🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.2

Radius: 13.3

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.53 AU - 0.67 AU

Year: 315 Days

Day: 14.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,005,035 km

• M1: 165,455 km (0.038 R)
• M2: 642,074 km (0.073 R)
• M3: 1,413,700 km (0.071 R)
• M4: 2,005,210 km (0.097 R)
• M5: 2,806,306 km (0.08 R)
• M6: 3,255,549 km (0.086 R)
• M7: 3,811,455 km (0.081 R)
• M8: 4,443,356 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.3

Radius: 10.4

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.63 AU - 0.71 AU

Year: 372 Days

Day: 13 Hours

Environment

Temp: -152 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,005,035 km

• M1: 129,402 km (0.066 R)
• M2: 563,685 km (0.105 R)
• M3: 888,611 km (0.099 R)
• M4: 1,480,421 km (0.104 R)
• M5: 1,900,791 km (0.116 R)
• M6: 2,652,819 km (0.068 R)
• M7: 3,664,400 km (0.113 R)
• M8: 4,014,758 km (0.102 R)
• M9: 4,414,932 km (0.106 R)
• M10: 4,812,564 km (0.09 R)
• M11: 5,156,938 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.3

Radius: 9.7

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.85 AU - 1.15 AU

Year: 678 Days

Day: 12 Hours

Environment

Temp: -174 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,005,035 km

• M1: 120,576 km (0.118 R)
• M2: 436,078 km (0.051 R)
• M3: 1,487,302 km (0.086 R)
• M4: 2,261,172 km (0.111 R)
• M5: 3,827,312 km (0.103 R)
• M6: 5,252,531 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.1

Radius: 11.6

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.01 AU - 1.33 AU

Year: 858 Days

Day: 12.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,005,035 km

• M1: 144,362 km (0.072 R)
• M2: 577,448 km (0.088 R)
• M3: 1,341,444 km (0.078 R)
• M4: 1,763,011 km (0.113 R)
• M5: 2,391,322 km (0.085 R)
• M6: 2,868,988 km (0.11 R)
• M7: 3,480,245 km (0.063 R)
• M8: 3,939,959 km (0.119 R)
• M9: 4,373,195 km (0.102 R)
• M10: 5,241,311 km (0.083 R)
• M11: 5,726,756 km (0.112 R)
• M12: 6,676,553 km (0.114 R)
• M13: 8,051,806 km (0.116 R)
• M14: 8,833,305 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.9

Radius: 8.1

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.59 AU - 4.19 AU

Year: 5204 Days

Day: 12.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,005,035 km

• M1: 103,821 km (0.102 R)
• M2: 438,471 km (0.084 R)
• M3: 747,840 km (0.104 R)
• M4: 1,215,034 km (0.101 R)
• M5: 2,324,601 km (0.12 R)
• M6: 3,006,917 km (0.108 R)
• M7: 3,302,523 km (0.1 R)
• M8: 3,639,267 km (0.058 R)
• M9: 3,952,675 km (0.094 R)
• M10: 4,382,021 km (0.102 R)
• M11: 4,763,346 km (0.12 R)
• M12: 5,563,395 km (0.1 R)
• M13: 7,114,576 km (0.032 R)
• M14: 7,642,058 km (0.093 R)
• M15: 9,632,607 km (0.077 R)
• M16: 10,499,975 km (0.079 R)
• M17: 10,906,882 km (0.097 R)
• M18: 12,439,362 km (0.08 R)
• M19: 12,946,349 km (0.075 R)
• M20: 13,625,972 km (0.102 R)
• M21: 16,282,531 km (0.083 R)
• M22: 17,260,453 km (0.104 R)
• M23: 19,333,131 km (0.052 R)
• M24: 22,520,613 km (0.034 R)
• M25: 24,989,576 km (0.078 R)
• M26: 26,289,283 km (0.107 R)
• M27: 28,846,808 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.6

Radius: 14.8

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.57 AU - 4.27 AU

Year: 5264 Days

Day: 6.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,005,035 km

• M1: 184,005 km (0.113 R)
• M2: 690,843 km (0.099 R)
• M3: 1,820,157 km (0.071 R)
• M4: 3,076,929 km (0.059 R)
• M5: 3,724,688 km (0.091 R)
• M6: 5,796,319 km (0.08 R)
• M7: 7,029,754 km (0.102 R)
• M8: 10,325,395 km (0.1 R)
• M9: 11,785,470 km (0.083 R)
• M10: 12,386,404 km (0.069 R)
• M11: 13,325,879 km (0.118 R)
• M12: 14,939,143 km (0.096 R)
• M13: 19,365,145 km (0.091 R)
• M14: 22,862,444 km (0.039 R)
• M15: 26,082,239 km (0.107 R)
• M16: 29,501,897 km (0.106 R)
• M17: 30,145,916 km (0.087 R)
• M18: 30,705,412 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 751

Radius: 7.1

Gravity: 14.9 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 8.52 AU - 9.12 AU

Year: 17766 Days

Day: 23.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,005,035 km

• M1: 88,263 km (0.11 R)
• M2: 379,380 km (0.098 R)
• M3: 730,636 km (0.086 R)
• M4: 1,260,960 km (0.102 R)
• M5: 1,545,496 km (0.117 R)
• M6: 2,004,611 km (0.089 R)
• M7: 2,395,062 km (0.099 R)
• M8: 3,846,161 km (0.069 R)
• M9: 4,722,805 km (0.1 R)
• M10: 5,530,184 km (0.042 R)
• M11: 7,510,860 km (0.035 R)
• M12: 8,146,801 km (0.093 R)
• M13: 8,659,922 km (0.078 R)
• M14: 9,031,672 km (0.092 R)
• M15: 11,745,976 km (0.089 R)
• M16: 15,886,396 km (0.077 R)
• M17: 16,203,394 km (0.084 R)
• M18: 17,767,290 km (0.089 R)
• M19: 18,454,842 km (0.095 R)
• M20: 22,063,143 km (0.107 R)
• M21: 22,857,208 km (0.09 R)
• M22: 24,188,330 km (0.1 R)
• M23: 28,490,316 km (0.099 R)
• M24: 28,958,557 km (0.09 R)
• M25: 37,302,977 km (0.098 R)
• M26: 38,714,283 km (0.112 R)
• M27: 39,000,763 km (0.098 R)
• M28: 39,288,590 km (0.103 R)
• M29: 44,558,923 km (0.117 R)
• M30: 50,452,031 km (0.071 R)
• M31: 51,137,190 km (0.105 R)
• M32: 51,482,162 km (0.068 R)
• M33: 59,850,368 km (0.05 R)
• M34: 62,173,473 km (0.028 R)
• M35: 66,177,760 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.9

Radius: 4.3

Gravity: 45.86 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 7.76 AU - 10.14 AU

Year: 18160 Days

Day: 22.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 59,005,035 km

• M1: 53,406 km (0.086 R)
• M2: 189,092 km (0.118 R)
• M3: 499,956 km (0.06 R)
• M4: 712,983 km (0.1 R)
• M5: 1,383,481 km (0.076 R)
• M6: 1,662,930 km (0.102 R)
• M7: 1,825,692 km (0.119 R)
• M8: 2,099,756 km (0.102 R)
• M9: 2,246,960 km (0.097 R)
• M10: 2,983,430 km (0.111 R)
• M11: 3,565,964 km (0.066 R)
• M12: 4,221,054 km (0.104 R)
• M13: 5,407,215 km (0.085 R)
• M14: 6,398,451 km (0.09 R)
• M15: 8,361,923 km (0.038 R)
• M16: 11,974,412 km (0.118 R)
• M17: 13,069,917 km (0.11 R)
• M18: 13,354,004 km (0.064 R)
• M19: 14,683,031 km (0.089 R)
• M20: 17,773,723 km (0.09 R)
• M21: 20,027,565 km (0.102 R)
• M22: 22,769,993 km (0.049 R)
• M23: 23,181,237 km (0.094 R)
• M24: 23,388,580 km (0.042 R)
• M25: 23,702,137 km (0.059 R)
• M26: 25,975,127 km (0.116 R)
• M27: 29,226,338 km (0.08 R)
• M28: 29,590,010 km (0.104 R)
• M29: 33,526,229 km (0.111 R)
• M30: 39,102,041 km (0.051 R)
• M31: 41,342,868 km (0.099 R)
• M32: 44,143,040 km (0.089 R)
• M33: 48,745,868 km (0.094 R)
• M34: 49,600,072 km (0.119 R)
• M35: 53,477,499 km (0.112 R)
• M36: 54,021,437 km (0.063 R)
• M37: 55,304,837 km (0.081 R)
• M38: 61,035,931 km (0.12 R)
• M39: 67,995,075 km (0.05 R)
• M40: 69,061,109 km (0.105 R)
• M41: 72,547,039 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 678.2

Radius: 3.8

Gravity: 46.97 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.57 AU - 10.95 AU

Year: 20681 Days

Day: 16.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 59,005,035 km

• M1: 47,273 km (0.1 R)
• M2: 246,537 km (0.114 R)
• M3: 817,552 km (0.101 R)
• M4: 1,473,240 km (0.107 R)
• M5: 1,730,399 km (0.068 R)
• M6: 1,976,786 km (0.061 R)
• M7: 3,427,287 km (0.12 R)
• M8: 3,663,053 km (0.029 R)
• M9: 4,166,899 km (0.109 R)
• M10: 5,427,860 km (0.098 R)
• M11: 5,996,631 km (0.055 R)
• M12: 6,694,206 km (0.11 R)
• M13: 7,015,691 km (0.067 R)
• M14: 7,492,759 km (0.081 R)
• M15: 8,618,184 km (0.055 R)
• M16: 9,504,102 km (0.117 R)
• M17: 10,087,684 km (0.094 R)
• M18: 12,386,853 km (0.108 R)
• M19: 13,951,198 km (0.036 R)
• M20: 14,627,530 km (0.111 R)
• M21: 15,562,816 km (0.115 R)
• M22: 16,871,049 km (0.058 R)
• M23: 18,787,099 km (0.11 R)
• M24: 19,333,730 km (0.093 R)
• M25: 19,518,333 km (0.108 R)
• M26: 20,363,412 km (0.109 R)
• M27: 26,743,911 km (0.12 R)
• M28: 28,375,575 km (0.112 R)
• M29: 32,612,037 km (0.118 R)
• M30: 39,578,660 km (0.062 R)
• M31: 40,929,678 km (0.032 R)
• M32: 42,001,397 km (0.109 R)
• M33: 49,513,754 km (0.12 R)
• M34: 61,783,621 km (0.108 R)
• M35: 63,599,291 km (0.118 R)
• M36: 64,417,591 km (0.103 R)
• M37: 77,547,198 km (0.07 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 285.4

Radius: 4.2

Gravity: 16.18 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 9.15 AU - 10.67 AU

Year: 21159 Days

Day: 23.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,005,035 km

• M1: 54,304 km (0.08 R)
• M2: 235,766 km (0.116 R)
• M3: 509,830 km (0.059 R)
• M4: 1,596,658 km (0.114 R)
• M5: 1,757,925 km (0.074 R)
• M6: 1,912,459 km (0.093 R)
• M7: 4,674,335 km (0.088 R)
• M8: 5,005,844 km (0.099 R)
• M9: 6,095,066 km (0.064 R)
• M10: 6,819,569 km (0.08 R)
• M11: 9,490,788 km (0.108 R)
• M12: 9,700,824 km (0.055 R)
• M13: 18,835,270 km (0.057 R)
• M14: 19,587,597 km (0.107 R)
• M15: 22,056,261 km (0.106 R)
• M16: 35,243,912 km (0.029 R)
• M17: 44,039,369 km (0.054 R)
• M18: 45,065,760 km (0.069 R)
• M19: 56,049,236 km (0.1 R)
• M20: 56,391,815 km (0.077 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: 314 - 13,880 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit