🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.42 AU - 0.68 AU

Year: 259 Days

Day: 17.3 Hours

Environment

Temp: -124 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.57 AU - 0.61 AU

Year: 288 Days

Day: 46.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 23,630,125 km

• M1: 82,728 km (0.09 R)
• M2: 536,757 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.4

Radius: 14.8

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.64 AU - 0.74 AU

Year: 364 Days

Day: 7.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 23,630,125 km

• M1: 185,501 km (0.115 R)
• M2: 366,066 km (0.045 R)
• M3: 471,682 km (0.113 R)
• M4: 581,637 km (0.067 R)
• M5: 702,811 km (0.079 R)
• M6: 821,891 km (0.089 R)
• M7: 949,049 km (0.103 R)
• M8: 1,065,286 km (0.12 R)
• M9: 1,191,547 km (0.114 R)
• M10: 1,414,298 km (0.1 R)
• M11: 1,528,441 km (0.082 R)
• M12: 1,822,551 km (0.117 R)
• M13: 2,011,493 km (0.11 R)
• M14: 2,105,590 km (0.101 R)
• M15: 2,261,920 km (0.089 R)
• M16: 2,360,056 km (0.114 R)
• M17: 2,472,254 km (0.097 R)
• M18: 2,586,398 km (0.042 R)
• M19: 2,682,888 km (0.079 R)
• M20: 2,839,816 km (0.096 R)
• M21: 2,946,180 km (0.052 R)
• M22: 3,218,149 km (0.115 R)
• M23: 3,322,419 km (0.084 R)
• M24: 3,463,041 km (0.107 R)
• M25: 3,562,823 km (0.077 R)
• M26: 3,663,502 km (0.109 R)
• M27: 3,979,004 km (0.092 R)
• M28: 4,257,555 km (0.116 R)
• M29: 4,426,302 km (0.065 R)
• M30: 4,613,000 km (0.052 R)
• M31: 4,754,819 km (0.11 R)
• M32: 4,866,120 km (0.111 R)
• M33: 5,034,716 km (0.11 R)
• M34: 5,262,554 km (0.086 R)
• M35: 5,452,244 km (0.116 R)
• M36: 5,652,705 km (0.091 R)
• M37: 5,745,456 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.8

Radius: 13.2

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.68 AU - 0.94 AU

Year: 464 Days

Day: 14.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 23,630,125 km

• M1: 165,156 km (0.09 R)
• M2: 266,434 km (0.113 R)
• M3: 353,500 km (0.086 R)
• M4: 437,424 km (0.118 R)
• M5: 633,397 km (0.074 R)
• M6: 731,683 km (0.118 R)
• M7: 835,953 km (0.085 R)
• M8: 919,129 km (0.105 R)
• M9: 1,014,573 km (0.098 R)
• M10: 1,123,480 km (0.099 R)
• M11: 1,231,639 km (0.111 R)
• M12: 1,328,130 km (0.081 R)
• M13: 1,411,606 km (0.095 R)
• M14: 1,507,647 km (0.029 R)
• M15: 1,672,953 km (0.114 R)
• M16: 1,815,520 km (0.068 R)
• M17: 2,022,114 km (0.065 R)
• M18: 2,230,504 km (0.061 R)
• M19: 2,452,507 km (0.056 R)
• M20: 2,648,780 km (0.04 R)
• M21: 2,762,474 km (0.027 R)
• M22: 2,877,665 km (0.11 R)
• M23: 3,029,357 km (0.087 R)
• M24: 3,183,592 km (0.055 R)
• M25: 3,297,586 km (0.046 R)
• M26: 3,398,415 km (0.104 R)
• M27: 3,500,291 km (0.056 R)
• M28: 3,625,504 km (0.078 R)
• M29: 3,729,625 km (0.106 R)
• M30: 3,812,203 km (0.111 R)
• M31: 4,110,201 km (0.111 R)
• M32: 4,313,056 km (0.114 R)
• M33: 4,431,538 km (0.084 R)
• M34: 4,519,202 km (0.107 R)
• M35: 4,704,404 km (0.098 R)
• M36: 4,842,932 km (0.058 R)
• M37: 4,933,289 km (0.053 R)
• M38: 5,191,046 km (0.094 R)
• M39: 5,478,872 km (0.104 R)
• M40: 5,564,592 km (0.034 R)
• M41: 5,720,024 km (0.097 R)
• M42: 5,824,294 km (0.051 R)
• M43: 5,929,312 km (0.117 R)
• M44: 6,026,251 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.3

Radius: 13.5

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.75 AU - 0.91 AU

Year: 481 Days

Day: 7.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 23,630,125 km

• M1: 179,218 km (0.097 R)
• M2: 307,424 km (0.081 R)
• M3: 394,639 km (0.09 R)
• M4: 486,492 km (0.092 R)
• M5: 623,973 km (0.063 R)
• M6: 711,487 km (0.094 R)
• M7: 809,324 km (0.119 R)
• M8: 935,435 km (0.051 R)
• M9: 1,069,026 km (0.102 R)
• M10: 1,177,634 km (0.074 R)
• M11: 1,286,990 km (0.075 R)
• M12: 1,379,891 km (0.112 R)
• M13: 1,492,388 km (0.119 R)
• M14: 1,611,767 km (0.032 R)
• M15: 1,716,336 km (0.059 R)
• M16: 1,815,819 km (0.057 R)
• M17: 1,947,764 km (0.12 R)
• M18: 2,051,884 km (0.087 R)
• M19: 2,177,846 km (0.043 R)
• M20: 2,294,233 km (0.063 R)
• M21: 2,537,778 km (0.107 R)
• M22: 2,622,451 km (0.097 R)
• M23: 2,763,970 km (0.089 R)
• M24: 2,873,027 km (0.094 R)
• M25: 2,965,778 km (0.089 R)
• M26: 3,082,015 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.2

Radius: 8.3

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.81 AU - 1.09 AU

Year: 589 Days

Day: 11.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 23,630,125 km

• M1: 109,206 km (0.116 R)
• M2: 167,101 km (0.063 R)
• M3: 242,648 km (0.114 R)
• M4: 328,816 km (0.102 R)
• M5: 462,108 km (0.067 R)
• M6: 538,253 km (0.105 R)
• M7: 760,256 km (0.074 R)
• M8: 832,512 km (0.116 R)
• M9: 902,225 km (0.036 R)
• M10: 989,740 km (0.116 R)
• M11: 1,156,990 km (0.097 R)
• M12: 1,351,018 km (0.072 R)
• M13: 1,404,275 km (0.078 R)
• M14: 1,518,867 km (0.079 R)
• M15: 1,586,785 km (0.12 R)
• M16: 1,687,314 km (0.101 R)
• M17: 1,802,954 km (0.075 R)
• M18: 1,908,121 km (0.071 R)
• M19: 2,090,181 km (0.063 R)
• M20: 2,235,890 km (0.111 R)
• M21: 2,406,431 km (0.119 R)
• M22: 2,566,501 km (0.116 R)
• M23: 2,618,262 km (0.038 R)
• M24: 2,677,802 km (0.115 R)
• M25: 2,737,791 km (0.094 R)
• M26: 2,928,229 km (0.112 R)
• M27: 3,091,440 km (0.116 R)
• M28: 3,178,207 km (0.054 R)
• M29: 3,346,205 km (0.094 R)
• M30: 3,451,672 km (0.104 R)
• M31: 3,541,730 km (0.082 R)
• M32: 3,624,308 km (0.045 R)
• M33: 3,690,879 km (0.111 R)
• M34: 3,961,052 km (0.063 R)
• M35: 4,098,682 km (0.08 R)
• M36: 4,150,743 km (0.107 R)
• M37: 4,220,306 km (0.065 R)
• M38: 4,307,970 km (0.116 R)
• M39: 4,360,928 km (0.063 R)
• M40: 4,422,861 km (0.05 R)
• M41: 4,503,046 km (0.12 R)
• M42: 4,610,606 km (0.099 R)
• M43: 4,691,838 km (0.036 R)
• M44: 4,929,399 km (0.11 R)
• M45: 5,133,451 km (0.086 R)
• M46: 5,321,346 km (0.097 R)
• M47: 5,482,912 km (0.081 R)
• M48: 5,597,803 km (0.087 R)
• M49: 5,762,211 km (0.057 R)
• M50: 5,888,920 km (0.12 R)
• M51: 5,967,309 km (0.1 R)
• M52: 6,036,274 km (0.103 R)
• M53: 6,095,515 km (0.076 R)
• M54: 6,244,664 km (0.068 R)
• M55: 6,405,033 km (0.069 R)
• M56: 6,475,643 km (0.077 R)
• M57: 6,536,380 km (0.102 R)
• M58: 6,945,979 km (0.078 R)
• M59: 7,029,006 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.1

Radius: 12.7

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.9 AU - 2.64 AU

Year: 2175 Days

Day: 12.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 23,630,125 km

• M1: 160,519 km (0.06 R)
• M2: 365,767 km (0.087 R)
• M3: 469,139 km (0.069 R)
• M4: 659,727 km (0.067 R)
• M5: 753,674 km (0.1 R)
• M6: 844,330 km (0.12 R)
• M7: 1,218,026 km (0.101 R)
• M8: 1,377,796 km (0.056 R)
• M9: 1,460,524 km (0.081 R)
• M10: 1,609,523 km (0.083 R)
• M11: 1,708,108 km (0.058 R)
• M12: 1,808,788 km (0.09 R)
• M13: 2,171,413 km (0.083 R)
• M14: 2,367,835 km (0.101 R)
• M15: 2,871,232 km (0.117 R)
• M16: 2,951,716 km (0.11 R)
• M17: 3,073,787 km (0.119 R)
• M18: 3,156,216 km (0.099 R)
• M19: 3,323,317 km (0.119 R)
• M20: 3,739,199 km (0.118 R)
• M21: 3,871,742 km (0.046 R)
• M22: 3,990,972 km (0.034 R)
• M23: 4,156,876 km (0.094 R)
• M24: 4,448,741 km (0.087 R)
• M25: 4,605,221 km (0.041 R)
• M26: 4,747,488 km (0.103 R)
• M27: 4,827,224 km (0.099 R)
• M28: 5,699,978 km (0.1 R)
• M29: 6,024,755 km (0.082 R)
• M30: 6,250,498 km (0.097 R)
• M31: 6,461,282 km (0.086 R)
• M32: 6,746,266 km (0.076 R)
• M33: 6,890,179 km (0.11 R)
• M34: 7,089,892 km (0.114 R)
• M35: 7,273,149 km (0.118 R)
• M36: 7,402,402 km (0.11 R)
• M37: 7,495,153 km (0.083 R)
• M38: 7,756,949 km (0.092 R)
• M39: 7,870,045 km (0.073 R)
• M40: 8,021,737 km (0.104 R)
• M41: 8,270,369 km (0.117 R)
• M42: 8,366,710 km (0.118 R)
• M43: 8,579,887 km (0.081 R)
• M44: 9,210,442 km (0.115 R)
• M45: 9,470,892 km (0.078 R)
• M46: 9,855,807 km (0.087 R)
• M47: 11,254,397 km (0.113 R)
• M48: 11,425,537 km (0.076 R)
• M49: 12,206,588 km (0.117 R)
• M50: 12,448,637 km (0.051 R)
• M51: 12,625,611 km (0.061 R)
• M52: 12,759,053 km (0.085 R)
• M53: 13,614,453 km (0.102 R)
• M54: 14,256,527 km (0.058 R)
• M55: 14,721,328 km (0.094 R)
• M56: 14,979,085 km (0.089 R)
• M57: 15,238,338 km (0.067 R)
• M58: 15,499,087 km (0.063 R)
• M59: 15,665,739 km (0.086 R)
• M60: 16,169,435 km (0.084 R)

Asteroid Belt

Center: 2.72 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.3

Radius: 15

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.61 AU - 3.73 AU

Year: 3589 Days

Day: 8.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 23,630,125 km

• M1: 197,469 km (0.079 R)
• M2: 333,454 km (0.05 R)
• M3: 514,018 km (0.041 R)
• M4: 894,745 km (0.111 R)
• M5: 1,100,741 km (0.102 R)
• M6: 1,222,663 km (0.107 R)
• M7: 1,375,403 km (0.054 R)
• M8: 1,548,488 km (0.049 R)
• M9: 1,644,978 km (0.046 R)
• M10: 1,772,136 km (0.084 R)
• M11: 1,902,735 km (0.091 R)
• M12: 2,158,847 km (0.069 R)
• M13: 2,267,754 km (0.105 R)
• M14: 2,378,457 km (0.119 R)
• M15: 2,491,104 km (0.117 R)
• M16: 2,688,573 km (0.052 R)
• M17: 3,847,657 km (0.079 R)
• M18: 4,057,992 km (0.086 R)
• M19: 4,154,931 km (0.095 R)
• M20: 4,390,548 km (0.085 R)
• M21: 4,490,030 km (0.075 R)
• M22: 5,441,473 km (0.099 R)
• M23: 5,548,585 km (0.079 R)
• M24: 5,765,053 km (0.086 R)
• M25: 5,940,382 km (0.057 R)
• M26: 6,095,066 km (0.076 R)
• M27: 6,499,429 km (0.114 R)
• M28: 6,659,050 km (0.116 R)
• M29: 7,028,856 km (0.04 R)
• M30: 7,310,698 km (0.095 R)
• M31: 7,596,281 km (0.086 R)
• M32: 7,692,323 km (0.083 R)
• M33: 7,909,838 km (0.102 R)
• M34: 8,055,995 km (0.106 R)
• M35: 8,775,261 km (0.092 R)
• M36: 9,309,027 km (0.051 R)
• M37: 9,905,922 km (0.088 R)
• M38: 10,946,226 km (0.094 R)
• M39: 11,082,061 km (0.118 R)
• M40: 11,548,507 km (0.034 R)
• M41: 11,714,560 km (0.072 R)
• M42: 12,302,330 km (0.039 R)
• M43: 12,614,092 km (0.1 R)
• M44: 12,813,806 km (0.114 R)
• M45: 13,014,716 km (0.073 R)
• M46: 14,093,466 km (0.065 R)
• M47: 14,330,578 km (0.09 R)
• M48: 14,658,647 km (0.104 R)
• M49: 14,959,039 km (0.08 R)
• M50: 15,231,307 km (0.103 R)
• M51: 15,719,146 km (0.088 R)
• M52: 16,088,503 km (0.112 R)
• M53: 16,647,849 km (0.064 R)
• M54: 17,435,333 km (0.051 R)
• M55: 17,594,355 km (0.11 R)
• M56: 17,689,948 km (0.119 R)
• M57: 18,009,938 km (0.117 R)
• M58: 18,364,186 km (0.114 R)
• M59: 18,850,977 km (0.049 R)
• M60: 19,177,849 km (0.11 R)
• M61: 20,003,180 km (0.099 R)
• M62: 21,110,504 km (0.045 R)
• M63: 22,031,278 km (0.118 R)
• M64: 22,134,351 km (0.071 R)
• M65: 22,687,115 km (0.113 R)
• M66: 23,069,787 km (0.114 R)
• M67: 23,314,379 km (0.103 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 17,857 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit