🌌 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: 751.6

Radius: 10.4

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.48 AU - 0.66 AU

Year: 297 Days

Day: 11.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,781,857 km

• M1: 129,402 km (0.107 R)
• M2: 485,894 km (0.104 R)
• M3: 812,167 km (0.083 R)
• M4: 1,150,707 km (0.089 R)
• M5: 1,766,302 km (0.095 R)
• M6: 2,106,488 km (0.099 R)
• M7: 3,052,993 km (0.069 R)
• M8: 3,525,573 km (0.101 R)
• M9: 4,021,939 km (0.109 R)
• M10: 4,417,625 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.8

Radius: 9.7

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.29 AU - 1.71 AU

Year: 1268 Days

Day: 10.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,781,857 km

• M1: 120,725 km (0.097 R)
• M2: 644,916 km (0.103 R)
• M3: 1,220,569 km (0.103 R)
• M4: 1,741,020 km (0.107 R)
• M5: 2,090,780 km (0.095 R)
• M6: 2,840,714 km (0.105 R)
• M7: 3,344,260 km (0.045 R)
• M8: 3,776,299 km (0.078 R)
• M9: 4,640,676 km (0.077 R)
• M10: 5,402,428 km (0.068 R)
• M11: 5,867,528 km (0.074 R)
• M12: 6,615,218 km (0.118 R)
• M13: 7,298,282 km (0.102 R)
• M14: 8,719,312 km (0.099 R)
• M15: 9,970,100 km (0.074 R)
• M16: 10,508,951 km (0.032 R)
• M17: 11,167,631 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.9

Radius: 11

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.54 AU - 2.7 AU

Year: 2927 Days

Day: 13.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,781,857 km

• M1: 155,731 km (0.051 R)
• M2: 836,252 km (0.11 R)
• M3: 1,320,500 km (0.102 R)
• M4: 1,838,707 km (0.116 R)
• M5: 2,581,311 km (0.081 R)
• M6: 3,091,739 km (0.115 R)
• M7: 3,931,582 km (0.099 R)
• M8: 4,316,497 km (0.027 R)
• M9: 4,917,132 km (0.081 R)
• M10: 5,705,364 km (0.108 R)
• M11: 6,172,109 km (0.115 R)
• M12: 9,682,423 km (0.053 R)
• M13: 10,753,843 km (0.065 R)
• M14: 11,297,182 km (0.031 R)
• M15: 12,393,436 km (0.12 R)
• M16: 14,950,063 km (0.108 R)
• M17: 16,000,390 km (0.087 R)
• M18: 16,708,885 km (0.115 R)
• M19: 17,324,630 km (0.06 R)
• M20: 18,601,598 km (0.085 R)
• M21: 20,889,248 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.5

Radius: 13.6

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.86 AU - 4.58 AU

Year: 4953 Days

Day: 6.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,781,857 km

• M1: 169,195 km (0.113 R)
• M2: 815,608 km (0.108 R)
• M3: 1,388,418 km (0.082 R)
• M4: 2,496,489 km (0.115 R)
• M5: 3,027,562 km (0.071 R)
• M6: 3,808,911 km (0.11 R)
• M7: 4,442,907 km (0.065 R)
• M8: 4,930,746 km (0.105 R)
• M9: 5,511,485 km (0.097 R)
• M10: 6,230,901 km (0.085 R)
• M11: 7,080,168 km (0.104 R)
• M12: 8,005,132 km (0.096 R)
• M13: 8,691,786 km (0.072 R)
• M14: 9,417,186 km (0.093 R)
• M15: 11,886,897 km (0.105 R)
• M16: 14,371,718 km (0.101 R)
• M17: 15,561,021 km (0.11 R)
• M18: 17,061,039 km (0.103 R)
• M19: 23,801,919 km (0.119 R)
• M20: 24,347,951 km (0.039 R)
• M21: 25,464,849 km (0.119 R)
• M22: 27,288,746 km (0.113 R)
• M23: 27,715,250 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.7

Radius: 14.2

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.99 AU - 5.39 AU

Year: 8161 Days

Day: 7.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,781,857 km

• M1: 176,675 km (0.081 R)
• M2: 929,302 km (0.04 R)
• M3: 1,383,631 km (0.077 R)
• M4: 2,006,855 km (0.09 R)
• M5: 2,775,190 km (0.107 R)
• M6: 4,343,275 km (0.091 R)
• M7: 6,232,846 km (0.111 R)
• M8: 6,872,227 km (0.116 R)
• M9: 8,578,690 km (0.119 R)
• M10: 10,503,865 km (0.095 R)
• M11: 12,207,485 km (0.113 R)
• M12: 14,269,094 km (0.106 R)
• M13: 15,831,195 km (0.11 R)
• M14: 16,354,488 km (0.113 R)
• M15: 18,206,210 km (0.045 R)
• M16: 19,441,739 km (0.062 R)
• M17: 20,654,828 km (0.12 R)
• M18: 23,568,546 km (0.08 R)
• M19: 24,337,778 km (0.075 R)
• M20: 25,389,302 km (0.086 R)
• M21: 27,677,401 km (0.112 R)
• M22: 29,407,650 km (0.054 R)
• M23: 35,251,990 km (0.115 R)
• M24: 37,168,937 km (0.085 R)
• M25: 37,978,112 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.3

Radius: 3.4

Gravity: 14.04 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.7 AU - 6.32 AU

Year: 10170 Days

Day: 15.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,781,857 km

• M1: 42,336 km (0.109 R)
• M2: 172,038 km (0.106 R)
• M3: 331,808 km (0.105 R)
• M4: 618,886 km (0.119 R)
• M5: 1,219,522 km (0.072 R)
• M6: 1,416,692 km (0.08 R)
• M7: 1,621,791 km (0.111 R)
• M8: 1,791,883 km (0.091 R)
• M9: 2,032,137 km (0.063 R)
• M10: 2,167,673 km (0.118 R)
• M11: 2,407,179 km (0.083 R)
• M12: 2,628,734 km (0.11 R)
• M13: 3,697,311 km (0.065 R)
• M14: 4,133,688 km (0.115 R)
• M15: 4,944,658 km (0.054 R)
• M16: 5,052,967 km (0.065 R)
• M17: 5,190,597 km (0.098 R)
• M18: 5,618,746 km (0.114 R)
• M19: 6,708,268 km (0.115 R)
• M20: 7,532,103 km (0.089 R)
• M21: 7,894,429 km (0.04 R)
• M22: 8,459,460 km (0.079 R)
• M23: 13,035,958 km (0.113 R)
• M24: 14,311,430 km (0.037 R)
• M25: 15,551,596 km (0.044 R)
• M26: 20,524,379 km (0.067 R)
• M27: 21,229,733 km (0.039 R)
• M28: 21,878,240 km (0.095 R)
• M29: 22,465,711 km (0.078 R)
• M30: 22,763,410 km (0.03 R)
• M31: 27,043,106 km (0.077 R)
• M32: 29,548,571 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.2

Radius: 7.3

Gravity: 12.13 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 8.1 AU - 11.06 AU

Year: 20467 Days

Day: 15.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,781,857 km

• M1: 90,806 km (0.027 R)
• M2: 367,263 km (0.113 R)
• M3: 1,375,552 km (0.083 R)
• M4: 1,664,875 km (0.101 R)
• M5: 4,580,687 km (0.117 R)
• M6: 4,971,436 km (0.108 R)
• M7: 12,075,690 km (0.116 R)
• M8: 17,440,718 km (0.1 R)
• M9: 20,401,410 km (0.107 R)
• M10: 21,360,781 km (0.111 R)
• M11: 28,935,071 km (0.065 R)
• M12: 33,977,416 km (0.093 R)
• M13: 39,136,000 km (0.113 R)
• M14: 40,018,926 km (0.097 R)
• M15: 52,912,916 km (0.114 R)
• M16: 54,537,101 km (0.111 R)
• M17: 58,838,488 km (0.061 R)
• M18: 59,802,646 km (0.071 R)
• M19: 60,777,277 km (0.091 R)
• M20: 65,603,154 km (0.113 R)
• M21: 69,600,110 km (0.04 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: 168 - 14,772 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit