🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.6

Radius: 13.4

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.99 AU - 1.29 AU

Year: 840 Days

Day: 11.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,553,479 km

• M1: 166,802 km (0.043 R)
• M2: 592,856 km (0.066 R)
• M3: 1,381,985 km (0.078 R)
• M4: 1,945,820 km (0.056 R)
• M5: 2,649,677 km (0.067 R)
• M6: 3,174,018 km (0.087 R)
• M7: 4,171,088 km (0.053 R)
• M8: 4,603,874 km (0.09 R)
• M9: 5,620,093 km (0.085 R)
• M10: 6,319,762 km (0.062 R)
• M11: 6,758,084 km (0.115 R)
• M12: 7,696,212 km (0.083 R)
• M13: 9,125,620 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271

Radius: 11.1

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.13 AU - 1.67 AU

Year: 1143 Days

Day: 8.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,553,479 km

• M1: 138,378 km (0.103 R)
• M2: 515,215 km (0.025 R)
• M3: 875,896 km (0.114 R)
• M4: 1,270,984 km (0.085 R)
• M5: 1,753,287 km (0.115 R)
• M6: 2,225,268 km (0.088 R)
• M7: 3,744,734 km (0.105 R)
• M8: 5,004,049 km (0.101 R)
• M9: 6,843,953 km (0.072 R)
• M10: 7,395,072 km (0.048 R)
• M11: 8,265,133 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.7

Radius: 14.2

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.23 AU - 1.69 AU

Year: 1218 Days

Day: 6.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,553,479 km

• M1: 176,525 km (0.099 R)
• M2: 656,435 km (0.073 R)
• M3: 1,198,279 km (0.107 R)
• M4: 1,687,015 km (0.119 R)
• M5: 2,145,981 km (0.086 R)
• M6: 2,656,709 km (0.075 R)
• M7: 3,223,385 km (0.043 R)
• M8: 3,673,077 km (0.059 R)
• M9: 4,458,914 km (0.082 R)
• M10: 5,106,972 km (0.089 R)
• M11: 5,685,018 km (0.118 R)
• M12: 6,226,413 km (0.062 R)
• M13: 7,016,439 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.1

Radius: 12.4

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.07 AU - 2.69 AU

Year: 2534 Days

Day: 7.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,553,479 km

• M1: 154,235 km (0.078 R)
• M2: 805,435 km (0.073 R)
• M3: 1,298,510 km (0.039 R)
• M4: 2,438,445 km (0.073 R)
• M5: 2,910,576 km (0.114 R)
• M6: 3,458,553 km (0.111 R)
• M7: 4,226,888 km (0.096 R)
• M8: 4,951,540 km (0.088 R)
• M9: 6,372,121 km (0.089 R)
• M10: 7,226,475 km (0.119 R)
• M11: 10,002,263 km (0.104 R)
• M12: 10,409,020 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.9

Radius: 13

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.31 AU - 4.93 AU

Year: 6854 Days

Day: 10.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,553,479 km

• M1: 162,014 km (0.099 R)
• M2: 626,067 km (0.119 R)
• M3: 1,197,980 km (0.077 R)
• M4: 1,681,779 km (0.074 R)
• M5: 2,715,501 km (0.089 R)
• M6: 3,392,581 km (0.119 R)
• M7: 3,961,501 km (0.095 R)
• M8: 4,909,503 km (0.095 R)
• M9: 5,344,833 km (0.115 R)
• M10: 6,562,559 km (0.113 R)
• M11: 8,061,979 km (0.052 R)
• M12: 10,429,664 km (0.078 R)
• M13: 11,728,024 km (0.101 R)
• M14: 12,137,773 km (0.08 R)
• M15: 12,842,080 km (0.109 R)
• M16: 13,773,177 km (0.094 R)
• M17: 14,696,196 km (0.093 R)
• M18: 16,438,712 km (0.105 R)
• M19: 16,894,985 km (0.082 R)
• M20: 20,395,575 km (0.039 R)
• M21: 22,629,371 km (0.101 R)
• M22: 24,059,975 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498.4

Radius: 6.9

Gravity: 10.47 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 5.37 AU - 8.33 AU

Year: 12375 Days

Day: 20.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 136.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,553,479 km

• M1: 86,168 km (0.091 R)
• M2: 426,055 km (0.045 R)
• M3: 666,010 km (0.114 R)
• M4: 927,806 km (0.082 R)
• M5: 1,295,667 km (0.108 R)
• M6: 1,820,307 km (0.079 R)
• M7: 2,035,578 km (0.116 R)
• M8: 2,324,003 km (0.116 R)
• M9: 3,430,279 km (0.116 R)
• M10: 4,945,855 km (0.057 R)
• M11: 5,335,408 km (0.073 R)
• M12: 5,571,922 km (0.096 R)
• M13: 7,182,343 km (0.04 R)
• M14: 7,767,720 km (0.115 R)
• M15: 8,704,651 km (0.077 R)
• M16: 9,418,532 km (0.106 R)
• M17: 11,851,443 km (0.109 R)
• M18: 12,196,864 km (0.032 R)
• M19: 13,150,999 km (0.096 R)
• M20: 13,835,260 km (0.049 R)
• M21: 14,089,875 km (0.085 R)
• M22: 18,911,864 km (0.118 R)
• M23: 24,730,323 km (0.072 R)
• M24: 25,963,758 km (0.12 R)
• M25: 27,839,715 km (0.117 R)
• M26: 34,822,046 km (0.095 R)
• M27: 36,855,380 km (0.068 R)
• M28: 38,087,767 km (0.091 R)
• M29: 39,859,006 km (0.103 R)
• M30: 42,082,629 km (0.082 R)
• M31: 45,923,255 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275.4

Radius: 6.2

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 7.89 AU - 12.79 AU

Year: 22950 Days

Day: 19.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,553,479 km

• M1: 80,484 km (0.088 R)
• M2: 358,287 km (0.074 R)
• M3: 583,880 km (0.08 R)
• M4: 1,072,617 km (0.113 R)
• M5: 2,897,860 km (0.098 R)
• M6: 4,191,284 km (0.028 R)
• M7: 5,385,673 km (0.086 R)
• M8: 13,623,280 km (0.087 R)
• M9: 18,816,420 km (0.081 R)
• M10: 20,360,569 km (0.086 R)
• M11: 23,311,088 km (0.095 R)
• M12: 24,988,828 km (0.12 R)
• M13: 32,627,296 km (0.053 R)
• M14: 41,686,494 km (0.12 R)
• M15: 44,298,473 km (0.106 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 556 - 13,861 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit