🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.6 AU - 0.88 AU

Year: 267 Days

Day: 32.6 Hours

Environment

Temp: 21 °C

Axial Tilt: 47.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 85,449,929 km

• M1: 297,251 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.94 AU - 1 AU

Year: 400 Days

Day: 29.9 Hours

Environment

Temp: -43 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.02 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.8

Radius: 9.8

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4 AU - 6.12 AU

Year: 4769 Days

Day: 11.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 63.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 85,449,929 km

• M1: 122,072 km (0.104 R)
• M2: 671,246 km (0.112 R)
• M3: 1,260,661 km (0.074 R)
• M4: 1,847,982 km (0.044 R)
• M5: 2,575,477 km (0.095 R)
• M6: 2,886,790 km (0.095 R)
• M7: 3,713,468 km (0.036 R)
• M8: 4,205,645 km (0.066 R)
• M9: 4,946,603 km (0.084 R)
• M10: 5,830,128 km (0.052 R)
• M11: 7,145,094 km (0.119 R)
• M12: 8,648,103 km (0.091 R)
• M13: 9,885,278 km (0.119 R)
• M14: 10,222,770 km (0.111 R)
• M15: 12,316,093 km (0.116 R)
• M16: 16,200,552 km (0.113 R)
• M17: 16,611,348 km (0.054 R)
• M18: 17,514,919 km (0.107 R)
• M19: 18,898,998 km (0.061 R)
• M20: 19,750,509 km (0.046 R)
• M21: 20,833,149 km (0.081 R)
• M22: 22,241,613 km (0.074 R)
• M23: 23,190,512 km (0.037 R)
• M24: 23,562,562 km (0.1 R)
• M25: 24,471,818 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.4

Radius: 10.4

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.55 AU - 7.37 AU

Year: 6096 Days

Day: 10.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,449,929 km

• M1: 131,796 km (0.044 R)
• M2: 546,631 km (0.076 R)
• M3: 946,356 km (0.085 R)
• M4: 2,051,884 km (0.081 R)
• M5: 2,520,575 km (0.12 R)
• M6: 3,846,012 km (0.103 R)
• M7: 6,021,314 km (0.092 R)
• M8: 11,811,649 km (0.083 R)
• M9: 12,429,638 km (0.107 R)
• M10: 13,730,392 km (0.117 R)
• M11: 17,195,378 km (0.08 R)
• M12: 26,673,749 km (0.032 R)
• M13: 27,325,098 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.4

Radius: 11.6

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.52 AU - 6.96 AU

Year: 7331 Days

Day: 9 Hours

Environment

Temp: -184 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 85,449,929 km

• M1: 144,512 km (0.062 R)
• M2: 510,129 km (0.087 R)
• M3: 1,084,884 km (0.073 R)
• M4: 1,574,817 km (0.073 R)
• M5: 2,040,814 km (0.109 R)
• M6: 2,875,570 km (0.083 R)
• M7: 3,425,791 km (0.082 R)
• M8: 5,389,712 km (0.085 R)
• M9: 5,908,667 km (0.116 R)
• M10: 6,767,060 km (0.052 R)
• M11: 8,208,286 km (0.094 R)
• M12: 9,535,817 km (0.032 R)
• M13: 10,023,805 km (0.105 R)
• M14: 13,640,932 km (0.084 R)
• M15: 14,665,528 km (0.081 R)
• M16: 15,618,766 km (0.068 R)
• M17: 18,114,956 km (0.113 R)
• M18: 18,521,413 km (0.095 R)
• M19: 21,918,332 km (0.095 R)
• M20: 23,562,562 km (0.104 R)
• M21: 26,223,759 km (0.09 R)
• M22: 28,165,838 km (0.028 R)
• M23: 28,711,571 km (0.092 R)
• M24: 33,033,155 km (0.052 R)
• M25: 33,437,218 km (0.115 R)
• M26: 34,151,997 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.3

Radius: 8.6

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.86 AU - 8.42 AU

Year: 7993 Days

Day: 10.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 85,449,929 km

• M1: 106,962 km (0.103 R)
• M2: 392,844 km (0.093 R)
• M3: 728,093 km (0.074 R)
• M4: 1,156,840 km (0.1 R)
• M5: 1,523,206 km (0.09 R)
• M6: 2,393,865 km (0.117 R)
• M7: 2,683,038 km (0.059 R)
• M8: 3,053,143 km (0.118 R)
• M9: 3,760,741 km (0.09 R)
• M10: 4,422,263 km (0.06 R)
• M11: 6,192,155 km (0.058 R)
• M12: 6,674,907 km (0.097 R)
• M13: 10,159,341 km (0.05 R)
• M14: 10,559,067 km (0.078 R)
• M15: 10,877,112 km (0.058 R)
• M16: 13,025,337 km (0.078 R)
• M17: 13,497,318 km (0.086 R)
• M18: 15,793,047 km (0.116 R)
• M19: 16,572,153 km (0.082 R)
• M20: 18,402,333 km (0.109 R)
• M21: 19,332,533 km (0.116 R)
• M22: 20,644,506 km (0.105 R)
• M23: 20,927,994 km (0.086 R)
• M24: 22,088,574 km (0.119 R)
• M25: 22,986,610 km (0.067 R)
• M26: 27,076,766 km (0.059 R)
• M27: 27,416,652 km (0.097 R)
• M28: 27,845,699 km (0.083 R)
• M29: 29,967,146 km (0.052 R)
• M30: 30,882,087 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.1

Radius: 9

Gravity: 12.29 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 7.83 AU - 9.97 AU

Year: 11124 Days

Day: 11.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,449,929 km

• M1: 112,049 km (0.094 R)
• M2: 598,541 km (0.093 R)
• M3: 1,146,219 km (0.03 R)
• M4: 1,458,579 km (0.074 R)
• M5: 2,584,602 km (0.069 R)
• M6: 2,940,645 km (0.06 R)
• M7: 3,509,716 km (0.05 R)
• M8: 3,806,967 km (0.114 R)
• M9: 4,900,078 km (0.114 R)
• M10: 5,663,925 km (0.094 R)
• M11: 7,559,180 km (0.111 R)
• M12: 10,771,645 km (0.083 R)
• M13: 13,250,631 km (0.031 R)
• M14: 21,643,521 km (0.119 R)
• M15: 24,849,403 km (0.087 R)
• M16: 30,344,282 km (0.1 R)
• M17: 31,026,150 km (0.113 R)
• M18: 36,215,550 km (0.099 R)
• M19: 45,408,638 km (0.103 R)
• M20: 46,600,634 km (0.09 R)
• M21: 54,360,276 km (0.077 R)
• M22: 57,241,680 km (0.112 R)
• M23: 58,108,151 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.9

Radius: 7.8

Gravity: 14.33 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 11.76 AU - 12.72 AU

Year: 17941 Days

Day: 24.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 85,449,929 km

• M1: 99,782 km (0.119 R)
• M2: 890,556 km (0.07 R)
• M3: 1,337,555 km (0.046 R)
• M4: 3,215,307 km (0.089 R)
• M5: 3,852,744 km (0.047 R)
• M6: 4,234,368 km (0.118 R)
• M7: 4,746,740 km (0.095 R)
• M8: 5,110,712 km (0.086 R)
• M9: 6,847,394 km (0.073 R)
• M10: 7,700,102 km (0.096 R)
• M11: 8,890,302 km (0.11 R)
• M12: 9,557,958 km (0.097 R)
• M13: 10,318,364 km (0.085 R)
• M14: 13,406,064 km (0.091 R)
• M15: 14,966,070 km (0.101 R)
• M16: 18,177,488 km (0.076 R)
• M17: 21,037,201 km (0.119 R)
• M18: 23,551,492 km (0.08 R)
• M19: 26,824,843 km (0.093 R)
• M20: 29,047,867 km (0.082 R)
• M21: 31,771,895 km (0.094 R)
• M22: 35,479,229 km (0.088 R)
• M23: 38,441,866 km (0.098 R)
• M24: 41,565,619 km (0.105 R)
• M25: 43,267,444 km (0.043 R)
• M26: 48,312,782 km (0.045 R)
• M27: 49,161,600 km (0.059 R)
• M28: 54,099,826 km (0.107 R)
• M29: 54,464,695 km (0.077 R)
• M30: 55,199,370 km (0.062 R)
• M31: 56,688,617 km (0.105 R)
• M32: 64,538,017 km (0.113 R)
• M33: 68,507,896 km (0.094 R)
• M34: 76,241,358 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.3

Radius: 4.8

Gravity: 22.8 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 12.09 AU - 16.13 AU

Year: 22206 Days

Day: 24 Hours

Environment

Temp: -210 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 85,449,929 km

• M1: 59,690 km (0.096 R)
• M2: 790,924 km (0.066 R)
• M3: 1,750,893 km (0.071 R)
• M4: 2,176,799 km (0.069 R)
• M5: 2,369,780 km (0.071 R)
• M6: 2,597,617 km (0.098 R)
• M7: 2,864,949 km (0.067 R)
• M8: 4,089,856 km (0.112 R)
• M9: 4,485,991 km (0.113 R)
• M10: 5,053,416 km (0.118 R)
• M11: 5,869,024 km (0.083 R)
• M12: 8,006,179 km (0.089 R)
• M13: 8,158,021 km (0.076 R)
• M14: 9,612,561 km (0.052 R)
• M15: 19,528,656 km (0.114 R)
• M16: 19,804,215 km (0.073 R)
• M17: 20,836,590 km (0.113 R)
• M18: 23,212,653 km (0.119 R)
• M19: 25,763,296 km (0.1 R)
• M20: 26,205,957 km (0.094 R)
• M21: 30,296,561 km (0.084 R)
• M22: 39,567,889 km (0.095 R)
• M23: 40,304,958 km (0.037 R)
• M24: 42,879,387 km (0.034 R)
• M25: 43,813,626 km (0.117 R)
• M26: 49,195,559 km (0.051 R)
• M27: 50,909,502 km (0.081 R)
• M28: 64,439,881 km (0.064 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 635.8

Radius: 3.8

Gravity: 44.03 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 14.12 AU - 16.18 AU

Year: 24706 Days

Day: 18.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 85,449,929 km

• M1: 62,233 km (0.034 R)
• M2: 187,596 km (0.031 R)
• M3: 313,108 km (0.087 R)
• M4: 994,377 km (0.117 R)
• M5: 1,430,305 km (0.109 R)
• M6: 2,666,133 km (0.029 R)
• M7: 2,898,459 km (0.087 R)
• M8: 3,740,396 km (0.104 R)
• M9: 4,065,173 km (0.084 R)
• M10: 4,807,926 km (0.097 R)
• M11: 5,191,645 km (0.098 R)
• M12: 5,933,351 km (0.056 R)
• M13: 6,329,486 km (0.112 R)
• M14: 7,371,884 km (0.081 R)
• M15: 8,252,118 km (0.099 R)
• M16: 9,027,633 km (0.117 R)
• M17: 9,850,721 km (0.096 R)
• M18: 10,033,380 km (0.095 R)
• M19: 14,726,265 km (0.075 R)
• M20: 19,623,351 km (0.109 R)
• M21: 23,609,386 km (0.112 R)
• M22: 25,162,511 km (0.076 R)
• M23: 28,102,858 km (0.111 R)
• M24: 30,100,139 km (0.071 R)
• M25: 33,819,441 km (0.069 R)
• M26: 37,536,948 km (0.118 R)
• M27: 41,994,366 km (0.077 R)
• M28: 50,125,310 km (0.116 R)
• M29: 55,705,460 km (0.109 R)
• M30: 58,644,460 km (0.113 R)
• M31: 60,864,342 km (0.103 R)
• M32: 62,930,439 km (0.027 R)
• M33: 63,139,577 km (0.086 R)
• M34: 65,900,854 km (0.083 R)
• M35: 69,855,474 km (0.087 R)
• M36: 76,079,344 km (0.112 R)
• M37: 80,181,766 km (0.084 R)
• M38: 82,662,547 km (0.092 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 15,472 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit