🌌 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: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.9

Radius: 10.4

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.47 AU - 0.63 AU

Year: 272 Days

Day: 10.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,041,381 km

• M1: 129,402 km (0.113 R)
• M2: 475,123 km (0.034 R)
• M3: 821,592 km (0.052 R)
• M4: 1,153,400 km (0.099 R)
• M5: 1,542,354 km (0.111 R)
• M6: 1,943,426 km (0.074 R)
• M7: 2,719,839 km (0.053 R)
• M8: 3,070,496 km (0.066 R)
• M9: 3,564,768 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.3

Radius: 9.2

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.57 AU - 0.63 AU

Year: 310 Days

Day: 8.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,041,381 km

• M1: 114,592 km (0.077 R)
• M2: 420,370 km (0.102 R)
• M3: 762,650 km (0.117 R)
• M4: 1,214,286 km (0.092 R)
• M5: 1,549,684 km (0.095 R)
• M6: 1,947,315 km (0.046 R)
• M7: 2,412,266 km (0.047 R)
• M8: 2,794,039 km (0.063 R)
• M9: 3,132,430 km (0.071 R)
• M10: 3,442,546 km (0.034 R)
• M11: 3,749,671 km (0.081 R)
• M12: 4,498,857 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750

Radius: 14.4

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.27 AU - 1.33 AU

Year: 988 Days

Day: 7 Hours

Environment

Temp: -186 °C

Axial Tilt: 113.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,041,381 km

• M1: 213,476 km (0.099 R)
• M2: 683,961 km (0.114 R)
• M3: 1,400,535 km (0.081 R)
• M4: 1,850,526 km (0.066 R)
• M5: 2,322,208 km (0.103 R)
• M6: 2,939,149 km (0.064 R)
• M7: 3,604,561 km (0.053 R)
• M8: 5,336,904 km (0.059 R)
• M9: 6,223,421 km (0.113 R)
• M10: 7,086,750 km (0.08 R)
• M11: 7,672,276 km (0.081 R)
• M12: 9,108,715 km (0.075 R)
• M13: 9,801,952 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.7

Radius: 10.8

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.37 AU - 1.83 AU

Year: 1350 Days

Day: 10.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,041,381 km

• M1: 134,339 km (0.112 R)
• M2: 492,177 km (0.059 R)
• M3: 868,864 km (0.052 R)
• M4: 1,280,707 km (0.075 R)
• M5: 1,718,132 km (0.088 R)
• M6: 2,176,499 km (0.118 R)
• M7: 2,664,188 km (0.062 R)
• M8: 3,052,545 km (0.111 R)
• M9: 3,463,191 km (0.076 R)
• M10: 3,944,148 km (0.1 R)
• M11: 4,561,389 km (0.114 R)
• M12: 5,469,298 km (0.035 R)
• M13: 8,516,008 km (0.09 R)
• M14: 9,547,785 km (0.12 R)
• M15: 9,920,134 km (0.115 R)
• M16: 10,661,092 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.8

Radius: 15

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.39 AU - 1.97 AU

Year: 1452 Days

Day: 13.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,041,381 km

• M1: 186,997 km (0.076 R)
• M2: 703,559 km (0.087 R)
• M3: 1,230,143 km (0.099 R)
• M4: 1,698,534 km (0.107 R)
• M5: 2,166,776 km (0.076 R)
• M6: 2,818,573 km (0.098 R)
• M7: 3,374,479 km (0.061 R)
• M8: 4,241,100 km (0.1 R)
• M9: 4,780,250 km (0.054 R)
• M10: 5,675,444 km (0.082 R)
• M11: 6,769,004 km (0.049 R)
• M12: 7,485,129 km (0.095 R)
• M13: 8,251,519 km (0.082 R)
• M14: 8,800,095 km (0.081 R)
• M15: 9,317,255 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.1

Radius: 13.9

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.42 AU - 2.16 AU

Year: 1597 Days

Day: 9.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,041,381 km

• M1: 175,478 km (0.109 R)
• M2: 616,792 km (0.069 R)
• M3: 1,076,506 km (0.112 R)
• M4: 1,888,224 km (0.092 R)
• M5: 2,383,094 km (0.088 R)
• M6: 2,866,445 km (0.109 R)
• M7: 4,196,220 km (0.089 R)
• M8: 6,090,728 km (0.074 R)
• M9: 7,031,399 km (0.117 R)
• M10: 7,536,890 km (0.055 R)
• M11: 8,355,490 km (0.096 R)
• M12: 9,742,262 km (0.117 R)
• M13: 10,338,110 km (0.119 R)
• M14: 12,009,268 km (0.1 R)
• M15: 12,968,639 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.5

Radius: 13.4

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.35 AU - 4.35 AU

Year: 5038 Days

Day: 8.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 112.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,041,381 km

• M1: 166,652 km (0.102 R)
• M2: 621,729 km (0.12 R)
• M3: 1,222,663 km (0.059 R)
• M4: 1,823,897 km (0.071 R)
• M5: 2,263,416 km (0.073 R)
• M6: 3,506,724 km (0.047 R)
• M7: 4,102,722 km (0.105 R)
• M8: 5,499,068 km (0.057 R)
• M9: 6,244,215 km (0.072 R)
• M10: 7,646,994 km (0.075 R)
• M11: 8,653,788 km (0.118 R)
• M12: 9,169,302 km (0.105 R)
• M13: 10,704,625 km (0.106 R)
• M14: 11,392,775 km (0.088 R)
• M15: 12,012,709 km (0.057 R)
• M16: 13,477,123 km (0.057 R)
• M17: 16,758,402 km (0.087 R)
• M18: 18,195,888 km (0.044 R)
• M19: 19,110,230 km (0.064 R)
• M20: 25,898,234 km (0.077 R)
• M21: 29,294,704 km (0.029 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.8

Radius: 9.1

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.17 AU - 5.09 AU

Year: 5597 Days

Day: 13.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,041,381 km

• M1: 113,096 km (0.082 R)
• M2: 468,241 km (0.115 R)
• M3: 896,241 km (0.12 R)
• M4: 1,280,707 km (0.074 R)
• M5: 1,576,762 km (0.109 R)
• M6: 2,652,520 km (0.117 R)
• M7: 3,218,299 km (0.048 R)
• M8: 4,157,175 km (0.099 R)
• M9: 5,603,338 km (0.117 R)
• M10: 6,285,055 km (0.115 R)
• M11: 6,758,832 km (0.111 R)
• M12: 7,358,719 km (0.109 R)
• M13: 9,865,232 km (0.094 R)
• M14: 10,549,343 km (0.077 R)
• M15: 11,727,875 km (0.085 R)
• M16: 13,398,883 km (0.087 R)
• M17: 14,779,522 km (0.089 R)
• M18: 15,561,021 km (0.088 R)
• M19: 16,546,871 km (0.087 R)
• M20: 19,687,229 km (0.068 R)
• M21: 20,021,581 km (0.116 R)
• M22: 21,679,873 km (0.112 R)
• M23: 22,982,272 km (0.107 R)
• M24: 27,367,135 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923.9

Radius: 7.4

Gravity: 16.87 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.54 AU - 6.68 AU

Year: 10071 Days

Day: 17.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,041,381 km

• M1: 576,999 km (0.106 R)
• M2: 1,069,475 km (0.054 R)
• M3: 1,347,727 km (0.101 R)
• M4: 2,143,139 km (0.06 R)
• M5: 4,315,450 km (0.083 R)
• M6: 7,604,209 km (0.074 R)
• M7: 8,090,103 km (0.075 R)
• M8: 9,723,712 km (0.071 R)
• M9: 11,225,076 km (0.117 R)
• M10: 11,508,564 km (0.059 R)
• M11: 15,019,177 km (0.073 R)
• M12: 16,428,838 km (0.062 R)
• M13: 16,868,357 km (0.106 R)
• M14: 18,468,605 km (0.108 R)
• M15: 19,265,214 km (0.05 R)
• M16: 20,502,687 km (0.119 R)
• M17: 20,756,405 km (0.092 R)
• M18: 26,782,507 km (0.109 R)
• M19: 27,699,243 km (0.076 R)
• M20: 28,321,869 km (0.105 R)
• M21: 31,463,873 km (0.085 R)
• M22: 36,291,546 km (0.046 R)
• M23: 40,385,890 km (0.104 R)
• M24: 42,957,029 km (0.102 R)
• M25: 46,795,710 km (0.088 R)
• M26: 50,856,843 km (0.119 R)
• M27: 52,893,469 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 160.6

Radius: 3.1

Gravity: 16.71 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 9.49 AU - 10.69 AU

Year: 21373 Days

Day: 16.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,041,381 km

• M1: 51,462 km (0.085 R)
• M2: 181,911 km (0.107 R)
• M3: 359,035 km (0.036 R)
• M4: 567,425 km (0.09 R)
• M5: 919,877 km (0.108 R)
• M6: 1,348,475 km (0.053 R)
• M7: 2,139,549 km (0.08 R)
• M8: 4,684,957 km (0.113 R)
• M9: 5,158,733 km (0.104 R)
• M10: 6,889,132 km (0.092 R)
• M11: 7,210,767 km (0.071 R)
• M12: 8,552,361 km (0.077 R)
• M13: 8,830,014 km (0.118 R)
• M14: 11,052,291 km (0.099 R)
• M15: 15,378,661 km (0.075 R)
• M16: 15,514,646 km (0.076 R)
• M17: 15,651,378 km (0.081 R)
• M18: 16,918,622 km (0.077 R)
• M19: 22,672,455 km (0.114 R)
• M20: 23,472,355 km (0.075 R)
• M21: 25,792,318 km (0.074 R)
• M22: 36,722,687 km (0.064 R)
• M23: 37,577,639 km (0.111 R)
• M24: 42,987,995 km (0.088 R)
• M25: 43,122,783 km (0.1 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 19,154 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit