🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.7

Radius: 12.6

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.55 AU - 0.73 AU

Year: 347 Days

Day: 13.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,984,863 km

• M1: 156,629 km (0.084 R)
• M2: 657,034 km (0.044 R)
• M3: 1,090,568 km (0.094 R)
• M4: 1,837,810 km (0.062 R)
• M5: 2,323,255 km (0.089 R)
• M6: 2,762,923 km (0.054 R)
• M7: 3,213,811 km (0.117 R)
• M8: 3,850,200 km (0.11 R)
• M9: 4,265,933 km (0.113 R)
• M10: 5,112,358 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.6

Radius: 8.8

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.31 AU - 1.7 AU

Year: 1246 Days

Day: 9.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,984,863 km

• M1: 109,506 km (0.06 R)
• M2: 414,087 km (0.109 R)
• M3: 716,125 km (0.07 R)
• M4: 996,920 km (0.085 R)
• M5: 2,410,022 km (0.058 R)
• M6: 3,001,232 km (0.116 R)
• M7: 3,897,773 km (0.097 R)
• M8: 4,455,324 km (0.036 R)
• M9: 5,013,623 km (0.071 R)
• M10: 5,673,499 km (0.071 R)
• M11: 6,309,739 km (0.066 R)
• M12: 6,655,609 km (0.075 R)
• M13: 7,057,130 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.9

Radius: 9.5

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.32 AU - 1.9 AU

Year: 1386 Days

Day: 7.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,984,863 km

• M1: 118,182 km (0.114 R)
• M2: 414,536 km (0.101 R)
• M3: 819,198 km (0.051 R)
• M4: 1,439,132 km (0.116 R)
• M5: 1,750,445 km (0.117 R)
• M6: 2,422,738 km (0.049 R)
• M7: 2,758,136 km (0.081 R)
• M8: 3,299,231 km (0.098 R)
• M9: 3,757,749 km (0.039 R)
• M10: 4,225,841 km (0.051 R)
• M11: 5,241,311 km (0.1 R)
• M12: 7,385,946 km (0.061 R)
• M13: 7,822,024 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.4

Radius: 14

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.49 AU - 1.87 AU

Year: 1477 Days

Day: 14.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,984,863 km

• M1: 174,132 km (0.113 R)
• M2: 621,878 km (0.111 R)
• M3: 1,164,171 km (0.09 R)
• M4: 2,708,918 km (0.048 R)
• M5: 3,149,484 km (0.118 R)
• M6: 3,638,370 km (0.089 R)
• M7: 4,477,315 km (0.118 R)
• M8: 4,974,129 km (0.114 R)
• M9: 6,490,902 km (0.099 R)
• M10: 7,156,164 km (0.092 R)
• M11: 7,810,355 km (0.092 R)
• M12: 8,623,719 km (0.063 R)
• M13: 10,317,616 km (0.06 R)
• M14: 10,835,075 km (0.092 R)
• M15: 11,551,948 km (0.089 R)
• M16: 12,530,916 km (0.095 R)
• M17: 13,040,895 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590

Radius: 14.8

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.64 AU - 3.18 AU

Year: 3367 Days

Day: 10.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,984,863 km

• M1: 184,005 km (0.103 R)
• M2: 728,990 km (0.079 R)
• M3: 1,413,700 km (0.067 R)
• M4: 2,152,115 km (0.12 R)
• M5: 3,087,550 km (0.092 R)
• M6: 3,946,093 km (0.106 R)
• M7: 5,527,791 km (0.114 R)
• M8: 6,084,744 km (0.096 R)
• M9: 6,885,691 km (0.052 R)
• M10: 8,663,811 km (0.101 R)
• M11: 11,989,372 km (0.059 R)
• M12: 13,110,907 km (0.115 R)
• M13: 15,928,583 km (0.097 R)
• M14: 16,461,600 km (0.103 R)
• M15: 17,395,240 km (0.108 R)
• M16: 18,305,843 km (0.086 R)
• M17: 19,128,481 km (0.118 R)
• M18: 20,658,868 km (0.086 R)
• M19: 22,006,445 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.6

Radius: 14.5

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.91 AU - 3.43 AU

Year: 3828 Days

Day: 13.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,984,863 km

• M1: 180,415 km (0.026 R)
• M2: 706,401 km (0.099 R)
• M3: 1,190,799 km (0.118 R)
• M4: 1,665,024 km (0.106 R)
• M5: 2,187,121 km (0.111 R)
• M6: 3,571,649 km (0.061 R)
• M7: 5,819,208 km (0.069 R)
• M8: 6,284,307 km (0.101 R)
• M9: 7,197,154 km (0.031 R)
• M10: 9,545,840 km (0.102 R)
• M11: 12,681,860 km (0.109 R)
• M12: 13,326,926 km (0.108 R)
• M13: 14,042,004 km (0.096 R)
• M14: 15,758,191 km (0.099 R)
• M15: 17,497,565 km (0.106 R)
• M16: 19,664,790 km (0.094 R)
• M17: 20,404,701 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.6

Radius: 10.6

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.7 AU - 6.14 AU

Year: 7402 Days

Day: 14.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,984,863 km

• M1: 132,993 km (0.108 R)
• M2: 608,265 km (0.097 R)
• M3: 1,408,913 km (0.096 R)
• M4: 3,197,355 km (0.082 R)
• M5: 5,061,046 km (0.094 R)
• M6: 10,305,648 km (0.065 R)
• M7: 13,146,661 km (0.09 R)
• M8: 13,917,987 km (0.056 R)
• M9: 14,341,649 km (0.106 R)
• M10: 15,326,302 km (0.076 R)
• M11: 18,806,696 km (0.067 R)
• M12: 19,852,385 km (0.071 R)
• M13: 27,864,548 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.4

Radius: 4.8

Gravity: 15.99 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.3 AU - 10.28 AU

Year: 17676 Days

Day: 24.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,984,863 km

• M1: 65,673 km (0.048 R)
• M2: 437,873 km (0.091 R)
• M3: 617,540 km (0.05 R)
• M4: 1,907,522 km (0.054 R)
• M5: 2,376,961 km (0.08 R)
• M6: 3,333,639 km (0.086 R)
• M7: 4,681,067 km (0.098 R)
• M8: 8,582,579 km (0.101 R)
• M9: 20,006,471 km (0.097 R)
• M10: 21,573,659 km (0.117 R)
• M11: 27,491,451 km (0.101 R)
• M12: 34,040,995 km (0.077 R)
• M13: 34,650,008 km (0.118 R)
• M14: 37,415,923 km (0.101 R)
• M15: 47,340,845 km (0.099 R)
• M16: 49,329,748 km (0.043 R)
• M17: 49,796,494 km (0.097 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: 464 - 17,264 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit