🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.3

Radius: 11.4

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.42 AU - 0.64 AU

Year: 257 Days

Day: 13.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 82,132,822 km

• M1: 141,819 km (0.079 R)
• M2: 540,048 km (0.105 R)
• M3: 918,681 km (0.074 R)
• M4: 1,379,891 km (0.113 R)
• M5: 1,960,779 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.7

Radius: 14.4

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.64 AU - 2.52 AU

Year: 2000 Days

Day: 6.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 82,132,822 km

• M1: 179,218 km (0.031 R)
• M2: 1,743,563 km (0.117 R)
• M3: 2,438,744 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806

Radius: 10

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.2 AU - 2.38 AU

Year: 2311 Days

Day: 9.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,132,822 km

• M1: 124,316 km (0.082 R)
• M2: 453,282 km (0.035 R)
• M3: 774,319 km (0.113 R)
• M4: 1,419,684 km (0.114 R)
• M5: 1,872,666 km (0.059 R)
• M6: 2,244,417 km (0.116 R)
• M7: 5,299,505 km (0.103 R)
• M8: 6,562,559 km (0.086 R)
• M9: 8,868,760 km (0.045 R)
• M10: 10,000,318 km (0.071 R)
• M11: 10,335,268 km (0.113 R)
• M12: 10,754,890 km (0.12 R)
• M13: 13,114,049 km (0.051 R)
• M14: 14,485,113 km (0.08 R)
• M15: 15,450,767 km (0.068 R)
• M16: 16,101,069 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.3

Radius: 11.8

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.14 AU - 3.18 AU

Year: 3746 Days

Day: 12.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,132,822 km

• M1: 146,756 km (0.12 R)
• M2: 787,932 km (0.066 R)
• M3: 1,164,919 km (0.096 R)
• M4: 1,666,520 km (0.029 R)
• M5: 2,192,656 km (0.118 R)
• M6: 3,603,514 km (0.119 R)
• M7: 3,986,484 km (0.108 R)
• M8: 4,661,320 km (0.086 R)
• M9: 5,329,723 km (0.053 R)
• M10: 6,481,926 km (0.116 R)
• M11: 7,689,331 km (0.097 R)
• M12: 8,292,060 km (0.104 R)
• M13: 11,606,700 km (0.107 R)
• M14: 12,496,209 km (0.109 R)
• M15: 12,933,185 km (0.09 R)
• M16: 15,218,292 km (0.08 R)
• M17: 16,630,496 km (0.071 R)
• M18: 19,713,858 km (0.108 R)
• M19: 20,776,003 km (0.051 R)
• M20: 21,321,287 km (0.088 R)
• M21: 21,946,008 km (0.12 R)
• M22: 25,332,006 km (0.055 R)
• M23: 26,907,271 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893

Radius: 10.4

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.84 AU - 5.76 AU

Year: 7013 Days

Day: 14.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,132,822 km

• M1: 129,851 km (0.103 R)
• M2: 484,248 km (0.066 R)
• M3: 836,850 km (0.117 R)
• M4: 1,197,830 km (0.068 R)
• M5: 1,530,685 km (0.113 R)
• M6: 2,067,742 km (0.076 R)
• M7: 3,497,449 km (0.056 R)
• M8: 4,218,810 km (0.1 R)
• M9: 4,858,939 km (0.092 R)
• M10: 5,627,124 km (0.076 R)
• M11: 7,639,814 km (0.076 R)
• M12: 8,293,706 km (0.104 R)
• M13: 10,480,976 km (0.075 R)
• M14: 15,895,671 km (0.065 R)
• M15: 16,825,422 km (0.104 R)
• M16: 18,939,539 km (0.049 R)
• M17: 19,308,298 km (0.091 R)
• M18: 19,681,844 km (0.077 R)
• M19: 20,753,713 km (0.114 R)
• M20: 22,598,404 km (0.089 R)
• M21: 23,858,916 km (0.098 R)
• M22: 25,521,995 km (0.1 R)
• M23: 26,611,516 km (0.102 R)
• M24: 30,669,059 km (0.105 R)
• M25: 31,178,141 km (0.051 R)
• M26: 39,986,763 km (0.118 R)
• M27: 41,084,811 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.8

Radius: 4.6

Gravity: 42.15 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.48 AU - 8.44 AU

Year: 12245 Days

Day: 19.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,132,822 km

• M1: 57,146 km (0.096 R)
• M2: 201,209 km (0.096 R)
• M3: 361,728 km (0.077 R)
• M4: 550,520 km (0.115 R)
• M5: 794,963 km (0.108 R)
• M6: 1,235,230 km (0.118 R)
• M7: 1,722,021 km (0.085 R)
• M8: 3,472,466 km (0.089 R)
• M9: 3,662,156 km (0.06 R)
• M10: 3,830,154 km (0.072 R)
• M11: 5,882,487 km (0.078 R)
• M12: 7,012,251 km (0.116 R)
• M13: 7,359,916 km (0.099 R)
• M14: 9,585,932 km (0.077 R)
• M15: 9,798,511 km (0.088 R)
• M16: 10,343,646 km (0.083 R)
• M17: 10,567,294 km (0.083 R)
• M18: 10,737,088 km (0.038 R)
• M19: 11,082,210 km (0.1 R)
• M20: 11,257,389 km (0.085 R)
• M21: 12,411,088 km (0.084 R)
• M22: 12,727,338 km (0.079 R)
• M23: 14,389,520 km (0.061 R)
• M24: 18,958,089 km (0.119 R)
• M25: 19,462,085 km (0.087 R)
• M26: 22,863,491 km (0.082 R)
• M27: 26,121,583 km (0.11 R)
• M28: 27,592,579 km (0.114 R)
• M29: 40,840,967 km (0.096 R)
• M30: 41,963,400 km (0.08 R)
• M31: 43,106,327 km (0.075 R)
• M32: 43,976,837 km (0.076 R)
• M33: 51,530,483 km (0.073 R)
• M34: 52,019,069 km (0.09 R)
• M35: 55,356,149 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.5

Radius: 6.5

Gravity: 14.05 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 8.35 AU - 13.51 AU

Year: 24097 Days

Day: 16.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 82,132,822 km

• M1: 80,783 km (0.095 R)
• M2: 634,744 km (0.059 R)
• M3: 930,948 km (0.092 R)
• M4: 3,221,141 km (0.052 R)
• M5: 3,689,981 km (0.079 R)
• M6: 4,442,458 km (0.103 R)
• M7: 6,030,589 km (0.08 R)
• M8: 6,247,207 km (0.115 R)
• M9: 6,834,828 km (0.028 R)
• M10: 8,015,454 km (0.118 R)
• M11: 8,654,237 km (0.107 R)
• M12: 9,852,815 km (0.12 R)
• M13: 13,290,275 km (0.086 R)
• M14: 13,956,883 km (0.102 R)
• M15: 15,925,142 km (0.084 R)
• M16: 16,173,175 km (0.067 R)
• M17: 16,507,826 km (0.098 R)
• M18: 18,981,277 km (0.087 R)
• M19: 19,730,912 km (0.096 R)
• M20: 20,402,906 km (0.03 R)
• M21: 24,538,688 km (0.099 R)
• M22: 26,918,641 km (0.119 R)
• M23: 27,153,061 km (0.103 R)
• M24: 28,709,926 km (0.113 R)
• M25: 33,872,399 km (0.068 R)
• M26: 34,282,746 km (0.058 R)
• M27: 35,393,510 km (0.075 R)
• M28: 40,382,300 km (0.083 R)
• M29: 49,236,250 km (0.088 R)
• M30: 51,545,592 km (0.081 R)
• M31: 57,535,790 km (0.053 R)
• M32: 62,526,375 km (0.11 R)
• M33: 66,293,100 km (0.111 R)
• M34: 66,720,650 km (0.109 R)
• M35: 66,935,174 km (0.118 R)
• M36: 67,150,146 km (0.078 R)
• M37: 68,667,816 km (0.064 R)
• M38: 73,815,329 km (0.092 R)
• M39: 77,544,206 km (0.116 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: 327 - 17,786 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit