🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.1

Radius: 8

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.56 AU - 0.84 AU

Year: 391 Days

Day: 5.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,931,855 km

• M1: 100,829 km (0.105 R)
• M2: 398,529 km (0.037 R)
• M3: 671,994 km (0.111 R)
• M4: 931,845 km (0.069 R)
• M5: 1,836,763 km (0.097 R)
• M6: 2,188,467 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.3

Radius: 14.9

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.56 AU - 1.78 AU

Year: 1439 Days

Day: 12 Hours

Environment

Temp: -201 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,931,855 km

• M1: 185,352 km (0.059 R)
• M2: 932,294 km (0.053 R)
• M3: 1,493,436 km (0.059 R)
• M4: 2,074,174 km (0.068 R)
• M5: 3,295,491 km (0.119 R)
• M6: 4,066,070 km (0.068 R)
• M7: 4,626,913 km (0.029 R)
• M8: 5,278,262 km (0.049 R)
• M9: 10,064,047 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.1

Radius: 11.9

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.25 AU - 2.45 AU

Year: 2402 Days

Day: 8.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,931,855 km

• M1: 147,952 km (0.037 R)
• M2: 682,465 km (0.092 R)
• M3: 1,118,693 km (0.057 R)
• M4: 1,851,573 km (0.047 R)
• M5: 2,263,117 km (0.032 R)
• M6: 3,458,254 km (0.093 R)
• M7: 4,166,749 km (0.054 R)
• M8: 4,566,325 km (0.116 R)
• M9: 5,124,176 km (0.111 R)
• M10: 5,513,280 km (0.091 R)
• M11: 6,096,412 km (0.066 R)
• M12: 6,910,075 km (0.117 R)
• M13: 8,218,309 km (0.1 R)
• M14: 8,721,257 km (0.104 R)
• M15: 9,345,080 km (0.042 R)
• M16: 9,754,380 km (0.088 R)
• M17: 10,390,619 km (0.04 R)
• M18: 10,830,138 km (0.104 R)
• M19: 12,304,275 km (0.109 R)
• M20: 13,047,477 km (0.061 R)
• M21: 13,732,935 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.9

Radius: 11.1

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.89 AU - 5.69 AU

Year: 6991 Days

Day: 5.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,931,855 km

• M1: 138,079 km (0.097 R)
• M2: 520,900 km (0.096 R)
• M3: 1,101,340 km (0.077 R)
• M4: 1,448,407 km (0.102 R)
• M5: 2,518,181 km (0.114 R)
• M6: 2,885,294 km (0.115 R)
• M7: 4,616,441 km (0.09 R)
• M8: 5,607,227 km (0.112 R)
• M9: 7,332,540 km (0.056 R)
• M10: 8,254,212 km (0.117 R)
• M11: 9,755,876 km (0.075 R)
• M12: 12,229,776 km (0.109 R)
• M13: 13,641,082 km (0.095 R)
• M14: 14,599,555 km (0.042 R)
• M15: 16,120,667 km (0.114 R)
• M16: 19,253,096 km (0.054 R)
• M17: 19,624,548 km (0.119 R)
• M18: 25,517,806 km (0.09 R)
• M19: 26,786,546 km (0.105 R)
• M20: 28,287,461 km (0.087 R)
• M21: 28,961,549 km (0.116 R)
• M22: 29,744,844 km (0.075 R)
• M23: 31,559,167 km (0.111 R)
• M24: 36,984,184 km (0.068 R)
• M25: 38,961,868 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.2

Radius: 4.9

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 7.91 AU - 9.91 AU

Year: 17736 Days

Day: 23.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,931,855 km

• M1: 61,634 km (0.095 R)
• M2: 224,995 km (0.064 R)
• M3: 1,145,172 km (0.089 R)
• M4: 1,631,963 km (0.116 R)
• M5: 3,438,956 km (0.103 R)
• M6: 6,273,985 km (0.119 R)
• M7: 6,481,777 km (0.085 R)
• M8: 7,021,526 km (0.078 R)
• M9: 8,649,599 km (0.12 R)
• M10: 10,513,290 km (0.042 R)
• M11: 13,412,047 km (0.086 R)
• M12: 15,699,549 km (0.094 R)
• M13: 16,407,446 km (0.088 R)
• M14: 22,367,874 km (0.111 R)
• M15: 27,821,464 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187.8

Radius: 7.8

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 8.53 AU - 9.41 AU

Year: 17915 Days

Day: 16.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,931,855 km

• M1: 97,089 km (0.104 R)
• M2: 469,139 km (0.113 R)
• M3: 787,633 km (0.089 R)
• M4: 1,092,364 km (0.043 R)
• M5: 1,804,749 km (0.049 R)
• M6: 3,096,975 km (0.059 R)
• M7: 4,245,887 km (0.075 R)
• M8: 16,501,842 km (0.099 R)
• M9: 17,133,594 km (0.11 R)
• M10: 17,927,510 km (0.082 R)
• M11: 18,670,413 km (0.112 R)
• M12: 25,092,500 km (0.118 R)
• M13: 30,908,117 km (0.059 R)
• M14: 35,094,314 km (0.099 R)
• M15: 35,787,999 km (0.076 R)
• M16: 36,964,587 km (0.07 R)
• M17: 44,705,379 km (0.107 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 19,768 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit