🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695

Radius: 11.8

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.67 AU - 0.73 AU

Year: 378 Days

Day: 8.4 Hours

Environment

Temp: -131 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,378,531 km

• M1: 146,905 km (0.109 R)
• M2: 566,527 km (0.117 R)
• M3: 959,820 km (0.119 R)
• M4: 1,386,772 km (0.098 R)
• M5: 1,851,124 km (0.074 R)
• M6: 2,321,011 km (0.06 R)
• M7: 3,143,799 km (0.095 R)
• M8: 3,611,442 km (0.077 R)
• M9: 4,803,139 km (0.075 R)
• M10: 5,192,243 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.9

Radius: 14.4

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.56 AU - 0.9 AU

Year: 403 Days

Day: 11.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,378,531 km

• M1: 179,069 km (0.113 R)
• M2: 670,498 km (0.077 R)
• M3: 1,455,737 km (0.113 R)
• M4: 2,012,839 km (0.111 R)
• M5: 2,481,380 km (0.073 R)
• M6: 3,023,672 km (0.086 R)
• M7: 3,777,197 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.8

Radius: 13.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.02 AU - 1.26 AU

Year: 786 Days

Day: 11.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,378,531 km

• M1: 166,652 km (0.118 R)
• M2: 598,691 km (0.099 R)
• M3: 1,151,006 km (0.091 R)
• M4: 1,656,048 km (0.056 R)
• M5: 2,738,389 km (0.055 R)
• M6: 4,429,593 km (0.112 R)
• M7: 5,177,732 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.1

Radius: 13.6

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.12 AU - 2.26 AU

Year: 2093 Days

Day: 8 Hours

Environment

Temp: -200 °C

Axial Tilt: 149.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,378,531 km

• M1: 171,738 km (0.097 R)
• M2: 1,047,634 km (0.039 R)
• M3: 1,665,174 km (0.058 R)
• M4: 2,519,827 km (0.118 R)
• M5: 5,162,174 km (0.095 R)
• M6: 6,651,421 km (0.082 R)
• M7: 7,539,134 km (0.055 R)
• M8: 10,105,336 km (0.035 R)
• M9: 11,278,931 km (0.067 R)
• M10: 16,498,551 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.7

Radius: 12.3

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.56 AU - 4.08 AU

Year: 3906 Days

Day: 6.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,378,531 km

• M1: 153,039 km (0.079 R)
• M2: 604,675 km (0.082 R)
• M3: 1,070,971 km (0.087 R)
• M4: 1,769,593 km (0.103 R)
• M5: 2,416,006 km (0.068 R)
• M6: 2,902,797 km (0.069 R)
• M7: 4,183,205 km (0.082 R)
• M8: 4,866,269 km (0.073 R)
• M9: 5,864,087 km (0.051 R)
• M10: 7,148,385 km (0.094 R)
• M11: 7,990,920 km (0.102 R)
• M12: 11,254,397 km (0.098 R)
• M13: 12,806,475 km (0.103 R)
• M14: 14,547,196 km (0.108 R)
• M15: 16,060,379 km (0.119 R)
• M16: 17,965,059 km (0.118 R)
• M17: 18,493,588 km (0.074 R)
• M18: 19,092,877 km (0.101 R)
• M19: 22,691,603 km (0.102 R)

Asteroid Belt

Center: 3.6 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.3

Radius: 8.5

Gravity: 11.62 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.9 AU - 4.84 AU

Year: 4916 Days

Day: 9.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,378,531 km

• M1: 110,254 km (0.103 R)
• M2: 396,434 km (0.096 R)
• M3: 718,668 km (0.113 R)
• M4: 1,149,061 km (0.118 R)
• M5: 1,530,237 km (0.075 R)
• M6: 2,637,261 km (0.086 R)
• M7: 3,204,985 km (0.107 R)
• M8: 3,738,301 km (0.047 R)
• M9: 4,085,817 km (0.119 R)
• M10: 4,846,073 km (0.103 R)
• M11: 5,317,157 km (0.108 R)
• M12: 6,415,205 km (0.104 R)
• M13: 7,262,229 km (0.029 R)
• M14: 7,694,417 km (0.086 R)
• M15: 7,991,967 km (0.083 R)
• M16: 9,385,322 km (0.108 R)
• M17: 10,117,603 km (0.072 R)
• M18: 10,384,935 km (0.04 R)
• M19: 10,702,830 km (0.089 R)
• M20: 11,550,302 km (0.086 R)
• M21: 12,852,252 km (0.09 R)
• M22: 14,249,496 km (0.055 R)
• M23: 14,812,882 km (0.119 R)
• M24: 21,290,919 km (0.03 R)
• M25: 23,086,691 km (0.115 R)
• M26: 27,838,967 km (0.081 R)
• M27: 28,276,840 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293.8

Radius: 5.1

Gravity: 11.3 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 8.13 AU - 12.97 AU

Year: 22126 Days

Day: 21.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,378,531 km

• M1: 64,028 km (0.057 R)
• M2: 274,512 km (0.079 R)
• M3: 470,784 km (0.11 R)
• M4: 698,622 km (0.113 R)
• M5: 1,256,921 km (0.086 R)
• M6: 1,467,854 km (0.052 R)
• M7: 2,246,960 km (0.115 R)
• M8: 2,714,902 km (0.115 R)
• M9: 2,876,767 km (0.107 R)
• M10: 3,322,718 km (0.12 R)
• M11: 3,644,952 km (0.088 R)
• M12: 3,813,699 km (0.098 R)
• M13: 4,870,757 km (0.055 R)
• M14: 5,576,560 km (0.062 R)
• M15: 6,593,227 km (0.094 R)
• M16: 10,545,453 km (0.093 R)
• M17: 12,465,093 km (0.112 R)
• M18: 13,241,356 km (0.104 R)
• M19: 13,776,468 km (0.074 R)
• M20: 14,325,791 km (0.096 R)
• M21: 15,104,897 km (0.083 R)
• M22: 17,058,047 km (0.091 R)
• M23: 28,384,251 km (0.105 R)
• M24: 31,104,838 km (0.111 R)
• M25: 31,574,575 km (0.086 R)
• M26: 34,743,806 km (0.058 R)
• M27: 39,336,012 km (0.055 R)
• M28: 41,422,005 km (0.047 R)
• M29: 42,420,271 km (0.111 R)
• M30: 44,316,574 km (0.115 R)
• M31: 46,116,536 km (0.102 R)
• M32: 46,880,682 km (0.069 R)
• M33: 53,635,773 km (0.062 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 17,749 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit