🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.9

Radius: 10.4

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.51 AU - 0.51 AU

Year: 256 Days

Day: 13 Hours

Environment

Temp: -131 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,081,063 km

• M1: 129,402 km (0.081 R)
• M2: 541,993 km (0.083 R)
• M3: 1,145,321 km (0.092 R)
• M4: 1,478,177 km (0.116 R)
• M5: 2,017,926 km (0.088 R)
• M6: 2,606,444 km (0.082 R)
• M7: 2,989,265 km (0.047 R)
• M8: 3,601,718 km (0.106 R)
• M9: 3,938,164 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.5

Radius: 14.1

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.45 AU - 0.75 AU

Year: 327 Days

Day: 10.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 38,081,063 km

• M1: 175,329 km (0.12 R)
• M2: 633,397 km (0.096 R)
• M3: 1,705,715 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.7

Radius: 12

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.64 AU - 1.94 AU

Year: 1683 Days

Day: 13.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,081,063 km

• M1: 149,299 km (0.099 R)
• M2: 572,212 km (0.112 R)
• M3: 1,322,744 km (0.075 R)
• M4: 2,701,588 km (0.082 R)
• M5: 4,812,863 km (0.053 R)
• M6: 5,400,034 km (0.053 R)
• M7: 6,148,173 km (0.09 R)
• M8: 6,799,522 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.4

Radius: 8.3

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.83 AU - 2.13 AU

Year: 1958 Days

Day: 7 Hours

Environment

Temp: -198 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,081,063 km

• M1: 103,223 km (0.094 R)
• M2: 451,786 km (0.082 R)
• M3: 808,277 km (0.12 R)
• M4: 1,219,073 km (0.09 R)
• M5: 1,697,936 km (0.068 R)
• M6: 2,250,999 km (0.059 R)
• M7: 2,837,273 km (0.068 R)
• M8: 3,144,846 km (0.102 R)
• M9: 3,474,710 km (0.03 R)
• M10: 4,013,112 km (0.096 R)
• M11: 4,549,570 km (0.111 R)
• M12: 5,276,167 km (0.1 R)
• M13: 5,591,968 km (0.104 R)
• M14: 6,123,490 km (0.093 R)
• M15: 6,664,136 km (0.116 R)
• M16: 7,338,823 km (0.105 R)
• M17: 8,449,587 km (0.101 R)
• M18: 8,941,465 km (0.053 R)
• M19: 10,336,315 km (0.109 R)
• M20: 11,728,323 km (0.098 R)
• M21: 12,122,215 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.7

Radius: 12.6

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.1 AU - 2.1 AU

Year: 2139 Days

Day: 14 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,081,063 km

• M1: 156,629 km (0.068 R)
• M2: 571,613 km (0.082 R)
• M3: 1,150,557 km (0.106 R)
• M4: 2,134,762 km (0.108 R)
• M5: 2,659,551 km (0.063 R)
• M6: 3,120,911 km (0.111 R)
• M7: 3,528,415 km (0.106 R)
• M8: 4,949,146 km (0.12 R)
• M9: 5,652,855 km (0.045 R)
• M10: 7,982,243 km (0.116 R)
• M11: 8,457,366 km (0.057 R)
• M12: 9,925,220 km (0.095 R)
• M13: 11,240,186 km (0.045 R)
• M14: 11,797,587 km (0.091 R)
• M15: 12,206,887 km (0.074 R)
• M16: 12,753,368 km (0.047 R)
• M17: 16,130,540 km (0.057 R)
• M18: 16,686,446 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.9

Radius: 14.6

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.15 AU - 5.41 AU

Year: 7346 Days

Day: 13.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,081,063 km

• M1: 182,659 km (0.088 R)
• M2: 979,716 km (0.106 R)
• M3: 1,486,554 km (0.087 R)
• M4: 2,715,501 km (0.082 R)
• M5: 4,322,032 km (0.113 R)
• M6: 5,009,285 km (0.12 R)
• M7: 5,636,848 km (0.12 R)
• M8: 6,640,051 km (0.099 R)
• M9: 7,359,916 km (0.098 R)
• M10: 8,602,177 km (0.079 R)
• M11: 10,272,437 km (0.11 R)
• M12: 11,553,743 km (0.102 R)
• M13: 12,316,542 km (0.076 R)
• M14: 13,405,166 km (0.083 R)
• M15: 14,432,754 km (0.034 R)
• M16: 16,645,007 km (0.078 R)
• M17: 18,119,593 km (0.098 R)
• M18: 20,531,709 km (0.057 R)
• M19: 22,643,732 km (0.117 R)
• M20: 24,807,665 km (0.093 R)
• M21: 26,263,103 km (0.049 R)
• M22: 28,551,950 km (0.1 R)
• M23: 29,946,951 km (0.079 R)
• M24: 31,282,560 km (0.086 R)
• M25: 32,336,777 km (0.092 R)
• M26: 33,305,722 km (0.084 R)
• M27: 36,791,652 km (0.104 R)
• M28: 38,682,868 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.8

Radius: 7

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.01 AU - 6.25 AU

Year: 10668 Days

Day: 15.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,081,063 km

• M1: 88,412 km (0.113 R)
• M2: 377,585 km (0.109 R)
• M3: 599,289 km (0.088 R)
• M4: 1,554,172 km (0.107 R)
• M5: 1,949,859 km (0.112 R)
• M6: 2,188,318 km (0.116 R)
• M7: 2,763,521 km (0.064 R)
• M8: 4,288,821 km (0.11 R)
• M9: 4,980,263 km (0.096 R)
• M10: 5,306,984 km (0.043 R)
• M11: 6,102,995 km (0.089 R)
• M12: 6,688,222 km (0.085 R)
• M13: 8,753,420 km (0.04 R)
• M14: 9,318,451 km (0.088 R)
• M15: 9,587,279 km (0.054 R)
• M16: 10,377,305 km (0.028 R)
• M17: 15,608,294 km (0.103 R)
• M18: 17,163,663 km (0.105 R)
• M19: 22,606,183 km (0.06 R)
• M20: 23,668,029 km (0.075 R)
• M21: 25,452,881 km (0.114 R)
• M22: 26,512,183 km (0.071 R)
• M23: 27,325,547 km (0.095 R)
• M24: 27,969,715 km (0.108 R)
• M25: 29,192,828 km (0.065 R)
• M26: 30,157,584 km (0.045 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 12,559 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit