🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.6

Radius: 10.7

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.47 AU - 0.57 AU

Year: 264 Days

Day: 13.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,027,046 km

• M1: 133,142 km (0.089 R)
• M2: 600,336 km (0.108 R)
• M3: 1,036,564 km (0.115 R)
• M4: 1,393,355 km (0.105 R)
• M5: 1,744,012 km (0.085 R)
• M6: 2,091,677 km (0.065 R)
• M7: 2,451,460 km (0.083 R)
• M8: 2,814,534 km (0.113 R)
• M9: 3,416,367 km (0.067 R)
• M10: 4,003,987 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.4

Radius: 14.6

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.53 AU - 0.59 AU

Year: 295 Days

Day: 12.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 39,027,046 km

• M1: 181,612 km (0.083 R)
• M2: 1,162,974 km (0.045 R)
• M3: 1,713,494 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.9

Radius: 8.8

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.53 AU - 0.77 AU

Year: 368 Days

Day: 9.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,027,046 km

• M1: 109,506 km (0.1 R)
• M2: 391,198 km (0.12 R)
• M3: 728,542 km (0.113 R)
• M4: 1,005,298 km (0.1 R)
• M5: 1,510,490 km (0.072 R)
• M6: 1,893,460 km (0.106 R)
• M7: 2,169,618 km (0.064 R)
• M8: 2,744,373 km (0.089 R)
• M9: 3,156,365 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.7

Radius: 12.3

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.64 AU - 1.68 AU

Year: 1503 Days

Day: 10.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,027,046 km

• M1: 153,039 km (0.097 R)
• M2: 541,544 km (0.084 R)
• M3: 939,923 km (0.088 R)
• M4: 1,426,416 km (0.112 R)
• M5: 2,027,201 km (0.092 R)
• M6: 2,473,451 km (0.059 R)
• M7: 3,273,650 km (0.097 R)
• M8: 4,107,210 km (0.081 R)
• M9: 4,878,536 km (0.102 R)
• M10: 5,368,768 km (0.101 R)
• M11: 6,004,260 km (0.101 R)
• M12: 6,548,198 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.5

Radius: 10.2

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.45 AU - 1.99 AU

Year: 1586 Days

Day: 13.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,027,046 km

• M1: 126,859 km (0.049 R)
• M2: 469,438 km (0.113 R)
• M3: 787,633 km (0.081 R)
• M4: 1,188,854 km (0.055 R)
• M5: 1,860,399 km (0.111 R)
• M6: 2,198,042 km (0.101 R)
• M7: 2,550,195 km (0.089 R)
• M8: 3,668,140 km (0.037 R)
• M9: 4,020,293 km (0.12 R)
• M10: 4,752,126 km (0.083 R)
• M11: 5,302,497 km (0.037 R)
• M12: 6,207,115 km (0.116 R)
• M13: 6,657,853 km (0.118 R)
• M14: 6,996,992 km (0.109 R)
• M15: 7,541,229 km (0.083 R)
• M16: 8,440,461 km (0.114 R)
• M17: 9,704,563 km (0.099 R)
• M18: 10,556,224 km (0.102 R)
• M19: 10,946,375 km (0.101 R)
• M20: 11,945,091 km (0.089 R)
• M21: 13,043,738 km (0.116 R)
• M22: 13,534,718 km (0.065 R)

Asteroid Belt

Center: 2.73 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.4

Radius: 8.1

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.56 AU - 3.92 AU

Year: 5084 Days

Day: 6.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,027,046 km

• M1: 104,270 km (0.072 R)
• M2: 364,720 km (0.06 R)
• M3: 754,721 km (0.057 R)
• M4: 1,833,023 km (0.082 R)
• M5: 2,145,383 km (0.12 R)
• M6: 2,406,431 km (0.084 R)
• M7: 3,162,649 km (0.082 R)
• M8: 3,558,485 km (0.063 R)
• M9: 3,966,887 km (0.043 R)
• M10: 4,537,453 km (0.1 R)
• M11: 6,135,308 km (0.107 R)
• M12: 6,986,669 km (0.11 R)
• M13: 7,627,995 km (0.077 R)
• M14: 8,241,646 km (0.097 R)
• M15: 9,312,617 km (0.118 R)
• M16: 11,231,509 km (0.1 R)
• M17: 12,457,912 km (0.081 R)
• M18: 15,224,276 km (0.061 R)
• M19: 15,884,601 km (0.104 R)
• M20: 17,868,867 km (0.11 R)
• M21: 18,318,708 km (0.089 R)
• M22: 19,240,979 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.8

Radius: 9.5

Gravity: 10.46 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.77 AU - 3.81 AU

Year: 5186 Days

Day: 5.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 39,027,046 km

• M1: 118,182 km (0.107 R)
• M2: 454,478 km (0.117 R)
• M3: 808,576 km (0.085 R)
• M4: 1,242,560 km (0.116 R)
• M5: 1,589,328 km (0.112 R)
• M6: 2,000,872 km (0.093 R)
• M7: 2,808,251 km (0.115 R)
• M8: 3,265,722 km (0.109 R)
• M9: 3,657,818 km (0.114 R)
• M10: 4,229,581 km (0.074 R)
• M11: 4,616,291 km (0.068 R)
• M12: 5,226,501 km (0.051 R)
• M13: 5,826,837 km (0.095 R)
• M14: 6,952,262 km (0.12 R)
• M15: 7,678,859 km (0.071 R)
• M16: 8,535,456 km (0.098 R)
• M17: 9,239,912 km (0.12 R)
• M18: 10,254,186 km (0.065 R)
• M19: 13,139,779 km (0.032 R)
• M20: 15,419,501 km (0.111 R)
• M21: 16,401,013 km (0.117 R)
• M22: 16,716,216 km (0.103 R)
• M23: 17,099,785 km (0.113 R)
• M24: 18,488,502 km (0.075 R)
• M25: 20,600,674 km (0.089 R)
• M26: 22,869,026 km (0.065 R)
• M27: 23,982,483 km (0.041 R)
• M28: 25,974,828 km (0.106 R)
• M29: 27,011,242 km (0.111 R)
• M30: 29,258,800 km (0.1 R)
• M31: 31,822,908 km (0.027 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.3

Radius: 14

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.3 AU - 5.2 AU

Year: 6159 Days

Day: 9.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,027,046 km

• M1: 174,431 km (0.049 R)
• M2: 654,640 km (0.105 R)
• M3: 1,575,116 km (0.103 R)
• M4: 2,594,925 km (0.117 R)
• M5: 3,396,320 km (0.098 R)
• M6: 5,149,757 km (0.099 R)
• M7: 5,943,224 km (0.103 R)
• M8: 6,386,034 km (0.116 R)
• M9: 7,999,297 km (0.107 R)
• M10: 8,820,440 km (0.104 R)
• M11: 10,223,369 km (0.117 R)
• M12: 10,722,727 km (0.091 R)
• M13: 15,208,120 km (0.117 R)
• M14: 16,778,897 km (0.108 R)
• M15: 17,927,958 km (0.078 R)
• M16: 20,311,950 km (0.097 R)
• M17: 21,175,878 km (0.093 R)
• M18: 23,599,812 km (0.034 R)
• M19: 31,496,485 km (0.039 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.1

Radius: 8.8

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.67 AU - 5.47 AU

Year: 8025 Days

Day: 11.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,027,046 km

• M1: 109,655 km (0.102 R)
• M2: 417,827 km (0.119 R)
• M3: 717,023 km (0.055 R)
• M4: 1,009,786 km (0.109 R)
• M5: 2,400,298 km (0.109 R)
• M6: 2,837,872 km (0.11 R)
• M7: 3,593,640 km (0.111 R)
• M8: 4,610,756 km (0.068 R)
• M9: 4,998,813 km (0.112 R)
• M10: 5,714,639 km (0.085 R)
• M11: 7,021,526 km (0.08 R)
• M12: 7,312,494 km (0.109 R)
• M13: 10,447,317 km (0.108 R)
• M14: 11,971,121 km (0.095 R)
• M15: 15,090,087 km (0.117 R)
• M16: 15,822,668 km (0.03 R)
• M17: 19,062,209 km (0.082 R)
• M18: 23,196,347 km (0.09 R)
• M19: 24,254,303 km (0.099 R)
• M20: 24,837,136 km (0.06 R)
• M21: 26,465,958 km (0.084 R)
• M22: 27,261,968 km (0.105 R)
• M23: 27,982,731 km (0.087 R)
• M24: 30,799,359 km (0.05 R)
• M25: 33,799,694 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.5

Radius: 7.8

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.74 AU - 7.76 AU

Year: 10983 Days

Day: 24.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,027,046 km

• M1: 97,089 km (0.113 R)
• M2: 558,449 km (0.116 R)
• M3: 1,290,730 km (0.084 R)
• M4: 1,681,779 km (0.094 R)
• M5: 1,943,725 km (0.086 R)
• M6: 2,233,197 km (0.056 R)
• M7: 2,532,842 km (0.082 R)
• M8: 5,080,942 km (0.089 R)
• M9: 7,653,427 km (0.102 R)
• M10: 9,020,602 km (0.052 R)
• M11: 9,285,689 km (0.101 R)
• M12: 10,398,249 km (0.098 R)
• M13: 11,137,262 km (0.117 R)
• M14: 12,500,548 km (0.082 R)
• M15: 14,627,530 km (0.098 R)
• M16: 16,851,303 km (0.097 R)
• M17: 17,389,556 km (0.115 R)
• M18: 20,939,663 km (0.072 R)
• M19: 22,761,466 km (0.069 R)
• M20: 27,449,115 km (0.072 R)
• M21: 27,726,918 km (0.091 R)
• M22: 36,513,848 km (0.118 R)
• M23: 36,962,492 km (0.075 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 15,444 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit