🌌 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: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.3

Radius: 9.9

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.48 AU - 0.68 AU

Year: 300 Days

Day: 10.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,949,032 km

• M1: 123,119 km (0.111 R)
• M2: 602,131 km (0.119 R)
• M3: 915,838 km (0.086 R)
• M4: 1,365,679 km (0.096 R)
• M5: 1,726,509 km (0.082 R)
• M6: 2,206,868 km (0.116 R)
• M7: 2,841,462 km (0.105 R)
• M8: 3,448,530 km (0.118 R)
• M9: 3,871,742 km (0.094 R)
• M10: 4,189,788 km (0.066 R)
• M11: 4,498,857 km (0.026 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.4

Radius: 11.5

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.67 AU - 0.73 AU

Year: 397 Days

Day: 10.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,949,032 km

• M1: 143,016 km (0.083 R)
• M2: 503,397 km (0.072 R)
• M3: 925,562 km (0.076 R)
• M4: 1,292,226 km (0.111 R)
• M5: 1,750,893 km (0.098 R)
• M6: 2,227,213 km (0.052 R)
• M7: 2,949,771 km (0.07 R)
• M8: 3,680,706 km (0.062 R)
• M9: 4,103,170 km (0.092 R)
• M10: 4,513,966 km (0.085 R)
• M11: 5,336,455 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.5

Radius: 12.8

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.62 AU - 0.94 AU

Year: 467 Days

Day: 12.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,949,032 km

• M1: 159,771 km (0.11 R)
• M2: 566,826 km (0.101 R)
• M3: 995,275 km (0.082 R)
• M4: 1,529,489 km (0.109 R)
• M5: 2,517,283 km (0.099 R)
• M6: 3,157,263 km (0.026 R)
• M7: 3,562,823 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.6

Radius: 14.9

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.74 AU - 0.9 AU

Year: 504 Days

Day: 9.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,949,032 km

• M1: 185,950 km (0.094 R)
• M2: 744,100 km (0.032 R)
• M3: 1,358,349 km (0.091 R)
• M4: 1,834,668 km (0.037 R)
• M5: 2,386,385 km (0.069 R)
• M6: 2,936,008 km (0.114 R)
• M7: 3,519,440 km (0.078 R)
• M8: 4,208,637 km (0.105 R)
• M9: 5,003,151 km (0.099 R)
• M10: 5,663,027 km (0.098 R)
• M11: 6,247,506 km (0.08 R)
• M12: 6,791,893 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.1

Radius: 8.1

Gravity: 13.72 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.9 AU - 1.32 AU

Year: 793 Days

Day: 13.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,949,032 km

• M1: 108,758 km (0.092 R)
• M2: 383,719 km (0.086 R)
• M3: 674,088 km (0.099 R)
• M4: 980,614 km (0.082 R)
• M5: 1,418,487 km (0.065 R)
• M6: 1,696,440 km (0.09 R)
• M7: 3,490,268 km (0.117 R)
• M8: 4,195,771 km (0.094 R)
• M9: 6,053,627 km (0.092 R)
• M10: 6,548,198 km (0.117 R)
• M11: 7,496,648 km (0.063 R)
• M12: 7,865,557 km (0.03 R)
• M13: 8,480,853 km (0.098 R)
• M14: 9,239,015 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.2

Radius: 11.9

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.9 AU - 1.38 AU

Year: 826 Days

Day: 10.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,949,032 km

• M1: 149,598 km (0.112 R)
• M2: 570,117 km (0.079 R)
• M3: 1,352,365 km (0.111 R)
• M4: 1,737,878 km (0.12 R)
• M5: 2,303,658 km (0.052 R)
• M6: 2,887,688 km (0.085 R)
• M7: 3,777,795 km (0.044 R)
• M8: 5,308,929 km (0.102 R)
• M9: 7,508,467 km (0.07 R)
• M10: 8,528,126 km (0.095 R)
• M11: 10,078,109 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.5

Radius: 14.3

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.5 AU - 2.12 AU

Year: 1652 Days

Day: 11.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,949,032 km

• M1: 177,872 km (0.11 R)
• M2: 644,168 km (0.099 R)
• M3: 1,979,928 km (0.102 R)
• M4: 2,448,468 km (0.038 R)
• M5: 3,494,606 km (0.074 R)
• M6: 4,340,582 km (0.11 R)
• M7: 6,102,396 km (0.055 R)
• M8: 6,876,117 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.6

Radius: 8.5

Gravity: 9.21 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.91 AU - 2.49 AU

Year: 2213 Days

Day: 12.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,949,032 km

• M1: 105,915 km (0.115 R)
• M2: 409,150 km (0.083 R)
• M3: 720,613 km (0.117 R)
• M4: 1,278,314 km (0.102 R)
• M5: 1,556,416 km (0.05 R)
• M6: 2,302,910 km (0.109 R)
• M7: 2,676,156 km (0.042 R)
• M8: 3,456,908 km (0.068 R)
• M9: 4,121,721 km (0.083 R)
• M10: 4,738,662 km (0.115 R)
• M11: 5,606,629 km (0.091 R)
• M12: 6,181,234 km (0.115 R)
• M13: 6,523,066 km (0.059 R)
• M14: 6,877,613 km (0.047 R)
• M15: 7,360,365 km (0.1 R)
• M16: 8,111,346 km (0.03 R)
• M17: 11,087,446 km (0.116 R)
• M18: 12,154,528 km (0.105 R)
• M19: 12,692,033 km (0.101 R)
• M20: 13,073,508 km (0.107 R)
• M21: 13,418,929 km (0.036 R)
• M22: 14,676,000 km (0.088 R)
• M23: 16,206,835 km (0.037 R)
• M24: 16,706,342 km (0.086 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.4

Radius: 11.4

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.59 AU - 5.67 AU

Year: 6757 Days

Day: 10.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,949,032 km

• M1: 142,866 km (0.085 R)
• M2: 790,924 km (0.097 R)
• M3: 1,239,119 km (0.051 R)
• M4: 1,917,097 km (0.079 R)
• M5: 2,341,506 km (0.07 R)
• M6: 3,183,443 km (0.107 R)
• M7: 3,983,492 km (0.061 R)
• M8: 4,710,388 km (0.094 R)
• M9: 5,587,630 km (0.086 R)
• M10: 7,664,946 km (0.119 R)
• M11: 8,069,309 km (0.074 R)
• M12: 9,053,813 km (0.095 R)
• M13: 9,598,349 km (0.103 R)
• M14: 10,021,113 km (0.108 R)
• M15: 10,653,463 km (0.09 R)
• M16: 12,052,203 km (0.096 R)
• M17: 13,337,249 km (0.097 R)
• M18: 16,376,479 km (0.063 R)
• M19: 17,461,363 km (0.097 R)
• M20: 18,957,341 km (0.095 R)
• M21: 20,077,081 km (0.082 R)
• M22: 21,319,342 km (0.112 R)
• M23: 23,785,912 km (0.052 R)
• M24: 26,897,248 km (0.103 R)
• M25: 27,269,149 km (0.068 R)
• M26: 39,615,311 km (0.09 R)
• M27: 39,976,291 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 949.3

Radius: 3.5

Gravity: 77.49 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 6.1 AU - 6.94 AU

Year: 11292 Days

Day: 24.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 57,949,032 km

• M1: 43,832 km (0.069 R)
• M2: 223,798 km (0.045 R)
• M3: 338,241 km (0.1 R)
• M4: 459,864 km (0.089 R)
• M5: 884,722 km (0.117 R)
• M6: 1,121,086 km (0.069 R)
• M7: 1,606,980 km (0.085 R)
• M8: 2,049,790 km (0.111 R)
• M9: 2,240,079 km (0.046 R)
• M10: 2,442,036 km (0.109 R)
• M11: 3,452,120 km (0.059 R)
• M12: 3,890,143 km (0.051 R)
• M13: 4,242,296 km (0.09 R)
• M14: 5,426,364 km (0.114 R)
• M15: 6,210,256 km (0.077 R)
• M16: 6,814,482 km (0.097 R)
• M17: 7,769,964 km (0.067 R)
• M18: 8,518,701 km (0.074 R)
• M19: 9,520,708 km (0.101 R)
• M20: 9,889,317 km (0.059 R)
• M21: 13,910,956 km (0.094 R)
• M22: 15,152,020 km (0.072 R)
• M23: 17,381,477 km (0.062 R)
• M24: 17,931,399 km (0.079 R)
• M25: 18,170,606 km (0.106 R)
• M26: 18,574,072 km (0.107 R)
• M27: 20,681,158 km (0.081 R)
• M28: 21,387,559 km (0.119 R)
• M29: 21,656,685 km (0.11 R)
• M30: 24,766,675 km (0.1 R)
• M31: 26,273,874 km (0.078 R)
• M32: 26,479,272 km (0.109 R)
• M33: 27,841,061 km (0.076 R)
• M34: 33,393,087 km (0.077 R)
• M35: 33,513,513 km (0.108 R)
• M36: 33,634,089 km (0.041 R)
• M37: 34,119,834 km (0.114 R)
• M38: 34,610,066 km (0.093 R)
• M39: 36,109,186 km (0.115 R)
• M40: 37,520,792 km (0.1 R)
• M41: 37,912,140 km (0.088 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 13,005 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit