🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.6

Radius: 9

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.62 AU - 0.72 AU

Year: 366 Days

Day: 11 Hours

Environment

Temp: -155 °C

Axial Tilt: 118.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 63,872,692 km

• M1: 118,482 km (0.099 R)
• M2: 564,582 km (0.111 R)
• M3: 1,076,656 km (0.097 R)
• M4: 1,520,812 km (0.106 R)
• M5: 2,059,514 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.4

Radius: 8.2

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.65 AU - 0.91 AU

Year: 459 Days

Day: 8.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,872,692 km

• M1: 108,907 km (0.113 R)
• M2: 506,090 km (0.118 R)
• M3: 777,161 km (0.079 R)
• M4: 1,453,044 km (0.057 R)
• M5: 1,993,392 km (0.032 R)
• M6: 2,420,643 km (0.091 R)
• M7: 3,356,827 km (0.109 R)
• M8: 4,286,428 km (0.076 R)
• M9: 4,543,587 km (0.052 R)
• M10: 5,000,309 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.6

Radius: 11.6

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.06 AU - 1.4 AU

Year: 910 Days

Day: 13.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 85.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,872,692 km

• M1: 144,212 km (0.094 R)
• M2: 554,260 km (0.107 R)
• M3: 963,560 km (0.12 R)
• M4: 1,396,197 km (0.095 R)
• M5: 2,225,119 km (0.081 R)
• M6: 2,715,949 km (0.059 R)
• M7: 3,111,785 km (0.094 R)
• M8: 3,961,651 km (0.078 R)
• M9: 5,261,357 km (0.106 R)
• M10: 6,362,697 km (0.116 R)
• M11: 7,427,235 km (0.108 R)
• M12: 7,966,236 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.5

Radius: 9.1

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.29 AU - 1.31 AU

Year: 988 Days

Day: 7.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,872,692 km

• M1: 114,293 km (0.04 R)
• M2: 519,853 km (0.094 R)
• M3: 812,316 km (0.117 R)
• M4: 1,112,410 km (0.085 R)
• M5: 1,550,283 km (0.078 R)
• M6: 2,343,750 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.5

Radius: 11.8

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.55 AU - 2.15 AU

Year: 1678 Days

Day: 12.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,872,692 km

• M1: 146,756 km (0.046 R)
• M2: 535,112 km (0.109 R)
• M3: 949,797 km (0.036 R)
• M4: 1,327,382 km (0.107 R)
• M5: 2,240,527 km (0.086 R)
• M6: 3,174,766 km (0.114 R)
• M7: 3,635,527 km (0.087 R)
• M8: 4,217,014 km (0.093 R)
• M9: 5,271,380 km (0.094 R)
• M10: 7,578,030 km (0.095 R)
• M11: 8,811,015 km (0.114 R)
• M12: 9,326,829 km (0.113 R)
• M13: 9,760,663 km (0.11 R)
• M14: 10,383,738 km (0.077 R)
• M15: 10,813,682 km (0.114 R)
• M16: 11,443,190 km (0.064 R)
• M17: 15,009,454 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.3

Radius: 12.4

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.22 AU - 2.38 AU

Year: 2326 Days

Day: 14.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,872,692 km

• M1: 154,235 km (0.075 R)
• M2: 910,453 km (0.104 R)
• M3: 1,332,618 km (0.072 R)
• M4: 1,796,670 km (0.116 R)
• M5: 2,195,648 km (0.102 R)
• M6: 2,805,858 km (0.11 R)
• M7: 3,637,023 km (0.109 R)
• M8: 4,347,464 km (0.111 R)
• M9: 5,078,100 km (0.073 R)
• M10: 5,584,638 km (0.064 R)
• M11: 6,841,559 km (0.093 R)
• M12: 8,117,031 km (0.092 R)
• M13: 8,982,604 km (0.107 R)
• M14: 10,281,413 km (0.052 R)
• M15: 11,496,896 km (0.075 R)
• M16: 12,459,109 km (0.072 R)
• M17: 14,118,598 km (0.064 R)
• M18: 14,831,731 km (0.108 R)
• M19: 15,221,883 km (0.089 R)
• M20: 15,870,389 km (0.08 R)
• M21: 16,589,357 km (0.089 R)
• M22: 18,147,568 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 539.2

Radius: 3.1

Gravity: 56.11 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.55 AU - 5.95 AU

Year: 9195 Days

Day: 24.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 63,872,692 km

• M1: 39,344 km (0.111 R)
• M2: 176,825 km (0.12 R)
• M3: 378,034 km (0.043 R)
• M4: 799,152 km (0.09 R)
• M5: 1,554,771 km (0.119 R)
• M6: 1,710,951 km (0.12 R)
• M7: 1,893,311 km (0.094 R)
• M8: 2,071,631 km (0.111 R)
• M9: 2,480,632 km (0.073 R)
• M10: 3,048,505 km (0.076 R)
• M11: 4,002,940 km (0.107 R)
• M12: 4,108,107 km (0.118 R)
• M13: 4,296,750 km (0.106 R)
• M14: 4,407,153 km (0.072 R)
• M15: 4,547,775 km (0.099 R)
• M16: 4,897,385 km (0.108 R)
• M17: 5,883,385 km (0.04 R)
• M18: 7,147,487 km (0.119 R)
• M19: 7,539,433 km (0.084 R)
• M20: 8,111,945 km (0.096 R)
• M21: 8,845,423 km (0.042 R)
• M22: 9,160,027 km (0.068 R)
• M23: 9,528,487 km (0.104 R)
• M24: 9,954,691 km (0.104 R)
• M25: 11,733,709 km (0.096 R)
• M26: 13,242,852 km (0.054 R)
• M27: 13,654,246 km (0.098 R)
• M28: 18,464,416 km (0.12 R)
• M29: 19,424,984 km (0.063 R)
• M30: 22,922,583 km (0.112 R)
• M31: 28,143,698 km (0.049 R)
• M32: 29,314,600 km (0.091 R)
• M33: 31,234,390 km (0.05 R)
• M34: 33,559,889 km (0.11 R)
• M35: 34,103,976 km (0.107 R)
• M36: 35,658,896 km (0.084 R)
• M37: 36,339,567 km (0.11 R)
• M38: 38,789,980 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.9

Radius: 6.6

Gravity: 17.1 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 7.4 AU - 8.36 AU

Year: 14751 Days

Day: 24.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,872,692 km

• M1: 82,129 km (0.05 R)
• M2: 338,540 km (0.103 R)
• M3: 808,726 km (0.101 R)
• M4: 1,066,932 km (0.099 R)
• M5: 1,964,070 km (0.084 R)
• M6: 2,437,548 km (0.115 R)
• M7: 2,887,987 km (0.071 R)
• M8: 3,313,294 km (0.115 R)
• M9: 7,092,884 km (0.099 R)
• M10: 7,633,082 km (0.1 R)
• M11: 8,055,845 km (0.113 R)
• M12: 11,833,640 km (0.077 R)
• M13: 12,209,281 km (0.082 R)
• M14: 12,657,625 km (0.065 R)
• M15: 12,918,674 km (0.051 R)
• M16: 17,119,980 km (0.104 R)
• M17: 19,875,573 km (0.099 R)
• M18: 21,496,765 km (0.078 R)
• M19: 22,434,445 km (0.112 R)
• M20: 27,101,599 km (0.087 R)
• M21: 27,426,675 km (0.066 R)
• M22: 27,974,203 km (0.109 R)
• M23: 29,660,770 km (0.079 R)
• M24: 34,108,763 km (0.083 R)
• M25: 40,233,300 km (0.104 R)
• M26: 41,368,299 km (0.087 R)
• M27: 42,233,424 km (0.111 R)
• M28: 44,901,053 km (0.116 R)
• M29: 45,814,647 km (0.116 R)
• M30: 46,430,542 km (0.092 R)
• M31: 46,740,658 km (0.077 R)
• M32: 47,994,587 km (0.093 R)
• M33: 57,584,708 km (0.052 R)
• M34: 61,044,907 km (0.088 R)
• M35: 62,165,844 km (0.087 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 12,010 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit