🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.7

Radius: 9.5

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.53 AU - 0.63 AU

Year: 295 Days

Day: 14.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 47,064,075 km

• M1: 120,277 km (0.103 R)
• M2: 525,837 km (0.076 R)
• M3: 1,044,193 km (0.114 R)
• M4: 1,408,913 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.4

Radius: 8.5

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.89 AU - 1.15 AU

Year: 687 Days

Day: 8.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,064,075 km

• M1: 105,766 km (0.087 R)
• M2: 433,235 km (0.102 R)
• M3: 733,628 km (0.115 R)
• M4: 1,086,230 km (0.11 R)
• M5: 1,471,594 km (0.066 R)
• M6: 1,876,256 km (0.079 R)
• M7: 2,454,751 km (0.098 R)
• M8: 2,765,915 km (0.107 R)
• M9: 3,874,136 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.8

Radius: 12.5

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.52 AU - 1.68 AU

Year: 1350 Days

Day: 5.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,064,075 km

• M1: 155,432 km (0.116 R)
• M2: 549,024 km (0.093 R)
• M3: 1,088,175 km (0.068 R)
• M4: 1,579,454 km (0.116 R)
• M5: 2,062,655 km (0.108 R)
• M6: 2,736,145 km (0.116 R)
• M7: 3,846,610 km (0.117 R)
• M8: 4,467,591 km (0.094 R)
• M9: 5,321,047 km (0.057 R)
• M10: 6,093,570 km (0.113 R)
• M11: 6,519,326 km (0.039 R)
• M12: 7,247,119 km (0.119 R)
• M13: 7,698,606 km (0.111 R)
• M14: 8,425,352 km (0.098 R)
• M15: 8,835,400 km (0.052 R)
• M16: 11,089,541 km (0.083 R)
• M17: 11,511,407 km (0.041 R)
• M18: 12,537,648 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.7

Radius: 9.4

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.38 AU - 2.02 AU

Year: 1478 Days

Day: 9.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,064,075 km

• M1: 116,836 km (0.089 R)
• M2: 515,963 km (0.097 R)
• M3: 852,558 km (0.1 R)
• M4: 1,299,557 km (0.118 R)
• M5: 2,025,256 km (0.089 R)
• M6: 2,684,534 km (0.118 R)
• M7: 3,042,970 km (0.071 R)
• M8: 3,496,401 km (0.05 R)
• M9: 4,134,736 km (0.112 R)
• M10: 4,868,812 km (0.111 R)
• M11: 5,512,083 km (0.111 R)
• M12: 5,820,704 km (0.115 R)
• M13: 7,121,307 km (0.069 R)
• M14: 8,146,202 km (0.106 R)
• M15: 9,082,984 km (0.114 R)
• M16: 9,895,750 km (0.093 R)
• M17: 10,188,213 km (0.081 R)
• M18: 10,654,510 km (0.093 R)
• M19: 11,274,892 km (0.117 R)
• M20: 11,629,738 km (0.059 R)
• M21: 12,065,517 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.6

Radius: 11.6

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.57 AU - 1.87 AU

Year: 1504 Days

Day: 10.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,064,075 km

• M1: 144,362 km (0.099 R)
• M2: 724,502 km (0.109 R)
• M3: 1,088,325 km (0.092 R)
• M4: 1,525,599 km (0.083 R)
• M5: 2,136,258 km (0.109 R)
• M6: 2,932,567 km (0.099 R)
• M7: 3,455,112 km (0.116 R)
• M8: 3,831,800 km (0.118 R)
• M9: 4,401,768 km (0.118 R)
• M10: 4,826,027 km (0.105 R)
• M11: 5,579,253 km (0.091 R)
• M12: 6,629,280 km (0.086 R)
• M13: 7,188,477 km (0.07 R)
• M14: 7,917,617 km (0.111 R)
• M15: 8,635,986 km (0.081 R)
• M16: 10,236,234 km (0.053 R)
• M17: 12,437,567 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.6

Radius: 10.7

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.05 AU - 3.85 AU

Year: 4273 Days

Day: 5.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,064,075 km

• M1: 132,993 km (0.077 R)
• M2: 596,447 km (0.104 R)
• M3: 1,021,604 km (0.083 R)
• M4: 1,756,877 km (0.061 R)
• M5: 2,367,087 km (0.117 R)
• M6: 2,714,304 km (0.108 R)
• M7: 3,205,882 km (0.089 R)
• M8: 4,345,669 km (0.104 R)
• M9: 4,920,424 km (0.115 R)
• M10: 5,737,228 km (0.115 R)
• M11: 6,429,716 km (0.107 R)
• M12: 8,156,375 km (0.066 R)
• M13: 12,221,697 km (0.078 R)
• M14: 13,026,235 km (0.106 R)
• M15: 14,793,584 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.6

Radius: 9.6

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.14 AU - 5.76 AU

Year: 8484 Days

Day: 14.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,064,075 km

• M1: 119,379 km (0.117 R)
• M2: 424,409 km (0.044 R)
• M3: 798,404 km (0.076 R)
• M4: 1,108,969 km (0.065 R)
• M5: 1,626,129 km (0.068 R)
• M6: 2,790,299 km (0.097 R)
• M7: 3,218,748 km (0.114 R)
• M8: 3,548,611 km (0.047 R)
• M9: 4,368,407 km (0.097 R)
• M10: 6,440,338 km (0.111 R)
• M11: 7,455,060 km (0.062 R)
• M12: 7,793,002 km (0.031 R)
• M13: 8,757,160 km (0.031 R)
• M14: 9,326,081 km (0.114 R)
• M15: 16,106,754 km (0.043 R)
• M16: 17,905,220 km (0.081 R)
• M17: 19,260,127 km (0.045 R)
• M18: 21,691,093 km (0.101 R)
• M19: 22,451,499 km (0.061 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490

Radius: 8.7

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.3 AU - 5.92 AU

Year: 8861 Days

Day: 11.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,064,075 km

• M1: 112,797 km (0.05 R)
• M2: 468,241 km (0.087 R)
• M3: 793,467 km (0.061 R)
• M4: 1,631,066 km (0.064 R)
• M5: 7,606,005 km (0.08 R)
• M6: 7,963,543 km (0.081 R)
• M7: 9,690,800 km (0.119 R)
• M8: 11,550,152 km (0.105 R)
• M9: 14,223,915 km (0.058 R)
• M10: 17,558,152 km (0.119 R)
• M11: 19,627,241 km (0.104 R)
• M12: 20,149,936 km (0.067 R)
• M13: 20,682,055 km (0.106 R)
• M14: 21,853,706 km (0.109 R)
• M15: 25,193,777 km (0.036 R)
• M16: 25,633,894 km (0.069 R)
• M17: 30,024,891 km (0.073 R)
• M18: 32,657,066 km (0.087 R)
• M19: 33,922,364 km (0.109 R)
• M20: 37,228,029 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.2

Radius: 4.9

Gravity: 15.46 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.51 AU - 6.57 AU

Year: 11153 Days

Day: 21.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 47,064,075 km

• M1: 61,036 km (0.112 R)
• M2: 263,442 km (0.084 R)
• M3: 501,751 km (0.048 R)
• M4: 748,588 km (0.098 R)
• M5: 1,385,127 km (0.037 R)
• M6: 1,610,571 km (0.099 R)
• M7: 1,769,294 km (0.119 R)
• M8: 3,611,592 km (0.104 R)
• M9: 4,145,806 km (0.112 R)
• M10: 4,445,899 km (0.096 R)
• M11: 6,415,505 km (0.102 R)
• M12: 7,043,217 km (0.051 R)
• M13: 7,956,213 km (0.039 R)
• M14: 8,122,716 km (0.052 R)
• M15: 9,493,182 km (0.108 R)
• M16: 12,181,156 km (0.109 R)
• M17: 12,739,605 km (0.091 R)
• M18: 13,967,654 km (0.097 R)
• M19: 15,017,981 km (0.09 R)
• M20: 15,400,951 km (0.102 R)
• M21: 15,987,524 km (0.095 R)
• M22: 16,860,877 km (0.112 R)
• M23: 19,369,932 km (0.114 R)
• M24: 24,230,966 km (0.091 R)
• M25: 26,475,831 km (0.085 R)
• M26: 27,411,416 km (0.077 R)
• M27: 28,368,693 km (0.11 R)
• M28: 28,660,259 km (0.113 R)
• M29: 36,958,902 km (0.093 R)
• M30: 37,891,046 km (0.096 R)
• M31: 38,481,509 km (0.107 R)
• M32: 40,167,477 km (0.075 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.1

Radius: 4

Gravity: 11.82 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 7.81 AU - 10.53 AU

Year: 18518 Days

Day: 20.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,064,075 km

• M1: 49,816 km (0.06 R)
• M2: 260,899 km (0.112 R)
• M3: 454,778 km (0.114 R)
• M4: 659,876 km (0.1 R)
• M5: 857,196 km (0.115 R)
• M6: 995,873 km (0.072 R)
• M7: 1,184,516 km (0.072 R)
• M8: 3,104,006 km (0.093 R)
• M9: 3,946,392 km (0.065 R)
• M10: 5,249,090 km (0.114 R)
• M11: 9,705,461 km (0.117 R)
• M12: 9,953,046 km (0.085 R)
• M13: 16,314,246 km (0.081 R)
• M14: 17,524,792 km (0.107 R)
• M15: 18,947,019 km (0.11 R)
• M16: 20,933,230 km (0.096 R)
• M17: 28,415,966 km (0.062 R)
• M18: 30,267,539 km (0.042 R)
• M19: 30,583,789 km (0.103 R)
• M20: 32,307,605 km (0.077 R)
• M21: 36,302,317 km (0.096 R)
• M22: 39,851,676 km (0.049 R)
• M23: 40,104,646 km (0.09 R)
• M24: 40,358,663 km (0.054 R)
• M25: 42,036,254 km (0.096 R)
• M26: 45,254,253 km (0.087 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 14,009 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit