🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.4

Radius: 10.9

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.63 AU - 0.83 AU

Year: 438 Days

Day: 8.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,484,125 km

• M1: 135,536 km (0.084 R)
• M2: 552,914 km (0.026 R)
• M3: 1,344,885 km (0.098 R)
• M4: 1,786,199 km (0.046 R)
• M5: 2,394,912 km (0.106 R)
• M6: 3,213,811 km (0.064 R)
• M7: 3,628,347 km (0.1 R)
• M8: 4,104,666 km (0.093 R)
• M9: 4,882,575 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.8

Radius: 12.7

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.75 AU - 1.23 AU

Year: 692 Days

Day: 8.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,484,125 km

• M1: 157,975 km (0.118 R)
• M2: 558,150 km (0.034 R)
• M3: 954,135 km (0.117 R)
• M4: 1,720,824 km (0.082 R)
• M5: 2,418,549 km (0.047 R)
• M6: 3,249,415 km (0.071 R)
• M7: 4,440,364 km (0.102 R)
• M8: 6,050,785 km (0.118 R)
• M9: 6,886,888 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.8

Radius: 14.4

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.96 AU - 1.32 AU

Year: 856 Days

Day: 12.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 83,484,125 km

• M1: 180,116 km (0.044 R)
• M2: 2,274,187 km (0.116 R)
• M3: 4,063,677 km (0.057 R)
• M4: 4,522,493 km (0.064 R)
• M5: 6,505,712 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.5

Radius: 10.5

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.33 AU - 1.73 AU

Year: 1330 Days

Day: 14.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,484,125 km

• M1: 349,012 km (0.092 R)
• M2: 740,509 km (0.076 R)
• M3: 1,141,731 km (0.037 R)
• M4: 1,537,268 km (0.102 R)
• M5: 3,488,024 km (0.052 R)
• M6: 4,024,033 km (0.106 R)
• M7: 5,674,098 km (0.098 R)
• M8: 6,068,138 km (0.069 R)
• M9: 6,801,617 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.5

Radius: 9.9

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.5 AU - 2.4 AU

Year: 1914 Days

Day: 7 Hours

Environment

Temp: -207 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,484,125 km

• M1: 123,119 km (0.05 R)
• M2: 484,548 km (0.046 R)
• M3: 1,193,492 km (0.07 R)
• M4: 1,609,523 km (0.118 R)
• M5: 3,000,185 km (0.078 R)
• M6: 3,325,860 km (0.095 R)
• M7: 4,331,756 km (0.093 R)
• M8: 5,260,160 km (0.026 R)
• M9: 5,620,542 km (0.078 R)
• M10: 6,492,099 km (0.098 R)
• M11: 7,619,917 km (0.049 R)
• M12: 9,255,919 km (0.086 R)
• M13: 10,259,871 km (0.096 R)
• M14: 11,861,466 km (0.053 R)
• M15: 12,882,770 km (0.087 R)
• M16: 14,132,960 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.8

Radius: 8.3

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.86 AU - 2.7 AU

Year: 2420 Days

Day: 13.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,484,125 km

• M1: 103,223 km (0.034 R)
• M2: 541,694 km (0.112 R)
• M3: 952,789 km (0.065 R)
• M4: 1,243,009 km (0.11 R)
• M5: 1,894,657 km (0.1 R)
• M6: 2,234,992 km (0.057 R)
• M7: 2,601,956 km (0.114 R)
• M8: 5,502,359 km (0.103 R)
• M9: 5,977,033 km (0.096 R)
• M10: 7,339,720 km (0.093 R)
• M11: 10,774,936 km (0.096 R)
• M12: 12,098,129 km (0.091 R)
• M13: 14,927,324 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.3

Radius: 12.7

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.2 AU - 5.48 AU

Year: 7485 Days

Day: 6.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,484,125 km

• M1: 160,519 km (0.083 R)
• M2: 661,671 km (0.08 R)
• M3: 1,080,695 km (0.114 R)
• M4: 1,528,741 km (0.098 R)
• M5: 2,191,310 km (0.092 R)
• M6: 3,820,730 km (0.069 R)
• M7: 10,009,444 km (0.083 R)
• M8: 12,570,111 km (0.058 R)
• M9: 13,285,936 km (0.043 R)
• M10: 15,424,288 km (0.09 R)
• M11: 16,007,720 km (0.036 R)
• M12: 19,081,807 km (0.109 R)
• M13: 19,686,332 km (0.072 R)
• M14: 20,373,136 km (0.109 R)
• M15: 23,281,169 km (0.064 R)
• M16: 23,971,712 km (0.053 R)
• M17: 24,675,870 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 960

Radius: 6.5

Gravity: 22.72 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.06 AU - 7.58 AU

Year: 12519 Days

Day: 21.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 83,484,125 km

• M1: 82,129 km (0.057 R)
• M2: 286,630 km (0.117 R)
• M3: 665,411 km (0.105 R)
• M4: 1,432,250 km (0.08 R)
• M5: 1,646,175 km (0.062 R)
• M6: 1,934,600 km (0.1 R)
• M7: 2,256,684 km (0.048 R)
• M8: 3,886,852 km (0.103 R)
• M9: 4,790,722 km (0.099 R)
• M10: 5,601,543 km (0.079 R)
• M11: 6,020,118 km (0.065 R)
• M12: 7,005,818 km (0.094 R)
• M13: 7,401,953 km (0.099 R)
• M14: 8,982,903 km (0.097 R)
• M15: 9,717,130 km (0.097 R)
• M16: 10,265,555 km (0.066 R)
• M17: 12,348,257 km (0.089 R)
• M18: 14,136,101 km (0.093 R)
• M19: 14,983,424 km (0.104 R)
• M20: 16,165,247 km (0.11 R)
• M21: 16,624,063 km (0.084 R)
• M22: 20,970,929 km (0.118 R)
• M23: 21,700,667 km (0.083 R)
• M24: 24,688,735 km (0.07 R)
• M25: 26,228,396 km (0.088 R)
• M26: 28,379,464 km (0.099 R)
• M27: 29,271,815 km (0.084 R)
• M28: 33,029,115 km (0.077 R)
• M29: 41,058,183 km (0.093 R)
• M30: 43,214,487 km (0.083 R)
• M31: 46,665,560 km (0.102 R)
• M32: 47,595,161 km (0.068 R)
• M33: 48,537,179 km (0.101 R)
• M34: 56,874,717 km (0.06 R)
• M35: 59,188,996 km (0.11 R)
• M36: 61,565,209 km (0.048 R)
• M37: 61,936,361 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 694.1

Radius: 5.6

Gravity: 22.13 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.4 AU - 8.62 AU

Year: 13046 Days

Day: 17.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 83,484,125 km

• M1: 78,688 km (0.115 R)
• M2: 632,350 km (0.073 R)
• M3: 863,329 km (0.103 R)
• M4: 1,162,375 km (0.116 R)
• M5: 1,528,591 km (0.072 R)
• M6: 2,132,817 km (0.085 R)
• M7: 3,501,637 km (0.066 R)
• M8: 4,055,598 km (0.039 R)
• M9: 4,292,860 km (0.114 R)
• M10: 4,993,727 km (0.113 R)
• M11: 5,442,071 km (0.095 R)
• M12: 7,775,499 km (0.09 R)
• M13: 10,814,430 km (0.118 R)
• M14: 12,285,725 km (0.1 R)
• M15: 12,973,427 km (0.05 R)
• M16: 14,086,435 km (0.054 R)
• M17: 15,547,258 km (0.068 R)
• M18: 17,029,773 km (0.077 R)
• M19: 19,343,154 km (0.115 R)
• M20: 21,232,127 km (0.112 R)
• M21: 21,677,928 km (0.093 R)
• M22: 23,240,478 km (0.027 R)
• M23: 28,591,893 km (0.067 R)
• M24: 31,379,051 km (0.075 R)
• M25: 33,254,709 km (0.079 R)
• M26: 34,832,817 km (0.062 R)
• M27: 36,970,870 km (0.119 R)
• M28: 40,407,582 km (0.092 R)
• M29: 46,548,574 km (0.077 R)
• M30: 56,625,487 km (0.072 R)
• M31: 56,967,168 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.6

Radius: 6.1

Gravity: 20.23 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 8.66 AU - 11.16 AU

Year: 21929 Days

Day: 16 Hours

Environment

Temp: -237 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,484,125 km

• M1: 75,996 km (0.031 R)
• M2: 290,369 km (0.091 R)
• M3: 515,215 km (0.076 R)
• M4: 870,660 km (0.086 R)
• M5: 1,117,346 km (0.059 R)
• M6: 1,558,810 km (0.094 R)
• M7: 2,834,730 km (0.083 R)
• M8: 3,100,565 km (0.108 R)
• M9: 3,412,327 km (0.057 R)
• M10: 6,123,938 km (0.086 R)
• M11: 7,475,555 km (0.051 R)
• M12: 10,315,372 km (0.117 R)
• M13: 12,563,828 km (0.082 R)
• M14: 14,257,874 km (0.049 R)
• M15: 15,360,410 km (0.105 R)
• M16: 16,774,260 km (0.116 R)
• M17: 17,032,615 km (0.096 R)
• M18: 17,912,550 km (0.096 R)
• M19: 19,194,753 km (0.083 R)
• M20: 19,572,189 km (0.074 R)
• M21: 20,341,570 km (0.059 R)
• M22: 20,733,816 km (0.055 R)
• M23: 21,838,447 km (0.089 R)
• M24: 24,826,515 km (0.099 R)
• M25: 28,076,229 km (0.084 R)
• M26: 34,149,753 km (0.111 R)
• M27: 34,843,139 km (0.088 R)
• M28: 38,006,386 km (0.096 R)
• M29: 43,911,762 km (0.097 R)
• M30: 46,740,808 km (0.113 R)
• M31: 48,634,717 km (0.098 R)
• M32: 50,043,779 km (0.066 R)
• M33: 60,073,419 km (0.061 R)
• M34: 71,362,373 km (0.119 R)
• M35: 78,579,124 km (0.077 R)
• M36: 78,819,677 km (0.17 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: 157 - 12,623 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit