🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.5 AU - 0.58 AU

Year: 173 Days

Day: 39.5 Hours

Environment

Temp: 21 °C

Axial Tilt: 30 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 37,774,718 km

• M1: 27,676 km (0.066 R)
• M2: 193,729 km (0.073 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.9 AU - 0.9 AU

Year: 373 Days

Day: 35.6 Hours

Environment

Temp: -54 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.88 AU - 0.94 AU

Year: 379 Days

Day: 18.7 Hours

Environment

Temp: -50 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,774,718 km

• M1: 43,683 km (0.037 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.01 AU - 1.07 AU

Year: 463 Days

Day: 12.4 Hours

Environment

Temp: -59 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,774,718 km

• M1: 49,966 km (0.083 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.1 AU - 1.14 AU

Year: 517 Days

Day: 30.6 Hours

Environment

Temp: -74 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.77 AU - 1.77 AU

Year: 1028 Days

Day: 29.4 Hours

Environment

Temp: -101 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.37 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.1

Radius: 14

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.87 AU - 3.07 AU

Year: 2234 Days

Day: 7.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 37,774,718 km

• M1: 175,777 km (0.047 R)
• M2: 276,008 km (0.111 R)
• M3: 421,417 km (0.034 R)
• M4: 512,223 km (0.115 R)
• M5: 628,311 km (0.087 R)
• M6: 827,127 km (0.102 R)
• M7: 1,120,189 km (0.112 R)
• M8: 1,493,436 km (0.12 R)
• M9: 1,634,806 km (0.102 R)
• M10: 1,931,309 km (0.114 R)
• M11: 2,086,292 km (0.082 R)
• M12: 2,232,299 km (0.106 R)
• M13: 2,395,361 km (0.085 R)
• M14: 2,548,549 km (0.081 R)
• M15: 2,676,306 km (0.109 R)
• M16: 2,835,628 km (0.064 R)
• M17: 2,923,741 km (0.072 R)
• M18: 3,286,067 km (0.098 R)
• M19: 3,535,895 km (0.117 R)
• M20: 3,955,069 km (0.079 R)
• M21: 4,458,914 km (0.062 R)
• M22: 4,614,047 km (0.101 R)
• M23: 4,912,046 km (0.099 R)
• M24: 5,416,939 km (0.101 R)
• M25: 5,527,342 km (0.117 R)
• M26: 5,619,794 km (0.086 R)
• M27: 5,712,993 km (0.066 R)
• M28: 5,806,492 km (0.109 R)
• M29: 6,263,064 km (0.098 R)
• M30: 6,632,870 km (0.089 R)
• M31: 6,830,340 km (0.086 R)
• M32: 7,069,995 km (0.074 R)
• M33: 7,251,607 km (0.098 R)
• M34: 7,619,319 km (0.071 R)
• M35: 7,826,362 km (0.064 R)
• M36: 8,161,461 km (0.089 R)
• M37: 8,522,740 km (0.081 R)
• M38: 8,694,479 km (0.072 R)
• M39: 8,954,480 km (0.112 R)
• M40: 9,151,051 km (0.066 R)
• M41: 9,570,973 km (0.039 R)
• M42: 9,794,621 km (0.09 R)
• M43: 9,997,177 km (0.047 R)
• M44: 10,155,900 km (0.108 R)
• M45: 10,961,485 km (0.073 R)
• M46: 11,078,321 km (0.119 R)
• M47: 11,502,281 km (0.081 R)
• M48: 11,763,928 km (0.109 R)
• M49: 11,931,477 km (0.106 R)
• M50: 12,293,205 km (0.107 R)
• M51: 13,126,615 km (0.071 R)
• M52: 13,600,242 km (0.09 R)
• M53: 14,206,711 km (0.077 R)
• M54: 14,538,819 km (0.052 R)
• M55: 14,977,140 km (0.089 R)
• M56: 15,184,932 km (0.106 R)
• M57: 15,498,339 km (0.061 R)
• M58: 15,629,537 km (0.083 R)
• M59: 15,919,607 km (0.114 R)
• M60: 16,184,844 km (0.108 R)
• M61: 17,669,603 km (0.105 R)
• M62: 17,779,258 km (0.095 R)
• M63: 17,889,213 km (0.097 R)
• M64: 17,999,317 km (0.11 R)
• M65: 18,442,276 km (0.046 R)
• M66: 18,637,052 km (0.026 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546

Radius: 10.3

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.64 AU - 5.42 AU

Year: 4209 Days

Day: 10 Hours

Environment

Temp: -169 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 37,774,718 km

• M1: 145,858 km (0.077 R)
• M2: 232,176 km (0.11 R)
• M3: 373,097 km (0.11 R)
• M4: 607,816 km (0.107 R)
• M5: 843,732 km (0.088 R)
• M6: 937,081 km (0.09 R)
• M7: 1,147,565 km (0.037 R)
• M8: 1,225,506 km (0.039 R)
• M9: 1,292,077 km (0.082 R)
• M10: 1,373,608 km (0.119 R)
• M11: 1,556,416 km (0.028 R)
• M12: 1,777,372 km (0.093 R)
• M13: 1,853,368 km (0.093 R)
• M14: 1,961,677 km (0.095 R)
• M15: 2,056,223 km (0.111 R)
• M16: 2,282,864 km (0.052 R)
• M17: 2,655,661 km (0.098 R)
• M18: 2,778,481 km (0.053 R)
• M19: 2,867,193 km (0.066 R)
• M20: 3,139,461 km (0.062 R)
• M21: 3,325,710 km (0.036 R)
• M22: 3,515,700 km (0.108 R)
• M23: 3,592,742 km (0.081 R)
• M24: 3,926,196 km (0.026 R)
• M25: 4,086,715 km (0.055 R)
• M26: 4,310,962 km (0.083 R)
• M27: 4,771,574 km (0.104 R)
• M28: 5,160,229 km (0.055 R)
• M29: 5,559,206 km (0.073 R)
• M30: 5,876,354 km (0.067 R)
• M31: 6,433,905 km (0.05 R)
• M32: 6,599,809 km (0.054 R)
• M33: 6,790,995 km (0.083 R)
• M34: 7,179,052 km (0.07 R)
• M35: 7,252,654 km (0.11 R)
• M36: 7,799,883 km (0.118 R)
• M37: 7,951,576 km (0.058 R)
• M38: 8,334,696 km (0.05 R)
• M39: 8,515,709 km (0.1 R)
• M40: 8,593,650 km (0.12 R)
• M41: 9,412,997 km (0.087 R)
• M42: 9,574,413 km (0.054 R)
• M43: 9,709,650 km (0.089 R)
• M44: 9,845,634 km (0.095 R)
• M45: 11,296,285 km (0.097 R)
• M46: 11,410,578 km (0.057 R)
• M47: 11,959,003 km (0.099 R)
• M48: 13,352,358 km (0.059 R)
• M49: 13,473,383 km (0.069 R)
• M50: 13,991,440 km (0.057 R)
• M51: 14,206,711 km (0.06 R)
• M52: 14,953,055 km (0.073 R)
• M53: 15,362,654 km (0.086 R)
• M54: 15,552,943 km (0.06 R)
• M55: 17,997,073 km (0.066 R)
• M56: 18,365,383 km (0.086 R)
• M57: 18,973,648 km (0.089 R)
• M58: 19,075,673 km (0.106 R)
• M59: 19,280,323 km (0.079 R)
• M60: 19,382,947 km (0.033 R)
• M61: 19,863,904 km (0.078 R)
• M62: 20,767,775 km (0.12 R)
• M63: 20,978,259 km (0.085 R)
• M64: 21,756,168 km (0.106 R)
• M65: 22,327,781 km (0.074 R)
• M66: 22,399,588 km (0.081 R)
• M67: 22,723,617 km (0.092 R)
• M68: 23,485,968 km (0.059 R)
• M69: 23,998,790 km (0.107 R)
• M70: 24,960,854 km (0.075 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.3

Radius: 8.6

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.84 AU - 7.44 AU

Year: 8329 Days

Day: 6.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 37,774,718 km

• M1: 108,159 km (0.066 R)
• M2: 183,257 km (0.065 R)
• M3: 322,533 km (0.111 R)
• M4: 490,831 km (0.057 R)
• M5: 1,352,066 km (0.117 R)
• M6: 1,481,169 km (0.113 R)
• M7: 1,595,162 km (0.101 R)
• M8: 1,811,780 km (0.1 R)
• M9: 2,427,824 km (0.098 R)
• M10: 2,585,799 km (0.102 R)
• M11: 2,817,377 km (0.109 R)
• M12: 2,888,136 km (0.08 R)
• M13: 3,055,686 km (0.052 R)
• M14: 3,128,540 km (0.118 R)
• M15: 3,325,561 km (0.116 R)
• M16: 3,400,509 km (0.05 R)
• M17: 3,552,201 km (0.086 R)
• M18: 3,705,988 km (0.116 R)
• M19: 3,862,168 km (0.114 R)
• M20: 4,046,922 km (0.045 R)
• M21: 4,153,884 km (0.038 R)
• M22: 4,730,883 km (0.044 R)
• M23: 4,843,680 km (0.068 R)
• M24: 4,900,377 km (0.032 R)
• M25: 5,391,657 km (0.117 R)
• M26: 5,450,449 km (0.108 R)
• M27: 6,545,655 km (0.092 R)
• M28: 7,740,044 km (0.101 R)
• M29: 8,311,059 km (0.116 R)
• M30: 8,379,126 km (0.101 R)
• M31: 8,584,524 km (0.075 R)
• M32: 8,653,339 km (0.091 R)
• M33: 8,791,568 km (0.086 R)
• M34: 8,965,400 km (0.107 R)
• M35: 9,070,268 km (0.071 R)
• M36: 9,245,896 km (0.101 R)
• M37: 9,387,117 km (0.049 R)
• M38: 9,600,443 km (0.102 R)
• M39: 9,923,575 km (0.111 R)
• M40: 10,068,236 km (0.08 R)
• M41: 10,913,913 km (0.114 R)
• M42: 11,063,361 km (0.104 R)
• M43: 11,175,859 km (0.071 R)
• M44: 12,477,210 km (0.118 R)
• M45: 12,790,468 km (0.114 R)
• M46: 13,906,768 km (0.102 R)
• M47: 14,517,725 km (0.091 R)
• M48: 14,846,990 km (0.108 R)
• M49: 16,061,575 km (0.073 R)
• M50: 16,359,574 km (0.074 R)
• M51: 16,659,368 km (0.081 R)
• M52: 16,745,387 km (0.051 R)
• M53: 17,047,425 km (0.062 R)
• M54: 17,920,628 km (0.065 R)
• M55: 18,052,873 km (0.086 R)
• M56: 18,808,192 km (0.068 R)
• M57: 18,897,801 km (0.111 R)
• M58: 19,437,999 km (0.07 R)
• M59: 19,755,596 km (0.026 R)
• M60: 19,983,433 km (0.085 R)
• M61: 21,228,835 km (0.081 R)
• M62: 22,499,221 km (0.089 R)
• M63: 23,263,666 km (0.05 R)
• M64: 23,745,820 km (0.098 R)
• M65: 26,205,209 km (0.101 R)
• M66: 28,435,713 km (0.049 R)
• M67: 28,641,560 km (0.064 R)
• M68: 29,625,764 km (0.077 R)
• M69: 29,834,303 km (0.088 R)
• M70: 29,938,872 km (0.088 R)
• M71: 31,361,398 km (0.094 R)
• M72: 32,482,934 km (0.114 R)
• M73: 32,698,055 km (0.086 R)
• M74: 33,780,695 km (0.068 R)
• M75: 33,998,659 km (0.104 R)
• M76: 34,820,101 km (0.098 R)
• M77: 35,260,966 km (0.117 R)
• M78: 36,036,781 km (0.11 R)
• M79: 36,092,431 km (0.078 R)
• M80: 36,762,330 km (0.097 R)
• M81: 37,323,622 km (0.067 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 210 - 14,335 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit