16,419,413 km (0.064 R)
• M61: 16,543,430 km (0.087 R)
• M62: 16,667,746 km (0.046 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 10,571 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit