🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.92 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.44 AU - 2.22 AU

Year: 891 Days

Day: 31.3 Hours

Environment

Temp: -57 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,789,301 km

• M1: 642,224 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.1

Radius: 12.9

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.89 AU - 6.43 AU

Year: 4218 Days

Day: 6.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,789,301 km

• M1: 160,519 km (0.091 R)
• M2: 619,934 km (0.117 R)
• M3: 1,075,459 km (0.116 R)
• M4: 1,613,413 km (0.094 R)
• M5: 2,267,305 km (0.115 R)
• M6: 4,445,450 km (0.066 R)
• M7: 5,037,260 km (0.077 R)
• M8: 7,837,881 km (0.102 R)
• M9: 8,704,053 km (0.104 R)
• M10: 10,672,013 km (0.069 R)
• M11: 11,688,530 km (0.099 R)
• M12: 13,177,478 km (0.103 R)
• M13: 15,527,361 km (0.055 R)
• M14: 19,523,869 km (0.113 R)
• M15: 22,122,683 km (0.091 R)
• M16: 24,864,961 km (0.117 R)
• M17: 25,343,076 km (0.026 R)
• M18: 26,317,856 km (0.081 R)
• M19: 27,401,692 km (0.093 R)
• M20: 29,747,836 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.3

Radius: 9.2

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.74 AU - 6.96 AU

Year: 5092 Days

Day: 6.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,789,301 km

• M1: 114,592 km (0.096 R)
• M2: 415,134 km (0.075 R)
• M3: 1,177,934 km (0.027 R)
• M4: 1,624,034 km (0.108 R)
• M5: 3,146,492 km (0.05 R)
• M6: 4,629,306 km (0.118 R)
• M7: 5,806,791 km (0.049 R)
• M8: 7,172,919 km (0.105 R)
• M9: 8,942,662 km (0.087 R)
• M10: 9,777,717 km (0.082 R)
• M11: 17,771,778 km (0.066 R)
• M12: 19,771,453 km (0.104 R)
• M13: 26,918,042 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.4

Radius: 12.7

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 7.51 AU - 7.99 AU

Year: 7765 Days

Day: 11.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,789,301 km

• M1: 157,975 km (0.1 R)
• M2: 665,711 km (0.119 R)
• M3: 1,106,127 km (0.119 R)
• M4: 1,569,431 km (0.114 R)
• M5: 1,970,653 km (0.118 R)
• M6: 2,405,384 km (0.087 R)
• M7: 3,245,675 km (0.101 R)
• M8: 3,883,561 km (0.065 R)
• M9: 4,408,799 km (0.114 R)
• M10: 5,193,140 km (0.097 R)
• M11: 5,667,815 km (0.11 R)
• M12: 6,068,288 km (0.082 R)
• M13: 6,889,431 km (0.091 R)
• M14: 7,307,706 km (0.117 R)
• M15: 7,783,278 km (0.069 R)
• M16: 13,806,537 km (0.076 R)
• M17: 17,013,766 km (0.106 R)
• M18: 17,639,683 km (0.097 R)
• M19: 18,137,096 km (0.04 R)
• M20: 20,609,351 km (0.097 R)
• M21: 23,725,474 km (0.049 R)
• M22: 24,507,123 km (0.103 R)
• M23: 28,287,162 km (0.114 R)
• M24: 32,122,702 km (0.116 R)
• M25: 33,186,792 km (0.102 R)
• M26: 42,182,860 km (0.064 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 464.9

Radius: 5.2

Gravity: 17.19 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 12.89 AU - 19.61 AU

Year: 23575 Days

Day: 18.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 77,789,301 km

• M1: 64,776 km (0.073 R)
• M2: 292,015 km (0.087 R)
• M3: 471,084 km (0.106 R)
• M4: 1,315,414 km (0.1 R)
• M5: 1,666,371 km (0.116 R)
• M6: 1,939,836 km (0.088 R)
• M7: 2,350,631 km (0.095 R)
• M8: 2,530,448 km (0.074 R)
• M9: 2,917,906 km (0.078 R)
• M10: 3,316,136 km (0.118 R)
• M11: 4,659,226 km (0.061 R)
• M12: 6,994,748 km (0.069 R)
• M13: 7,368,443 km (0.076 R)
• M14: 9,052,018 km (0.052 R)
• M15: 9,780,260 km (0.104 R)
• M16: 10,546,949 km (0.109 R)
• M17: 10,914,062 km (0.042 R)
• M18: 11,100,760 km (0.107 R)
• M19: 13,870,864 km (0.035 R)
• M20: 14,989,707 km (0.083 R)
• M21: 15,847,501 km (0.111 R)
• M22: 16,491,669 km (0.059 R)
• M23: 18,004,553 km (0.086 R)
• M24: 19,791,349 km (0.04 R)
• M25: 21,497,513 km (0.119 R)
• M26: 23,094,321 km (0.118 R)
• M27: 24,131,633 km (0.054 R)
• M28: 27,086,639 km (0.119 R)
• M29: 27,774,490 km (0.047 R)
• M30: 32,148,732 km (0.114 R)
• M31: 32,532,600 km (0.108 R)
• M32: 34,232,032 km (0.066 R)
• M33: 35,578,712 km (0.118 R)
• M34: 37,381,815 km (0.109 R)
• M35: 37,664,555 km (0.089 R)
• M36: 46,660,324 km (0.078 R)
• M37: 49,665,595 km (0.086 R)
• M38: 55,689,603 km (0.107 R)
• M39: 57,361,957 km (0.079 R)
• M40: 66,849,604 km (0.096 R)
• M41: 68,949,659 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 20.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.2

Radius: 6.8

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 16.67 AU - 23.49 AU

Year: 32383 Days

Day: 24.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,789,301 km

• M1: 85,720 km (0.105 R)
• M2: 493,972 km (0.109 R)
• M3: 867,668 km (0.107 R)
• M4: 1,736,083 km (0.073 R)
• M5: 2,354,970 km (0.07 R)
• M6: 4,084,770 km (0.108 R)
• M7: 4,801,194 km (0.089 R)
• M8: 6,932,066 km (0.086 R)
• M9: 11,850,545 km (0.113 R)
• M10: 13,296,857 km (0.079 R)
• M11: 14,857,013 km (0.103 R)
• M12: 15,245,669 km (0.116 R)
• M13: 20,742,194 km (0.111 R)
• M14: 25,389,900 km (0.087 R)
• M15: 27,081,403 km (0.103 R)
• M16: 31,700,238 km (0.069 R)
• M17: 36,395,068 km (0.101 R)
• M18: 41,227,228 km (0.044 R)
• M19: 43,085,384 km (0.065 R)
• M20: 49,854,687 km (0.097 R)
• M21: 52,677,898 km (0.12 R)
• M22: 54,495,512 km (0.084 R)
• M23: 57,109,735 km (0.058 R)
• M24: 60,987,761 km (0.116 R)
• M25: 66,496,553 km (0.086 R)
• M26: 77,323,998 km (0.093 R)

Kuiper Belt

Range: 30.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 14,364 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit