🌌 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: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.5 AU - 0.58 AU

Year: 183 Days

Day: 34.2 Hours

Environment

Temp: -9 °C

Axial Tilt: 46 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.53 AU - 0.71 AU

Year: 225 Days

Day: 30.3 Hours

Environment

Temp: -32 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.61 AU - 0.73 AU

Year: 252 Days

Day: 32.3 Hours

Environment

Temp: -27 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,000,741 km

• M1: 410,796 km (0.079 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.73 AU - 0.89 AU

Year: 335 Days

Day: 17 Hours

Environment

Temp: -67 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.11 AU - 1.19 AU

Year: 568 Days

Day: 24.2 Hours

Environment

Temp: -91 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,000,741 km

• M1: 39,494 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.3

Radius: 12.7

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.15 AU - 3.99 AU

Year: 3104 Days

Day: 8.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 58,000,741 km

• M1: 183,706 km (0.091 R)
• M2: 281,992 km (0.106 R)
• M3: 407,804 km (0.09 R)
• M4: 530,324 km (0.102 R)
• M5: 628,610 km (0.09 R)
• M6: 909,854 km (0.098 R)
• M7: 1,423,125 km (0.084 R)
• M8: 1,658,891 km (0.04 R)
• M9: 1,919,939 km (0.063 R)
• M10: 2,005,958 km (0.059 R)
• M11: 2,131,022 km (0.118 R)
• M12: 2,455,499 km (0.106 R)
• M13: 2,603,452 km (0.073 R)
• M14: 3,225,031 km (0.05 R)
• M15: 3,387,494 km (0.113 R)
• M16: 3,690,280 km (0.072 R)
• M17: 3,938,762 km (0.074 R)
• M18: 4,065,173 km (0.064 R)
• M19: 4,305,726 km (0.082 R)
• M20: 4,534,760 km (0.061 R)
• M21: 4,683,909 km (0.106 R)
• M22: 4,868,663 km (0.069 R)
• M23: 4,970,539 km (0.043 R)
• M24: 5,228,146 km (0.091 R)
• M25: 5,918,541 km (0.051 R)
• M26: 6,009,197 km (0.077 R)
• M27: 6,432,110 km (0.087 R)
• M28: 6,525,310 km (0.104 R)
• M29: 7,113,379 km (0.05 R)
• M30: 7,837,582 km (0.117 R)
• M31: 7,997,353 km (0.117 R)
• M32: 8,218,757 km (0.061 R)
• M33: 8,442,257 km (0.115 R)
• M34: 8,812,212 km (0.077 R)
• M35: 9,166,460 km (0.097 R)
• M36: 9,292,721 km (0.102 R)
• M37: 9,525,495 km (0.074 R)
• M38: 9,997,027 km (0.099 R)
• M39: 10,235,786 km (0.118 R)
• M40: 10,366,684 km (0.075 R)
• M41: 10,520,171 km (0.066 R)
• M42: 10,873,970 km (0.1 R)
• M43: 10,962,981 km (0.111 R)
• M44: 11,209,219 km (0.076 R)
• M45: 11,299,127 km (0.078 R)
• M46: 11,434,513 km (0.111 R)
• M47: 11,615,975 km (0.12 R)
• M48: 11,981,593 km (0.063 R)
• M49: 12,959,514 km (0.096 R)
• M50: 13,172,392 km (0.111 R)
• M51: 13,267,386 km (0.076 R)
• M52: 13,577,802 km (0.089 R)
• M53: 14,108,426 km (0.114 R)
• M54: 14,205,664 km (0.085 R)
• M55: 14,621,247 km (0.096 R)
• M56: 14,719,682 km (0.097 R)
• M57: 14,991,352 km (0.095 R)
• M58: 15,439,547 km (0.105 R)
• M59: 15,665,291 km (0.069 R)
• M60: 15,791,252 km (0.066 R)
• M61: 15,892,231 km (0.048 R)
• M62: 16,196,363 km (0.062 R)
• M63: 16,477,009 km (0.09 R)
• M64: 16,579,334 km (0.05 R)
• M65: 16,913,685 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.6

Radius: 9.7

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.38 AU - 5.66 AU

Year: 5176 Days

Day: 8.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 58,000,741 km

• M1: 139,724 km (0.098 R)
• M2: 361,877 km (0.075 R)
• M3: 452,534 km (0.093 R)
• M4: 518,057 km (0.114 R)
• M5: 711,039 km (0.072 R)
• M6: 1,074,412 km (0.112 R)
• M7: 1,244,804 km (0.077 R)
• M8: 1,543,102 km (0.119 R)
• M9: 1,790,687 km (0.114 R)
• M10: 1,882,240 km (0.106 R)
• M11: 2,225,119 km (0.107 R)
• M12: 2,343,750 km (0.091 R)
• M13: 2,587,594 km (0.102 R)
• M14: 2,925,686 km (0.083 R)
• M15: 3,166,389 km (0.099 R)
• M16: 3,436,413 km (0.07 R)
• M17: 3,505,078 km (0.112 R)
• M18: 3,998,751 km (0.062 R)
• M19: 4,071,007 km (0.114 R)
• M20: 4,340,133 km (0.111 R)
• M21: 4,514,265 km (0.101 R)
• M22: 4,690,940 km (0.1 R)
• M23: 5,077,053 km (0.074 R)
• M24: 5,527,043 km (0.036 R)
• M25: 6,045,100 km (0.068 R)
• M26: 6,128,426 km (0.092 R)
• M27: 6,664,585 km (0.107 R)
• M28: 7,069,247 km (0.093 R)
• M29: 7,872,289 km (0.05 R)
• M30: 7,963,244 km (0.042 R)
• M31: 8,146,352 km (0.09 R)
• M32: 8,547,873 km (0.101 R)
• M33: 9,082,685 km (0.06 R)
• M34: 9,274,021 km (0.098 R)
• M35: 9,370,212 km (0.09 R)
• M36: 9,790,881 km (0.045 R)
• M37: 10,085,739 km (0.093 R)
• M38: 10,317,017 km (0.104 R)
• M39: 10,650,620 km (0.093 R)
• M40: 11,157,608 km (0.07 R)
• M41: 11,259,933 km (0.093 R)
• M42: 11,362,557 km (0.078 R)
• M43: 11,500,037 km (0.092 R)
• M44: 11,603,409 km (0.105 R)
• M45: 13,119,135 km (0.099 R)
• M46: 14,287,195 km (0.098 R)
• M47: 14,398,346 km (0.102 R)
• M48: 14,584,296 km (0.057 R)
• M49: 15,717,051 km (0.098 R)
• M50: 15,793,496 km (0.063 R)
• M51: 17,152,593 km (0.095 R)
• M52: 18,387,224 km (0.1 R)
• M53: 18,670,113 km (0.108 R)
• M54: 19,158,251 km (0.107 R)
• M55: 19,321,911 km (0.052 R)
• M56: 19,403,891 km (0.073 R)
• M57: 20,064,066 km (0.116 R)
• M58: 20,355,184 km (0.075 R)
• M59: 20,564,023 km (0.116 R)
• M60: 20,941,608 km (0.079 R)
• M61: 21,025,831 km (0.1 R)
• M62: 21,236,914 km (0.099 R)
• M63: 21,746,444 km (0.119 R)
• M64: 22,045,490 km (0.082 R)
• M65: 22,950,857 km (0.063 R)
• M66: 23,473,701 km (0.116 R)
• M67: 23,648,880 km (0.115 R)
• M68: 23,780,526 km (0.098 R)
• M69: 24,088,698 km (0.098 R)
• M70: 24,842,522 km (0.088 R)
• M71: 24,931,682 km (0.025 R)
• M72: 25,155,181 km (0.06 R)
• M73: 25,784,390 km (0.068 R)
• M74: 25,919,776 km (0.086 R)
• M75: 26,191,595 km (0.119 R)
• M76: 26,829,331 km (0.055 R)
• M77: 27,058,216 km (0.062 R)
• M78: 27,380,001 km (0.083 R)
• M79: 27,749,208 km (0.031 R)
• M80: 28,772,906 km (0.038 R)
• M81: 29,195,371 km (0.095 R)
• M82: 30,093,856 km (0.116 R)
• M83: 31,097,358 km (0.065 R)
• M84: 31,289,741 km (0.093 R)
• M85: 31,772,493 km (0.099 R)
• M86: 32,014,842 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.1

Radius: 4.7

Gravity: 16.03 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 9.06 AU - 9.54 AU

Year: 13051 Days

Day: 16.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 58,000,741 km

• M1: 97,687 km (0.087 R)
• M2: 453,431 km (0.095 R)
• M3: 496,515 km (0.075 R)
• M4: 556,055 km (0.055 R)
• M5: 801,396 km (0.085 R)
• M6: 944,860 km (0.119 R)
• M7: 982,110 km (0.12 R)
• M8: 1,423,274 km (0.115 R)
• M9: 2,233,945 km (0.064 R)
• M10: 2,436,201 km (0.109 R)
• M11: 2,591,933 km (0.085 R)
• M12: 2,644,442 km (0.088 R)
• M13: 3,133,776 km (0.086 R)
• M14: 3,621,016 km (0.108 R)
• M15: 3,679,958 km (0.117 R)
• M16: 4,131,594 km (0.106 R)
• M17: 5,185,661 km (0.082 R)
• M18: 5,318,952 km (0.097 R)
• M19: 5,486,951 km (0.091 R)
• M20: 5,725,111 km (0.113 R)
• M21: 5,862,890 km (0.115 R)
• M22: 5,932,004 km (0.032 R)
• M23: 6,495,689 km (0.11 R)
• M24: 7,711,172 km (0.106 R)
• M25: 7,825,165 km (0.108 R)
• M26: 7,939,608 km (0.091 R)
• M27: 9,034,814 km (0.051 R)
• M28: 10,721,829 km (0.064 R)
• M29: 10,976,744 km (0.073 R)
• M30: 11,449,174 km (0.085 R)
• M31: 11,884,504 km (0.119 R)
• M32: 12,280,788 km (0.091 R)
• M33: 12,861,079 km (0.049 R)
• M34: 13,086,523 km (0.113 R)
• M35: 13,450,045 km (0.082 R)
• M36: 13,633,153 km (0.098 R)
• M37: 13,909,161 km (0.091 R)
• M38: 14,001,613 km (0.114 R)
• M39: 15,126,738 km (0.114 R)
• M40: 15,508,213 km (0.111 R)
• M41: 15,604,105 km (0.095 R)
• M42: 16,378,124 km (0.079 R)
• M43: 16,818,989 km (0.117 R)
• M44: 18,114,208 km (0.119 R)
• M45: 19,235,145 km (0.107 R)
• M46: 20,483,240 km (0.086 R)
• M47: 21,650,253 km (0.111 R)
• M48: 22,241,763 km (0.057 R)
• M49: 23,166,427 km (0.081 R)
• M50: 26,700,527 km (0.109 R)
• M51: 27,566,549 km (0.084 R)
• M52: 28,148,934 km (0.117 R)
• M53: 28,500,190 km (0.102 R)
• M54: 29,444,302 km (0.073 R)
• M55: 31,727,315 km (0.069 R)
• M56: 32,031,896 km (0.107 R)
• M57: 32,766,870 km (0.089 R)
• M58: 33,321,729 km (0.117 R)
• M59: 33,755,563 km (0.058 R)
• M60: 34,253,424 km (0.066 R)
• M61: 34,816,660 km (0.113 R)
• M62: 36,907,440 km (0.111 R)
• M63: 37,227,729 km (0.065 R)
• M64: 39,234,286 km (0.081 R)
• M65: 39,299,660 km (0.1 R)
• M66: 39,889,075 km (0.104 R)
• M67: 40,811,795 km (0.051 R)
• M68: 41,209,426 km (0.028 R)
• M69: 43,621,842 km (0.066 R)
• M70: 44,368,036 km (0.032 R)
• M71: 45,735,510 km (0.094 R)
• M72: 45,804,175 km (0.1 R)
• M73: 45,941,805 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.6

Radius: 3.1

Gravity: 16.82 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 12.52 AU - 17.98 AU

Year: 27405 Days

Day: 23.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 58,000,741 km

• M1: 40,391 km (0.104 R)
• M2: 214,972 km (0.079 R)
• M3: 254,017 km (0.112 R)
• M4: 1,229,096 km (0.094 R)
• M5: 1,629,719 km (0.074 R)
• M6: 2,067,293 km (0.088 R)
• M7: 2,755,294 km (0.102 R)
• M8: 3,107,447 km (0.097 R)
• M9: 3,140,059 km (0.102 R)
• M10: 3,439,554 km (0.091 R)
• M11: 3,644,354 km (0.039 R)
• M12: 3,888,049 km (0.04 R)
• M13: 4,137,129 km (0.085 R)
• M14: 4,914,888 km (0.098 R)
• M15: 5,576,709 km (0.107 R)
• M16: 5,736,480 km (0.09 R)
• M17: 6,101,349 km (0.114 R)
• M18: 7,153,770 km (0.118 R)
• M19: 7,502,333 km (0.051 R)
• M20: 8,125,259 km (0.117 R)
• M21: 10,629,378 km (0.11 R)
• M22: 10,678,745 km (0.112 R)
• M23: 10,876,962 km (0.101 R)
• M24: 10,926,778 km (0.107 R)
• M25: 11,479,093 km (0.085 R)
• M26: 11,937,611 km (0.074 R)
• M27: 13,723,361 km (0.098 R)
• M28: 14,318,760 km (0.083 R)
• M29: 14,427,817 km (0.066 R)
• M30: 15,534,392 km (0.064 R)
• M31: 17,593,906 km (0.07 R)
• M32: 18,063,045 km (0.076 R)
• M33: 19,314,132 km (0.034 R)
• M34: 20,592,745 km (0.117 R)
• M35: 21,211,183 km (0.103 R)
• M36: 22,466,309 km (0.064 R)
• M37: 23,487,614 km (0.085 R)
• M38: 24,003,876 km (0.051 R)
• M39: 24,068,801 km (0.062 R)
• M40: 24,133,577 km (0.107 R)
• M41: 24,654,477 km (0.093 R)
• M42: 24,916,423 km (0.078 R)
• M43: 25,047,770 km (0.083 R)
• M44: 27,314,327 km (0.03 R)
• M45: 28,609,246 km (0.069 R)
• M46: 29,437,420 km (0.098 R)
• M47: 30,063,637 km (0.066 R)
• M48: 30,203,361 km (0.083 R)
• M49: 31,754,990 km (0.088 R)
• M50: 33,187,839 km (0.108 R)
• M51: 35,228,952 km (0.116 R)
• M52: 35,523,810 km (0.099 R)
• M53: 35,893,616 km (0.075 R)
• M54: 36,116,068 km (0.059 R)
• M55: 36,487,818 km (0.1 R)
• M56: 37,235,209 km (0.084 R)
• M57: 38,593,259 km (0.03 R)
• M58: 38,973,387 km (0.068 R)
• M59: 39,354,712 km (0.091 R)
• M60: 39,890,571 km (0.086 R)
• M61: 40,660,402 km (0.091 R)
• M62: 44,026,055 km (0.104 R)
• M63: 44,502,823 km (0.113 R)
• M64: 46,103,969 km (0.064 R)
• M65: 46,830,716 km (0.089 R)
• M66: 47,154,894 km (0.042 R)
• M67: 47,317,358 km (0.079 R)
• M68: 47,561,202 km (0.113 R)
• M69: 48,951,266 km (0.099 R)
• M70: 49,033,544 km (0.086 R)
• M71: 50,603,724 km (0.117 R)
• M72: 51,687,411 km (0.109 R)
• M73: 51,938,735 km (0.112 R)
• M74: 53,369,788 km (0.084 R)
• M75: 54,558,044 km (0.083 R)
• M76: 56,012,584 km (0.063 R)
• M77: 56,874,118 km (0.091 R)
• M78: 57,479,840 km (0.11 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 18,520 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit