🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.96 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.6

Radius: 10.8

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.72 AU - 2.12 AU

Year: 1774 Days

Day: 14.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,160,841 km

• M1: 134,638 km (0.078 R)
• M2: 489,185 km (0.104 R)
• M3: 1,206,208 km (0.113 R)
• M4: 1,565,542 km (0.119 R)
• M5: 1,997,431 km (0.12 R)
• M6: 3,846,161 km (0.119 R)
• M7: 4,203,551 km (0.044 R)
• M8: 4,882,575 km (0.103 R)
• M9: 5,610,818 km (0.119 R)
• M10: 5,977,781 km (0.029 R)
• M11: 7,527,166 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.8

Radius: 9.2

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.58 AU - 2.28 AU

Year: 1788 Days

Day: 12.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,160,841 km

• M1: 114,592 km (0.114 R)
• M2: 433,385 km (0.102 R)
• M3: 1,159,234 km (0.11 R)
• M4: 1,536,370 km (0.113 R)
• M5: 1,943,875 km (0.109 R)
• M6: 2,780,276 km (0.081 R)
• M7: 4,257,406 km (0.062 R)
• M8: 4,951,690 km (0.083 R)
• M9: 5,468,849 km (0.113 R)
• M10: 6,471,753 km (0.109 R)
• M11: 6,920,098 km (0.079 R)
• M12: 8,280,990 km (0.083 R)
• M13: 8,584,524 km (0.072 R)
• M14: 10,341,102 km (0.106 R)
• M15: 11,186,480 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.6

Radius: 13.1

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.71 AU - 3.15 AU

Year: 3344 Days

Day: 7.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,160,841 km

• M1: 170,691 km (0.057 R)
• M2: 636,389 km (0.086 R)
• M3: 1,367,474 km (0.111 R)
• M4: 1,803,702 km (0.083 R)
• M5: 2,324,003 km (0.092 R)
• M6: 3,545,470 km (0.04 R)
• M7: 4,822,138 km (0.102 R)
• M8: 5,585,087 km (0.113 R)
• M9: 6,343,548 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.4

Radius: 11.1

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.76 AU - 4.34 AU

Year: 4460 Days

Day: 14.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,160,841 km

• M1: 138,228 km (0.092 R)
• M2: 699,220 km (0.091 R)
• M3: 1,082,341 km (0.038 R)
• M4: 1,584,989 km (0.039 R)
• M5: 2,061,159 km (0.092 R)
• M6: 2,597,169 km (0.088 R)
• M7: 3,469,474 km (0.119 R)
• M8: 3,882,663 km (0.099 R)
• M9: 4,232,124 km (0.058 R)
• M10: 4,653,541 km (0.098 R)
• M11: 6,563,307 km (0.053 R)
• M12: 7,442,943 km (0.095 R)
• M13: 7,911,334 km (0.117 R)
• M14: 8,399,472 km (0.078 R)
• M15: 8,788,426 km (0.116 R)
• M16: 10,963,430 km (0.085 R)
• M17: 12,598,983 km (0.103 R)
• M18: 13,634,051 km (0.104 R)
• M19: 15,464,530 km (0.066 R)
• M20: 16,408,642 km (0.08 R)
• M21: 19,743,329 km (0.095 R)
• M22: 26,373,207 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87

Radius: 11.4

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.88 AU - 5.64 AU

Year: 6925 Days

Day: 9.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,160,841 km

• M1: 142,716 km (0.08 R)
• M2: 557,102 km (0.067 R)
• M3: 1,747,154 km (0.055 R)
• M4: 2,173,208 km (0.034 R)
• M5: 3,089,196 km (0.117 R)
• M6: 4,390,398 km (0.119 R)
• M7: 5,596,905 km (0.065 R)
• M8: 6,700,638 km (0.082 R)
• M9: 7,274,795 km (0.079 R)
• M10: 8,620,727 km (0.102 R)
• M11: 9,370,511 km (0.057 R)
• M12: 12,767,580 km (0.118 R)
• M13: 13,292,968 km (0.084 R)
• M14: 14,956,197 km (0.057 R)
• M15: 16,962,304 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.9

Radius: 13.9

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.11 AU - 5.71 AU

Year: 7255 Days

Day: 14 Hours

Environment

Temp: -214 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,160,841 km

• M1: 173,534 km (0.098 R)
• M2: 630,854 km (0.046 R)
• M3: 1,267,992 km (0.087 R)
• M4: 2,338,664 km (0.111 R)
• M5: 4,384,863 km (0.11 R)
• M6: 5,064,636 km (0.036 R)
• M7: 5,528,090 km (0.11 R)
• M8: 6,019,818 km (0.098 R)
• M9: 6,540,868 km (0.099 R)
• M10: 11,258,736 km (0.113 R)
• M11: 13,751,934 km (0.088 R)
• M12: 16,357,480 km (0.097 R)
• M13: 17,498,912 km (0.103 R)
• M14: 19,806,160 km (0.104 R)
• M15: 21,664,913 km (0.113 R)
• M16: 23,412,665 km (0.095 R)
• M17: 25,966,899 km (0.039 R)
• M18: 27,602,303 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.9

Radius: 13.5

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.21 AU - 5.85 AU

Year: 7523 Days

Day: 14.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,160,841 km

• M1: 169,943 km (0.119 R)
• M2: 623,674 km (0.073 R)
• M3: 1,141,133 km (0.102 R)
• M4: 3,383,305 km (0.116 R)
• M5: 4,044,079 km (0.115 R)
• M6: 6,556,276 km (0.093 R)
• M7: 9,036,011 km (0.029 R)
• M8: 14,363,191 km (0.113 R)
• M9: 14,990,305 km (0.109 R)
• M10: 19,597,770 km (0.054 R)
• M11: 22,892,214 km (0.098 R)
• M12: 23,835,429 km (0.114 R)
• M13: 27,965,527 km (0.098 R)
• M14: 34,294,414 km (0.11 R)

Asteroid Belt

Center: 5.71 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.1

Radius: 4

Gravity: 52.13 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.14 AU - 7.62 AU

Year: 10746 Days

Day: 21.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 69,160,841 km

• M1: 49,816 km (0.1 R)
• M2: 193,879 km (0.093 R)
• M3: 652,696 km (0.103 R)
• M4: 981,811 km (0.094 R)
• M5: 1,557,015 km (0.106 R)
• M6: 1,891,515 km (0.046 R)
• M7: 2,573,831 km (0.118 R)
• M8: 3,331,245 km (0.116 R)
• M9: 3,912,134 km (0.112 R)
• M10: 5,409,309 km (0.097 R)
• M11: 5,836,112 km (0.04 R)
• M12: 6,517,680 km (0.084 R)
• M13: 6,756,139 km (0.098 R)
• M14: 7,083,310 km (0.078 R)
• M15: 7,992,117 km (0.079 R)
• M16: 8,404,408 km (0.117 R)
• M17: 9,024,791 km (0.092 R)
• M18: 9,471,789 km (0.078 R)
• M19: 13,917,240 km (0.044 R)
• M20: 14,180,083 km (0.101 R)
• M21: 15,334,530 km (0.097 R)
• M22: 15,756,396 km (0.066 R)
• M23: 15,898,813 km (0.066 R)
• M24: 16,113,935 km (0.104 R)
• M25: 23,881,355 km (0.062 R)
• M26: 25,023,535 km (0.066 R)
• M27: 26,401,631 km (0.039 R)
• M28: 27,829,393 km (0.104 R)
• M29: 32,076,775 km (0.075 R)
• M30: 32,535,443 km (0.1 R)
• M31: 33,819,142 km (0.098 R)
• M32: 34,175,035 km (0.101 R)
• M33: 36,239,037 km (0.098 R)
• M34: 40,346,695 km (0.071 R)
• M35: 41,015,398 km (0.073 R)
• M36: 42,100,431 km (0.058 R)
• M37: 45,614,635 km (0.115 R)
• M38: 47,073,364 km (0.089 R)
• M39: 52,423,731 km (0.096 R)
• M40: 53,059,822 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.7

Radius: 6.1

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.83 AU - 8.31 AU

Year: 12536 Days

Day: 24.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,160,841 km

• M1: 141,220 km (0.113 R)
• M2: 556,953 km (0.115 R)
• M3: 854,503 km (0.094 R)
• M4: 1,121,984 km (0.103 R)
• M5: 1,577,809 km (0.079 R)
• M6: 2,458,043 km (0.082 R)
• M7: 6,566,000 km (0.055 R)
• M8: 9,170,798 km (0.08 R)
• M9: 12,041,432 km (0.107 R)
• M10: 16,605,812 km (0.06 R)
• M11: 19,201,186 km (0.091 R)
• M12: 19,681,545 km (0.069 R)
• M13: 22,129,564 km (0.092 R)
• M14: 23,348,936 km (0.117 R)
• M15: 25,837,497 km (0.078 R)
• M16: 28,853,540 km (0.086 R)
• M17: 30,399,783 km (0.04 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 777.9

Radius: 3.8

Gravity: 53.87 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.72 AU - 10.1 AU

Year: 16264 Days

Day: 23.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 69,160,841 km

• M1: 47,871 km (0.045 R)
• M2: 236,963 km (0.113 R)
• M3: 386,860 km (0.108 R)
• M4: 575,653 km (0.098 R)
• M5: 1,014,722 km (0.117 R)
• M6: 1,894,657 km (0.063 R)
• M7: 2,126,235 km (0.113 R)
• M8: 2,622,451 km (0.1 R)
• M9: 2,787,756 km (0.059 R)
• M10: 3,165,491 km (0.064 R)
• M11: 5,466,007 km (0.114 R)
• M12: 5,619,345 km (0.028 R)
• M13: 6,557,473 km (0.103 R)
• M14: 7,314,887 km (0.118 R)
• M15: 7,980,897 km (0.081 R)
• M16: 8,228,332 km (0.118 R)
• M17: 10,571,483 km (0.038 R)
• M18: 11,358,966 km (0.102 R)
• M19: 11,483,432 km (0.04 R)
• M20: 11,926,541 km (0.108 R)
• M21: 13,393,198 km (0.098 R)
• M22: 13,883,879 km (0.062 R)
• M23: 14,753,043 km (0.108 R)
• M24: 15,200,789 km (0.112 R)
• M25: 16,439,460 km (0.059 R)
• M26: 18,080,249 km (0.109 R)
• M27: 22,456,884 km (0.103 R)
• M28: 25,522,594 km (0.113 R)
• M29: 36,641,156 km (0.072 R)
• M30: 37,737,559 km (0.034 R)
• M31: 44,160,843 km (0.101 R)
• M32: 47,146,218 km (0.074 R)
• M33: 48,442,483 km (0.102 R)
• M34: 49,928,888 km (0.11 R)
• M35: 60,433,351 km (0.04 R)
• M36: 61,194,505 km (0.079 R)
• M37: 66,298,485 km (0.06 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 10,900 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit