🌌 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: 73.6

Radius: 14.2

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.49 AU - 0.67 AU

Year: 305 Days

Day: 9.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 90,290,346 km

• M1: 176,675 km (0.118 R)
• M2: 681,269 km (0.099 R)
• M3: 1,186,012 km (0.109 R)
• M4: 1,714,392 km (0.056 R)
• M5: 2,223,922 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688

Radius: 8.6

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.5 AU - 0.74 AU

Year: 337 Days

Day: 12.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,290,346 km

• M1: 108,608 km (0.031 R)
• M2: 430,094 km (0.106 R)
• M3: 1,496,876 km (0.109 R)
• M4: 1,839,007 km (0.044 R)
• M5: 2,117,259 km (0.088 R)
• M6: 2,550,943 km (0.049 R)
• M7: 2,829,045 km (0.112 R)
• M8: 3,267,965 km (0.069 R)
• M9: 3,703,744 km (0.029 R)
• M10: 4,125,909 km (0.119 R)
• M11: 4,719,813 km (0.076 R)
• M12: 4,993,278 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.7

Radius: 8.8

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.01 AU - 1.03 AU

Year: 711 Days

Day: 8.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,290,346 km

• M1: 112,498 km (0.086 R)
• M2: 637,437 km (0.109 R)
• M3: 1,144,723 km (0.117 R)
• M4: 1,683,724 km (0.099 R)
• M5: 2,203,128 km (0.093 R)
• M6: 2,544,211 km (0.081 R)
• M7: 3,028,459 km (0.107 R)
• M8: 3,428,035 km (0.08 R)
• M9: 5,245,350 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.4

Radius: 15

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.39 AU - 1.55 AU

Year: 1230 Days

Day: 14.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,290,346 km

• M1: 186,848 km (0.094 R)
• M2: 734,376 km (0.078 R)
• M3: 1,457,532 km (0.095 R)
• M4: 2,006,706 km (0.079 R)
• M5: 2,625,293 km (0.064 R)
• M6: 3,624,457 km (0.111 R)
• M7: 4,689,145 km (0.091 R)
• M8: 6,077,264 km (0.087 R)
• M9: 9,041,845 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936

Radius: 10.2

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.09 AU - 3.91 AU

Year: 4520 Days

Day: 14.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 90,290,346 km

• M1: 128,205 km (0.091 R)
• M2: 506,389 km (0.114 R)
• M3: 1,331,571 km (0.082 R)
• M4: 1,732,942 km (0.054 R)
• M5: 2,153,761 km (0.088 R)
• M6: 3,304,467 km (0.038 R)
• M7: 3,752,663 km (0.09 R)
• M8: 4,097,336 km (0.096 R)
• M9: 4,667,304 km (0.032 R)
• M10: 5,233,083 km (0.099 R)
• M11: 5,813,972 km (0.05 R)
• M12: 7,419,456 km (0.112 R)
• M13: 9,850,571 km (0.095 R)
• M14: 10,375,959 km (0.088 R)
• M15: 12,464,495 km (0.111 R)
• M16: 13,288,928 km (0.039 R)
• M17: 15,334,679 km (0.045 R)
• M18: 17,203,456 km (0.056 R)
• M19: 18,290,434 km (0.051 R)
• M20: 19,833,087 km (0.076 R)
• M21: 20,389,442 km (0.093 R)
• M22: 22,269,887 km (0.104 R)
• M23: 23,560,169 km (0.098 R)
• M24: 24,980,002 km (0.098 R)
• M25: 26,791,782 km (0.109 R)
• M26: 27,471,854 km (0.106 R)
• M27: 28,601,467 km (0.1 R)
• M28: 30,952,996 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.6

Radius: 14.1

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.34 AU - 4.02 AU

Year: 4873 Days

Day: 9.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,290,346 km

• M1: 175,478 km (0.108 R)
• M2: 1,105,079 km (0.046 R)
• M3: 1,595,611 km (0.105 R)
• M4: 2,248,606 km (0.079 R)
• M5: 3,245,526 km (0.113 R)
• M6: 3,878,175 km (0.07 R)
• M7: 4,399,973 km (0.099 R)
• M8: 5,311,472 km (0.105 R)
• M9: 5,812,625 km (0.107 R)
• M10: 6,499,130 km (0.118 R)
• M11: 7,139,558 km (0.107 R)
• M12: 8,510,024 km (0.061 R)
• M13: 10,387,029 km (0.114 R)
• M14: 12,770,273 km (0.052 R)
• M15: 13,623,130 km (0.091 R)
• M16: 14,142,235 km (0.119 R)
• M17: 16,179,159 km (0.035 R)
• M18: 19,298,275 km (0.111 R)
• M19: 20,488,924 km (0.098 R)
• M20: 21,798,355 km (0.03 R)
• M21: 24,736,606 km (0.094 R)
• M22: 26,944,222 km (0.037 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.7

Radius: 13.2

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.57 AU - 6.23 AU

Year: 8662 Days

Day: 8.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 90,290,346 km

• M1: 164,109 km (0.082 R)
• M2: 674,238 km (0.066 R)
• M3: 1,203,814 km (0.095 R)
• M4: 2,194,750 km (0.109 R)
• M5: 2,635,166 km (0.068 R)
• M6: 4,136,980 km (0.076 R)
• M7: 5,702,671 km (0.051 R)
• M8: 6,769,752 km (0.057 R)
• M9: 8,007,824 km (0.065 R)
• M10: 8,974,376 km (0.077 R)
• M11: 10,466,615 km (0.101 R)
• M12: 11,951,523 km (0.07 R)
• M13: 12,400,467 km (0.118 R)
• M14: 13,095,050 km (0.08 R)
• M15: 13,815,513 km (0.089 R)
• M16: 14,248,000 km (0.101 R)
• M17: 16,340,875 km (0.091 R)
• M18: 17,894,000 km (0.111 R)
• M19: 19,389,530 km (0.117 R)
• M20: 21,538,503 km (0.119 R)
• M21: 22,798,715 km (0.118 R)
• M22: 23,229,557 km (0.081 R)
• M23: 24,196,708 km (0.055 R)
• M24: 29,642,818 km (0.095 R)
• M25: 31,946,924 km (0.096 R)
• M26: 32,486,823 km (0.06 R)
• M27: 33,696,023 km (0.081 R)
• M28: 35,278,170 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 969.3

Radius: 5

Gravity: 38.77 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.74 AU - 6.6 AU

Year: 10579 Days

Day: 15.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 90,290,346 km

• M1: 65,225 km (0.094 R)
• M2: 246,836 km (0.111 R)
• M3: 664,514 km (0.095 R)
• M4: 824,135 km (0.081 R)
• M5: 1,089,072 km (0.09 R)
• M6: 1,395,299 km (0.075 R)
• M7: 1,708,707 km (0.071 R)
• M8: 1,942,828 km (0.04 R)
• M9: 3,028,758 km (0.098 R)
• M10: 3,296,838 km (0.05 R)
• M11: 3,742,191 km (0.097 R)
• M12: 4,050,961 km (0.104 R)
• M13: 4,346,267 km (0.096 R)
• M14: 5,782,706 km (0.119 R)
• M15: 7,378,466 km (0.055 R)
• M16: 7,552,598 km (0.115 R)
• M17: 8,000,195 km (0.061 R)
• M18: 8,370,749 km (0.059 R)
• M19: 10,235,187 km (0.069 R)
• M20: 13,234,475 km (0.115 R)
• M21: 14,150,163 km (0.081 R)
• M22: 16,400,265 km (0.057 R)
• M23: 17,687,555 km (0.064 R)
• M24: 19,368,885 km (0.093 R)
• M25: 20,719,455 km (0.109 R)
• M26: 22,403,029 km (0.1 R)
• M27: 22,677,092 km (0.055 R)
• M28: 23,324,851 km (0.108 R)
• M29: 24,754,558 km (0.066 R)
• M30: 26,955,592 km (0.108 R)
• M31: 29,175,175 km (0.052 R)
• M32: 35,066,339 km (0.097 R)
• M33: 37,193,621 km (0.087 R)
• M34: 38,353,902 km (0.082 R)
• M35: 46,120,425 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.9

Radius: 3.5

Gravity: 10.85 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 6.25 AU - 6.99 AU

Year: 11757 Days

Day: 19.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,290,346 km

• M1: 43,683 km (0.077 R)
• M2: 276,008 km (0.093 R)
• M3: 491,878 km (0.112 R)
• M4: 617,989 km (0.1 R)
• M5: 1,008,290 km (0.117 R)
• M6: 1,671,307 km (0.082 R)
• M7: 1,960,330 km (0.076 R)
• M8: 3,351,591 km (0.092 R)
• M9: 4,796,856 km (0.089 R)
• M10: 5,320,448 km (0.113 R)
• M11: 6,710,811 km (0.101 R)
• M12: 7,188,477 km (0.1 R)
• M13: 7,579,526 km (0.117 R)
• M14: 9,835,013 km (0.099 R)
• M15: 11,184,834 km (0.068 R)
• M16: 13,540,103 km (0.088 R)
• M17: 14,080,600 km (0.111 R)
• M18: 14,356,160 km (0.102 R)
• M19: 20,793,206 km (0.027 R)
• M20: 28,565,265 km (0.039 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900.2

Radius: 8

Gravity: 14.07 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 9.47 AU - 10.97 AU

Year: 22552 Days

Day: 19.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 90,290,346 km

• M1: 99,483 km (0.118 R)
• M2: 352,303 km (0.086 R)
• M3: 689,197 km (0.086 R)
• M4: 1,361,939 km (0.05 R)
• M5: 1,835,566 km (0.055 R)
• M6: 2,165,429 km (0.034 R)
• M7: 3,459,900 km (0.069 R)
• M8: 6,592,479 km (0.11 R)
• M9: 7,834,740 km (0.092 R)
• M10: 8,993,375 km (0.105 R)
• M11: 11,305,859 km (0.038 R)
• M12: 11,853,537 km (0.066 R)
• M13: 12,781,044 km (0.12 R)
• M14: 17,515,367 km (0.113 R)
• M15: 18,341,746 km (0.066 R)
• M16: 19,002,071 km (0.044 R)
• M17: 35,619,552 km (0.116 R)
• M18: 37,845,120 km (0.106 R)
• M19: 40,954,511 km (0.072 R)
• M20: 45,416,717 km (0.093 R)
• M21: 49,103,706 km (0.099 R)
• M22: 50,559,144 km (0.036 R)
• M23: 53,365,300 km (0.061 R)
• M24: 57,666,239 km (0.097 R)
• M25: 61,143,941 km (0.065 R)
• M26: 66,950,582 km (0.109 R)
• M27: 68,513,880 km (0.111 R)
• M28: 69,872,977 km (0.099 R)
• M29: 75,249,973 km (0.103 R)
• M30: 75,970,885 km (0.222 R)
• M31: 79,645,458 km (0.156 R)
• M32: 85,246,551 km (0.039 R)
• M33: 86,030,145 km (0.047 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 19,408 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit