🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.8

Radius: 13.5

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.91 AU - 1.03 AU

Year: 607 Days

Day: 5.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,562,791 km

• M1: 167,998 km (0.053 R)
• M2: 639,830 km (0.07 R)
• M3: 1,248,095 km (0.084 R)
• M4: 1,756,877 km (0.1 R)
• M5: 2,851,485 km (0.08 R)
• M6: 3,686,540 km (0.066 R)
• M7: 4,271,169 km (0.108 R)
• M8: 4,820,941 km (0.066 R)
• M9: 5,332,117 km (0.042 R)
• M10: 5,952,499 km (0.118 R)
• M11: 6,640,649 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.1

Radius: 12.1

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.78 AU - 1.18 AU

Year: 617 Days

Day: 9.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,562,791 km

• M1: 153,487 km (0.111 R)
• M2: 598,691 km (0.094 R)
• M3: 982,858 km (0.05 R)
• M4: 2,395,511 km (0.107 R)
• M5: 3,358,323 km (0.099 R)
• M6: 4,547,326 km (0.118 R)
• M7: 5,273,923 km (0.047 R)
• M8: 5,731,244 km (0.112 R)
• M9: 6,559,119 km (0.11 R)
• M10: 7,330,894 km (0.051 R)
• M11: 7,901,610 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.7

Radius: 15

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.09 AU - 1.45 AU

Year: 910 Days

Day: 9.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,562,791 km

• M1: 186,698 km (0.094 R)
• M2: 670,647 km (0.064 R)
• M3: 1,272,779 km (0.09 R)
• M4: 3,066,008 km (0.057 R)
• M5: 3,538,289 km (0.068 R)
• M6: 4,530,422 km (0.095 R)
• M7: 7,157,361 km (0.102 R)
• M8: 8,249,724 km (0.102 R)
• M9: 8,769,876 km (0.063 R)
• M10: 9,256,518 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.6

Radius: 11.1

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.98 AU - 2.16 AU

Year: 1894 Days

Day: 5.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 85,562,791 km

• M1: 138,079 km (0.111 R)
• M2: 556,055 km (0.111 R)
• M3: 929,152 km (0.103 R)
• M4: 1,295,368 km (0.096 R)
• M5: 1,644,230 km (0.05 R)
• M6: 2,180,389 km (0.088 R)
• M7: 2,740,783 km (0.103 R)
• M8: 3,112,085 km (0.103 R)
• M9: 4,291,215 km (0.111 R)
• M10: 5,016,465 km (0.073 R)
• M11: 5,551,876 km (0.116 R)
• M12: 6,177,046 km (0.095 R)
• M13: 6,710,362 km (0.107 R)
• M14: 7,274,196 km (0.057 R)
• M15: 9,327,726 km (0.092 R)
• M16: 10,506,258 km (0.105 R)
• M17: 10,958,642 km (0.109 R)
• M18: 12,146,749 km (0.086 R)
• M19: 12,519,397 km (0.092 R)
• M20: 13,772,429 km (0.065 R)
• M21: 14,269,094 km (0.106 R)
• M22: 15,394,070 km (0.078 R)
• M23: 16,275,800 km (0.099 R)
• M24: 17,036,206 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.6

Radius: 10.2

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.17 AU - 2.65 AU

Year: 2379 Days

Day: 13.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,562,791 km

• M1: 127,158 km (0.066 R)
• M2: 525,837 km (0.045 R)
• M3: 1,224,758 km (0.042 R)
• M4: 1,698,534 km (0.086 R)
• M5: 2,413,911 km (0.116 R)
• M6: 2,806,606 km (0.1 R)
• M7: 3,242,085 km (0.083 R)
• M8: 3,944,597 km (0.098 R)
• M9: 4,745,693 km (0.079 R)
• M10: 5,132,703 km (0.036 R)
• M11: 5,809,484 km (0.061 R)
• M12: 7,260,882 km (0.099 R)
• M13: 7,693,071 km (0.049 R)
• M14: 8,402,912 km (0.096 R)
• M15: 9,500,961 km (0.083 R)
• M16: 11,648,737 km (0.075 R)
• M17: 12,972,679 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.6

Radius: 12

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.07 AU - 2.75 AU

Year: 2379 Days

Day: 8.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,562,791 km

• M1: 149,299 km (0.082 R)
• M2: 821,442 km (0.102 R)
• M3: 1,226,553 km (0.088 R)
• M4: 2,113,668 km (0.118 R)
• M5: 3,161,153 km (0.111 R)
• M6: 6,592,778 km (0.117 R)
• M7: 7,201,342 km (0.105 R)
• M8: 7,902,358 km (0.091 R)
• M9: 9,130,706 km (0.108 R)
• M10: 9,855,209 km (0.042 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.8

Radius: 13.7

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.34 AU - 2.76 AU

Year: 2589 Days

Day: 10.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,562,791 km

• M1: 170,691 km (0.062 R)
• M2: 843,882 km (0.085 R)
• M3: 1,326,484 km (0.082 R)
• M4: 2,257,282 km (0.042 R)
• M5: 3,448,530 km (0.114 R)
• M6: 5,452,543 km (0.054 R)
• M7: 6,962,435 km (0.092 R)
• M8: 10,462,426 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.5

Radius: 9.1

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.54 AU - 4.12 AU

Year: 4766 Days

Day: 10 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 85,562,791 km

• M1: 114,293 km (0.078 R)
• M2: 780,302 km (0.1 R)
• M3: 1,228,647 km (0.092 R)
• M4: 1,606,083 km (0.097 R)
• M5: 2,467,766 km (0.114 R)
• M6: 3,150,980 km (0.031 R)
• M7: 3,736,805 km (0.072 R)
• M8: 4,112,894 km (0.089 R)
• M9: 4,441,561 km (0.068 R)
• M10: 4,787,730 km (0.096 R)
• M11: 5,151,702 km (0.108 R)
• M12: 5,562,348 km (0.114 R)
• M13: 5,848,080 km (0.063 R)
• M14: 6,143,536 km (0.084 R)
• M15: 6,605,644 km (0.112 R)
• M16: 6,893,919 km (0.111 R)
• M17: 7,461,493 km (0.104 R)
• M18: 7,845,212 km (0.074 R)
• M19: 8,614,145 km (0.118 R)
• M20: 11,681,350 km (0.104 R)
• M21: 14,054,271 km (0.07 R)
• M22: 14,748,555 km (0.092 R)
• M23: 15,353,678 km (0.095 R)
• M24: 17,756,070 km (0.073 R)
• M25: 19,272,843 km (0.096 R)
• M26: 21,080,434 km (0.062 R)
• M27: 23,812,091 km (0.065 R)
• M28: 24,798,390 km (0.091 R)
• M29: 25,262,742 km (0.113 R)
• M30: 26,448,754 km (0.041 R)
• M31: 27,342,003 km (0.099 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.4

Radius: 11.3

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.23 AU - 5.61 AU

Year: 8023 Days

Day: 13.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,562,791 km

• M1: 140,921 km (0.109 R)
• M2: 678,127 km (0.044 R)
• M3: 1,762,113 km (0.093 R)
• M4: 3,839,429 km (0.085 R)
• M5: 8,234,914 km (0.083 R)
• M6: 8,936,678 km (0.098 R)
• M7: 11,036,134 km (0.101 R)
• M8: 12,148,394 km (0.032 R)
• M9: 12,731,976 km (0.115 R)
• M10: 14,360,199 km (0.041 R)
• M11: 21,574,107 km (0.099 R)
• M12: 23,962,437 km (0.038 R)
• M13: 28,050,349 km (0.076 R)
• M14: 33,192,626 km (0.107 R)
• M15: 34,228,591 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.8

Radius: 3.3

Gravity: 80.06 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 8.1 AU - 12.58 AU

Year: 21140 Days

Day: 16.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 85,562,791 km

• M1: 43,383 km (0.094 R)
• M2: 208,091 km (0.081 R)
• M3: 341,382 km (0.093 R)
• M4: 646,412 km (0.111 R)
• M5: 951,742 km (0.102 R)
• M6: 1,442,423 km (0.116 R)
• M7: 1,687,165 km (0.061 R)
• M8: 2,258,928 km (0.1 R)
• M9: 2,613,624 km (0.086 R)
• M10: 7,129,236 km (0.084 R)
• M11: 7,991,069 km (0.094 R)
• M12: 8,419,817 km (0.057 R)
• M13: 8,920,222 km (0.083 R)
• M14: 10,226,361 km (0.118 R)
• M15: 10,350,976 km (0.086 R)
• M16: 10,603,497 km (0.1 R)
• M17: 11,519,634 km (0.086 R)
• M18: 11,996,852 km (0.108 R)
• M19: 13,733,384 km (0.087 R)
• M20: 18,421,482 km (0.115 R)
• M21: 20,226,679 km (0.106 R)
• M22: 20,621,169 km (0.104 R)
• M23: 21,835,455 km (0.117 R)
• M24: 22,776,874 km (0.111 R)
• M25: 23,096,565 km (0.034 R)
• M26: 23,203,827 km (0.064 R)
• M27: 30,650,210 km (0.11 R)
• M28: 34,837,155 km (0.081 R)
• M29: 37,287,419 km (0.097 R)
• M30: 37,731,425 km (0.095 R)
• M31: 41,569,359 km (0.037 R)
• M32: 49,830,303 km (0.092 R)
• M33: 55,008,932 km (0.112 R)
• M34: 55,776,818 km (0.072 R)
• M35: 63,852,410 km (0.069 R)
• M36: 74,998,050 km (0.063 R)
• M37: 81,274,878 km (0.071 R)
• M38: 81,523,060 km (0.115 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 16,313 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit