🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.6

Radius: 9.7

Gravity: 8.6 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.59 AU - 0.61 AU

Year: 321 Days

Day: 8.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 79.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,722,760 km

• M1: 120,725 km (0.119 R)
• M2: 445,203 km (0.109 R)
• M3: 787,334 km (0.066 R)
• M4: 1,115,701 km (0.088 R)
• M5: 1,473,689 km (0.105 R)
• M6: 1,871,320 km (0.056 R)
• M7: 2,253,692 km (0.071 R)
• M8: 3,008,413 km (0.085 R)
• M9: 3,376,574 km (0.11 R)
• M10: 3,860,672 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.7

Radius: 13.9

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.78 AU - 1.06 AU

Year: 609 Days

Day: 14.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 89,722,760 km

• M1: 173,085 km (0.083 R)
• M2: 606,021 km (0.113 R)
• M3: 1,077,853 km (0.035 R)
• M4: 1,775,727 km (0.091 R)
• M5: 2,390,574 km (0.067 R)
• M6: 3,400,509 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.3

Radius: 8.8

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.24 AU - 1.5 AU

Year: 1107 Days

Day: 6 Hours

Environment

Temp: -189 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,722,760 km

• M1: 109,506 km (0.085 R)
• M2: 404,513 km (0.069 R)
• M3: 684,560 km (0.102 R)
• M4: 1,440,927 km (0.102 R)
• M5: 1,896,901 km (0.099 R)
• M6: 2,267,156 km (0.067 R)
• M7: 2,848,493 km (0.103 R)
• M8: 4,549,720 km (0.112 R)
• M9: 5,217,525 km (0.054 R)
• M10: 5,494,281 km (0.085 R)
• M11: 6,496,288 km (0.059 R)
• M12: 8,050,310 km (0.106 R)
• M13: 8,858,139 km (0.074 R)
• M14: 9,310,672 km (0.064 R)
• M15: 10,385,084 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.4

Radius: 11.8

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.27 AU - 1.59 AU

Year: 1180 Days

Day: 14.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,722,760 km

• M1: 147,204 km (0.099 R)
• M2: 516,711 km (0.037 R)
• M3: 899,382 km (0.117 R)
• M4: 1,296,266 km (0.053 R)
• M5: 1,697,337 km (0.08 R)
• M6: 3,328,403 km (0.042 R)
• M7: 3,855,885 km (0.105 R)
• M8: 4,645,612 km (0.09 R)
• M9: 5,692,797 km (0.1 R)
• M10: 7,144,346 km (0.103 R)
• M11: 7,563,070 km (0.104 R)
• M12: 8,364,017 km (0.079 R)
• M13: 9,972,792 km (0.114 R)
• M14: 10,935,904 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.4

Radius: 11.6

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.16 AU - 1.84 AU

Year: 1268 Days

Day: 14.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,722,760 km

• M1: 144,512 km (0.104 R)
• M2: 662,569 km (0.088 R)
• M3: 1,123,181 km (0.097 R)
• M4: 1,494,782 km (0.111 R)
• M5: 1,971,102 km (0.09 R)
• M6: 2,877,066 km (0.097 R)
• M7: 3,340,520 km (0.097 R)
• M8: 3,836,737 km (0.055 R)
• M9: 4,308,718 km (0.062 R)
• M10: 4,878,387 km (0.101 R)
• M11: 6,007,701 km (0.096 R)
• M12: 7,382,356 km (0.108 R)
• M13: 8,689,542 km (0.098 R)
• M14: 9,137,588 km (0.048 R)
• M15: 9,950,951 km (0.109 R)
• M16: 11,902,455 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.2

Radius: 8.4

Gravity: 13.4 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.42 AU - 1.7 AU

Year: 1345 Days

Day: 12.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 76.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,722,760 km

• M1: 104,419 km (0.118 R)
• M2: 378,183 km (0.103 R)
• M3: 1,083,837 km (0.114 R)
• M4: 1,388,418 km (0.063 R)
• M5: 2,269,549 km (0.106 R)
• M6: 3,835,241 km (0.091 R)
• M7: 4,792,069 km (0.059 R)
• M8: 5,557,710 km (0.097 R)
• M9: 6,451,857 km (0.09 R)
• M10: 6,727,865 km (0.061 R)
• M11: 7,465,981 km (0.119 R)
• M12: 7,770,413 km (0.107 R)
• M13: 8,345,168 km (0.108 R)
• M14: 9,355,103 km (0.056 R)
• M15: 9,774,426 km (0.077 R)
• M16: 10,444,175 km (0.063 R)
• M17: 11,987,427 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.8

Radius: 11.6

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.89 AU - 2.71 AU

Year: 2408 Days

Day: 5.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,722,760 km

• M1: 150,196 km (0.11 R)
• M2: 602,431 km (0.051 R)
• M3: 1,042,398 km (0.095 R)
• M4: 1,861,746 km (0.112 R)
• M5: 3,442,097 km (0.103 R)
• M6: 4,409,996 km (0.1 R)
• M7: 5,618,597 km (0.116 R)
• M8: 6,300,165 km (0.088 R)
• M9: 10,086,786 km (0.071 R)
• M10: 11,530,106 km (0.091 R)
• M11: 12,243,838 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.3

Radius: 10.4

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.47 AU - 6.49 AU

Year: 8855 Days

Day: 7.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 89,722,760 km

• M1: 131,945 km (0.106 R)
• M2: 1,025,344 km (0.086 R)
• M3: 1,366,427 km (0.081 R)
• M4: 1,726,210 km (0.087 R)
• M5: 2,132,817 km (0.095 R)
• M6: 2,721,335 km (0.114 R)
• M7: 4,062,181 km (0.107 R)
• M8: 4,730,285 km (0.11 R)
• M9: 6,986,370 km (0.108 R)
• M10: 7,415,566 km (0.086 R)
• M11: 8,071,404 km (0.113 R)
• M12: 12,278,096 km (0.105 R)
• M13: 14,220,774 km (0.11 R)
• M14: 19,231,255 km (0.06 R)
• M15: 21,267,731 km (0.11 R)
• M16: 23,530,847 km (0.059 R)
• M17: 24,765,329 km (0.095 R)
• M18: 26,042,446 km (0.081 R)
• M19: 27,267,204 km (0.087 R)
• M20: 27,942,489 km (0.074 R)
• M21: 28,431,524 km (0.092 R)
• M22: 29,426,799 km (0.105 R)
• M23: 32,337,225 km (0.096 R)
• M24: 35,434,200 km (0.065 R)
• M25: 36,586,702 km (0.106 R)
• M26: 39,946,222 km (0.064 R)
• M27: 43,245,004 km (0.102 R)
• M28: 43,899,645 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.6

Radius: 3.9

Gravity: 55.4 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.58 AU - 6.86 AU

Year: 12024 Days

Day: 23 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 89,722,760 km

• M1: 62,382 km (0.067 R)
• M2: 218,114 km (0.101 R)
• M3: 548,426 km (0.083 R)
• M4: 922,869 km (0.042 R)
• M5: 1,116,150 km (0.104 R)
• M6: 1,584,092 km (0.11 R)
• M7: 1,727,407 km (0.062 R)
• M8: 2,249,653 km (0.052 R)
• M9: 2,452,059 km (0.112 R)
• M10: 3,359,819 km (0.112 R)
• M11: 3,706,736 km (0.026 R)
• M12: 4,824,831 km (0.051 R)
• M13: 5,093,209 km (0.079 R)
• M14: 5,807,838 km (0.081 R)
• M15: 5,996,331 km (0.087 R)
• M16: 6,750,604 km (0.104 R)
• M17: 6,959,143 km (0.114 R)
• M18: 7,745,729 km (0.093 R)
• M19: 10,965,075 km (0.115 R)
• M20: 14,420,038 km (0.116 R)
• M21: 15,837,328 km (0.064 R)
• M22: 22,252,683 km (0.062 R)
• M23: 24,138,664 km (0.078 R)
• M24: 25,520,649 km (0.077 R)
• M25: 27,163,533 km (0.054 R)
• M26: 31,000,419 km (0.111 R)
• M27: 35,558,217 km (0.048 R)
• M28: 51,869,172 km (0.096 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 960.1

Radius: 4.4

Gravity: 49.59 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 8.09 AU - 11.79 AU

Year: 21632 Days

Day: 17.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 89,722,760 km

• M1: 56,099 km (0.094 R)
• M2: 256,261 km (0.108 R)
• M3: 415,134 km (0.098 R)
• M4: 804,837 km (0.111 R)
• M5: 1,233,285 km (0.099 R)
• M6: 1,667,418 km (0.087 R)
• M7: 1,879,099 km (0.088 R)
• M8: 2,219,135 km (0.073 R)
• M9: 2,500,080 km (0.116 R)
• M10: 3,965,540 km (0.044 R)
• M11: 5,414,695 km (0.117 R)
• M12: 6,986,819 km (0.097 R)
• M13: 7,384,749 km (0.065 R)
• M14: 7,956,363 km (0.118 R)
• M15: 8,117,330 km (0.069 R)
• M16: 10,411,563 km (0.064 R)
• M17: 13,104,325 km (0.09 R)
• M18: 13,404,268 km (0.075 R)
• M19: 14,017,919 km (0.088 R)
• M20: 18,942,830 km (0.101 R)
• M21: 20,810,709 km (0.081 R)
• M22: 23,013,987 km (0.117 R)
• M23: 23,450,663 km (0.057 R)
• M24: 24,793,603 km (0.047 R)
• M25: 33,383,812 km (0.101 R)
• M26: 33,943,308 km (0.116 R)
• M27: 34,508,788 km (0.033 R)
• M28: 36,390,430 km (0.03 R)
• M29: 42,280,397 km (0.097 R)
• M30: 43,596,410 km (0.102 R)
• M31: 44,264,514 km (0.031 R)
• M32: 48,595,971 km (0.096 R)
• M33: 50,404,759 km (0.091 R)
• M34: 60,331,475 km (0.101 R)
• M35: 63,267,931 km (0.117 R)
• M36: 68,296,514 km (0.042 R)
• M37: 70,792,854 km (0.082 R)
• M38: 78,399,756 km (0.098 R)
• M39: 88,384,516 km (0.051 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 12,745 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit