🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.51 AU - 0.63 AU

Year: 151 Days

Day: 31 Hours

Environment

Temp: 257 °C

Axial Tilt: 26.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.59 AU - 0.89 AU

Year: 223 Days

Day: 29 Hours

Environment

Temp: 195 °C

Axial Tilt: 16.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.17 AU - 1.63 AU

Year: 580 Days

Day: 26.3 Hours

Environment

Temp: -4 °C

Axial Tilt: 49.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.63 AU - 1.69 AU

Year: 748 Days

Day: 45.9 Hours

Environment

Temp: -39 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,983,085 km

• M1: 224,546 km (0.104 R)
• M2: 991,834 km (0.077 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.56 AU - 2.1 AU

Year: 866 Days

Day: 32.8 Hours

Environment

Temp: -35 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.11 AU - 3.21 AU

Year: 1518 Days

Day: 44.5 Hours

Environment

Temp: -84 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.45 AU - 2.99 AU

Year: 1569 Days

Day: 17.3 Hours

Environment

Temp: -85 °C

Axial Tilt: 48.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,983,085 km

• M1: 379,829 km (0.12 R)
• M2: 977,622 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.1

Radius: 5.9

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 11.2 AU - 15.4 AU

Year: 16969 Days

Day: 22.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 57,983,085 km

• M1: 100,231 km (0.078 R)
• M2: 169,345 km (0.063 R)
• M3: 468,989 km (0.119 R)
• M4: 554,111 km (0.111 R)
• M5: 861,385 km (0.093 R)
• M6: 1,334,862 km (0.112 R)
• M7: 1,433,148 km (0.082 R)
• M8: 2,450,563 km (0.049 R)
• M9: 2,787,756 km (0.097 R)
• M10: 3,675,919 km (0.054 R)
• M11: 3,849,303 km (0.053 R)
• M12: 3,990,074 km (0.098 R)
• M13: 4,495,865 km (0.06 R)
• M14: 4,532,666 km (0.111 R)
• M15: 4,718,766 km (0.116 R)
• M16: 4,945,257 km (0.082 R)
• M17: 5,646,272 km (0.078 R)
• M18: 6,336,517 km (0.089 R)
• M19: 6,882,100 km (0.088 R)
• M20: 7,530,308 km (0.087 R)
• M21: 8,062,876 km (0.087 R)
• M22: 9,304,838 km (0.105 R)
• M23: 9,351,961 km (0.116 R)
• M24: 9,446,507 km (0.1 R)
• M25: 9,827,832 km (0.114 R)
• M26: 11,051,393 km (0.065 R)
• M27: 11,503,478 km (0.118 R)
• M28: 12,843,426 km (0.084 R)
• M29: 13,001,102 km (0.102 R)
• M30: 13,106,718 km (0.118 R)
• M31: 14,069,231 km (0.071 R)
• M32: 14,123,385 km (0.113 R)
• M33: 14,559,014 km (0.105 R)
• M34: 14,668,670 km (0.064 R)
• M35: 14,998,982 km (0.102 R)
• M36: 15,555,187 km (0.065 R)
• M37: 16,402,210 km (0.092 R)
• M38: 16,687,792 km (0.106 R)
• M39: 19,572,637 km (0.109 R)
• M40: 19,814,986 km (0.081 R)
• M41: 20,363,561 km (0.105 R)
• M42: 21,413,439 km (0.061 R)
• M43: 21,475,822 km (0.045 R)
• M44: 22,670,959 km (0.104 R)
• M45: 22,734,538 km (0.093 R)
• M46: 24,341,369 km (0.072 R)
• M47: 24,471,519 km (0.077 R)
• M48: 25,917,981 km (0.091 R)
• M49: 25,984,402 km (0.102 R)
• M50: 27,054,625 km (0.108 R)
• M51: 28,755,553 km (0.087 R)
• M52: 29,514,912 km (0.115 R)
• M53: 35,378,999 km (0.072 R)
• M54: 36,564,113 km (0.045 R)
• M55: 36,638,613 km (0.091 R)
• M56: 37,686,845 km (0.109 R)
• M57: 38,290,323 km (0.104 R)
• M58: 38,517,413 km (0.109 R)
• M59: 38,593,109 km (0.078 R)
• M60: 38,744,951 km (0.087 R)
• M61: 38,972,938 km (0.097 R)
• M62: 39,430,259 km (0.115 R)
• M63: 40,658,457 km (0.038 R)
• M64: 40,735,650 km (0.102 R)
• M65: 41,277,344 km (0.096 R)
• M66: 42,681,021 km (0.045 R)
• M67: 44,576,874 km (0.099 R)
• M68: 45,535,049 km (0.108 R)
• M69: 46,580,738 km (0.06 R)
• M70: 47,309,279 km (0.116 R)
• M71: 47,471,743 km (0.106 R)
• M72: 49,188,229 km (0.073 R)
• M73: 51,091,562 km (0.1 R)
• M74: 52,429,715 km (0.12 R)
• M75: 54,628,654 km (0.117 R)
• M76: 54,969,588 km (0.088 R)
• M77: 55,653,699 km (0.111 R)
• M78: 56,254,484 km (0.086 R)

Kuiper Belt

Range: 31.4 - 60.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 11,472 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit