🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.3

Radius: 12.5

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.8 AU - 0.8 AU

Year: 503 Days

Day: 10.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 89,205,443 km

• M1: 155,582 km (0.07 R)
• M2: 707,149 km (0.047 R)
• M3: 2,009,099 km (0.109 R)
• M4: 2,965,030 km (0.108 R)
• M5: 3,379,715 km (0.038 R)
• M6: 4,453,977 km (0.082 R)
• M7: 4,909,503 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.4

Radius: 12.3

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.81 AU - 0.95 AU

Year: 580 Days

Day: 12.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,205,443 km

• M1: 153,039 km (0.059 R)
• M2: 572,661 km (0.086 R)
• M3: 1,321,847 km (0.111 R)
• M4: 1,867,131 km (0.117 R)
• M5: 2,331,483 km (0.12 R)
• M6: 2,758,286 km (0.071 R)
• M7: 4,060,984 km (0.12 R)
• M8: 4,538,650 km (0.093 R)
• M9: 5,317,008 km (0.092 R)
• M10: 5,795,122 km (0.108 R)
• M11: 6,484,021 km (0.082 R)
• M12: 7,248,914 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.8

Radius: 10.4

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.88 AU - 1 AU

Year: 641 Days

Day: 9.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,205,443 km

• M1: 129,552 km (0.09 R)
• M2: 503,247 km (0.093 R)
• M3: 1,111,662 km (0.093 R)
• M4: 1,460,973 km (0.055 R)
• M5: 2,285,556 km (0.051 R)
• M6: 2,638,757 km (0.115 R)
• M7: 3,725,286 km (0.111 R)
• M8: 4,555,405 km (0.037 R)
• M9: 4,990,435 km (0.093 R)
• M10: 5,419,183 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.9

Radius: 8.1

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.93 AU - 1.23 AU

Year: 789 Days

Day: 7.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,205,443 km

• M1: 100,829 km (0.095 R)
• M2: 414,386 km (0.085 R)
• M3: 666,459 km (0.104 R)
• M4: 1,250,040 km (0.093 R)
• M5: 1,608,028 km (0.052 R)
• M6: 1,940,883 km (0.108 R)
• M7: 2,554,384 km (0.074 R)
• M8: 2,949,172 km (0.07 R)
• M9: 3,370,590 km (0.117 R)
• M10: 3,744,883 km (0.089 R)
• M11: 5,196,880 km (0.117 R)
• M12: 5,678,286 km (0.118 R)
• M13: 5,989,151 km (0.106 R)
• M14: 6,666,380 km (0.105 R)
• M15: 6,990,708 km (0.074 R)
• M16: 7,508,317 km (0.112 R)
• M17: 8,003,037 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442

Radius: 15

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.6 AU - 1.76 AU

Year: 1531 Days

Day: 12.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,205,443 km

• M1: 189,541 km (0.067 R)
• M2: 665,561 km (0.082 R)
• M3: 1,382,284 km (0.072 R)
• M4: 1,952,851 km (0.109 R)
• M5: 4,613,598 km (0.12 R)
• M6: 5,637,745 km (0.105 R)
• M7: 6,159,244 km (0.114 R)
• M8: 6,929,224 km (0.088 R)
• M9: 8,776,009 km (0.105 R)
• M10: 9,999,870 km (0.084 R)
• M11: 11,065,455 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.3

Radius: 11.6

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.8 AU - 2.04 AU

Year: 1870 Days

Day: 13.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,205,443 km

• M1: 144,212 km (0.113 R)
• M2: 538,852 km (0.102 R)
• M3: 929,751 km (0.077 R)
• M4: 1,434,195 km (0.108 R)
• M5: 2,022,114 km (0.038 R)
• M6: 2,649,378 km (0.095 R)
• M7: 3,136,918 km (0.092 R)
• M8: 3,612,190 km (0.115 R)
• M9: 5,380,886 km (0.098 R)
• M10: 6,535,333 km (0.087 R)
• M11: 7,314,737 km (0.079 R)
• M12: 8,124,062 km (0.081 R)
• M13: 8,502,545 km (0.092 R)
• M14: 9,465,955 km (0.084 R)
• M15: 10,537,824 km (0.117 R)
• M16: 11,335,031 km (0.057 R)
• M17: 12,921,815 km (0.092 R)
• M18: 13,790,829 km (0.052 R)
• M19: 14,605,839 km (0.067 R)
• M20: 15,025,161 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.4

Radius: 13.4

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.46 AU - 2.5 AU

Year: 2745 Days

Day: 14.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,205,443 km

• M1: 166,802 km (0.114 R)
• M2: 647,460 km (0.038 R)
• M3: 1,478,027 km (0.078 R)
• M4: 2,443,980 km (0.081 R)
• M5: 5,036,960 km (0.095 R)
• M6: 5,497,871 km (0.063 R)
• M7: 6,421,189 km (0.083 R)
• M8: 7,569,203 km (0.108 R)
• M9: 8,013,210 km (0.109 R)
• M10: 8,953,881 km (0.032 R)
• M11: 9,892,010 km (0.103 R)
• M12: 10,618,307 km (0.119 R)
• M13: 11,297,930 km (0.108 R)
• M14: 13,237,916 km (0.113 R)
• M15: 14,893,665 km (0.077 R)
• M16: 15,899,860 km (0.065 R)
• M17: 17,274,814 km (0.07 R)
• M18: 19,366,342 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.7

Radius: 9.8

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.99 AU - 5.25 AU

Year: 6980 Days

Day: 12.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,205,443 km

• M1: 121,922 km (0.036 R)
• M2: 473,028 km (0.119 R)
• M3: 1,166,115 km (0.064 R)
• M4: 1,576,911 km (0.087 R)
• M5: 2,010,895 km (0.098 R)
• M6: 2,660,598 km (0.083 R)
• M7: 4,016,404 km (0.092 R)
• M8: 5,350,517 km (0.106 R)
• M9: 6,529,797 km (0.062 R)
• M10: 8,947,299 km (0.116 R)
• M11: 10,466,765 km (0.099 R)
• M12: 11,101,808 km (0.097 R)
• M13: 11,762,432 km (0.031 R)
• M14: 12,299,488 km (0.119 R)
• M15: 12,853,000 km (0.061 R)
• M16: 14,613,468 km (0.09 R)
• M17: 22,744,711 km (0.04 R)
• M18: 26,784,152 km (0.08 R)
• M19: 29,193,576 km (0.085 R)
• M20: 30,542,051 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.3

Radius: 4.5

Gravity: 15.08 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 8.33 AU - 9.33 AU

Year: 18444 Days

Day: 19.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 89,205,443 km

• M1: 55,950 km (0.112 R)
• M2: 751,729 km (0.073 R)
• M3: 946,805 km (0.089 R)
• M4: 1,175,241 km (0.095 R)
• M5: 1,775,278 km (0.037 R)
• M6: 2,354,371 km (0.064 R)
• M7: 2,558,872 km (0.101 R)
• M8: 3,792,007 km (0.029 R)
• M9: 4,073,550 km (0.112 R)
• M10: 4,219,408 km (0.1 R)
• M11: 8,199,310 km (0.034 R)
• M12: 8,814,606 km (0.115 R)
• M13: 9,108,715 km (0.1 R)
• M14: 9,872,562 km (0.104 R)
• M15: 10,956,398 km (0.08 R)
• M16: 11,469,070 km (0.091 R)
• M17: 12,541,986 km (0.118 R)
• M18: 13,876,549 km (0.101 R)
• M19: 14,680,039 km (0.083 R)
• M20: 16,453,073 km (0.089 R)
• M21: 19,413,465 km (0.11 R)
• M22: 19,827,702 km (0.065 R)
• M23: 20,759,697 km (0.095 R)
• M24: 21,367,662 km (0.03 R)
• M25: 24,490,817 km (0.119 R)
• M26: 24,877,228 km (0.12 R)
• M27: 26,972,346 km (0.06 R)
• M28: 27,280,817 km (0.101 R)
• M29: 30,608,921 km (0.115 R)
• M30: 41,100,818 km (0.111 R)
• M31: 42,751,631 km (0.099 R)
• M32: 43,311,576 km (0.11 R)
• M33: 44,445,976 km (0.115 R)
• M34: 44,876,519 km (0.04 R)
• M35: 49,797,242 km (0.061 R)
• M36: 53,918,214 km (0.045 R)
• M37: 54,571,807 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901.7

Radius: 6.8

Gravity: 19.5 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 8.26 AU - 11.68 AU

Year: 22128 Days

Day: 23.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 89,205,443 km

• M1: 87,515 km (0.039 R)
• M2: 323,879 km (0.094 R)
• M3: 613,052 km (0.081 R)
• M4: 886,517 km (0.108 R)
• M5: 1,562,251 km (0.054 R)
• M6: 2,020,020 km (0.102 R)
• M7: 2,714,005 km (0.071 R)
• M8: 3,258,242 km (0.105 R)
• M9: 3,938,463 km (0.073 R)
• M10: 4,242,596 km (0.091 R)
• M11: 4,635,440 km (0.106 R)
• M12: 6,092,972 km (0.027 R)
• M13: 7,885,154 km (0.08 R)
• M14: 8,424,155 km (0.073 R)
• M15: 9,396,541 km (0.101 R)
• M16: 10,002,413 km (0.102 R)
• M17: 11,562,270 km (0.089 R)
• M18: 14,831,282 km (0.102 R)
• M19: 15,819,676 km (0.105 R)
• M20: 20,313,296 km (0.091 R)
• M21: 25,590,212 km (0.1 R)
• M22: 26,175,139 km (0.045 R)
• M23: 28,604,459 km (0.069 R)
• M24: 29,616,938 km (0.1 R)
• M25: 32,524,073 km (0.119 R)
• M26: 41,890,994 km (0.11 R)
• M27: 49,583,466 km (0.101 R)
• M28: 49,945,643 km (0.076 R)
• M29: 51,412,001 km (0.077 R)
• M30: 53,855,682 km (0.062 R)
• M31: 61,859,019 km (0.058 R)
• M32: 64,621,493 km (0.092 R)
• M33: 72,001,006 km (0.096 R)
• M34: 85,254,929 km (0.103 R)
• M35: 87,346,906 km (0.193 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: 212 - 13,762 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit