🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.51 AU - 0.55 AU

Year: 139 Days

Day: 34.2 Hours

Environment

Temp: 239 °C

Axial Tilt: 25.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.76 AU - 1 AU

Year: 297 Days

Day: 44.6 Hours

Environment

Temp: 155 °C

Axial Tilt: 21.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.29 AU - 1.41 AU

Year: 565 Days

Day: 32.5 Hours

Environment

Temp: -15 °C

Axial Tilt: 37.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.36 AU - 1.86 AU

Year: 735 Days

Day: 44.9 Hours

Environment

Temp: -45 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.77 AU - 2.05 AU

Year: 950 Days

Day: 34.9 Hours

Environment

Temp: -67 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,531,440 km

• M1: 489,335 km (0.076 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.72 AU - 4.46 AU

Year: 2448 Days

Day: 17.6 Hours

Environment

Temp: -111 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.57 AU - 5.59 AU

Year: 3528 Days

Day: 36.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 48 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 16.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.5

Radius: 6.9

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 12.95 AU - 20.91 AU

Year: 25070 Days

Day: 20.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 65,531,440 km

• M1: 218,263 km (0.112 R)
• M2: 270,922 km (0.11 R)
• M3: 425,905 km (0.12 R)
• M4: 532,868 km (0.093 R)
• M5: 609,312 km (0.086 R)
• M6: 710,590 km (0.08 R)
• M7: 907,012 km (0.113 R)
• M8: 999,912 km (0.068 R)
• M9: 1,323,941 km (0.1 R)
• M10: 1,376,600 km (0.104 R)
• M11: 1,539,063 km (0.112 R)
• M12: 1,594,564 km (0.104 R)
• M13: 2,280,769 km (0.116 R)
• M14: 2,376,512 km (0.114 R)
• M15: 2,638,158 km (0.038 R)
• M16: 3,188,828 km (0.101 R)
• M17: 3,296,090 km (0.115 R)
• M18: 3,587,806 km (0.115 R)
• M19: 3,662,006 km (0.059 R)
• M20: 3,812,053 km (0.038 R)
• M21: 3,964,194 km (0.114 R)
• M22: 4,713,679 km (0.113 R)
• M23: 4,835,901 km (0.116 R)
• M24: 5,721,371 km (0.106 R)
• M25: 7,493,806 km (0.109 R)
• M26: 7,636,822 km (0.064 R)
• M27: 8,119,724 km (0.086 R)
• M28: 8,963,156 km (0.118 R)
• M29: 9,523,849 km (0.114 R)
• M30: 10,200,929 km (0.079 R)
• M31: 10,359,353 km (0.117 R)
• M32: 10,625,338 km (0.066 R)
• M33: 10,947,273 km (0.104 R)
• M34: 11,491,211 km (0.067 R)
• M35: 12,155,575 km (0.035 R)
• M36: 12,323,573 km (0.062 R)
• M37: 12,379,822 km (0.077 R)
• M38: 12,718,661 km (0.079 R)
• M39: 13,060,493 km (0.035 R)
• M40: 13,405,465 km (0.059 R)
• M41: 15,295,485 km (0.086 R)
• M42: 15,476,797 km (0.092 R)
• M43: 16,891,395 km (0.071 R)
• M44: 16,953,777 km (0.054 R)
• M45: 17,016,309 km (0.086 R)
• M46: 17,835,956 km (0.112 R)
• M47: 18,603,842 km (0.066 R)
• M48: 18,991,898 km (0.101 R)
• M49: 20,105,804 km (0.091 R)
• M50: 20,570,605 km (0.084 R)
• M51: 20,770,916 km (0.109 R)
• M52: 22,327,781 km (0.075 R)
• M53: 23,224,321 km (0.087 R)
• M54: 24,273,302 km (0.072 R)
• M55: 24,981,199 km (0.115 R)
• M56: 26,635,003 km (0.071 R)
• M57: 27,879,957 km (0.04 R)
• M58: 28,695,564 km (0.101 R)
• M59: 29,519,101 km (0.117 R)
• M60: 31,572,930 km (0.099 R)
• M61: 31,881,101 km (0.096 R)
• M62: 32,035,636 km (0.11 R)
• M63: 32,500,586 km (0.05 R)
• M64: 33,751,224 km (0.115 R)
• M65: 34,778,812 km (0.058 R)
• M66: 34,858,398 km (0.03 R)
• M67: 35,097,156 km (0.091 R)
• M68: 36,138,208 km (0.077 R)
• M69: 39,487,555 km (0.032 R)
• M70: 40,402,795 km (0.096 R)
• M71: 41,493,513 km (0.072 R)
• M72: 42,254,367 km (0.1 R)
• M73: 42,679,076 km (0.083 R)
• M74: 43,105,130 km (0.082 R)
• M75: 43,446,962 km (0.077 R)
• M76: 44,477,990 km (0.094 R)
• M77: 46,039,642 km (0.091 R)
• M78: 46,827,125 km (0.111 R)
• M79: 48,238,133 km (0.083 R)
• M80: 49,037,883 km (0.101 R)
• M81: 50,560,640 km (0.095 R)
• M82: 52,189,760 km (0.094 R)
• M83: 53,285,415 km (0.066 R)
• M84: 53,652,229 km (0.12 R)
• M85: 53,927,938 km (0.092 R)
• M86: 55,035,561 km (0.108 R)
• M87: 55,685,115 km (0.079 R)
• M88: 56,710,907 km (0.053 R)
• M89: 56,804,555 km (0.085 R)
• M90: 57,554,938 km (0.11 R)
• M91: 58,497,555 km (0.104 R)
• M92: 59,160,423 km (0.031 R)
• M93: 60,016,422 km (0.078 R)
• M94: 60,780,568 km (0.111 R)
• M95: 62,222,242 km (0.079 R)
• M96: 62,318,733 km (0.05 R)
• M97: 63,675,137 km (0.074 R)

Kuiper Belt

Range: 30.5 - 57.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 18,017 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit