🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.91 AU - 1.03 AU

Year: 342 Days

Day: 36.7 Hours

Environment

Temp: 70 °C

Axial Tilt: 24.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.86 AU - 1.2 AU

Year: 374 Days

Day: 42.1 Hours

Environment

Temp: 45 °C

Axial Tilt: 13.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.02 AU - 2.24 AU

Year: 1113 Days

Day: 41.4 Hours

Environment

Temp: -64 °C

Axial Tilt: 20.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.19 AU - 2.35 AU

Year: 1225 Days

Day: 28 Hours

Environment

Temp: -63 °C

Axial Tilt: 2.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 61,069,343 km

• M1: 63,429 km (0.102 R)
• M2: 151,094 km (0.087 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.83 AU - 4.71 AU

Year: 2622 Days

Day: 41.6 Hours

Environment

Temp: -113 °C

Axial Tilt: 133.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.53 AU - 5.29 AU

Year: 3897 Days

Day: 28.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,069,343 km

• M1: 329,863 km (0.118 R)

Asteroid Belt

Center: 6.3 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.4

Radius: 14.2

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7 AU - 8.38 AU

Year: 7638 Days

Day: 10.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 61,069,343 km

• M1: 177,423 km (0.101 R)
• M2: 332,556 km (0.118 R)
• M3: 502,948 km (0.117 R)
• M4: 776,114 km (0.054 R)
• M5: 1,048,831 km (0.037 R)
• M6: 1,138,290 km (0.12 R)
• M7: 1,257,669 km (0.037 R)
• M8: 1,748,350 km (0.101 R)
• M9: 1,888,075 km (0.107 R)
• M10: 2,129,675 km (0.11 R)
• M11: 2,246,062 km (0.114 R)
• M12: 2,381,598 km (0.076 R)
• M13: 3,007,964 km (0.109 R)
• M14: 3,407,989 km (0.117 R)
• M15: 3,744,435 km (0.072 R)
• M16: 4,009,223 km (0.11 R)
• M17: 4,906,361 km (0.111 R)
• M18: 5,061,943 km (0.118 R)
• M19: 5,561,600 km (0.096 R)
• M20: 5,935,146 km (0.11 R)
• M21: 6,879,557 km (0.097 R)
• M22: 7,104,253 km (0.085 R)
• M23: 7,382,206 km (0.027 R)
• M24: 7,586,557 km (0.072 R)
• M25: 9,732,239 km (0.045 R)
• M26: 9,956,636 km (0.113 R)
• M27: 10,239,675 km (0.068 R)
• M28: 10,611,426 km (0.099 R)
• M29: 10,784,510 km (0.086 R)
• M30: 10,929,471 km (0.113 R)
• M31: 12,233,216 km (0.096 R)
• M32: 12,903,564 km (0.081 R)
• M33: 13,181,218 km (0.07 R)
• M34: 13,336,351 km (0.054 R)
• M35: 13,585,880 km (0.092 R)
• M36: 13,868,321 km (0.11 R)
• M37: 14,057,712 km (0.063 R)
• M38: 14,343,593 km (0.104 R)
• M39: 14,503,065 km (0.114 R)
• M40: 15,375,220 km (0.118 R)
• M41: 15,932,921 km (0.053 R)
• M42: 16,098,376 km (0.102 R)
• M43: 16,264,281 km (0.093 R)
• M44: 16,463,994 km (0.109 R)
• M45: 17,407,507 km (0.061 R)
• M46: 17,680,224 km (0.091 R)
• M47: 17,782,848 km (0.091 R)
• M48: 17,920,030 km (0.056 R)
• M49: 19,487,666 km (0.094 R)
• M50: 20,055,689 km (0.069 R)
• M51: 20,341,720 km (0.103 R)
• M52: 20,593,044 km (0.113 R)
• M53: 21,026,430 km (0.096 R)
• M54: 21,135,337 km (0.105 R)
• M55: 21,317,098 km (0.052 R)
• M56: 21,975,778 km (0.09 R)
• M57: 22,233,684 km (0.083 R)
• M58: 22,344,536 km (0.088 R)
• M59: 23,200,685 km (0.113 R)
• M60: 24,143,451 km (0.096 R)
• M61: 24,371,588 km (0.1 R)
• M62: 24,638,769 km (0.069 R)
• M63: 25,561,788 km (0.077 R)
• M64: 25,871,905 km (0.109 R)
• M65: 25,988,591 km (0.117 R)
• M66: 26,183,367 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.2

Radius: 4.3

Gravity: 18.13 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 13.02 AU - 16.74 AU

Year: 20558 Days

Day: 15.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 61,069,343 km

• M1: 266,284 km (0.107 R)
• M2: 294,708 km (0.084 R)
• M3: 386,561 km (0.083 R)
• M4: 470,186 km (0.101 R)
• M5: 715,227 km (0.102 R)
• M6: 995,424 km (0.072 R)
• M7: 1,331,870 km (0.07 R)
• M8: 1,783,955 km (0.109 R)
• M9: 2,219,135 km (0.093 R)
• M10: 2,433,060 km (0.095 R)
• M11: 2,685,581 km (0.114 R)
• M12: 2,717,745 km (0.06 R)
• M13: 2,750,058 km (0.095 R)
• M14: 2,880,507 km (0.027 R)
• M15: 3,633,732 km (0.111 R)
• M16: 4,105,863 km (0.072 R)
• M17: 4,330,260 km (0.11 R)
• M18: 5,106,823 km (0.108 R)
• M19: 5,510,886 km (0.078 R)
• M20: 5,675,444 km (0.105 R)
• M21: 6,478,934 km (0.029 R)
• M22: 7,048,902 km (0.064 R)
• M23: 7,543,622 km (0.09 R)
• M24: 7,589,100 km (0.054 R)
• M25: 7,634,727 km (0.095 R)
• M26: 7,956,662 km (0.041 R)
• M27: 8,003,037 km (0.119 R)
• M28: 8,424,305 km (0.119 R)
• M29: 8,471,428 km (0.094 R)
• M30: 8,518,851 km (0.07 R)
• M31: 9,829,777 km (0.093 R)
• M32: 9,879,593 km (0.093 R)
• M33: 11,462,937 km (0.078 R)
• M34: 12,203,446 km (0.109 R)
• M35: 13,453,187 km (0.072 R)
• M36: 13,953,143 km (0.1 R)
• M37: 14,233,639 km (0.091 R)
• M38: 14,857,013 km (0.088 R)
• M39: 15,143,344 km (0.118 R)
• M40: 15,605,302 km (0.076 R)
• M41: 16,306,916 km (0.102 R)
• M42: 16,542,981 km (0.109 R)
• M43: 17,619,488 km (0.119 R)
• M44: 17,922,423 km (0.109 R)
• M45: 18,780,068 km (0.11 R)
• M46: 18,965,569 km (0.051 R)
• M47: 19,213,902 km (0.1 R)
• M48: 19,713,708 km (0.116 R)
• M49: 20,598,729 km (0.117 R)
• M50: 22,538,266 km (0.096 R)
• M51: 22,933,054 km (0.112 R)
• M52: 23,197,543 km (0.1 R)
• M53: 23,396,658 km (0.087 R)
• M54: 23,997,144 km (0.063 R)
• M55: 24,198,353 km (0.025 R)
• M56: 24,400,310 km (0.105 R)
• M57: 24,737,953 km (0.09 R)
• M58: 25,897,635 km (0.091 R)
• M59: 27,074,821 km (0.102 R)
• M60: 27,144,683 km (0.104 R)
• M61: 30,201,716 km (0.087 R)
• M62: 30,709,750 km (0.048 R)
• M63: 31,220,477 km (0.031 R)
• M64: 31,440,087 km (0.057 R)
• M65: 31,881,251 km (0.098 R)
• M66: 33,141,763 km (0.088 R)
• M67: 33,216,562 km (0.086 R)
• M68: 34,721,516 km (0.094 R)
• M69: 34,797,362 km (0.088 R)
• M70: 38,894,399 km (0.118 R)
• M71: 38,973,237 km (0.119 R)
• M72: 40,959,448 km (0.109 R)
• M73: 42,247,635 km (0.069 R)
• M74: 42,734,277 km (0.041 R)
• M75: 43,059,653 km (0.057 R)
• M76: 43,958,736 km (0.113 R)
• M77: 45,443,196 km (0.091 R)
• M78: 46,358,435 km (0.088 R)
• M79: 47,027,886 km (0.115 R)
• M80: 48,376,361 km (0.103 R)
• M81: 50,079,832 km (0.089 R)
• M82: 50,938,823 km (0.068 R)
• M83: 52,323,501 km (0.06 R)
• M84: 52,758,681 km (0.097 R)
• M85: 59,066,924 km (0.041 R)
• M86: 59,883,429 km (0.076 R)

Kuiper Belt

Range: 30.6 - 48.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 17,985 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit