🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873

Radius: 9.4

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.44 AU - 0.68 AU

Year: 284 Days

Day: 9.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,471,406 km

• M1: 116,986 km (0.117 R)
• M2: 421,417 km (0.064 R)
• M3: 750,832 km (0.038 R)
• M4: 1,091,915 km (0.079 R)
• M5: 1,408,015 km (0.06 R)
• M6: 2,023,162 km (0.078 R)
• M7: 2,436,800 km (0.034 R)
• M8: 2,827,400 km (0.053 R)
• M9: 3,184,490 km (0.105 R)
• M10: 3,977,658 km (0.081 R)
• M11: 4,374,541 km (0.048 R)
• M12: 4,686,004 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.6

Radius: 8.5

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.87 AU - 1.11 AU

Year: 668 Days

Day: 7.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,471,406 km

• M1: 105,766 km (0.115 R)
• M2: 411,095 km (0.096 R)
• M3: 696,976 km (0.111 R)
• M4: 1,127,370 km (0.03 R)
• M5: 2,161,390 km (0.115 R)
• M6: 3,701,351 km (0.086 R)
• M7: 3,979,902 km (0.113 R)
• M8: 4,706,499 km (0.119 R)
• M9: 6,090,877 km (0.047 R)
• M10: 6,560,615 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.1

Radius: 13.1

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.62 AU - 2.02 AU

Year: 1665 Days

Day: 9.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,471,406 km

• M1: 162,912 km (0.08 R)
• M2: 573,409 km (0.111 R)
• M3: 2,198,042 km (0.119 R)
• M4: 3,215,756 km (0.11 R)
• M5: 4,228,085 km (0.066 R)
• M6: 5,313,716 km (0.098 R)
• M7: 5,933,800 km (0.11 R)
• M8: 6,954,356 km (0.118 R)
• M9: 7,725,084 km (0.081 R)
• M10: 9,659,535 km (0.098 R)
• M11: 11,533,397 km (0.108 R)
• M12: 11,972,467 km (0.099 R)
• M13: 12,884,416 km (0.094 R)

Asteroid Belt

Center: 2.37 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.8

Radius: 9

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.51 AU - 3.31 AU

Year: 3367 Days

Day: 8.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 85,471,406 km

• M1: 111,899 km (0.119 R)
• M2: 811,718 km (0.12 R)
• M3: 1,689,110 km (0.077 R)
• M4: 2,539,873 km (0.096 R)
• M5: 3,567,161 km (0.111 R)
• M6: 5,114,153 km (0.077 R)
• M7: 8,268,873 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.5

Radius: 13.9

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.32 AU - 3.52 AU

Year: 4290 Days

Day: 13.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,471,406 km

• M1: 174,581 km (0.109 R)
• M2: 946,955 km (0.103 R)
• M3: 1,638,994 km (0.1 R)
• M4: 2,250,850 km (0.097 R)
• M5: 3,012,901 km (0.08 R)
• M6: 3,528,266 km (0.109 R)
• M7: 4,363,620 km (0.085 R)
• M8: 8,529,771 km (0.087 R)
• M9: 9,404,620 km (0.103 R)
• M10: 10,294,577 km (0.093 R)
• M11: 12,341,226 km (0.111 R)
• M12: 12,994,819 km (0.085 R)
• M13: 14,982,077 km (0.07 R)
• M14: 17,350,511 km (0.108 R)
• M15: 18,429,111 km (0.117 R)
• M16: 19,350,634 km (0.036 R)
• M17: 21,861,186 km (0.118 R)
• M18: 22,744,262 km (0.102 R)
• M19: 23,958,697 km (0.091 R)
• M20: 26,433,794 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794.3

Radius: 7

Gravity: 16.21 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.52 AU - 6.28 AU

Year: 9720 Days

Day: 16.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 85,471,406 km

• M1: 87,066 km (0.051 R)
• M2: 550,371 km (0.099 R)
• M3: 803,640 km (0.106 R)
• M4: 1,733,839 km (0.113 R)
• M5: 2,042,909 km (0.044 R)
• M6: 2,465,971 km (0.11 R)
• M7: 2,709,068 km (0.097 R)
• M8: 3,638,071 km (0.082 R)
• M9: 5,208,250 km (0.03 R)
• M10: 5,997,528 km (0.067 R)
• M11: 6,402,041 km (0.099 R)
• M12: 9,962,321 km (0.12 R)
• M13: 10,217,684 km (0.082 R)
• M14: 12,717,016 km (0.118 R)
• M15: 13,017,708 km (0.031 R)
• M16: 14,075,664 km (0.105 R)
• M17: 14,332,673 km (0.102 R)
• M18: 15,122,699 km (0.031 R)
• M19: 16,861,326 km (0.089 R)
• M20: 17,966,255 km (0.1 R)
• M21: 18,421,332 km (0.05 R)
• M22: 20,730,525 km (0.038 R)
• M23: 25,342,178 km (0.091 R)
• M24: 27,085,442 km (0.072 R)
• M25: 29,742,600 km (0.105 R)
• M26: 34,277,809 km (0.1 R)
• M27: 34,977,927 km (0.093 R)
• M28: 35,449,908 km (0.064 R)
• M29: 39,253,284 km (0.068 R)
• M30: 45,105,852 km (0.12 R)
• M31: 46,087,514 km (0.111 R)
• M32: 46,797,356 km (0.111 R)
• M33: 47,370,465 km (0.107 R)
• M34: 47,803,401 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392.2

Radius: 3.8

Gravity: 27.16 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.6 AU - 7.66 AU

Year: 11579 Days

Day: 23.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 85,471,406 km

• M1: 55,351 km (0.063 R)
• M2: 178,171 km (0.048 R)
• M3: 372,349 km (0.099 R)
• M4: 526,884 km (0.086 R)
• M5: 1,483,861 km (0.118 R)
• M6: 1,725,163 km (0.114 R)
• M7: 2,359,158 km (0.101 R)
• M8: 3,807,266 km (0.099 R)
• M9: 4,342,377 km (0.12 R)
• M10: 5,142,128 km (0.083 R)
• M11: 5,300,402 km (0.108 R)
• M12: 5,560,254 km (0.076 R)
• M13: 6,035,526 km (0.07 R)
• M14: 8,251,968 km (0.068 R)
• M15: 8,960,015 km (0.097 R)
• M16: 9,422,571 km (0.113 R)
• M17: 10,546,351 km (0.025 R)
• M18: 11,219,691 km (0.047 R)
• M19: 11,486,125 km (0.072 R)
• M20: 11,866,103 km (0.109 R)
• M21: 14,200,279 km (0.111 R)
• M22: 17,597,497 km (0.081 R)
• M23: 19,521,176 km (0.117 R)
• M24: 19,984,181 km (0.084 R)
• M25: 24,575,190 km (0.069 R)
• M26: 25,024,433 km (0.109 R)
• M27: 36,460,741 km (0.109 R)
• M28: 36,810,501 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.7

Radius: 3.4

Gravity: 83.71 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.85 AU - 8.69 AU

Year: 14690 Days

Day: 16.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,471,406 km

• M1: 42,935 km (0.073 R)
• M2: 232,924 km (0.108 R)
• M3: 606,320 km (0.059 R)
• M4: 1,291,478 km (0.091 R)
• M5: 2,796,433 km (0.12 R)
• M6: 3,256,147 km (0.066 R)
• M7: 3,675,919 km (0.103 R)
• M8: 6,040,164 km (0.092 R)
• M9: 6,163,133 km (0.109 R)
• M10: 6,628,382 km (0.119 R)
• M11: 8,776,907 km (0.119 R)
• M12: 12,306,070 km (0.061 R)
• M13: 12,503,839 km (0.112 R)
• M14: 16,278,193 km (0.098 R)
• M15: 27,286,053 km (0.115 R)
• M16: 28,075,182 km (0.097 R)
• M17: 35,605,789 km (0.093 R)
• M18: 37,093,091 km (0.065 R)
• M19: 47,377,346 km (0.116 R)
• M20: 48,680,045 km (0.115 R)
• M21: 49,340,220 km (0.05 R)
• M22: 55,195,032 km (0.061 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 816.6

Radius: 7.9

Gravity: 13.08 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 8.07 AU - 10.85 AU

Year: 19735 Days

Day: 22 Hours

Environment

Temp: -237 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 85,471,406 km

• M1: 100,380 km (0.118 R)
• M2: 937,081 km (0.078 R)
• M3: 1,469,799 km (0.119 R)
• M4: 1,908,420 km (0.077 R)
• M5: 2,715,201 km (0.072 R)
• M6: 3,464,088 km (0.082 R)
• M7: 3,762,686 km (0.118 R)
• M8: 6,537,128 km (0.103 R)
• M9: 7,088,695 km (0.074 R)
• M10: 8,443,154 km (0.109 R)
• M11: 14,123,834 km (0.106 R)
• M12: 15,044,908 km (0.072 R)
• M13: 15,680,849 km (0.118 R)
• M14: 16,334,592 km (0.082 R)
• M15: 16,921,464 km (0.091 R)
• M16: 17,262,996 km (0.053 R)
• M17: 20,936,521 km (0.073 R)
• M18: 21,330,263 km (0.081 R)
• M19: 22,541,258 km (0.061 R)
• M20: 23,904,244 km (0.119 R)
• M21: 30,032,221 km (0.118 R)
• M22: 37,274,254 km (0.105 R)
• M23: 38,584,582 km (0.12 R)
• M24: 57,739,692 km (0.108 R)
• M25: 63,307,874 km (0.11 R)
• M26: 78,298,030 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 714.9

Radius: 4.7

Gravity: 32.36 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 10.18 AU - 10.96 AU

Year: 23308 Days

Day: 24.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 85,471,406 km

• M1: 58,493 km (0.118 R)
• M2: 225,294 km (0.043 R)
• M3: 590,463 km (0.105 R)
• M4: 805,136 km (0.104 R)
• M5: 1,559,707 km (0.041 R)
• M6: 1,893,610 km (0.037 R)
• M7: 2,077,615 km (0.078 R)
• M8: 3,240,888 km (0.1 R)
• M9: 4,490,928 km (0.078 R)
• M10: 8,051,058 km (0.114 R)
• M11: 8,426,549 km (0.029 R)
• M12: 8,983,053 km (0.067 R)
• M13: 10,107,131 km (0.066 R)
• M14: 11,930,131 km (0.031 R)
• M15: 12,918,973 km (0.098 R)
• M16: 13,285,039 km (0.074 R)
• M17: 13,961,221 km (0.115 R)
• M18: 14,739,130 km (0.098 R)
• M19: 18,415,498 km (0.106 R)
• M20: 18,972,750 km (0.065 R)
• M21: 19,829,497 km (0.099 R)
• M22: 22,135,548 km (0.077 R)
• M23: 26,915,051 km (0.111 R)
• M24: 31,017,772 km (0.102 R)
• M25: 31,938,697 km (0.096 R)
• M26: 32,205,130 km (0.058 R)
• M27: 33,149,243 km (0.11 R)
• M28: 46,296,203 km (0.077 R)
• M29: 48,193,702 km (0.071 R)
• M30: 49,427,884 km (0.074 R)
• M31: 50,864,024 km (0.118 R)
• M32: 54,575,547 km (0.099 R)
• M33: 57,278,482 km (0.12 R)
• M34: 61,498,039 km (0.107 R)
• M35: 75,626,361 km (0.064 R)
• M36: 82,934,516 km (0.088 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 14,630 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit