🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.7

Radius: 11.3

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.54 AU - 0.6 AU

Year: 287 Days

Day: 13.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,347,474 km

• M1: 140,472 km (0.081 R)
• M2: 531,521 km (0.09 R)
• M3: 1,004,998 km (0.118 R)
• M4: 1,442,722 km (0.107 R)
• M5: 1,834,219 km (0.091 R)
• M6: 2,338,664 km (0.06 R)
• M7: 3,279,485 km (0.115 R)
• M8: 3,813,399 km (0.08 R)
• M9: 4,365,864 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.8

Radius: 8.8

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.53 AU - 0.83 AU

Year: 374 Days

Day: 13.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,347,474 km

• M1: 109,506 km (0.032 R)
• M2: 418,874 km (0.061 R)
• M3: 753,225 km (0.099 R)
• M4: 1,151,305 km (0.058 R)
• M5: 1,569,132 km (0.043 R)
• M6: 1,909,766 km (0.067 R)
• M7: 2,481,380 km (0.11 R)
• M8: 3,000,036 km (0.058 R)
• M9: 3,377,172 km (0.111 R)
• M10: 3,748,324 km (0.106 R)
• M11: 4,133,389 km (0.07 R)
• M12: 4,908,007 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.6

Radius: 9

Gravity: 11.83 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.29 AU - 2.41 AU

Year: 2402 Days

Day: 10.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,347,474 km

• M1: 112,049 km (0.106 R)
• M2: 478,264 km (0.096 R)
• M3: 768,335 km (0.07 R)
• M4: 1,097,600 km (0.097 R)
• M5: 1,450,651 km (0.094 R)
• M6: 2,014,934 km (0.071 R)
• M7: 2,376,661 km (0.109 R)
• M8: 3,302,971 km (0.052 R)
• M9: 3,634,779 km (0.092 R)
• M10: 4,070,558 km (0.079 R)
• M11: 4,743,449 km (0.087 R)
• M12: 5,264,648 km (0.045 R)
• M13: 5,902,833 km (0.109 R)
• M14: 6,449,613 km (0.049 R)
• M15: 6,822,860 km (0.088 R)
• M16: 9,229,590 km (0.058 R)
• M17: 10,466,166 km (0.044 R)
• M18: 12,413,332 km (0.09 R)
• M19: 12,901,769 km (0.111 R)
• M20: 13,310,919 km (0.113 R)
• M21: 14,059,507 km (0.04 R)
• M22: 14,786,702 km (0.093 R)
• M23: 16,848,311 km (0.067 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156

Radius: 3.7

Gravity: 11.4 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.67 AU - 7.15 AU

Year: 9581 Days

Day: 16.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,347,474 km

• M1: 46,525 km (0.1 R)
• M2: 214,374 km (0.092 R)
• M3: 539,450 km (0.06 R)
• M4: 968,048 km (0.076 R)
• M5: 1,360,144 km (0.074 R)
• M6: 1,604,437 km (0.049 R)
• M7: 1,770,042 km (0.111 R)
• M8: 2,565,753 km (0.056 R)
• M9: 2,756,790 km (0.118 R)
• M10: 3,032,648 km (0.109 R)
• M11: 3,306,263 km (0.094 R)
• M12: 4,568,121 km (0.058 R)
• M13: 4,875,245 km (0.111 R)
• M14: 5,060,597 km (0.116 R)
• M15: 5,195,833 km (0.11 R)
• M16: 6,335,470 km (0.11 R)
• M17: 7,046,808 km (0.085 R)
• M18: 8,780,946 km (0.117 R)
• M19: 13,063,036 km (0.056 R)
• M20: 15,648,685 km (0.106 R)
• M21: 20,476,209 km (0.068 R)
• M22: 20,889,398 km (0.059 R)
• M23: 23,862,805 km (0.1 R)
• M24: 24,397,169 km (0.07 R)
• M25: 28,447,980 km (0.046 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.9

Radius: 4.8

Gravity: 14.41 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 8.41 AU - 11.51 AU

Year: 20961 Days

Day: 16.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,347,474 km

• M1: 59,690 km (0.092 R)
• M2: 1,033,871 km (0.067 R)
• M3: 2,354,970 km (0.119 R)
• M4: 2,909,978 km (0.063 R)
• M5: 5,165,465 km (0.082 R)
• M6: 8,922,915 km (0.028 R)
• M7: 12,079,130 km (0.118 R)
• M8: 15,316,877 km (0.048 R)
• M9: 15,907,490 km (0.104 R)
• M10: 20,121,213 km (0.102 R)
• M11: 23,148,625 km (0.109 R)
• M12: 26,256,670 km (0.1 R)
• M13: 33,901,121 km (0.097 R)
• M14: 39,929,616 km (0.098 R)
• M15: 40,345,947 km (0.04 R)
• M16: 56,980,931 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.6

Radius: 7.6

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 8.75 AU - 11.43 AU

Year: 21373 Days

Day: 15 Hours

Environment

Temp: -230 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,347,474 km

• M1: 100,231 km (0.108 R)
• M2: 618,288 km (0.116 R)
• M3: 1,060,499 km (0.034 R)
• M4: 2,620,356 km (0.063 R)
• M5: 3,687,139 km (0.08 R)
• M6: 4,284,782 km (0.094 R)
• M7: 4,729,686 km (0.102 R)
• M8: 5,792,729 km (0.118 R)
• M9: 12,592,850 km (0.073 R)
• M10: 14,311,131 km (0.086 R)
• M11: 17,857,348 km (0.082 R)
• M12: 19,007,756 km (0.09 R)
• M13: 25,289,969 km (0.04 R)
• M14: 28,360,316 km (0.115 R)
• M15: 35,916,654 km (0.099 R)
• M16: 42,973,933 km (0.062 R)
• M17: 43,443,521 km (0.077 R)
• M18: 45,355,681 km (0.066 R)
• M19: 50,207,140 km (0.043 R)
• M20: 64,334,265 km (0.029 R)
• M21: 67,445,452 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.2

Radius: 6.2

Gravity: 17.54 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 7.62 AU - 12.62 AU

Year: 21468 Days

Day: 20.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 79,347,474 km

• M1: 77,193 km (0.093 R)
• M2: 308,920 km (0.117 R)
• M3: 647,011 km (0.111 R)
• M4: 944,411 km (0.106 R)
• M5: 2,112,172 km (0.115 R)
• M6: 2,773,245 km (0.067 R)
• M7: 3,683,848 km (0.084 R)
• M8: 4,358,534 km (0.098 R)
• M9: 5,421,427 km (0.058 R)
• M10: 8,953,881 km (0.046 R)
• M11: 15,543,668 km (0.076 R)
• M12: 16,028,664 km (0.075 R)
• M13: 17,113,996 km (0.096 R)
• M14: 21,947,354 km (0.11 R)
• M15: 23,599,812 km (0.05 R)
• M16: 23,812,091 km (0.102 R)
• M17: 33,519,348 km (0.1 R)
• M18: 34,328,373 km (0.075 R)
• M19: 35,985,319 km (0.083 R)
• M20: 36,976,255 km (0.113 R)
• M21: 38,130,702 km (0.103 R)
• M22: 39,160,534 km (0.056 R)
• M23: 39,458,084 km (0.076 R)
• M24: 41,738,255 km (0.034 R)
• M25: 48,416,154 km (0.059 R)
• M26: 49,797,242 km (0.037 R)
• M27: 58,445,046 km (0.105 R)
• M28: 64,872,668 km (0.09 R)
• M29: 71,090,853 km (0.057 R)
• M30: 73,098,307 km (0.118 R)
• M31: 73,323,751 km (0.174 R)
• M32: 75,143,459 km (0.105 R)
• M33: 79,109,897 km (0.098 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 13,523 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit