🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.7

Radius: 14.2

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.7 AU - 0.86 AU

Year: 452 Days

Day: 13 Hours

Environment

Temp: -141 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,237,185 km

• M1: 176,675 km (0.054 R)
• M2: 685,009 km (0.117 R)
• M3: 1,248,843 km (0.069 R)
• M4: 1,702,274 km (0.089 R)
• M5: 2,277,628 km (0.061 R)
• M6: 3,283,673 km (0.097 R)
• M7: 3,801,880 km (0.088 R)
• M8: 4,845,924 km (0.104 R)
• M9: 6,315,573 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.4

Radius: 10.6

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.13 AU - 1.47 AU

Year: 972 Days

Day: 9.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,237,185 km

• M1: 133,142 km (0.079 R)
• M2: 576,700 km (0.099 R)
• M3: 909,256 km (0.054 R)
• M4: 1,253,481 km (0.087 R)
• M5: 1,656,048 km (0.034 R)
• M6: 2,000,872 km (0.07 R)
• M7: 3,785,574 km (0.072 R)
• M8: 4,302,136 km (0.054 R)
• M9: 4,719,813 km (0.063 R)
• M10: 5,371,162 km (0.07 R)
• M11: 5,801,106 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.1

Radius: 13.7

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.23 AU - 1.47 AU

Year: 1029 Days

Day: 7.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,237,185 km

• M1: 180,714 km (0.081 R)
• M2: 699,520 km (0.099 R)
• M3: 1,198,877 km (0.1 R)
• M4: 2,252,046 km (0.099 R)
• M5: 3,121,060 km (0.081 R)
• M6: 4,009,672 km (0.052 R)
• M7: 4,715,325 km (0.059 R)
• M8: 5,601,842 km (0.115 R)
• M9: 6,310,487 km (0.075 R)
• M10: 7,932,427 km (0.117 R)
• M11: 8,827,172 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492

Radius: 12.4

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.39 AU - 3.59 AU

Year: 3392 Days

Day: 12.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,237,185 km

• M1: 164,109 km (0.025 R)
• M2: 562,039 km (0.119 R)
• M3: 1,153,699 km (0.037 R)
• M4: 1,678,638 km (0.047 R)
• M5: 2,347,191 km (0.071 R)
• M6: 3,001,232 km (0.092 R)
• M7: 3,602,018 km (0.072 R)
• M8: 4,475,519 km (0.117 R)
• M9: 5,165,016 km (0.11 R)
• M10: 5,663,327 km (0.056 R)
• M11: 6,499,130 km (0.052 R)
• M12: 6,932,365 km (0.105 R)
• M13: 7,571,148 km (0.057 R)
• M14: 8,018,595 km (0.1 R)
• M15: 8,619,829 km (0.078 R)
• M16: 12,132,238 km (0.094 R)
• M17: 12,970,734 km (0.101 R)
• M18: 15,667,535 km (0.107 R)
• M19: 16,502,291 km (0.112 R)
• M20: 17,753,677 km (0.108 R)
• M21: 19,658,357 km (0.054 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.1

Radius: 5.9

Gravity: 15.11 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.27 AU - 8.37 AU

Year: 11684 Days

Day: 19.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,237,185 km

• M1: 73,453 km (0.098 R)
• M2: 287,826 km (0.094 R)
• M3: 486,193 km (0.118 R)
• M4: 797,207 km (0.075 R)
• M5: 1,062,594 km (0.074 R)
• M6: 2,267,006 km (0.082 R)
• M7: 2,496,489 km (0.093 R)
• M8: 2,699,494 km (0.073 R)
• M9: 3,448,979 km (0.05 R)
• M10: 3,966,139 km (0.101 R)
• M11: 4,186,945 km (0.064 R)
• M12: 4,593,253 km (0.118 R)
• M13: 5,089,320 km (0.088 R)
• M14: 5,620,242 km (0.11 R)
• M15: 6,561,063 km (0.035 R)
• M16: 8,251,370 km (0.04 R)
• M17: 9,172,893 km (0.078 R)
• M18: 11,109,587 km (0.114 R)
• M19: 12,879,030 km (0.108 R)
• M20: 14,051,878 km (0.111 R)
• M21: 15,093,378 km (0.113 R)
• M22: 17,110,406 km (0.114 R)
• M23: 17,402,122 km (0.078 R)
• M24: 18,755,683 km (0.057 R)
• M25: 19,379,357 km (0.109 R)
• M26: 21,417,030 km (0.063 R)
• M27: 25,437,323 km (0.116 R)
• M28: 27,474,547 km (0.044 R)
• M29: 28,075,930 km (0.118 R)
• M30: 29,617,985 km (0.108 R)
• M31: 33,661,466 km (0.054 R)
• M32: 35,165,223 km (0.099 R)
• M33: 35,518,424 km (0.103 R)
• M34: 36,955,312 km (0.116 R)
• M35: 43,225,108 km (0.111 R)
• M36: 43,902,188 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 843.1

Radius: 3.6

Gravity: 65.05 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.38 AU - 8.88 AU

Year: 12489 Days

Day: 18.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,237,185 km

• M1: 44,730 km (0.062 R)
• M2: 332,107 km (0.098 R)
• M3: 778,507 km (0.061 R)
• M4: 909,555 km (0.111 R)
• M5: 1,408,314 km (0.032 R)
• M6: 1,652,009 km (0.103 R)
• M7: 1,801,158 km (0.08 R)
• M8: 2,184,129 km (0.03 R)
• M9: 3,209,174 km (0.102 R)
• M10: 3,999,349 km (0.101 R)
• M11: 4,177,670 km (0.097 R)
• M12: 4,646,959 km (0.089 R)
• M13: 5,578,654 km (0.118 R)
• M14: 6,424,630 km (0.04 R)
• M15: 7,441,447 km (0.078 R)
• M16: 8,271,117 km (0.084 R)
• M17: 8,609,806 km (0.046 R)
• M18: 12,775,060 km (0.08 R)
• M19: 13,891,808 km (0.094 R)
• M20: 15,000,926 km (0.093 R)
• M21: 17,949,052 km (0.059 R)
• M22: 18,598,007 km (0.071 R)
• M23: 19,262,671 km (0.111 R)
• M24: 19,856,873 km (0.107 R)
• M25: 20,201,996 km (0.069 R)
• M26: 23,778,432 km (0.099 R)
• M27: 25,971,088 km (0.113 R)
• M28: 29,172,782 km (0.062 R)
• M29: 32,508,515 km (0.09 R)
• M30: 32,747,423 km (0.086 R)
• M31: 35,580,806 km (0.065 R)
• M32: 38,041,093 km (0.117 R)
• M33: 39,516,128 km (0.072 R)
• M34: 39,788,246 km (0.091 R)
• M35: 55,220,314 km (0.052 R)
• M36: 59,040,146 km (0.056 R)
• M37: 59,217,868 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.6

Radius: 6.6

Gravity: 19.07 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 7.41 AU - 9.39 AU

Year: 15971 Days

Day: 17.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 60,237,185 km

• M1: 82,129 km (0.108 R)
• M2: 389,702 km (0.109 R)
• M3: 691,890 km (0.094 R)
• M4: 1,010,683 km (0.045 R)
• M5: 1,470,397 km (0.086 R)
• M6: 1,818,811 km (0.088 R)
• M7: 2,262,369 km (0.077 R)
• M8: 2,498,883 km (0.12 R)
• M9: 3,282,626 km (0.118 R)
• M10: 4,062,779 km (0.051 R)
• M11: 4,579,939 km (0.099 R)
• M12: 5,031,724 km (0.114 R)
• M13: 5,666,917 km (0.114 R)
• M14: 7,700,401 km (0.109 R)
• M15: 8,853,950 km (0.096 R)
• M16: 9,065,631 km (0.113 R)
• M17: 9,280,753 km (0.119 R)
• M18: 11,498,691 km (0.085 R)
• M19: 11,814,641 km (0.055 R)
• M20: 12,663,310 km (0.037 R)
• M21: 14,118,897 km (0.061 R)
• M22: 14,998,982 km (0.107 R)
• M23: 15,300,272 km (0.107 R)
• M24: 15,529,007 km (0.044 R)
• M25: 18,887,030 km (0.041 R)
• M26: 19,594,329 km (0.045 R)
• M27: 20,967,937 km (0.109 R)
• M28: 25,259,750 km (0.082 R)
• M29: 27,106,536 km (0.112 R)
• M30: 28,925,347 km (0.106 R)
• M31: 38,824,836 km (0.083 R)
• M32: 42,019,648 km (0.092 R)
• M33: 42,920,377 km (0.076 R)
• M34: 43,375,603 km (0.092 R)
• M35: 47,133,652 km (0.094 R)
• M36: 47,942,976 km (0.102 R)
• M37: 50,764,093 km (0.092 R)
• M38: 51,785,697 km (0.106 R)
• M39: 52,474,296 km (0.099 R)
• M40: 55,648,762 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.4

Radius: 3.6

Gravity: 37.15 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 6.87 AU - 10.51 AU

Year: 16805 Days

Day: 19.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,237,185 km

• M1: 59,091 km (0.11 R)
• M2: 277,654 km (0.042 R)
• M3: 610,210 km (0.037 R)
• M4: 1,007,990 km (0.074 R)
• M5: 1,242,710 km (0.115 R)
• M6: 1,837,959 km (0.077 R)
• M7: 3,295,791 km (0.049 R)
• M8: 3,642,858 km (0.091 R)
• M9: 5,137,340 km (0.103 R)
• M10: 5,752,188 km (0.06 R)
• M11: 9,950,502 km (0.105 R)
• M12: 12,470,030 km (0.093 R)
• M13: 14,669,717 km (0.116 R)
• M14: 15,823,864 km (0.104 R)
• M15: 25,846,922 km (0.055 R)
• M16: 26,259,812 km (0.077 R)
• M17: 26,467,753 km (0.096 R)
• M18: 26,887,225 km (0.093 R)
• M19: 27,739,335 km (0.117 R)
• M20: 33,354,491 km (0.106 R)
• M21: 40,368,985 km (0.065 R)
• M22: 41,064,167 km (0.072 R)
• M23: 47,684,172 km (0.104 R)
• M24: 54,641,669 km (0.035 R)
• M25: 55,491,984 km (0.119 R)
• M26: 58,626,508 km (0.11 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 19,754 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit