🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.5 AU - 0.6 AU

Year: 176 Days

Day: 22.1 Hours

Environment

Temp: 23 °C

Axial Tilt: 3.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 18,991,837 km

• M1: 58,194 km (0.102 R)
• M2: 186,549 km (0.05 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.43 AU - 1.43 AU

Year: 736 Days

Day: 36.6 Hours

Environment

Temp: -91 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.4

Radius: 8.1

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.86 AU - 5.26 AU

Year: 4192 Days

Day: 7.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 18,991,837 km

• M1: 101,577 km (0.067 R)
• M2: 214,374 km (0.102 R)
• M3: 329,115 km (0.117 R)
• M4: 467,942 km (0.046 R)
• M5: 575,204 km (0.107 R)
• M6: 724,502 km (0.101 R)
• M7: 815,608 km (0.101 R)
• M8: 910,901 km (0.064 R)
• M9: 984,952 km (0.117 R)
• M10: 1,399,937 km (0.104 R)
• M11: 1,603,988 km (0.071 R)
• M12: 2,690,518 km (0.057 R)
• M13: 2,835,029 km (0.103 R)
• M14: 3,207,678 km (0.108 R)
• M15: 3,380,313 km (0.057 R)
• M16: 3,675,171 km (0.048 R)
• M17: 3,856,035 km (0.088 R)
• M18: 3,957,761 km (0.118 R)
• M19: 4,184,851 km (0.09 R)
• M20: 4,331,606 km (0.108 R)
• M21: 4,544,185 km (0.1 R)
• M22: 4,760,204 km (0.04 R)
• M23: 5,046,086 km (0.104 R)
• M24: 5,112,806 km (0.066 R)
• M25: 5,224,855 km (0.076 R)
• M26: 5,657,642 km (0.097 R)
• M27: 6,031,188 km (0.081 R)
• M28: 6,925,334 km (0.077 R)
• M29: 7,501,884 km (0.056 R)
• M30: 7,937,962 km (0.1 R)
• M31: 8,041,634 km (0.106 R)
• M32: 8,119,873 km (0.115 R)
• M33: 8,355,789 km (0.067 R)
• M34: 8,700,612 km (0.066 R)
• M35: 9,294,965 km (0.04 R)
• M36: 9,763,056 km (0.117 R)
• M37: 9,846,382 km (0.117 R)
• M38: 9,957,982 km (0.112 R)
• M39: 10,323,599 km (0.092 R)
• M40: 10,923,487 km (0.119 R)
• M41: 11,417,309 km (0.092 R)
• M42: 11,681,799 km (0.051 R)
• M43: 11,799,981 km (0.082 R)
• M44: 11,978,002 km (0.103 R)
• M45: 12,127,002 km (0.061 R)
• M46: 12,426,946 km (0.059 R)
• M47: 13,156,534 km (0.103 R)
• M48: 13,464,706 km (0.114 R)
• M49: 13,588,723 km (0.082 R)
• M50: 13,744,155 km (0.1 R)
• M51: 14,182,477 km (0.081 R)
• M52: 14,277,022 km (0.066 R)
• M53: 14,466,862 km (0.085 R)
• M54: 14,880,799 km (0.116 R)
• M55: 15,008,855 km (0.114 R)
• M56: 16,409,540 km (0.115 R)
• M57: 17,041,741 km (0.117 R)
• M58: 17,276,609 km (0.044 R)
• M59: 17,411,247 km (0.116 R)
• M60: 17,681,720 km (0.061 R)
• M61: 18,021,756 km (0.073 R)
• M62: 18,226,855 km (0.04 R)
• M63: 18,708,411 km (0.104 R)
• M64: 18,812,082 km (0.073 R)
• M65: 18,916,052 km (0.101 R)
• M66: 19,543,615 km (0.085 R)
• M67: 20,001,086 km (0.026 R)
• M68: 21,358,387 km (0.037 R)
• M69: 21,793,268 km (0.113 R)
• M70: 22,084,685 km (0.109 R)
• M71: 23,300,766 km (0.054 R)
• M72: 23,449,616 km (0.054 R)
• M73: 23,898,110 km (0.102 R)
• M74: 24,424,994 km (0.116 R)
• M75: 24,652,084 km (0.06 R)
• M76: 24,993,765 km (0.116 R)
• M77: 25,146,205 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.3

Radius: 9.3

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.84 AU - 5.62 AU

Year: 4428 Days

Day: 9.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 18,991,837 km

• M1: 199,414 km (0.059 R)
• M2: 283,937 km (0.108 R)
• M3: 414,087 km (0.115 R)
• M4: 583,432 km (0.069 R)
• M5: 659,727 km (0.115 R)
• M6: 785,688 km (0.074 R)
• M7: 1,072,766 km (0.08 R)
• M8: 1,223,262 km (0.091 R)
• M9: 1,357,900 km (0.093 R)
• M10: 2,390,724 km (0.116 R)
• M11: 2,461,035 km (0.105 R)
• M12: 2,575,028 km (0.058 R)
• M13: 2,822,912 km (0.094 R)
• M14: 3,094,133 km (0.111 R)
• M15: 3,155,468 km (0.081 R)
• M16: 3,857,830 km (0.074 R)
• M17: 4,346,716 km (0.114 R)
• M18: 4,519,950 km (0.052 R)
• M19: 4,677,776 km (0.078 R)
• M20: 4,801,792 km (0.081 R)
• M21: 5,947,263 km (0.087 R)
• M22: 6,024,007 km (0.057 R)
• M23: 6,373,468 km (0.092 R)
• M24: 6,452,007 km (0.087 R)
• M25: 6,550,592 km (0.038 R)
• M26: 6,809,396 km (0.057 R)
• M27: 7,419,606 km (0.111 R)
• M28: 7,522,978 km (0.087 R)
• M29: 7,731,218 km (0.05 R)
• M30: 7,878,123 km (0.108 R)
• M31: 8,626,711 km (0.103 R)
• M32: 8,779,151 km (0.095 R)
• M33: 8,888,507 km (0.027 R)
• M34: 9,086,575 km (0.107 R)
• M35: 10,793,935 km (0.107 R)
• M36: 11,170,772 km (0.077 R)
• M37: 11,241,831 km (0.063 R)
• M38: 13,597,100 km (0.115 R)
• M39: 14,029,588 km (0.117 R)
• M40: 14,803,906 km (0.069 R)
• M41: 15,459,743 km (0.06 R)
• M42: 15,645,095 km (0.101 R)
• M43: 16,339,977 km (0.087 R)
• M44: 16,610,001 km (0.108 R)
• M45: 16,691,233 km (0.107 R)
• M46: 17,126,862 km (0.067 R)
• M47: 17,373,698 km (0.087 R)
• M48: 17,511,179 km (0.083 R)
• M49: 18,935,201 km (0.073 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 13,988 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit