🌌 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: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.52 AU - 0.62 AU

Year: 278 Days

Day: 24.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462

Radius: 11

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.59 AU - 0.91 AU

Year: 419 Days

Day: 7.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 23,881,356 km

• M1: 147,803 km (0.063 R)
• M2: 218,562 km (0.052 R)
• M3: 295,306 km (0.065 R)
• M4: 378,931 km (0.119 R)
• M5: 458,667 km (0.1 R)
• M6: 542,442 km (0.114 R)
• M7: 649,704 km (0.089 R)
• M8: 746,493 km (0.114 R)
• M9: 907,909 km (0.092 R)
• M10: 1,047,335 km (0.084 R)
• M11: 1,159,084 km (0.094 R)
• M12: 1,243,458 km (0.095 R)
• M13: 1,362,537 km (0.037 R)
• M14: 1,519,316 km (0.076 R)
• M15: 1,607,429 km (0.109 R)
• M16: 1,687,165 km (0.099 R)
• M17: 1,768,396 km (0.044 R)
• M18: 2,025,705 km (0.107 R)
• M19: 2,117,857 km (0.099 R)
• M20: 2,289,446 km (0.086 R)
• M21: 2,362,898 km (0.11 R)
• M22: 2,471,656 km (0.111 R)
• M23: 2,558,722 km (0.059 R)
• M24: 2,748,113 km (0.05 R)
• M25: 2,887,089 km (0.095 R)
• M26: 3,228,920 km (0.088 R)
• M27: 3,330,797 km (0.068 R)
• M28: 3,401,556 km (0.08 R)
• M29: 3,762,686 km (0.107 R)
• M30: 3,944,597 km (0.096 R)
• M31: 4,074,448 km (0.081 R)
• M32: 4,191,732 km (0.117 R)
• M33: 4,493,621 km (0.085 R)
• M34: 4,802,540 km (0.077 R)
• M35: 4,890,055 km (0.049 R)
• M36: 4,963,358 km (0.107 R)
• M37: 5,051,920 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.6

Radius: 11

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.06 AU - 1.14 AU

Year: 745 Days

Day: 15 Hours

Environment

Temp: -155 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 23,881,356 km

• M1: 137,630 km (0.117 R)
• M2: 214,972 km (0.118 R)
• M3: 307,424 km (0.057 R)
• M4: 395,088 km (0.12 R)
• M5: 475,422 km (0.11 R)
• M6: 562,787 km (0.039 R)
• M7: 640,428 km (0.12 R)
• M8: 716,723 km (0.085 R)
• M9: 837,598 km (0.058 R)
• M10: 972,237 km (0.102 R)
• M11: 1,094,757 km (0.119 R)
• M12: 1,174,792 km (0.091 R)
• M13: 1,523,654 km (0.074 R)
• M14: 1,660,088 km (0.06 R)
• M15: 1,753,287 km (0.049 R)
• M16: 1,848,282 km (0.099 R)
• M17: 2,043,806 km (0.11 R)
• M18: 2,186,522 km (0.059 R)
• M19: 2,332,530 km (0.099 R)
• M20: 2,402,392 km (0.103 R)
• M21: 2,490,805 km (0.114 R)
• M22: 2,589,390 km (0.073 R)
• M23: 2,670,920 km (0.084 R)
• M24: 2,892,774 km (0.1 R)
• M25: 3,053,741 km (0.064 R)
• M26: 3,130,485 km (0.118 R)
• M27: 3,544,273 km (0.061 R)
• M28: 3,809,061 km (0.12 R)
• M29: 4,197,267 km (0.118 R)
• M30: 4,304,529 km (0.069 R)
• M31: 4,380,076 km (0.098 R)
• M32: 4,477,763 km (0.115 R)
• M33: 4,565,428 km (0.061 R)
• M34: 4,753,323 km (0.111 R)
• M35: 5,274,821 km (0.083 R)
• M36: 5,601,243 km (0.053 R)
• M37: 5,707,608 km (0.11 R)
• M38: 5,886,227 km (0.069 R)
• M39: 6,188,266 km (0.025 R)
• M40: 6,261,568 km (0.086 R)
• M41: 6,396,655 km (0.116 R)
• M42: 6,569,890 km (0.108 R)
• M43: 6,682,088 km (0.065 R)
• M44: 7,022,722 km (0.066 R)
• M45: 7,485,728 km (0.06 R)
• M46: 7,642,207 km (0.038 R)
• M47: 7,760,390 km (0.117 R)
• M48: 8,185,397 km (0.079 R)
• M49: 8,306,272 km (0.082 R)
• M50: 8,387,205 km (0.116 R)
• M51: 8,508,977 km (0.108 R)
• M52: 8,631,498 km (0.114 R)
• M53: 8,988,738 km (0.107 R)
• M54: 9,099,590 km (0.097 R)
• M55: 9,280,753 km (0.11 R)
• M56: 9,420,926 km (0.115 R)
• M57: 9,491,237 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.2

Radius: 12.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.91 AU - 5.45 AU

Year: 7612 Days

Day: 12.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 23,881,356 km

• M1: 276,307 km (0.112 R)
• M2: 543,339 km (0.055 R)
• M3: 646,412 km (0.097 R)
• M4: 909,405 km (0.085 R)
• M5: 1,108,520 km (0.094 R)
• M6: 1,232,836 km (0.049 R)
• M7: 1,415,196 km (0.096 R)
• M8: 1,606,831 km (0.065 R)
• M9: 1,821,952 km (0.072 R)
• M10: 2,265,061 km (0.111 R)
• M11: 2,344,947 km (0.09 R)
• M12: 2,491,104 km (0.094 R)
• M13: 2,623,797 km (0.048 R)
• M14: 2,965,778 km (0.11 R)
• M15: 3,267,965 km (0.099 R)
• M16: 3,450,475 km (0.119 R)
• M17: 3,863,814 km (0.054 R)
• M18: 4,018,199 km (0.112 R)
• M19: 4,135,334 km (0.12 R)
• M20: 4,333,102 km (0.12 R)
• M21: 4,924,612 km (0.094 R)
• M22: 5,092,162 km (0.114 R)
• M23: 5,219,320 km (0.086 R)
• M24: 5,433,395 km (0.068 R)
• M25: 5,848,230 km (0.111 R)
• M26: 6,048,242 km (0.118 R)
• M27: 6,501,224 km (0.111 R)
• M28: 6,778,280 km (0.077 R)
• M29: 7,177,407 km (0.052 R)
• M30: 7,754,106 km (0.059 R)
• M31: 7,998,849 km (0.107 R)
• M32: 8,171,634 km (0.075 R)
• M33: 8,395,732 km (0.101 R)
• M34: 8,546,227 km (0.084 R)
• M35: 8,875,492 km (0.117 R)
• M36: 8,977,667 km (0.077 R)
• M37: 9,442,169 km (0.078 R)
• M38: 9,572,618 km (0.105 R)
• M39: 11,019,230 km (0.114 R)
• M40: 11,405,491 km (0.094 R)
• M41: 11,516,642 km (0.047 R)
• M42: 11,628,242 km (0.057 R)
• M43: 11,908,589 km (0.053 R)
• M44: 12,162,905 km (0.103 R)
• M45: 12,361,870 km (0.057 R)
• M46: 12,533,310 km (0.091 R)
• M47: 13,197,973 km (0.084 R)
• M48: 14,321,154 km (0.116 R)
• M49: 14,652,064 km (0.043 R)
• M50: 15,352,033 km (0.1 R)
• M51: 15,536,337 km (0.032 R)
• M52: 16,000,689 km (0.048 R)
• M53: 16,438,113 km (0.116 R)
• M54: 16,974,571 km (0.119 R)
• M55: 17,101,580 km (0.107 R)
• M56: 17,902,976 km (0.083 R)
• M57: 18,161,929 km (0.116 R)
• M58: 18,357,005 km (0.084 R)
• M59: 18,487,454 km (0.106 R)
• M60: 18,683,727 km (0.11 R)
• M61: 19,309,794 km (0.042 R)
• M62: 19,508,909 km (0.115 R)
• M63: 19,942,743 km (0.109 R)
• M64: 20,346,058 km (0.099 R)
• M65: 20,853,943 km (0.062 R)
• M66: 20,955,969 km (0.065 R)
• M67: 21,263,243 km (0.038 R)
• M68: 21,709,793 km (0.028 R)
• M69: 22,020,657 km (0.094 R)
• M70: 22,751,891 km (0.075 R)
• M71: 22,962,226 km (0.113 R)
• M72: 23,561,814 km (0.038 R)
• M73: 23,774,692 km (0.087 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 19,160 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit