🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.4

Radius: 9

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.64 AU - 0.66 AU

Year: 362 Days

Day: 13 Hours

Environment

Temp: -152 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,361,492 km

• M1: 111,899 km (0.078 R)
• M2: 417,528 km (0.111 R)
• M3: 882,627 km (0.113 R)
• M4: 1,180,477 km (0.109 R)
• M5: 1,592,320 km (0.108 R)
• M6: 1,926,222 km (0.056 R)
• M7: 2,796,134 km (0.106 R)
• M8: 3,535,297 km (0.095 R)
• M9: 4,007,428 km (0.114 R)
• M10: 4,398,925 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.3

Radius: 8.5

Gravity: 12.89 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.02 AU - 1.66 AU

Year: 1071 Days

Day: 12.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 52.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,361,492 km

• M1: 105,766 km (0.088 R)
• M2: 466,147 km (0.056 R)
• M3: 793,617 km (0.095 R)
• M4: 1,245,851 km (0.116 R)
• M5: 1,510,490 km (0.077 R)
• M6: 1,832,873 km (0.093 R)
• M7: 2,409,274 km (0.061 R)
• M8: 2,746,767 km (0.099 R)
• M9: 4,335,346 km (0.106 R)
• M10: 4,628,109 km (0.067 R)
• M11: 4,953,784 km (0.119 R)
• M12: 5,335,857 km (0.119 R)
• M13: 5,802,752 km (0.091 R)
• M14: 6,891,376 km (0.111 R)
• M15: 8,083,371 km (0.115 R)
• M16: 8,872,949 km (0.047 R)
• M17: 11,551,200 km (0.034 R)
• M18: 11,866,701 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.6

Radius: 9.6

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.2 AU - 1.96 AU

Year: 1371 Days

Day: 9.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,361,492 km

• M1: 119,379 km (0.082 R)
• M2: 451,786 km (0.091 R)
• M3: 766,240 km (0.115 R)
• M4: 1,262,307 km (0.088 R)
• M5: 1,877,304 km (0.104 R)
• M6: 2,346,143 km (0.052 R)
• M7: 2,656,709 km (0.112 R)
• M8: 3,195,261 km (0.084 R)
• M9: 3,593,490 km (0.106 R)
• M10: 4,700,515 km (0.097 R)
• M11: 5,028,433 km (0.038 R)
• M12: 7,020,927 km (0.087 R)
• M13: 8,362,970 km (0.062 R)
• M14: 9,319,648 km (0.088 R)
• M15: 9,868,523 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.2

Radius: 10.1

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.66 AU - 2.66 AU

Year: 2191 Days

Day: 5.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,361,492 km

• M1: 130,898 km (0.079 R)
• M2: 475,123 km (0.091 R)
• M3: 1,023,399 km (0.094 R)
• M4: 1,480,720 km (0.105 R)
• M5: 2,023,311 km (0.087 R)
• M6: 2,635,316 km (0.068 R)
• M7: 3,632,535 km (0.099 R)
• M8: 5,113,255 km (0.057 R)
• M9: 6,354,918 km (0.11 R)
• M10: 6,764,068 km (0.045 R)
• M11: 8,678,023 km (0.053 R)
• M12: 10,397,800 km (0.092 R)
• M13: 13,102,230 km (0.094 R)
• M14: 13,542,646 km (0.112 R)
• M15: 14,639,797 km (0.099 R)
• M16: 16,752,418 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.6

Radius: 8.1

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.39 AU - 4.69 AU

Year: 6677 Days

Day: 7.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,361,492 km

• M1: 101,727 km (0.078 R)
• M2: 720,314 km (0.069 R)
• M3: 1,035,217 km (0.089 R)
• M4: 1,941,780 km (0.09 R)
• M5: 2,256,085 km (0.109 R)
• M6: 3,667,541 km (0.101 R)
• M7: 4,560,042 km (0.064 R)
• M8: 7,522,379 km (0.066 R)
• M9: 8,565,076 km (0.111 R)
• M10: 9,797,464 km (0.097 R)
• M11: 11,570,947 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.2

Radius: 3.9

Gravity: 21.38 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.24 AU - 7 AU

Year: 9196 Days

Day: 18.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 35,361,492 km

• M1: 48,619 km (0.074 R)
• M2: 170,093 km (0.074 R)
• M3: 394,639 km (0.063 R)
• M4: 1,090,419 km (0.036 R)
• M5: 1,283,251 km (0.074 R)
• M6: 1,588,580 km (0.119 R)
• M7: 1,709,904 km (0.095 R)
• M8: 2,032,437 km (0.049 R)
• M9: 2,258,030 km (0.117 R)
• M10: 2,935,260 km (0.097 R)
• M11: 5,859,898 km (0.056 R)
• M12: 7,118,166 km (0.114 R)
• M13: 8,302,682 km (0.082 R)
• M14: 8,669,795 km (0.097 R)
• M15: 9,612,710 km (0.106 R)
• M16: 9,746,301 km (0.071 R)
• M17: 12,956,372 km (0.106 R)
• M18: 15,982,289 km (0.104 R)
• M19: 19,094,672 km (0.119 R)
• M20: 20,313,147 km (0.111 R)
• M21: 20,459,753 km (0.117 R)
• M22: 20,681,008 km (0.063 R)
• M23: 24,113,382 km (0.103 R)
• M24: 26,136,394 km (0.101 R)
• M25: 27,278,125 km (0.108 R)
• M26: 28,452,767 km (0.076 R)
• M27: 33,488,680 km (0.108 R)
• M28: 33,693,480 km (0.097 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 19,197 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit