🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.97 AU - 1.01 AU

Year: 345 Days

Day: 45.7 Hours

Environment

Temp: 109 °C

Axial Tilt: 42 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.33 AU - 1.39 AU

Year: 555 Days

Day: 38.1 Hours

Environment

Temp: 8 °C

Axial Tilt: 4.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 105,027,153 km

• M1: 426,504 km (0.115 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.08 AU - 2.66 AU

Year: 1276 Days

Day: 24.6 Hours

Environment

Temp: -77 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 105,027,153 km

• M1: 530,923 km (0.082 R)
• M2: 786,885 km (0.101 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.33 AU - 3.35 AU

Year: 1674 Days

Day: 18.7 Hours

Environment

Temp: -77 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 105,027,153 km

• M1: 1,468,752 km (0.08 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.03 AU - 4.71 AU

Year: 3196 Days

Day: 18.2 Hours

Environment

Temp: -127 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 18.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.9

Radius: 3.5

Gravity: 76.16 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 14.49 AU - 22.47 AU

Year: 27793 Days

Day: 20.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 105,027,153 km

• M1: 588,967 km (0.098 R)
• M2: 1,548,039 km (0.086 R)
• M3: 1,586,485 km (0.114 R)
• M4: 1,864,139 km (0.083 R)
• M5: 1,905,129 km (0.092 R)
• M6: 2,029,594 km (0.075 R)
• M7: 2,418,998 km (0.111 R)
• M8: 4,137,728 km (0.109 R)
• M9: 4,683,161 km (0.075 R)
• M10: 5,250,885 km (0.072 R)
• M11: 5,484,108 km (0.045 R)
• M12: 5,542,900 km (0.049 R)
• M13: 5,601,991 km (0.103 R)
• M14: 7,729,124 km (0.079 R)
• M15: 9,433,492 km (0.059 R)
• M16: 9,645,622 km (0.113 R)
• M17: 10,002,562 km (0.101 R)
• M18: 10,074,519 km (0.085 R)
• M19: 10,218,731 km (0.098 R)
• M20: 11,024,765 km (0.095 R)
• M21: 11,248,114 km (0.094 R)
• M22: 12,156,323 km (0.107 R)
• M23: 12,464,195 km (0.046 R)
• M24: 13,881,486 km (0.063 R)
• M25: 14,122,637 km (0.091 R)
• M26: 16,523,683 km (0.081 R)
• M27: 19,047,549 km (0.06 R)
• M28: 19,494,697 km (0.12 R)
• M29: 19,674,514 km (0.097 R)
• M30: 20,217,404 km (0.082 R)
• M31: 20,765,082 km (0.116 R)
• M32: 21,132,794 km (0.06 R)
• M33: 21,317,547 km (0.077 R)
• M34: 22,625,631 km (0.119 R)
• M35: 25,612,801 km (0.06 R)
• M36: 26,602,541 km (0.089 R)
• M37: 28,009,060 km (0.094 R)
• M38: 28,415,218 km (0.082 R)
• M39: 29,130,894 km (0.116 R)
• M40: 30,788,887 km (0.113 R)
• M41: 33,010,865 km (0.062 R)
• M42: 33,440,061 km (0.112 R)
• M43: 34,738,271 km (0.093 R)
• M44: 35,393,510 km (0.08 R)
• M45: 35,503,165 km (0.086 R)
• M46: 35,612,820 km (0.092 R)
• M47: 35,832,729 km (0.082 R)
• M48: 37,049,558 km (0.113 R)
• M49: 37,830,908 km (0.102 R)
• M50: 38,279,851 km (0.076 R)
• M51: 38,504,996 km (0.094 R)
• M52: 39,751,146 km (0.048 R)
• M53: 40,665,788 km (0.1 R)
• M54: 40,780,529 km (0.12 R)
• M55: 40,895,420 km (0.095 R)
• M56: 42,399,029 km (0.032 R)
• M57: 43,685,570 km (0.066 R)
• M58: 45,103,459 km (0.031 R)
• M59: 47,620,742 km (0.093 R)
• M60: 47,984,115 km (0.079 R)
• M61: 50,060,384 km (0.052 R)
• M62: 51,171,448 km (0.116 R)
• M63: 54,552,808 km (0.077 R)
• M64: 56,206,463 km (0.049 R)
• M65: 58,005,677 km (0.076 R)
• M66: 58,523,136 km (0.101 R)
• M67: 61,528,407 km (0.032 R)
• M68: 63,382,224 km (0.084 R)
• M69: 67,144,312 km (0.101 R)
• M70: 68,232,337 km (0.057 R)
• M71: 69,326,346 km (0.107 R)
• M72: 69,463,527 km (0.082 R)
• M73: 69,875,520 km (0.079 R)
• M74: 70,563,969 km (0.077 R)
• M75: 76,718,426 km (0.069 R)
• M76: 79,141,762 km (0.085 R)
• M77: 79,859,383 km (0.085 R)
• M78: 80,434,886 km (0.045 R)
• M79: 81,590,230 km (0.06 R)
• M80: 83,625,210 km (0.073 R)
• M81: 83,917,374 km (0.061 R)
• M82: 84,649,058 km (0.104 R)
• M83: 85,823,999 km (0.091 R)
• M84: 87,300,530 km (0.107 R)
• M85: 87,448,632 km (0.078 R)
• M86: 87,893,387 km (0.117 R)
• M87: 89,232,288 km (0.025 R)
• M88: 89,530,735 km (0.115 R)
• M89: 93,895,552 km (0.048 R)
• M90: 94,350,928 km (0.089 R)
• M91: 95,264,074 km (0.101 R)
• M92: 97,713,440 km (0.106 R)
• M93: 100,648,849 km (0.084 R)
• M94: 101,426,160 km (0.12 R)
• M95: 101,581,891 km (0.051 R)
• M96: 102,986,615 km (0.111 R)
• M97: 103,926,688 km (0.066 R)

Kuiper Belt

Range: 31.4 - 54.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 15,960 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit