🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.9

Radius: 13

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.56 AU - 0.58 AU

Year: 287 Days

Day: 8.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,669,187 km

• M1: 161,715 km (0.108 R)
• M2: 673,938 km (0.091 R)
• M3: 1,079,648 km (0.036 R)
• M4: 1,534,425 km (0.086 R)
• M5: 2,030,492 km (0.082 R)
• M6: 2,530,598 km (0.081 R)
• M7: 3,260,037 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.7

Radius: 10.3

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.58 AU - 0.88 AU

Year: 416 Days

Day: 7.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,669,187 km

• M1: 128,056 km (0.052 R)
• M2: 454,927 km (0.09 R)
• M3: 891,005 km (0.093 R)
• M4: 1,254,378 km (0.079 R)
• M5: 1,579,754 km (0.093 R)
• M6: 1,962,425 km (0.067 R)
• M7: 2,645,339 km (0.101 R)
• M8: 3,426,539 km (0.053 R)
• M9: 4,075,644 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.4

Radius: 14.6

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.7 AU - 1.14 AU

Year: 588 Days

Day: 10.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,669,187 km

• M1: 182,210 km (0.107 R)
• M2: 823,387 km (0.09 R)
• M3: 1,428,061 km (0.088 R)
• M4: 1,967,810 km (0.067 R)
• M5: 3,087,251 km (0.083 R)
• M6: 3,892,088 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.4

Radius: 11.8

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.11 AU - 1.57 AU

Year: 1034 Days

Day: 10.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,669,187 km

• M1: 147,952 km (0.066 R)
• M2: 534,064 km (0.075 R)
• M3: 980,764 km (0.082 R)
• M4: 1,664,576 km (0.101 R)
• M5: 2,109,779 km (0.066 R)
• M6: 2,481,081 km (0.094 R)
• M7: 3,415,768 km (0.094 R)
• M8: 3,822,076 km (0.047 R)
• M9: 4,294,656 km (0.099 R)
• M10: 4,678,823 km (0.043 R)
• M11: 5,496,974 km (0.084 R)
• M12: 5,887,873 km (0.063 R)
• M13: 6,363,594 km (0.117 R)
• M14: 7,392,678 km (0.12 R)
• M15: 8,394,535 km (0.1 R)
• M16: 9,779,213 km (0.098 R)
• M17: 10,448,065 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.6

Radius: 13.2

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.34 AU - 1.62 AU

Year: 1201 Days

Day: 11.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,669,187 km

• M1: 170,242 km (0.071 R)
• M2: 649,704 km (0.112 R)
• M3: 1,327,232 km (0.114 R)
• M4: 1,953,898 km (0.116 R)
• M5: 2,382,196 km (0.082 R)
• M6: 3,595,585 km (0.11 R)
• M7: 4,540,146 km (0.106 R)
• M8: 5,501,910 km (0.096 R)
• M9: 5,956,688 km (0.031 R)
• M10: 6,617,761 km (0.083 R)
• M11: 7,351,688 km (0.119 R)
• M12: 8,112,992 km (0.033 R)
• M13: 10,401,839 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.3

Radius: 10.1

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.45 AU - 2.47 AU

Year: 2573 Days

Day: 15 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,669,187 km

• M1: 135,236 km (0.093 R)
• M2: 453,880 km (0.091 R)
• M3: 775,216 km (0.052 R)
• M4: 2,100,354 km (0.027 R)
• M5: 2,697,998 km (0.073 R)
• M6: 4,638,731 km (0.1 R)
• M7: 4,956,477 km (0.119 R)
• M8: 5,460,472 km (0.107 R)
• M9: 6,204,272 km (0.111 R)
• M10: 6,730,109 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.4

Radius: 11.1

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.04 AU - 3.12 AU

Year: 3605 Days

Day: 5 Hours

Environment

Temp: -219 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,669,187 km

• M1: 138,079 km (0.114 R)
• M2: 550,371 km (0.108 R)
• M3: 1,001,408 km (0.103 R)
• M4: 1,557,912 km (0.081 R)
• M5: 1,982,621 km (0.11 R)
• M6: 2,328,640 km (0.112 R)
• M7: 3,201,843 km (0.111 R)
• M8: 3,558,036 km (0.094 R)
• M9: 4,007,428 km (0.089 R)
• M10: 5,125,373 km (0.1 R)
• M11: 7,044,713 km (0.062 R)
• M12: 7,479,744 km (0.119 R)
• M13: 10,265,406 km (0.111 R)
• M14: 14,517,426 km (0.09 R)
• M15: 15,501,331 km (0.116 R)
• M16: 18,154,898 km (0.091 R)
• M17: 20,824,024 km (0.075 R)
• M18: 21,652,197 km (0.095 R)
• M19: 22,790,637 km (0.083 R)
• M20: 23,154,459 km (0.104 R)
• M21: 24,572,348 km (0.053 R)

Asteroid Belt

Center: 4.43 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.4

Radius: 7.9

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.06 AU - 6.5 AU

Year: 9267 Days

Day: 19.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,669,187 km

• M1: 100,679 km (0.086 R)
• M2: 369,507 km (0.104 R)
• M3: 630,854 km (0.115 R)
• M4: 1,047,484 km (0.12 R)
• M5: 1,309,430 km (0.109 R)
• M6: 1,786,199 km (0.081 R)
• M7: 2,886,042 km (0.112 R)
• M8: 4,017,451 km (0.118 R)
• M9: 4,501,101 km (0.114 R)
• M10: 4,844,727 km (0.059 R)
• M11: 12,568,465 km (0.078 R)
• M12: 13,601,738 km (0.071 R)
• M13: 17,040,544 km (0.11 R)
• M14: 20,615,335 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 976.1

Radius: 4.5

Gravity: 48.2 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 7.75 AU - 8.41 AU

Year: 15316 Days

Day: 19 Hours

Environment

Temp: -238 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,669,187 km

• M1: 56,249 km (0.084 R)
• M2: 209,736 km (0.119 R)
• M3: 371,900 km (0.102 R)
• M4: 637,437 km (0.058 R)
• M5: 787,782 km (0.063 R)
• M6: 1,083,537 km (0.074 R)
• M7: 1,388,717 km (0.055 R)
• M8: 1,611,169 km (0.086 R)
• M9: 3,538,289 km (0.081 R)
• M10: 4,402,815 km (0.046 R)
• M11: 6,495,091 km (0.101 R)
• M12: 6,935,956 km (0.073 R)
• M13: 9,061,442 km (0.101 R)
• M14: 11,083,706 km (0.099 R)
• M15: 11,970,672 km (0.051 R)
• M16: 15,217,095 km (0.103 R)
• M17: 16,713,822 km (0.099 R)
• M18: 17,289,176 km (0.096 R)
• M19: 22,772,685 km (0.026 R)
• M20: 26,013,424 km (0.104 R)
• M21: 26,674,198 km (0.109 R)
• M22: 27,008,848 km (0.094 R)
• M23: 31,244,862 km (0.093 R)
• M24: 36,038,725 km (0.09 R)
• M25: 37,973,325 km (0.072 R)
• M26: 39,685,772 km (0.073 R)
• M27: 41,151,681 km (0.076 R)
• M28: 43,263,854 km (0.071 R)
• M29: 49,191,819 km (0.105 R)
• M30: 51,396,742 km (0.071 R)
• M31: 52,436,148 km (0.086 R)
• M32: 56,918,549 km (0.098 R)
• M33: 59,157,880 km (0.113 R)
• M34: 60,875,562 km (0.113 R)
• M35: 64,409,962 km (0.047 R)
• M36: 71,026,526 km (0.104 R)
• M37: 71,669,198 km (0.065 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: 422 - 12,647 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit