🌌 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: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.52 AU - 0.6 AU

Year: 155 Days

Day: 16.6 Hours

Environment

Temp: 215 °C

Axial Tilt: 35.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 21,851,137 km

• M1: 228,286 km (0.111 R)
• M2: 316,250 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.38 AU - 1.64 AU

Year: 685 Days

Day: 32.9 Hours

Environment

Temp: -48 °C

Axial Tilt: 19.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.69 AU - 2.37 AU

Year: 1067 Days

Day: 32 Hours

Environment

Temp: -72 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 21,851,137 km

• M1: 61,335 km (0.095 R)
• M2: 1,684,622 km (0.069 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.76 AU - 2.38 AU

Year: 1099 Days

Day: 45 Hours

Environment

Temp: -66 °C

Axial Tilt: 14.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.32 AU - 3.7 AU

Year: 2426 Days

Day: 21.7 Hours

Environment

Temp: -112 °C

Axial Tilt: 96.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.74 AU - 4.86 AU

Year: 3290 Days

Day: 28.5 Hours

Environment

Temp: -128 °C

Axial Tilt: 14.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551

Radius: 11.4

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.99 AU - 5.13 AU

Year: 4200 Days

Day: 10 Hours

Environment

Temp: -145 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 21,851,137 km

• M1: 174,431 km (0.055 R)
• M2: 371,152 km (0.079 R)
• M3: 498,011 km (0.076 R)
• M4: 683,213 km (0.11 R)
• M5: 999,613 km (0.111 R)
• M6: 1,213,987 km (0.087 R)
• M7: 1,374,804 km (0.063 R)
• M8: 1,457,831 km (0.087 R)
• M9: 1,600,248 km (0.103 R)
• M10: 1,777,522 km (0.102 R)
• M11: 1,930,411 km (0.106 R)
• M12: 2,024,209 km (0.025 R)
• M13: 2,550,943 km (0.104 R)
• M14: 2,654,465 km (0.079 R)
• M15: 2,794,638 km (0.049 R)
• M16: 2,955,456 km (0.062 R)
• M17: 3,082,614 km (0.08 R)
• M18: 3,380,313 km (0.086 R)
• M19: 3,551,902 km (0.118 R)
• M20: 4,124,563 km (0.047 R)
• M21: 4,267,130 km (0.114 R)
• M22: 4,432,136 km (0.078 R)
• M23: 4,726,096 km (0.036 R)
• M24: 4,811,217 km (0.034 R)
• M25: 5,156,938 km (0.088 R)
• M26: 5,333,014 km (0.094 R)
• M27: 5,713,591 km (0.045 R)
• M28: 5,895,652 km (0.106 R)
• M29: 6,149,370 km (0.061 R)
• M30: 6,242,570 km (0.097 R)
• M31: 6,572,283 km (0.071 R)
• M32: 6,715,299 km (0.114 R)
• M33: 7,495,901 km (0.092 R)
• M34: 7,570,550 km (0.084 R)
• M35: 7,645,349 km (0.056 R)
• M36: 7,871,690 km (0.074 R)
• M37: 8,176,720 km (0.039 R)
• M38: 8,982,903 km (0.074 R)
• M39: 9,115,297 km (0.117 R)
• M40: 9,301,846 km (0.07 R)
• M41: 9,382,180 km (0.112 R)
• M42: 9,462,664 km (0.052 R)
• M43: 10,810,690 km (0.045 R)
• M44: 11,206,825 km (0.116 R)
• M45: 11,435,411 km (0.1 R)
• M46: 11,781,132 km (0.116 R)
• M47: 12,276,749 km (0.057 R)
• M48: 12,512,366 km (0.095 R)
• M49: 12,779,249 km (0.081 R)
• M50: 13,288,480 km (0.058 R)
• M51: 13,743,407 km (0.029 R)
• M52: 14,450,855 km (0.082 R)
• M53: 14,575,171 km (0.083 R)
• M54: 14,762,168 km (0.097 R)
• M55: 16,093,589 km (0.102 R)
• M56: 16,937,172 km (0.07 R)
• M57: 17,068,219 km (0.061 R)
• M58: 17,496,369 km (0.089 R)
• M59: 18,802,208 km (0.108 R)
• M60: 19,690,221 km (0.1 R)
• M61: 19,793,593 km (0.096 R)
• M62: 20,208,728 km (0.073 R)
• M63: 21,118,133 km (0.087 R)
• M64: 21,259,204 km (0.119 R)
• M65: 21,542,393 km (0.117 R)
• M66: 22,184,018 km (0.11 R)
• M67: 22,471,246 km (0.101 R)
• M68: 22,579,255 km (0.096 R)
• M69: 22,687,415 km (0.117 R)
• M70: 23,049,292 km (0.069 R)
• M71: 23,194,551 km (0.106 R)
• M72: 23,376,612 km (0.1 R)
• M73: 23,522,620 km (0.116 R)
• M74: 23,742,080 km (0.106 R)
• M75: 24,515,800 km (0.09 R)
• M76: 24,738,401 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.9

Radius: 13.2

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.59 AU - 7.13 AU

Year: 5234 Days

Day: 11.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 21,851,137 km

• M1: 164,857 km (0.109 R)
• M2: 306,227 km (0.097 R)
• M3: 443,857 km (0.11 R)
• M4: 574,456 km (0.113 R)
• M5: 682,765 km (0.065 R)
• M6: 789,129 km (0.1 R)
• M7: 1,043,296 km (0.075 R)
• M8: 1,168,958 km (0.088 R)
• M9: 1,324,689 km (0.04 R)
• M10: 1,552,078 km (0.092 R)
• M11: 1,657,544 km (0.111 R)
• M12: 1,861,895 km (0.113 R)
• M13: 2,017,327 km (0.084 R)
• M14: 2,177,098 km (0.094 R)
• M15: 2,296,028 km (0.101 R)
• M16: 2,650,575 km (0.058 R)
• M17: 2,973,258 km (0.098 R)
• M18: 3,139,461 km (0.072 R)
• M19: 3,308,806 km (0.092 R)
• M20: 3,515,999 km (0.03 R)
• M21: 3,621,316 km (0.099 R)
• M22: 3,763,434 km (0.098 R)
• M23: 4,312,757 km (0.069 R)
• M24: 4,731,930 km (0.106 R)
• M25: 4,985,798 km (0.101 R)
• M26: 5,264,349 km (0.057 R)
• M27: 5,466,456 km (0.089 R)
• M28: 6,493,744 km (0.086 R)
• M29: 7,489,169 km (0.077 R)
• M30: 7,694,118 km (0.108 R)
• M31: 8,086,064 km (0.09 R)
• M32: 8,603,074 km (0.077 R)
• M33: 8,722,154 km (0.038 R)
• M34: 8,841,683 km (0.092 R)
• M35: 8,961,810 km (0.056 R)
• M36: 9,423,319 km (0.097 R)
• M37: 9,595,357 km (0.112 R)
• M38: 9,793,275 km (0.059 R)
• M39: 10,167,868 km (0.105 R)
• M40: 10,268,547 km (0.1 R)
• M41: 10,598,112 km (0.075 R)
• M42: 11,060,369 km (0.114 R)
• M43: 11,267,861 km (0.09 R)
• M44: 11,898,267 km (0.075 R)
• M45: 12,567,119 km (0.083 R)
• M46: 12,974,474 km (0.087 R)
• M47: 13,111,206 km (0.06 R)
• M48: 13,193,335 km (0.097 R)
• M49: 13,275,764 km (0.105 R)
• M50: 13,551,922 km (0.101 R)
• M51: 13,635,098 km (0.042 R)
• M52: 13,718,424 km (0.112 R)
• M53: 14,025,548 km (0.088 R)
• M54: 14,960,385 km (0.066 R)
• M55: 15,161,295 km (0.064 R)
• M56: 15,247,763 km (0.09 R)
• M57: 15,536,786 km (0.041 R)
• M58: 16,238,250 km (0.084 R)
• M59: 16,711,578 km (0.056 R)
• M60: 16,949,888 km (0.082 R)
• M61: 18,495,982 km (0.084 R)
• M62: 18,742,519 km (0.088 R)
• M63: 19,145,685 km (0.109 R)
• M64: 19,363,948 km (0.115 R)
• M65: 19,960,395 km (0.092 R)
• M66: 20,499,247 km (0.105 R)
• M67: 20,690,582 km (0.088 R)
• M68: 21,139,376 km (0.102 R)
• M69: 21,526,685 km (0.063 R)
• M70: 21,656,237 km (0.11 R)
• M71: 21,818,550 km (0.109 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 11,223 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit