🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.6

Radius: 14.3

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.81 AU - 0.87 AU

Year: 513 Days

Day: 11.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,435,616 km

• M1: 177,872 km (0.115 R)
• M2: 650,003 km (0.046 R)
• M3: 1,148,313 km (0.1 R)
• M4: 1,711,549 km (0.116 R)
• M5: 2,439,792 km (0.083 R)
• M6: 2,986,721 km (0.06 R)
• M7: 3,602,766 km (0.093 R)
• M8: 4,161,514 km (0.078 R)
• M9: 4,855,199 km (0.105 R)
• M10: 5,694,293 km (0.082 R)
• M11: 6,324,699 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.9

Radius: 14.4

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.98 AU - 1.04 AU

Year: 677 Days

Day: 5.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,435,616 km

• M1: 179,069 km (0.091 R)
• M2: 638,334 km (0.104 R)
• M3: 1,409,212 km (0.088 R)
• M4: 1,882,839 km (0.044 R)
• M5: 2,483,474 km (0.075 R)
• M6: 3,165,790 km (0.111 R)
• M7: 3,638,370 km (0.086 R)
• M8: 5,630,265 km (0.035 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.2

Radius: 13.6

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.99 AU - 1.19 AU

Year: 759 Days

Day: 14.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 114.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,435,616 km

• M1: 169,195 km (0.087 R)
• M2: 675,285 km (0.063 R)
• M3: 1,226,403 km (0.111 R)
• M4: 1,659,938 km (0.072 R)
• M5: 2,363,198 km (0.09 R)
• M6: 2,875,869 km (0.085 R)
• M7: 4,012,215 km (0.079 R)
• M8: 4,508,880 km (0.085 R)
• M9: 5,270,333 km (0.072 R)
• M10: 6,173,904 km (0.109 R)
• M11: 6,714,700 km (0.059 R)
• M12: 7,573,991 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.3

Radius: 10.9

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.61 AU - 2.09 AU

Year: 1678 Days

Day: 12.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,435,616 km

• M1: 135,536 km (0.109 R)
• M2: 677,080 km (0.107 R)
• M3: 1,153,848 km (0.08 R)
• M4: 1,794,277 km (0.099 R)
• M5: 2,306,201 km (0.088 R)
• M6: 2,671,220 km (0.102 R)
• M7: 3,171,774 km (0.102 R)
• M8: 3,734,112 km (0.113 R)
• M9: 4,812,564 km (0.082 R)
• M10: 5,234,579 km (0.114 R)
• M11: 6,175,400 km (0.112 R)
• M12: 7,398,961 km (0.113 R)
• M13: 8,282,037 km (0.033 R)
• M14: 9,527,589 km (0.039 R)
• M15: 10,477,236 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.1

Radius: 14.2

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.95 AU - 2.25 AU

Year: 2029 Days

Day: 13.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,435,616 km

• M1: 177,423 km (0.072 R)
• M2: 832,512 km (0.113 R)
• M3: 1,442,123 km (0.075 R)
• M4: 1,956,291 km (0.044 R)
• M5: 2,662,094 km (0.094 R)
• M6: 3,351,591 km (0.104 R)
• M7: 3,827,910 km (0.036 R)
• M8: 4,648,604 km (0.08 R)
• M9: 5,537,664 km (0.093 R)
• M10: 6,059,911 km (0.1 R)
• M11: 6,511,696 km (0.074 R)
• M12: 7,121,756 km (0.113 R)
• M13: 7,945,293 km (0.076 R)
• M14: 9,414,044 km (0.065 R)
• M15: 11,094,028 km (0.111 R)
• M16: 12,083,618 km (0.112 R)
• M17: 12,925,256 km (0.116 R)
• M18: 13,677,434 km (0.084 R)
• M19: 15,269,455 km (0.1 R)
• M20: 15,779,733 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.6

Radius: 8.3

Gravity: 11.59 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.84 AU - 2.42 AU

Year: 2073 Days

Day: 10.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,435,616 km

• M1: 103,223 km (0.085 R)
• M2: 582,235 km (0.108 R)
• M3: 943,514 km (0.104 R)
• M4: 1,219,073 km (0.081 R)
• M5: 1,549,236 km (0.079 R)
• M6: 1,915,451 km (0.112 R)
• M7: 3,122,706 km (0.069 R)
• M8: 3,442,845 km (0.057 R)
• M9: 6,128,726 km (0.107 R)
• M10: 6,390,671 km (0.088 R)
• M11: 9,131,304 km (0.103 R)
• M12: 11,871,788 km (0.085 R)
• M13: 12,782,091 km (0.043 R)
• M14: 15,452,114 km (0.077 R)
• M15: 15,791,701 km (0.12 R)
• M16: 16,435,720 km (0.095 R)
• M17: 17,670,351 km (0.082 R)

Asteroid Belt

Center: 2.69 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.4

Radius: 14.1

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.72 AU - 3.76 AU

Year: 3889 Days

Day: 9.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,435,616 km

• M1: 175,329 km (0.103 R)
• M2: 750,682 km (0.097 R)
• M3: 1,266,196 km (0.079 R)
• M4: 1,763,908 km (0.083 R)
• M5: 2,519,079 km (0.073 R)
• M6: 3,126,595 km (0.06 R)
• M7: 3,579,578 km (0.11 R)
• M8: 4,076,542 km (0.056 R)
• M9: 4,778,006 km (0.094 R)
• M10: 6,349,981 km (0.119 R)
• M11: 7,162,148 km (0.086 R)
• M12: 8,390,795 km (0.092 R)
• M13: 9,952,896 km (0.085 R)
• M14: 11,372,281 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.8

Radius: 8.1

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.06 AU - 4.1 AU

Year: 4517 Days

Day: 9.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,435,616 km

• M1: 100,829 km (0.082 R)
• M2: 430,243 km (0.092 R)
• M3: 812,316 km (0.077 R)
• M4: 1,435,092 km (0.092 R)
• M5: 1,964,370 km (0.088 R)
• M6: 2,518,779 km (0.071 R)
• M7: 3,530,659 km (0.065 R)
• M8: 4,185,898 km (0.076 R)
• M9: 7,532,552 km (0.096 R)
• M10: 8,881,925 km (0.087 R)
• M11: 9,512,629 km (0.051 R)
• M12: 10,088,731 km (0.074 R)
• M13: 13,072,311 km (0.113 R)
• M14: 14,044,846 km (0.026 R)
• M15: 14,468,508 km (0.091 R)
• M16: 15,009,902 km (0.087 R)
• M17: 15,341,112 km (0.065 R)
• M18: 15,790,504 km (0.079 R)
• M19: 17,553,964 km (0.076 R)
• M20: 18,232,390 km (0.085 R)
• M21: 21,052,460 km (0.05 R)
• M22: 21,398,180 km (0.115 R)
• M23: 22,746,655 km (0.106 R)
• M24: 23,257,532 km (0.045 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.9

Radius: 8.6

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.98 AU - 4.28 AU

Year: 4612 Days

Day: 6.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,435,616 km

• M1: 106,962 km (0.092 R)
• M2: 494,571 km (0.104 R)
• M3: 1,960,630 km (0.055 R)
• M4: 2,991,359 km (0.09 R)
• M5: 3,839,429 km (0.059 R)
• M6: 7,061,767 km (0.104 R)
• M7: 11,394,720 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726

Radius: 5.8

Gravity: 21.58 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.1 AU - 10.18 AU

Year: 16936 Days

Day: 20.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 69,435,616 km

• M1: 73,004 km (0.115 R)
• M2: 270,772 km (0.077 R)
• M3: 476,619 km (0.106 R)
• M4: 696,378 km (0.098 R)
• M5: 1,348,326 km (0.12 R)
• M6: 2,726,870 km (0.117 R)
• M7: 3,281,429 km (0.06 R)
• M8: 3,938,613 km (0.072 R)
• M9: 4,817,799 km (0.037 R)
• M10: 6,143,386 km (0.105 R)
• M11: 7,505,924 km (0.1 R)
• M12: 8,536,204 km (0.115 R)
• M13: 8,794,709 km (0.07 R)
• M14: 9,994,933 km (0.108 R)
• M15: 13,535,915 km (0.059 R)
• M16: 14,683,181 km (0.084 R)
• M17: 15,893,876 km (0.103 R)
• M18: 19,297,527 km (0.092 R)
• M19: 24,584,764 km (0.104 R)
• M20: 25,108,507 km (0.088 R)
• M21: 26,834,567 km (0.115 R)
• M22: 28,638,119 km (0.12 R)
• M23: 31,247,854 km (0.104 R)
• M24: 34,662,126 km (0.04 R)
• M25: 34,924,521 km (0.105 R)
• M26: 36,256,241 km (0.05 R)
• M27: 38,316,951 km (0.111 R)
• M28: 41,184,144 km (0.098 R)
• M29: 42,971,390 km (0.061 R)
• M30: 46,859,588 km (0.113 R)
• M31: 49,301,624 km (0.088 R)
• M32: 55,148,357 km (0.099 R)
• M33: 55,865,081 km (0.096 R)
• M34: 60,867,035 km (0.116 R)
• M35: 63,770,730 km (0.1 R)
• M36: 64,362,389 km (0.074 R)
• M37: 67,784,142 km (0.119 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 19,299 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit