🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.6

Radius: 8.5

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.32 AU - 1.74 AU

Year: 1306 Days

Day: 7.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,697,816 km

• M1: 105,766 km (0.113 R)
• M2: 419,024 km (0.068 R)
• M3: 973,882 km (0.073 R)
• M4: 1,450,950 km (0.118 R)
• M5: 1,981,873 km (0.112 R)
• M6: 2,463,877 km (0.109 R)
• M7: 3,063,914 km (0.079 R)
• M8: 3,551,902 km (0.072 R)
• M9: 4,107,958 km (0.066 R)
• M10: 4,443,356 km (0.086 R)
• M11: 5,311,024 km (0.113 R)
• M12: 5,752,786 km (0.108 R)
• M13: 6,060,808 km (0.095 R)
• M14: 6,356,563 km (0.111 R)
• M15: 6,952,711 km (0.053 R)
• M16: 8,064,522 km (0.052 R)
• M17: 8,734,272 km (0.04 R)
• M18: 9,440,822 km (0.113 R)
• M19: 10,376,707 km (0.077 R)
• M20: 11,684,342 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.7

Radius: 11.6

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.07 AU - 2.33 AU

Year: 2252 Days

Day: 11.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,697,816 km

• M1: 144,212 km (0.085 R)
• M2: 580,889 km (0.046 R)
• M3: 1,205,160 km (0.103 R)
• M4: 2,050,538 km (0.08 R)
• M5: 2,718,792 km (0.116 R)
• M6: 3,140,209 km (0.104 R)
• M7: 3,668,738 km (0.109 R)
• M8: 5,002,852 km (0.116 R)
• M9: 5,704,915 km (0.085 R)
• M10: 6,928,775 km (0.076 R)
• M11: 7,382,057 km (0.082 R)
• M12: 8,099,229 km (0.027 R)
• M13: 9,038,105 km (0.105 R)
• M14: 11,268,160 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.9

Radius: 12

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.1 AU - 4.7 AU

Year: 5316 Days

Day: 5.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,697,816 km

• M1: 155,432 km (0.119 R)
• M2: 532,718 km (0.082 R)
• M3: 1,104,930 km (0.1 R)
• M4: 1,563,298 km (0.088 R)
• M5: 1,966,015 km (0.081 R)
• M6: 2,638,607 km (0.117 R)
• M7: 3,232,062 km (0.1 R)
• M8: 3,779,590 km (0.055 R)
• M9: 8,041,634 km (0.097 R)
• M10: 10,941,439 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.8

Radius: 12.6

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.81 AU - 4.11 AU

Year: 5439 Days

Day: 13.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,697,816 km

• M1: 165,306 km (0.116 R)
• M2: 891,454 km (0.098 R)
• M3: 1,475,035 km (0.074 R)
• M4: 2,375,614 km (0.116 R)
• M5: 3,098,172 km (0.052 R)
• M6: 3,922,905 km (0.079 R)
• M7: 5,171,898 km (0.088 R)
• M8: 6,814,632 km (0.1 R)
• M9: 8,678,472 km (0.106 R)
• M10: 11,678,208 km (0.089 R)
• M11: 16,921,464 km (0.08 R)
• M12: 17,519,556 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.9

Radius: 10.4

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 4.05 AU - 4.89 AU

Year: 6523 Days

Day: 12.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,697,816 km

• M1: 129,402 km (0.109 R)
• M2: 588,368 km (0.108 R)
• M3: 3,351,142 km (0.063 R)
• M4: 3,937,566 km (0.105 R)
• M5: 5,749,944 km (0.088 R)
• M6: 7,442,494 km (0.07 R)
• M7: 12,725,543 km (0.083 R)
• M8: 16,821,084 km (0.072 R)
• M9: 17,696,231 km (0.117 R)
• M10: 24,930,934 km (0.054 R)
• M11: 27,409,322 km (0.115 R)
• M12: 28,445,138 km (0.102 R)
• M13: 29,239,053 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 242.7

Radius: 3.9

Gravity: 15.96 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.51 AU - 8.87 AU

Year: 13308 Days

Day: 22.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,697,816 km

• M1: 48,619 km (0.026 R)
• M2: 357,090 km (0.075 R)
• M3: 573,708 km (0.103 R)
• M4: 728,093 km (0.054 R)
• M5: 1,790,836 km (0.087 R)
• M6: 2,158,548 km (0.066 R)
• M7: 2,517,433 km (0.106 R)
• M8: 3,808,463 km (0.088 R)
• M9: 4,303,931 km (0.097 R)
• M10: 6,431,063 km (0.101 R)
• M11: 6,793,688 km (0.054 R)
• M12: 8,595,445 km (0.119 R)
• M13: 9,124,872 km (0.056 R)
• M14: 9,260,557 km (0.064 R)
• M15: 11,993,560 km (0.09 R)
• M16: 15,283,218 km (0.087 R)
• M17: 15,993,209 km (0.071 R)
• M18: 16,996,562 km (0.093 R)
• M19: 20,180,154 km (0.099 R)
• M20: 21,429,895 km (0.097 R)
• M21: 24,255,200 km (0.038 R)
• M22: 24,778,195 km (0.051 R)
• M23: 28,266,817 km (0.108 R)
• M24: 29,729,435 km (0.028 R)
• M25: 31,653,563 km (0.069 R)
• M26: 34,309,673 km (0.069 R)
• M27: 35,412,359 km (0.078 R)
• M28: 40,059,916 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 695.9

Radius: 4.3

Gravity: 37.64 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.73 AU - 8.61 AU

Year: 14662 Days

Day: 17.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,697,816 km

• M1: 53,406 km (0.114 R)
• M2: 239,057 km (0.051 R)
• M3: 398,080 km (0.114 R)
• M4: 780,302 km (0.111 R)
• M5: 1,012,778 km (0.079 R)
• M6: 2,128,030 km (0.118 R)
• M7: 2,431,564 km (0.072 R)
• M8: 3,226,527 km (0.066 R)
• M9: 3,682,950 km (0.119 R)
• M10: 4,150,743 km (0.082 R)
• M11: 7,363,806 km (0.114 R)
• M12: 9,783,551 km (0.115 R)
• M13: 11,866,253 km (0.119 R)
• M14: 13,609,666 km (0.112 R)
• M15: 13,950,301 km (0.073 R)
• M16: 14,934,206 km (0.089 R)
• M17: 15,150,824 km (0.032 R)
• M18: 18,162,229 km (0.071 R)
• M19: 19,163,487 km (0.105 R)
• M20: 21,003,092 km (0.096 R)
• M21: 24,826,664 km (0.099 R)
• M22: 25,130,797 km (0.113 R)
• M23: 25,437,472 km (0.097 R)
• M24: 32,347,099 km (0.109 R)
• M25: 33,567,069 km (0.086 R)
• M26: 38,078,642 km (0.076 R)
• M27: 40,408,928 km (0.066 R)
• M28: 41,537,644 km (0.115 R)
• M29: 42,253,769 km (0.101 R)
• M30: 46,110,252 km (0.048 R)
• M31: 47,966,762 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 957.6

Radius: 5.6

Gravity: 30.54 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 6.87 AU - 9.03 AU

Year: 15473 Days

Day: 15.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,697,816 km

• M1: 69,713 km (0.118 R)
• M2: 341,532 km (0.102 R)
• M3: 523,144 km (0.111 R)
• M4: 1,417,739 km (0.075 R)
• M5: 2,023,012 km (0.081 R)
• M6: 4,551,515 km (0.109 R)
• M7: 6,640,350 km (0.081 R)
• M8: 7,087,199 km (0.097 R)
• M9: 7,506,223 km (0.114 R)
• M10: 9,853,413 km (0.094 R)
• M11: 11,285,963 km (0.083 R)
• M12: 12,182,802 km (0.049 R)
• M13: 12,381,019 km (0.11 R)
• M14: 13,126,316 km (0.109 R)
• M15: 13,829,426 km (0.078 R)
• M16: 14,780,569 km (0.092 R)
• M17: 15,618,766 km (0.078 R)
• M18: 20,756,256 km (0.031 R)
• M19: 24,428,136 km (0.12 R)
• M20: 26,804,647 km (0.054 R)
• M21: 30,287,734 km (0.113 R)
• M22: 31,265,057 km (0.089 R)
• M23: 31,636,958 km (0.103 R)
• M24: 36,468,969 km (0.082 R)
• M25: 38,418,528 km (0.105 R)
• M26: 42,070,661 km (0.113 R)
• M27: 43,133,404 km (0.088 R)
• M28: 44,369,532 km (0.112 R)
• M29: 48,219,582 km (0.076 R)
• M30: 52,635,412 km (0.096 R)
• M31: 56,576,269 km (0.038 R)
• M32: 59,752,980 km (0.105 R)
• M33: 61,094,723 km (0.084 R)
• M34: 65,645,191 km (0.109 R)
• M35: 68,940,533 km (0.091 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 11,852 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit