🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.7

Radius: 9.4

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.45 AU - 0.63 AU

Year: 269 Days

Day: 14.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,474,460 km

• M1: 116,836 km (0.096 R)
• M2: 435,479 km (0.066 R)
• M3: 1,016,218 km (0.114 R)
• M4: 1,349,971 km (0.081 R)
• M5: 1,677,591 km (0.036 R)
• M6: 2,174,405 km (0.115 R)
• M7: 2,540,621 km (0.079 R)
• M8: 2,977,147 km (0.095 R)
• M9: 4,247,084 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167

Radius: 10.8

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.72 AU - 0.84 AU

Year: 467 Days

Day: 11.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,474,460 km

• M1: 134,339 km (0.096 R)
• M2: 499,358 km (0.108 R)
• M3: 1,010,833 km (0.078 R)
• M4: 1,487,900 km (0.093 R)
• M5: 1,879,996 km (0.096 R)
• M6: 2,286,304 km (0.099 R)
• M7: 3,269,013 km (0.093 R)
• M8: 3,718,255 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.8

Radius: 14.1

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.3 AU - 1.4 AU

Year: 1064 Days

Day: 14.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,474,460 km

• M1: 175,478 km (0.104 R)
• M2: 721,959 km (0.036 R)
• M3: 1,239,269 km (0.076 R)
• M4: 1,742,815 km (0.04 R)
• M5: 2,350,332 km (0.115 R)
• M6: 4,182,158 km (0.103 R)
• M7: 4,972,932 km (0.118 R)
• M8: 6,782,618 km (0.063 R)
• M9: 8,548,322 km (0.04 R)
• M10: 9,287,485 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.3

Radius: 8

Gravity: 11.29 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.52 AU - 2.5 AU

Year: 1933 Days

Day: 9.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,474,460 km

• M1: 99,483 km (0.051 R)
• M2: 494,870 km (0.079 R)
• M3: 759,359 km (0.068 R)
• M4: 1,010,234 km (0.055 R)
• M5: 1,308,981 km (0.079 R)
• M6: 1,847,683 km (0.112 R)
• M7: 2,174,704 km (0.114 R)
• M8: 3,361,315 km (0.096 R)
• M9: 4,152,687 km (0.091 R)
• M10: 4,592,355 km (0.12 R)
• M11: 5,517,618 km (0.057 R)
• M12: 6,124,537 km (0.091 R)
• M13: 6,535,781 km (0.034 R)
• M14: 8,906,908 km (0.079 R)
• M15: 9,638,591 km (0.091 R)
• M16: 10,700,137 km (0.114 R)
• M17: 11,070,841 km (0.096 R)
• M18: 11,411,625 km (0.032 R)
• M19: 11,837,829 km (0.117 R)
• M20: 13,649,160 km (0.12 R)
• M21: 14,129,369 km (0.026 R)
• M22: 16,163,751 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.9

Radius: 12.4

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.37 AU - 3.01 AU

Year: 2992 Days

Day: 10.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,474,460 km

• M1: 154,535 km (0.066 R)
• M2: 662,719 km (0.091 R)
• M3: 1,390,662 km (0.082 R)
• M4: 2,001,320 km (0.109 R)
• M5: 2,473,302 km (0.048 R)
• M6: 4,552,562 km (0.09 R)
• M7: 7,134,173 km (0.072 R)
• M8: 12,325,369 km (0.062 R)
• M9: 12,723,149 km (0.095 R)
• M10: 13,586,329 km (0.114 R)
• M11: 15,156,508 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.8

Radius: 10.2

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.42 AU - 3.56 AU

Year: 4422 Days

Day: 12.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,474,460 km

• M1: 127,009 km (0.031 R)
• M2: 471,084 km (0.108 R)
• M3: 833,111 km (0.1 R)
• M4: 1,345,184 km (0.085 R)
• M5: 2,131,171 km (0.089 R)
• M6: 2,502,324 km (0.065 R)
• M7: 2,826,502 km (0.064 R)
• M8: 3,316,286 km (0.072 R)
• M9: 3,996,208 km (0.118 R)
• M10: 4,442,159 km (0.083 R)
• M11: 5,026,488 km (0.048 R)
• M12: 5,518,815 km (0.085 R)
• M13: 7,157,660 km (0.083 R)
• M14: 8,366,560 km (0.117 R)
• M15: 8,708,242 km (0.085 R)
• M16: 11,599,968 km (0.09 R)
• M17: 12,412,435 km (0.107 R)
• M18: 12,807,672 km (0.109 R)
• M19: 13,262,300 km (0.1 R)
• M20: 14,257,425 km (0.051 R)
• M21: 16,752,568 km (0.064 R)
• M22: 17,357,691 km (0.081 R)
• M23: 19,326,998 km (0.101 R)
• M24: 20,263,480 km (0.045 R)
• M25: 26,042,446 km (0.104 R)
• M26: 26,365,278 km (0.107 R)
• M27: 27,267,204 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.4

Radius: 12.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.16 AU - 4.2 AU

Year: 4788 Days

Day: 12 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,474,460 km

• M1: 156,779 km (0.119 R)
• M2: 596,596 km (0.117 R)
• M3: 1,163,273 km (0.102 R)
• M4: 1,676,394 km (0.12 R)
• M5: 2,164,831 km (0.09 R)
• M6: 2,879,759 km (0.115 R)
• M7: 3,485,182 km (0.095 R)
• M8: 3,965,989 km (0.025 R)
• M9: 11,371,383 km (0.072 R)
• M10: 12,722,102 km (0.115 R)
• M11: 13,738,171 km (0.088 R)
• M12: 15,222,631 km (0.104 R)
• M13: 15,645,394 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.5

Radius: 10.7

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.53 AU - 4.87 AU

Year: 5838 Days

Day: 8.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,474,460 km

• M1: 133,292 km (0.029 R)
• M2: 505,192 km (0.051 R)
• M3: 1,173,894 km (0.037 R)
• M4: 2,101,252 km (0.102 R)
• M5: 2,502,473 km (0.107 R)
• M6: 3,110,589 km (0.096 R)
• M7: 3,525,573 km (0.089 R)
• M8: 4,144,459 km (0.114 R)
• M9: 4,727,442 km (0.108 R)
• M10: 5,599,149 km (0.066 R)
• M11: 6,026,550 km (0.036 R)
• M12: 8,499,553 km (0.099 R)
• M13: 9,442,019 km (0.064 R)
• M14: 10,589,734 km (0.108 R)
• M15: 12,740,203 km (0.059 R)
• M16: 13,589,919 km (0.088 R)
• M17: 18,749,101 km (0.062 R)
• M18: 19,847,897 km (0.056 R)
• M19: 20,199,901 km (0.113 R)
• M20: 20,916,475 km (0.107 R)
• M21: 22,936,196 km (0.115 R)
• M22: 24,433,072 km (0.094 R)
• M23: 26,162,274 km (0.074 R)
• M24: 26,671,056 km (0.06 R)
• M25: 27,708,218 km (0.11 R)
• M26: 29,955,178 km (0.086 R)
• M27: 30,511,982 km (0.098 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.7

Radius: 10.7

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.04 AU - 5.8 AU

Year: 7402 Days

Day: 9 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,474,460 km

• M1: 133,740 km (0.03 R)
• M2: 502,649 km (0.107 R)
• M3: 1,332,767 km (0.1 R)
• M4: 3,489,819 km (0.098 R)
• M5: 4,052,158 km (0.079 R)
• M6: 5,709,253 km (0.074 R)
• M7: 7,421,850 km (0.062 R)
• M8: 8,438,367 km (0.075 R)
• M9: 12,483,045 km (0.12 R)
• M10: 18,879,401 km (0.113 R)
• M11: 20,378,372 km (0.108 R)
• M12: 21,156,879 km (0.104 R)
• M13: 23,527,108 km (0.109 R)
• M14: 26,801,506 km (0.116 R)
• M15: 28,020,579 km (0.089 R)
• M16: 35,116,903 km (0.041 R)
• M17: 39,855,117 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 337.5

Radius: 4.2

Gravity: 19.13 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 5.72 AU - 9.36 AU

Year: 14043 Days

Day: 21.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 47,474,460 km

• M1: 52,210 km (0.043 R)
• M2: 228,885 km (0.032 R)
• M3: 377,435 km (0.115 R)
• M4: 585,227 km (0.079 R)
• M5: 1,060,200 km (0.094 R)
• M6: 1,411,007 km (0.062 R)
• M7: 1,899,743 km (0.115 R)
• M8: 2,173,807 km (0.075 R)
• M9: 2,377,260 km (0.116 R)
• M10: 2,613,475 km (0.091 R)
• M11: 2,974,903 km (0.097 R)
• M12: 3,466,183 km (0.095 R)
• M13: 4,119,477 km (0.092 R)
• M14: 5,699,978 km (0.061 R)
• M15: 6,123,490 km (0.115 R)
• M16: 6,605,494 km (0.047 R)
• M17: 6,797,428 km (0.04 R)
• M18: 7,771,161 km (0.088 R)
• M19: 8,291,462 km (0.091 R)
• M20: 9,449,200 km (0.099 R)
• M21: 10,295,475 km (0.116 R)
• M22: 12,309,661 km (0.094 R)
• M23: 13,196,178 km (0.104 R)
• M24: 15,630,883 km (0.075 R)
• M25: 17,532,122 km (0.054 R)
• M26: 18,424,623 km (0.088 R)
• M27: 18,881,944 km (0.103 R)
• M28: 23,790,250 km (0.12 R)
• M29: 24,332,393 km (0.098 R)
• M30: 24,606,606 km (0.107 R)
• M31: 25,535,459 km (0.098 R)
• M32: 26,199,374 km (0.099 R)
• M33: 27,759,979 km (0.066 R)
• M34: 34,393,149 km (0.108 R)
• M35: 38,566,929 km (0.093 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: 348 - 17,279 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit