🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500

Radius: 11.6

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.68 AU - 0.88 AU

Year: 445 Days

Day: 6.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,292,440 km

• M1: 144,212 km (0.084 R)
• M2: 543,339 km (0.079 R)
• M3: 997,967 km (0.098 R)
• M4: 1,444,218 km (0.112 R)
• M5: 1,831,826 km (0.119 R)
• M6: 2,351,379 km (0.051 R)
• M7: 3,094,731 km (0.09 R)
• M8: 3,463,640 km (0.109 R)
• M9: 4,014,459 km (0.097 R)
• M10: 5,168,756 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.5

Radius: 9

Gravity: 11.62 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.82 AU - 0.94 AU

Year: 533 Days

Day: 6.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,292,440 km

• M1: 111,899 km (0.059 R)
• M2: 399,127 km (0.102 R)
• M3: 682,765 km (0.107 R)
• M4: 1,157,439 km (0.05 R)
• M5: 1,540,409 km (0.114 R)
• M6: 1,858,604 km (0.097 R)
• M7: 2,328,491 km (0.088 R)
• M8: 3,004,673 km (0.08 R)
• M9: 3,695,367 km (0.082 R)
• M10: 4,841,735 km (0.116 R)
• M11: 5,214,084 km (0.088 R)
• M12: 5,827,136 km (0.119 R)
• M13: 7,503,530 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.2

Radius: 11.3

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.79 AU - 1.05 AU

Year: 570 Days

Day: 8.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 82,292,440 km

• M1: 140,472 km (0.071 R)
• M2: 849,566 km (0.077 R)
• M3: 1,262,606 km (0.07 R)
• M4: 1,645,128 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246

Radius: 8.9

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.89 AU - 2.13 AU

Year: 1840 Days

Day: 8.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,292,440 km

• M1: 110,702 km (0.12 R)
• M2: 442,062 km (0.081 R)
• M3: 868,266 km (0.071 R)
• M4: 1,302,399 km (0.027 R)
• M5: 1,744,311 km (0.099 R)
• M6: 3,466,332 km (0.11 R)
• M7: 4,750,780 km (0.068 R)
• M8: 6,508,704 km (0.074 R)
• M9: 7,880,816 km (0.075 R)
• M10: 8,858,887 km (0.081 R)
• M11: 10,956,548 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.5

Radius: 13.2

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.35 AU - 2.73 AU

Year: 2614 Days

Day: 9.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,292,440 km

• M1: 165,605 km (0.109 R)
• M2: 1,087,128 km (0.095 R)
• M3: 1,820,606 km (0.115 R)
• M4: 2,844,304 km (0.077 R)
• M5: 3,491,614 km (0.096 R)
• M6: 4,136,980 km (0.098 R)
• M7: 4,876,442 km (0.087 R)
• M8: 6,390,821 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.9

Radius: 11.7

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.92 AU - 4.24 AU

Year: 4374 Days

Day: 13.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,292,440 km

• M1: 149,149 km (0.057 R)
• M2: 577,897 km (0.118 R)
• M3: 1,026,391 km (0.111 R)
• M4: 1,888,823 km (0.035 R)
• M5: 3,151,429 km (0.072 R)
• M6: 4,536,855 km (0.105 R)
• M7: 9,993,886 km (0.106 R)
• M8: 10,669,470 km (0.037 R)
• M9: 11,495,848 km (0.074 R)
• M10: 14,138,944 km (0.096 R)
• M11: 15,135,864 km (0.083 R)

Asteroid Belt

Center: 3.96 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.5

Radius: 14.6

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.62 AU - 5.04 AU

Year: 5818 Days

Day: 6.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,292,440 km

• M1: 182,210 km (0.081 R)
• M2: 701,464 km (0.054 R)
• M3: 1,395,150 km (0.108 R)
• M4: 1,943,276 km (0.06 R)
• M5: 2,410,321 km (0.108 R)
• M6: 3,533,502 km (0.076 R)
• M7: 4,239,604 km (0.097 R)
• M8: 4,816,004 km (0.082 R)
• M9: 5,810,232 km (0.086 R)
• M10: 6,323,502 km (0.079 R)
• M11: 6,797,578 km (0.108 R)
• M12: 7,817,536 km (0.101 R)
• M13: 8,284,880 km (0.113 R)
• M14: 11,346,251 km (0.066 R)
• M15: 12,780,894 km (0.082 R)
• M16: 16,893,190 km (0.098 R)
• M17: 18,213,690 km (0.047 R)
• M18: 21,134,439 km (0.088 R)
• M19: 22,354,709 km (0.102 R)
• M20: 25,695,828 km (0.076 R)
• M21: 26,909,216 km (0.118 R)
• M22: 30,682,822 km (0.098 R)
• M23: 31,654,161 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.1

Radius: 9

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.76 AU - 5.6 AU

Year: 6537 Days

Day: 12.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 82,292,440 km

• M1: 124,914 km (0.068 R)
• M2: 594,801 km (0.071 R)
• M3: 1,192,594 km (0.116 R)
• M4: 1,979,180 km (0.11 R)
• M5: 2,347,340 km (0.101 R)
• M6: 3,351,591 km (0.069 R)
• M7: 3,853,940 km (0.115 R)
• M8: 4,250,076 km (0.097 R)
• M9: 4,646,061 km (0.081 R)
• M10: 5,330,771 km (0.118 R)
• M11: 6,048,541 km (0.117 R)
• M12: 7,225,876 km (0.12 R)
• M13: 7,868,698 km (0.032 R)
• M14: 8,967,644 km (0.092 R)
• M15: 9,754,978 km (0.036 R)
• M16: 10,398,698 km (0.047 R)
• M17: 11,168,678 km (0.104 R)
• M18: 13,314,958 km (0.114 R)
• M19: 14,222,718 km (0.077 R)
• M20: 14,990,006 km (0.085 R)
• M21: 15,660,653 km (0.099 R)
• M22: 18,475,487 km (0.067 R)
• M23: 19,603,754 km (0.089 R)
• M24: 20,479,649 km (0.086 R)
• M25: 21,002,494 km (0.084 R)
• M26: 28,541,778 km (0.101 R)
• M27: 30,239,564 km (0.117 R)
• M28: 31,605,841 km (0.036 R)
• M29: 32,505,523 km (0.091 R)
• M30: 32,910,933 km (0.051 R)
• M31: 34,461,066 km (0.113 R)
• M32: 35,094,464 km (0.115 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.9

Radius: 14.5

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.85 AU - 6.01 AU

Year: 7068 Days

Day: 14.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,292,440 km

• M1: 180,415 km (0.083 R)
• M2: 673,639 km (0.115 R)
• M3: 1,186,910 km (0.048 R)
• M4: 2,517,882 km (0.104 R)
• M5: 4,126,657 km (0.11 R)
• M6: 5,063,738 km (0.054 R)
• M7: 5,520,311 km (0.073 R)
• M8: 6,308,542 km (0.036 R)
• M9: 9,626,174 km (0.074 R)
• M10: 12,109,200 km (0.067 R)
• M11: 15,055,380 km (0.086 R)
• M12: 18,736,834 km (0.092 R)
• M13: 20,747,280 km (0.101 R)
• M14: 22,898,048 km (0.116 R)
• M15: 23,900,055 km (0.097 R)
• M16: 26,171,549 km (0.093 R)
• M17: 26,990,298 km (0.054 R)
• M18: 28,108,542 km (0.078 R)
• M19: 28,583,516 km (0.12 R)
• M20: 38,659,381 km (0.068 R)
• M21: 39,365,333 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783.5

Radius: 4.9

Gravity: 32.63 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 8.1 AU - 12.3 AU

Year: 21034 Days

Day: 17.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 82,292,440 km

• M1: 62,382 km (0.097 R)
• M2: 245,789 km (0.105 R)
• M3: 670,647 km (0.065 R)
• M4: 985,102 km (0.119 R)
• M5: 1,240,914 km (0.086 R)
• M6: 1,964,519 km (0.036 R)
• M7: 2,348,537 km (0.106 R)
• M8: 2,883,798 km (0.113 R)
• M9: 3,321,522 km (0.096 R)
• M10: 5,323,739 km (0.107 R)
• M11: 5,645,824 km (0.074 R)
• M12: 7,654,624 km (0.075 R)
• M13: 7,858,077 km (0.118 R)
• M14: 8,818,346 km (0.094 R)
• M15: 9,384,274 km (0.085 R)
• M16: 9,974,288 km (0.1 R)
• M17: 10,463,773 km (0.106 R)
• M18: 10,777,629 km (0.076 R)
• M19: 11,690,176 km (0.101 R)
• M20: 12,234,114 km (0.086 R)
• M21: 14,813,780 km (0.075 R)
• M22: 15,129,880 km (0.057 R)
• M23: 16,355,535 km (0.069 R)
• M24: 17,822,941 km (0.103 R)
• M25: 19,282,118 km (0.119 R)
• M26: 21,617,491 km (0.086 R)
• M27: 22,852,870 km (0.067 R)
• M28: 23,594,875 km (0.108 R)
• M29: 32,314,038 km (0.112 R)
• M30: 36,158,553 km (0.083 R)
• M31: 46,740,808 km (0.106 R)
• M32: 49,675,469 km (0.095 R)
• M33: 49,851,695 km (0.095 R)
• M34: 50,561,388 km (0.069 R)
• M35: 57,447,378 km (0.107 R)
• M36: 58,816,796 km (0.089 R)
• M37: 69,677,303 km (0.1 R)
• M38: 70,119,813 km (0.049 R)
• M39: 75,576,545 km (0.095 R)
• M40: 76,512,729 km (0.094 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 17,582 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit