🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.6 AU - 0.72 AU

Year: 196 Days

Day: 27.3 Hours

Environment

Temp: 201 °C

Axial Tilt: 31.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.57 AU - 0.81 AU

Year: 209 Days

Day: 37.7 Hours

Environment

Temp: 207 °C

Axial Tilt: 41.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.04 AU - 1.06 AU

Year: 393 Days

Day: 21.6 Hours

Environment

Temp: 33 °C

Axial Tilt: 35.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.84 AU - 1.34 AU

Year: 416 Days

Day: 35.9 Hours

Environment

Temp: 7 °C

Axial Tilt: 14.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.21 AU - 1.37 AU

Year: 535 Days

Day: 19.6 Hours

Environment

Temp: 1 °C

Axial Tilt: 25.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 73,685,767 km

• M1: 1,180,028 km (0.069 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.75 AU - 3.03 AU

Year: 1794 Days

Day: 40.1 Hours

Environment

Temp: -94 °C

Axial Tilt: 41.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.52 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 14.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 659.8

Radius: 6.6

Gravity: 15.15 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 13.91 AU - 14.37 AU

Year: 19421 Days

Day: 19.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 73,685,767 km

• M1: 338,839 km (0.094 R)
• M2: 408,552 km (0.094 R)
• M3: 584,778 km (0.084 R)
• M4: 761,453 km (0.102 R)
• M5: 1,057,507 km (0.102 R)
• M6: 1,533,827 km (0.068 R)
• M7: 1,593,816 km (0.107 R)
• M8: 2,203,277 km (0.111 R)
• M9: 2,271,344 km (0.047 R)
• M10: 2,730,760 km (0.097 R)
• M11: 3,295,940 km (0.048 R)
• M12: 3,374,030 km (0.119 R)
• M13: 4,660,871 km (0.063 R)
• M14: 5,150,355 km (0.054 R)
• M15: 5,516,721 km (0.065 R)
• M16: 5,844,190 km (0.074 R)
• M17: 6,371,373 km (0.116 R)
• M18: 6,468,911 km (0.036 R)
• M19: 8,467,090 km (0.095 R)
• M20: 8,520,646 km (0.093 R)
• M21: 8,790,221 km (0.043 R)
• M22: 9,227,346 km (0.053 R)
• M23: 9,952,896 km (0.11 R)
• M24: 11,339,818 km (0.119 R)
• M25: 11,517,390 km (0.037 R)
• M26: 11,576,781 km (0.079 R)
• M27: 11,815,389 km (0.108 R)
• M28: 13,782,302 km (0.079 R)
• M29: 13,971,843 km (0.082 R)
• M30: 14,098,702 km (0.093 R)
• M31: 14,225,860 km (0.107 R)
• M32: 14,674,205 km (0.107 R)
• M33: 16,984,445 km (0.111 R)
• M34: 18,493,438 km (0.115 R)
• M35: 20,908,546 km (0.111 R)
• M36: 21,053,656 km (0.112 R)
• M37: 21,564,234 km (0.088 R)
• M38: 21,637,537 km (0.105 R)
• M39: 21,710,840 km (0.055 R)
• M40: 21,857,894 km (0.104 R)
• M41: 22,152,752 km (0.072 R)
• M42: 22,300,704 km (0.093 R)
• M43: 22,895,954 km (0.065 R)
• M44: 23,496,290 km (0.119 R)
• M45: 23,647,085 km (0.091 R)
• M46: 24,254,004 km (0.068 R)
• M47: 24,482,739 km (0.072 R)
• M48: 26,261,158 km (0.098 R)
• M49: 27,443,281 km (0.105 R)
• M50: 31,423,930 km (0.057 R)
• M51: 31,506,957 km (0.034 R)
• M52: 32,174,463 km (0.119 R)
• M53: 33,184,248 km (0.072 R)
• M54: 34,204,506 km (0.094 R)
• M55: 35,234,936 km (0.079 R)
• M56: 35,580,806 km (0.092 R)
• M57: 36,101,557 km (0.117 R)
• M58: 36,450,120 km (0.114 R)
• M59: 37,150,537 km (0.112 R)
• M60: 38,387,113 km (0.117 R)
• M61: 38,921,177 km (0.109 R)
• M62: 39,906,728 km (0.12 R)
• M63: 40,719,194 km (0.106 R)
• M64: 41,628,151 km (0.065 R)
• M65: 42,176,876 km (0.116 R)
• M66: 42,268,579 km (0.108 R)
• M67: 43,281,357 km (0.098 R)
• M68: 46,556,802 km (0.099 R)
• M69: 48,176,199 km (0.081 R)
• M70: 48,272,091 km (0.107 R)
• M71: 49,330,496 km (0.069 R)
• M72: 53,838,628 km (0.047 R)
• M73: 55,940,029 km (0.098 R)
• M74: 56,040,709 km (0.092 R)
• M75: 56,141,538 km (0.12 R)
• M76: 58,170,085 km (0.092 R)
• M77: 58,476,461 km (0.025 R)
• M78: 58,885,761 km (0.072 R)
• M79: 59,707,203 km (0.12 R)
• M80: 59,810,126 km (0.118 R)
• M81: 60,739,279 km (0.084 R)
• M82: 60,946,472 km (0.061 R)
• M83: 61,361,456 km (0.103 R)
• M84: 62,403,106 km (0.092 R)
• M85: 63,135,537 km (0.11 R)
• M86: 64,820,757 km (0.115 R)
• M87: 65,350,334 km (0.056 R)
• M88: 66,947,889 km (0.062 R)
• M89: 67,483,151 km (0.088 R)
• M90: 68,881,741 km (0.099 R)
• M91: 69,422,238 km (0.116 R)
• M92: 71,051,957 km (0.112 R)
• M93: 71,816,851 km (0.115 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 13,981 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit