🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.57 AU - 0.77 AU

Year: 354 Days

Day: 46.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 23.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 71,942,841 km

• M1: 48,769 km (0.111 R)
• M2: 569,968 km (0.047 R)

Asteroid Belt

Center: 1.22 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.9

Radius: 12.9

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.71 AU - 1.83 AU

Year: 1520 Days

Day: 8.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,942,841 km

• M1: 160,818 km (0.053 R)
• M2: 591,061 km (0.083 R)
• M3: 1,004,849 km (0.068 R)
• M4: 1,947,465 km (0.114 R)
• M5: 2,719,988 km (0.101 R)
• M6: 4,063,677 km (0.043 R)
• M7: 4,893,496 km (0.119 R)
• M8: 8,356,537 km (0.091 R)
• M9: 10,120,745 km (0.069 R)
• M10: 12,271,065 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271

Radius: 14.5

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.67 AU - 2.51 AU

Year: 1951 Days

Day: 9.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,942,841 km

• M1: 180,265 km (0.088 R)
• M2: 715,078 km (0.066 R)
• M3: 1,235,379 km (0.115 R)
• M4: 2,046,499 km (0.106 R)
• M5: 2,697,998 km (0.109 R)
• M6: 3,592,742 km (0.097 R)
• M7: 5,256,720 km (0.118 R)
• M8: 6,560,166 km (0.119 R)
• M9: 7,440,101 km (0.092 R)
• M10: 8,397,377 km (0.111 R)
• M11: 9,021,948 km (0.105 R)
• M12: 10,396,454 km (0.117 R)
• M13: 11,836,333 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.3

Radius: 8.3

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.94 AU - 4.66 AU

Year: 5757 Days

Day: 14.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,942,841 km

• M1: 103,223 km (0.094 R)
• M2: 405,111 km (0.045 R)
• M3: 700,417 km (0.055 R)
• M4: 1,225,057 km (0.038 R)
• M5: 1,682,976 km (0.062 R)
• M6: 1,952,551 km (0.118 R)
• M7: 2,396,857 km (0.03 R)
• M8: 3,045,663 km (0.109 R)
• M9: 3,488,323 km (0.084 R)
• M10: 3,847,807 km (0.04 R)
• M11: 4,433,482 km (0.097 R)
• M12: 5,331,070 km (0.045 R)
• M13: 7,911,633 km (0.098 R)
• M14: 8,930,394 km (0.072 R)
• M15: 9,759,765 km (0.085 R)
• M16: 10,516,581 km (0.112 R)
• M17: 13,307,030 km (0.1 R)
• M18: 16,062,473 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.9

Radius: 8.7

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.96 AU - 4.88 AU

Year: 6000 Days

Day: 11.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,942,841 km

• M1: 108,159 km (0.082 R)
• M2: 554,410 km (0.054 R)
• M3: 1,564,943 km (0.073 R)
• M4: 2,576,823 km (0.107 R)
• M5: 2,939,299 km (0.089 R)
• M6: 4,043,930 km (0.115 R)
• M7: 4,612,402 km (0.104 R)
• M8: 5,205,108 km (0.067 R)
• M9: 6,219,831 km (0.114 R)
• M10: 8,094,142 km (0.118 R)
• M11: 9,325,931 km (0.028 R)
• M12: 12,256,404 km (0.086 R)
• M13: 17,723,907 km (0.107 R)
• M14: 19,512,948 km (0.084 R)
• M15: 20,415,771 km (0.115 R)
• M16: 21,491,978 km (0.07 R)
• M17: 24,070,597 km (0.107 R)
• M18: 24,947,240 km (0.082 R)
• M19: 25,844,977 km (0.11 R)
• M20: 26,511,136 km (0.072 R)
• M21: 26,848,629 km (0.052 R)
• M22: 27,704,628 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.5

Radius: 7.3

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.92 AU - 7.24 AU

Year: 9680 Days

Day: 20.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,942,841 km

• M1: 90,806 km (0.088 R)
• M2: 828,922 km (0.097 R)
• M3: 1,164,619 km (0.115 R)
• M4: 1,496,577 km (0.094 R)
• M5: 1,860,549 km (0.099 R)
• M6: 2,113,070 km (0.054 R)
• M7: 3,012,004 km (0.082 R)
• M8: 4,250,076 km (0.099 R)
• M9: 4,662,966 km (0.073 R)
• M10: 8,340,081 km (0.105 R)
• M11: 9,668,361 km (0.119 R)
• M12: 11,080,864 km (0.106 R)
• M13: 28,027,161 km (0.027 R)
• M14: 28,504,378 km (0.115 R)
• M15: 29,968,642 km (0.101 R)
• M16: 35,544,454 km (0.112 R)
• M17: 37,584,969 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 438.9

Radius: 7.2

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.78 AU - 12.54 AU

Year: 20910 Days

Day: 17.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,942,841 km

• M1: 90,806 km (0.081 R)
• M2: 421,118 km (0.111 R)
• M3: 645,814 km (0.033 R)
• M4: 1,221,766 km (0.097 R)
• M5: 1,523,804 km (0.092 R)
• M6: 2,449,067 km (0.102 R)
• M7: 3,237,896 km (0.077 R)
• M8: 3,940,558 km (0.051 R)
• M9: 7,185,485 km (0.058 R)
• M10: 7,599,273 km (0.089 R)
• M11: 12,260,742 km (0.088 R)
• M12: 14,811,835 km (0.066 R)
• M13: 32,236,546 km (0.12 R)
• M14: 32,608,297 km (0.074 R)
• M15: 33,234,513 km (0.091 R)
• M16: 35,687,170 km (0.03 R)
• M17: 51,784,649 km (0.119 R)
• M18: 58,312,951 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 469.1

Radius: 4

Gravity: 29.32 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 8.18 AU - 12.98 AU

Year: 22220 Days

Day: 21.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,942,841 km

• M1: 49,816 km (0.063 R)
• M2: 207,642 km (0.054 R)
• M3: 378,632 km (0.107 R)
• M4: 542,891 km (0.073 R)
• M5: 1,031,178 km (0.089 R)
• M6: 1,512,584 km (0.072 R)
• M7: 1,895,405 km (0.11 R)
• M8: 2,069,537 km (0.039 R)
• M9: 3,293,397 km (0.083 R)
• M10: 3,901,961 km (0.091 R)
• M11: 6,644,838 km (0.12 R)
• M12: 6,866,542 km (0.107 R)
• M13: 7,185,335 km (0.094 R)
• M14: 8,664,260 km (0.113 R)
• M15: 10,042,355 km (0.029 R)
• M16: 10,452,852 km (0.046 R)
• M17: 11,751,810 km (0.092 R)
• M18: 13,434,038 km (0.091 R)
• M19: 15,578,673 km (0.073 R)
• M20: 17,517,611 km (0.11 R)
• M21: 19,793,444 km (0.116 R)
• M22: 22,855,263 km (0.089 R)
• M23: 24,080,470 km (0.108 R)
• M24: 31,733,897 km (0.038 R)
• M25: 32,743,533 km (0.088 R)
• M26: 32,871,290 km (0.107 R)
• M27: 37,274,703 km (0.108 R)
• M28: 45,142,653 km (0.116 R)
• M29: 47,065,884 km (0.111 R)
• M30: 47,718,878 km (0.113 R)
• M31: 48,212,551 km (0.075 R)
• M32: 52,111,221 km (0.036 R)
• M33: 57,877,471 km (0.054 R)
• M34: 64,454,542 km (0.067 R)
• M35: 65,664,639 km (0.066 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 16,070 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit