🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.1

Radius: 9.1

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.76 AU - 0.8 AU

Year: 445 Days

Day: 13.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,157,087 km

• M1: 113,096 km (0.077 R)
• M2: 403,914 km (0.111 R)
• M3: 802,293 km (0.085 R)
• M4: 1,137,991 km (0.086 R)
• M5: 1,484,160 km (0.042 R)
• M6: 2,229,008 km (0.073 R)
• M7: 2,529,999 km (0.103 R)
• M8: 3,325,561 km (0.113 R)
• M9: 3,648,842 km (0.087 R)
• M10: 4,018,648 km (0.05 R)
• M11: 4,804,784 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.8

Radius: 9

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.74 AU - 1.14 AU

Year: 588 Days

Day: 7.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,157,087 km

• M1: 112,348 km (0.07 R)
• M2: 495,169 km (0.111 R)
• M3: 791,822 km (0.082 R)
• M4: 1,222,065 km (0.07 R)
• M5: 2,112,621 km (0.097 R)
• M6: 3,722,145 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.7

Radius: 10.4

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.12 AU - 1.26 AU

Year: 838 Days

Day: 12.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,157,087 km

• M1: 129,402 km (0.108 R)
• M2: 457,620 km (0.088 R)
• M3: 840,441 km (0.066 R)
• M4: 1,267,393 km (0.083 R)
• M5: 1,751,791 km (0.068 R)
• M6: 2,378,307 km (0.104 R)
• M7: 2,838,769 km (0.096 R)
• M8: 3,252,108 km (0.094 R)
• M9: 3,634,031 km (0.083 R)
• M10: 4,091,951 km (0.088 R)
• M11: 4,505,289 km (0.042 R)
• M12: 4,999,411 km (0.116 R)
• M13: 5,491,439 km (0.116 R)
• M14: 6,341,903 km (0.08 R)
• M15: 7,484,830 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.7

Radius: 10.5

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.2 AU - 1.88 AU

Year: 1234 Days

Day: 11.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,157,087 km

• M1: 130,749 km (0.115 R)
• M2: 482,603 km (0.119 R)
• M3: 887,714 km (0.108 R)
• M4: 1,384,528 km (0.086 R)
• M5: 2,147,029 km (0.114 R)
• M6: 2,537,030 km (0.114 R)
• M7: 3,886,104 km (0.075 R)
• M8: 4,802,241 km (0.071 R)
• M9: 5,684,869 km (0.117 R)
• M10: 6,300,614 km (0.074 R)
• M11: 6,743,423 km (0.051 R)
• M12: 7,256,843 km (0.073 R)
• M13: 8,445,249 km (0.056 R)
• M14: 9,042,294 km (0.116 R)
• M15: 10,131,217 km (0.071 R)
• M16: 10,545,154 km (0.1 R)
• M17: 11,543,720 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.4

Radius: 13.3

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.43 AU - 2.01 AU

Year: 1456 Days

Day: 6.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,157,087 km

• M1: 165,455 km (0.06 R)
• M2: 645,216 km (0.052 R)
• M3: 1,085,033 km (0.116 R)
• M4: 1,610,271 km (0.061 R)
• M5: 2,415,557 km (0.087 R)
• M6: 3,427,138 km (0.083 R)
• M7: 4,039,292 km (0.078 R)
• M8: 4,906,511 km (0.082 R)
• M9: 6,107,183 km (0.082 R)
• M10: 8,441,359 km (0.082 R)
• M11: 9,337,301 km (0.116 R)
• M12: 10,159,640 km (0.084 R)
• M13: 10,640,897 km (0.119 R)
• M14: 11,428,081 km (0.105 R)
• M15: 12,062,675 km (0.074 R)
• M16: 12,524,633 km (0.051 R)
• M17: 13,982,015 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.9

Radius: 10.1

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.39 AU - 3.79 AU

Year: 3507 Days

Day: 10.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,157,087 km

• M1: 125,662 km (0.107 R)
• M2: 509,680 km (0.099 R)
• M3: 957,127 km (0.119 R)
• M4: 1,611,618 km (0.092 R)
• M5: 2,460,586 km (0.118 R)
• M6: 2,797,779 km (0.111 R)
• M7: 4,289,420 km (0.112 R)
• M8: 5,040,999 km (0.084 R)
• M9: 5,756,376 km (0.046 R)
• M10: 7,303,518 km (0.096 R)
• M11: 8,006,328 km (0.096 R)
• M12: 8,657,528 km (0.11 R)
• M13: 9,580,248 km (0.114 R)
• M14: 10,171,758 km (0.104 R)
• M15: 10,530,942 km (0.056 R)
• M16: 11,198,897 km (0.057 R)
• M17: 13,673,993 km (0.114 R)
• M18: 14,067,735 km (0.079 R)
• M19: 14,969,810 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.6

Radius: 10.5

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.92 AU - 5.88 AU

Year: 8102 Days

Day: 9.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,157,087 km

• M1: 130,749 km (0.096 R)
• M2: 529,128 km (0.105 R)
• M3: 883,525 km (0.111 R)
• M4: 1,255,725 km (0.073 R)
• M5: 2,131,171 km (0.109 R)
• M6: 2,664,039 km (0.037 R)
• M7: 3,180,152 km (0.095 R)
• M8: 4,327,866 km (0.089 R)
• M9: 5,043,393 km (0.113 R)
• M10: 10,499,975 km (0.052 R)
• M11: 12,170,684 km (0.115 R)
• M12: 14,584,446 km (0.091 R)
• M13: 15,929,331 km (0.073 R)
• M14: 19,503,523 km (0.073 R)
• M15: 20,157,116 km (0.114 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 16,172 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit