🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.6 AU - 0.78 AU

Year: 218 Days

Day: 38.8 Hours

Environment

Temp: 115 °C

Axial Tilt: 33.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.89 AU - 1.11 AU

Year: 381 Days

Day: 41.8 Hours

Environment

Temp: 19 °C

Axial Tilt: 23.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 33,436,331 km

• M1: 75,846 km (0.103 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.1 AU - 1.14 AU

Year: 451 Days

Day: 14.8 Hours

Environment

Temp: -16 °C

Axial Tilt: 17.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.28 AU - 1.6 AU

Year: 658 Days

Day: 43.1 Hours

Environment

Temp: -38 °C

Axial Tilt: 4.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 33,436,331 km

• M1: 51,910 km (0.06 R)
• M2: 467,045 km (0.066 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.72 AU - 1.76 AU

Year: 874 Days

Day: 15.1 Hours

Environment

Temp: -70 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.1

Radius: 13.6

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.61 AU - 5.65 AU

Year: 3794 Days

Day: 14.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 33,436,331 km

• M1: 182,360 km (0.109 R)
• M2: 378,034 km (0.102 R)
• M3: 552,764 km (0.113 R)
• M4: 769,980 km (0.108 R)
• M5: 1,242,111 km (0.112 R)
• M6: 1,549,984 km (0.09 R)
• M7: 1,811,630 km (0.044 R)
• M8: 1,969,755 km (0.117 R)
• M9: 2,177,995 km (0.098 R)
• M10: 2,520,126 km (0.101 R)
• M11: 2,616,467 km (0.048 R)
• M12: 2,946,928 km (0.065 R)
• M13: 3,100,266 km (0.068 R)
• M14: 3,256,147 km (0.111 R)
• M15: 3,906,000 km (0.057 R)
• M16: 4,381,123 km (0.116 R)
• M17: 4,935,383 km (0.114 R)
• M18: 5,282,750 km (0.08 R)
• M19: 5,386,421 km (0.092 R)
• M20: 5,574,914 km (0.106 R)
• M21: 5,765,502 km (0.113 R)
• M22: 5,915,399 km (0.103 R)
• M23: 6,109,876 km (0.071 R)
• M24: 6,328,588 km (0.085 R)
• M25: 6,416,701 km (0.063 R)
• M26: 6,594,424 km (0.079 R)
• M27: 6,977,394 km (0.058 R)
• M28: 7,160,203 km (0.067 R)
• M29: 7,718,053 km (0.062 R)
• M30: 8,145,754 km (0.106 R)
• M31: 8,241,795 km (0.084 R)
• M32: 8,483,695 km (0.114 R)
• M33: 8,679,070 km (0.116 R)
• M34: 8,875,791 km (0.08 R)
• M35: 9,024,342 km (0.036 R)
• M36: 9,323,837 km (0.059 R)
• M37: 9,424,516 km (0.036 R)
• M38: 9,550,777 km (0.079 R)
• M39: 9,804,944 km (0.114 R)
• M40: 10,164,727 km (0.041 R)
• M41: 10,870,679 km (0.065 R)
• M42: 11,029,851 km (0.116 R)
• M43: 11,511,706 km (0.115 R)
• M44: 11,864,009 km (0.117 R)
• M45: 12,164,850 km (0.086 R)
• M46: 12,330,156 km (0.073 R)
• M47: 12,970,285 km (0.084 R)
• M48: 13,450,494 km (0.114 R)
• M49: 13,564,338 km (0.093 R)
• M50: 14,867,186 km (0.103 R)
• M51: 15,132,423 km (0.093 R)
• M52: 15,548,455 km (0.084 R)
• M53: 15,638,064 km (0.084 R)
• M54: 15,727,823 km (0.088 R)
• M55: 16,300,483 km (0.097 R)
• M56: 16,604,616 km (0.096 R)
• M57: 16,818,690 km (0.112 R)
• M58: 17,064,480 km (0.103 R)
• M59: 17,497,416 km (0.113 R)
• M60: 17,590,615 km (0.111 R)
• M61: 18,153,552 km (0.095 R)
• M62: 18,311,079 km (0.11 R)
• M63: 18,468,904 km (0.103 R)
• M64: 18,722,473 km (0.111 R)
• M65: 18,849,631 km (0.087 R)
• M66: 18,945,374 km (0.063 R)
• M67: 19,845,504 km (0.099 R)
• M68: 20,137,818 km (0.088 R)
• M69: 20,366,105 km (0.113 R)
• M70: 20,957,166 km (0.091 R)
• M71: 21,354,348 km (0.091 R)
• M72: 21,687,353 km (0.084 R)
• M73: 22,122,683 km (0.064 R)
• M74: 22,223,661 km (0.117 R)
• M75: 22,425,768 km (0.065 R)
• M76: 22,561,004 km (0.076 R)
• M77: 22,798,117 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.4

Radius: 11.9

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 9.08 AU - 9.84 AU

Year: 11080 Days

Day: 11.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 33,436,331 km

• M1: 148,999 km (0.061 R)
• M2: 338,540 km (0.112 R)
• M3: 444,754 km (0.083 R)
• M4: 738,265 km (0.065 R)
• M5: 1,046,736 km (0.065 R)
• M6: 1,345,932 km (0.051 R)
• M7: 1,497,325 km (0.06 R)
• M8: 1,619,098 km (0.105 R)
• M9: 1,854,565 km (0.111 R)
• M10: 1,967,062 km (0.084 R)
• M11: 2,081,804 km (0.059 R)
• M12: 2,460,735 km (0.083 R)
• M13: 2,668,976 km (0.109 R)
• M14: 2,796,732 km (0.069 R)
• M15: 2,970,415 km (0.104 R)
• M16: 3,260,336 km (0.096 R)
• M17: 3,795,896 km (0.061 R)
• M18: 3,940,258 km (0.099 R)
• M19: 4,234,368 km (0.114 R)
• M20: 4,663,414 km (0.071 R)
• M21: 4,922,368 km (0.1 R)
• M22: 5,159,481 km (0.073 R)
• M23: 5,672,602 km (0.05 R)
• M24: 5,755,180 km (0.096 R)
• M25: 5,949,208 km (0.108 R)
• M26: 6,033,133 km (0.115 R)
• M27: 6,117,356 km (0.043 R)
• M28: 6,372,570 km (0.106 R)
• M29: 6,487,162 km (0.097 R)
• M30: 6,573,630 km (0.117 R)
• M31: 6,893,619 km (0.101 R)
• M32: 8,317,941 km (0.08 R)
• M33: 9,176,483 km (0.119 R)
• M34: 9,371,110 km (0.107 R)
• M35: 11,045,559 km (0.069 R)
• M36: 11,322,165 km (0.117 R)
• M37: 12,200,754 km (0.102 R)
• M38: 13,283,992 km (0.108 R)
• M39: 13,688,953 km (0.054 R)
• M40: 13,911,555 km (0.069 R)
• M41: 14,662,237 km (0.101 R)
• M42: 14,738,083 km (0.058 R)
• M43: 15,080,662 km (0.107 R)
• M44: 15,195,553 km (0.064 R)
• M45: 15,426,084 km (0.115 R)
• M46: 15,619,065 km (0.031 R)
• M47: 15,696,407 km (0.104 R)
• M48: 16,320,380 km (0.118 R)
• M49: 17,915,691 km (0.053 R)
• M50: 17,996,773 km (0.118 R)
• M51: 18,078,005 km (0.071 R)
• M52: 18,444,819 km (0.092 R)
• M53: 19,435,157 km (0.096 R)
• M54: 19,727,322 km (0.083 R)
• M55: 20,105,056 km (0.104 R)
• M56: 20,527,521 km (0.05 R)
• M57: 20,782,435 km (0.106 R)
• M58: 21,123,967 km (0.068 R)
• M59: 21,812,716 km (0.117 R)
• M60: 21,899,333 km (0.049 R)
• M61: 22,029,334 km (0.097 R)
• M62: 22,639,992 km (0.107 R)
• M63: 23,566,302 km (0.115 R)
• M64: 23,788,754 km (0.11 R)
• M65: 24,415,120 km (0.094 R)
• M66: 24,775,651 km (0.116 R)
• M67: 25,137,828 km (0.085 R)
• M68: 25,638,532 km (0.047 R)
• M69: 26,835,464 km (0.08 R)
• M70: 27,347,388 km (0.108 R)
• M71: 28,286,265 km (0.079 R)
• M72: 28,428,083 km (0.077 R)
• M73: 30,292,372 km (0.116 R)
• M74: 30,582,592 km (0.054 R)
• M75: 30,825,240 km (0.093 R)
• M76: 31,508,004 km (0.105 R)
• M77: 32,097,270 km (0.1 R)
• M78: 32,888,643 km (0.12 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 154 - 12,589 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit