🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.4

Radius: 14.9

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.79 AU - 1.17 AU

Year: 682 Days

Day: 12 Hours

Environment

Temp: -183 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,527,038 km

• M1: 185,352 km (0.075 R)
• M2: 1,030,729 km (0.113 R)
• M3: 1,502,411 km (0.118 R)
• M4: 2,820,369 km (0.049 R)
• M5: 3,346,056 km (0.08 R)
• M6: 3,836,437 km (0.088 R)
• M7: 4,533,414 km (0.101 R)
• M8: 5,495,328 km (0.083 R)
• M9: 6,303,007 km (0.108 R)
• M10: 7,277,338 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.5

Radius: 12.5

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.37 AU - 1.47 AU

Year: 1189 Days

Day: 13.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,527,038 km

• M1: 155,432 km (0.096 R)
• M2: 600,785 km (0.085 R)
• M3: 1,321,697 km (0.03 R)
• M4: 1,940,883 km (0.116 R)
• M5: 2,520,874 km (0.118 R)
• M6: 3,670,384 km (0.079 R)
• M7: 4,363,620 km (0.055 R)
• M8: 5,726,158 km (0.074 R)
• M9: 7,051,595 km (0.08 R)
• M10: 8,179,862 km (0.079 R)
• M11: 10,109,076 km (0.106 R)
• M12: 10,528,549 km (0.081 R)
• M13: 11,541,625 km (0.106 R)
• M14: 12,000,292 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.9

Radius: 10.3

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.46 AU - 1.84 AU

Year: 1490 Days

Day: 13.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,527,038 km

• M1: 128,205 km (0.094 R)
• M2: 548,127 km (0.07 R)
• M3: 1,099,096 km (0.104 R)
• M4: 1,545,496 km (0.102 R)
• M5: 2,425,580 km (0.086 R)
• M6: 3,122,407 km (0.12 R)
• M7: 3,548,910 km (0.108 R)
• M8: 4,218,211 km (0.041 R)
• M9: 6,159,543 km (0.05 R)
• M10: 8,002,289 km (0.068 R)
• M11: 10,929,321 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694

Radius: 11.8

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.68 AU - 2.74 AU

Year: 3136 Days

Day: 6.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,527,038 km

• M1: 146,756 km (0.067 R)
• M2: 548,276 km (0.069 R)
• M3: 984,055 km (0.115 R)
• M4: 1,367,624 km (0.119 R)
• M5: 1,889,571 km (0.1 R)
• M6: 2,696,352 km (0.055 R)
• M7: 3,197,206 km (0.107 R)
• M8: 3,584,215 km (0.072 R)
• M9: 4,256,359 km (0.05 R)
• M10: 4,726,545 km (0.093 R)
• M11: 5,382,232 km (0.08 R)
• M12: 5,879,346 km (0.12 R)
• M13: 7,525,222 km (0.104 R)
• M14: 8,386,008 km (0.047 R)
• M15: 8,875,941 km (0.095 R)
• M16: 9,798,661 km (0.059 R)
• M17: 10,784,211 km (0.069 R)
• M18: 11,619,117 km (0.104 R)
• M19: 12,496,808 km (0.066 R)
• M20: 13,230,286 km (0.114 R)
• M21: 15,603,806 km (0.108 R)
• M22: 17,902,377 km (0.087 R)
• M23: 19,192,509 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.7

Radius: 12.2

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.81 AU - 4.15 AU

Year: 4563 Days

Day: 12.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,527,038 km

• M1: 151,692 km (0.09 R)
• M2: 700,417 km (0.043 R)
• M3: 1,086,081 km (0.114 R)
• M4: 1,473,838 km (0.096 R)
• M5: 1,983,219 km (0.11 R)
• M6: 2,725,524 km (0.043 R)
• M7: 3,502,385 km (0.112 R)
• M8: 4,234,966 km (0.106 R)
• M9: 6,272,639 km (0.064 R)
• M10: 6,862,653 km (0.111 R)
• M11: 7,320,721 km (0.09 R)
• M12: 10,091,723 km (0.025 R)
• M13: 10,902,992 km (0.112 R)
• M14: 13,146,661 km (0.107 R)
• M15: 13,548,630 km (0.1 R)
• M16: 15,020,225 km (0.119 R)
• M17: 18,907,226 km (0.105 R)
• M18: 20,206,184 km (0.073 R)
• M19: 20,945,647 km (0.115 R)
• M20: 22,194,340 km (0.106 R)
• M21: 24,234,406 km (0.087 R)
• M22: 25,377,484 km (0.119 R)
• M23: 26,956,938 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 186.5

Radius: 3.4

Gravity: 16.13 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5.37 AU - 5.87 AU

Year: 9365 Days

Day: 16.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,527,038 km

• M1: 42,486 km (0.05 R)
• M2: 168,597 km (0.082 R)
• M3: 371,601 km (0.09 R)
• M4: 766,539 km (0.094 R)
• M5: 961,615 km (0.114 R)
• M6: 1,119,142 km (0.118 R)
• M7: 1,272,330 km (0.091 R)
• M8: 1,583,344 km (0.111 R)
• M9: 1,858,604 km (0.119 R)
• M10: 3,732,018 km (0.05 R)
• M11: 5,064,187 km (0.111 R)
• M12: 5,173,842 km (0.068 R)
• M13: 6,683,584 km (0.108 R)
• M14: 7,863,313 km (0.119 R)
• M15: 8,973,479 km (0.107 R)
• M16: 9,134,446 km (0.1 R)
• M17: 9,586,830 km (0.113 R)
• M18: 11,311,693 km (0.095 R)
• M19: 11,978,152 km (0.103 R)
• M20: 12,124,309 km (0.111 R)
• M21: 13,026,384 km (0.111 R)
• M22: 13,864,880 km (0.063 R)
• M23: 14,794,631 km (0.115 R)
• M24: 15,706,879 km (0.098 R)
• M25: 16,415,225 km (0.106 R)
• M26: 16,656,077 km (0.091 R)
• M27: 17,454,930 km (0.114 R)
• M28: 20,976,464 km (0.066 R)
• M29: 23,090,282 km (0.115 R)
• M30: 23,316,773 km (0.11 R)
• M31: 26,232,735 km (0.045 R)
• M32: 27,735,296 km (0.085 R)
• M33: 27,905,688 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945.1

Radius: 4

Gravity: 59.07 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.56 AU - 10.06 AU

Year: 16839 Days

Day: 24.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 75,527,038 km

• M1: 49,816 km (0.094 R)
• M2: 644,617 km (0.058 R)
• M3: 1,119,441 km (0.097 R)
• M4: 1,330,972 km (0.102 R)
• M5: 2,047,097 km (0.096 R)
• M6: 2,364,245 km (0.046 R)
• M7: 4,030,017 km (0.089 R)
• M8: 4,290,168 km (0.111 R)
• M9: 4,666,107 km (0.07 R)
• M10: 5,063,738 km (0.111 R)
• M11: 5,884,731 km (0.07 R)
• M12: 6,177,195 km (0.057 R)
• M13: 8,292,958 km (0.106 R)
• M14: 11,034,040 km (0.075 R)
• M15: 11,478,495 km (0.05 R)
• M16: 16,681,060 km (0.107 R)
• M17: 19,193,556 km (0.069 R)
• M18: 20,021,730 km (0.118 R)
• M19: 20,302,974 km (0.09 R)
• M20: 22,246,101 km (0.12 R)
• M21: 27,407,826 km (0.056 R)
• M22: 28,693,620 km (0.112 R)
• M23: 29,653,739 km (0.097 R)
• M24: 30,264,547 km (0.114 R)
• M25: 37,263,034 km (0.119 R)
• M26: 37,688,491 km (0.085 R)
• M27: 39,865,140 km (0.102 R)
• M28: 42,740,411 km (0.035 R)
• M29: 43,991,348 km (0.108 R)
• M30: 45,913,232 km (0.118 R)
• M31: 47,890,318 km (0.114 R)
• M32: 48,393,266 km (0.116 R)
• M33: 52,190,060 km (0.112 R)
• M34: 55,809,580 km (0.095 R)
• M35: 61,744,876 km (0.078 R)
• M36: 66,827,164 km (0.079 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 17,371 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit