🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.7

Radius: 8.4

Gravity: 13.67 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.67 AU - 0.97 AU

Year: 479 Days

Day: 13.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,214,777 km

• M1: 104,868 km (0.1 R)
• M2: 425,008 km (0.029 R)
• M3: 825,182 km (0.087 R)
• M4: 1,364,482 km (0.067 R)
• M5: 2,647,434 km (0.066 R)
• M6: 3,075,433 km (0.075 R)
• M7: 3,483,985 km (0.117 R)
• M8: 3,914,378 km (0.077 R)
• M9: 4,245,288 km (0.099 R)
• M10: 5,029,630 km (0.081 R)
• M11: 5,299,953 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.7

Radius: 14.7

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.89 AU - 1.45 AU

Year: 817 Days

Day: 13.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 74,214,777 km

• M1: 183,856 km (0.09 R)
• M2: 1,013,077 km (0.042 R)
• M3: 1,785,750 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.7

Radius: 9.6

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.3 AU - 1.7 AU

Year: 1186 Days

Day: 10.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,214,777 km

• M1: 119,977 km (0.086 R)
• M2: 529,576 km (0.064 R)
• M3: 1,205,310 km (0.065 R)
• M4: 1,921,884 km (0.1 R)
• M5: 2,417,053 km (0.105 R)
• M6: 2,740,783 km (0.115 R)
• M7: 3,476,505 km (0.084 R)
• M8: 4,041,985 km (0.112 R)
• M9: 4,724,450 km (0.114 R)
• M10: 5,254,476 km (0.07 R)
• M11: 5,587,032 km (0.075 R)
• M12: 5,911,509 km (0.03 R)
• M13: 6,457,093 km (0.093 R)
• M14: 6,986,221 km (0.057 R)
• M15: 7,941,403 km (0.107 R)
• M16: 8,777,805 km (0.114 R)
• M17: 9,187,703 km (0.062 R)
• M18: 9,857,602 km (0.064 R)
• M19: 11,780,234 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.8

Radius: 11.1

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.47 AU - 1.89 AU

Year: 1406 Days

Day: 6.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,214,777 km

• M1: 138,228 km (0.08 R)
• M2: 495,319 km (0.05 R)
• M3: 1,031,328 km (0.077 R)
• M4: 1,663,080 km (0.119 R)
• M5: 2,033,783 km (0.116 R)
• M6: 3,314,191 km (0.056 R)
• M7: 3,698,359 km (0.046 R)
• M8: 4,224,644 km (0.096 R)
• M9: 5,313,268 km (0.106 R)
• M10: 5,821,900 km (0.098 R)
• M11: 6,982,780 km (0.11 R)
• M12: 7,740,044 km (0.086 R)
• M13: 8,189,586 km (0.098 R)
• M14: 8,842,730 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.3

Radius: 12.5

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.59 AU - 5.01 AU

Year: 5757 Days

Day: 9.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,214,777 km

• M1: 155,582 km (0.116 R)
• M2: 837,299 km (0.081 R)
• M3: 2,123,991 km (0.074 R)
• M4: 2,645,040 km (0.053 R)
• M5: 3,764,481 km (0.095 R)
• M6: 4,407,004 km (0.119 R)
• M7: 10,995,593 km (0.108 R)
• M8: 11,811,799 km (0.09 R)
• M9: 12,927,650 km (0.097 R)
• M10: 14,903,389 km (0.079 R)
• M11: 15,309,846 km (0.12 R)
• M12: 17,711,490 km (0.094 R)
• M13: 29,208,087 km (0.037 R)
• M14: 31,242,917 km (0.112 R)
• M15: 32,391,829 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.3

Radius: 14.1

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 5.91 AU - 6.05 AU

Year: 9442 Days

Day: 11.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,214,777 km

• M1: 175,329 km (0.114 R)
• M2: 655,987 km (0.099 R)
• M3: 1,166,115 km (0.042 R)
• M4: 1,616,854 km (0.116 R)
• M5: 2,265,211 km (0.054 R)
• M6: 3,741,144 km (0.107 R)
• M7: 4,465,197 km (0.099 R)
• M8: 5,166,961 km (0.093 R)
• M9: 6,035,376 km (0.069 R)
• M10: 6,689,568 km (0.045 R)
• M11: 7,573,542 km (0.078 R)
• M12: 8,414,581 km (0.104 R)
• M13: 11,170,623 km (0.104 R)
• M14: 11,856,529 km (0.079 R)
• M15: 12,466,739 km (0.06 R)
• M16: 15,777,639 km (0.049 R)
• M17: 18,330,676 km (0.041 R)
• M18: 20,131,086 km (0.075 R)
• M19: 20,708,085 km (0.041 R)
• M20: 22,582,696 km (0.078 R)
• M21: 23,601,009 km (0.086 R)
• M22: 25,813,711 km (0.073 R)
• M23: 26,495,129 km (0.064 R)
• M24: 27,451,508 km (0.116 R)
• M25: 32,287,559 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 581.5

Radius: 3

Gravity: 64.61 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 7.84 AU - 12.48 AU

Year: 20910 Days

Day: 20 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,214,777 km

• M1: 37,848 km (0.049 R)
• M2: 364,570 km (0.067 R)
• M3: 578,944 km (0.111 R)
• M4: 774,468 km (0.087 R)
• M5: 1,631,066 km (0.104 R)
• M6: 1,903,184 km (0.101 R)
• M7: 2,703,084 km (0.075 R)
• M8: 3,556,091 km (0.062 R)
• M9: 4,237,509 km (0.112 R)
• M10: 4,713,829 km (0.087 R)
• M11: 6,017,574 km (0.025 R)
• M12: 6,707,071 km (0.095 R)
• M13: 7,495,452 km (0.1 R)
• M14: 8,037,295 km (0.026 R)
• M15: 9,253,975 km (0.077 R)
• M16: 14,212,845 km (0.06 R)
• M17: 14,735,989 km (0.115 R)
• M18: 18,321,401 km (0.049 R)
• M19: 21,363,025 km (0.08 R)
• M20: 24,724,489 km (0.06 R)
• M21: 25,046,573 km (0.05 R)
• M22: 32,471,115 km (0.032 R)
• M23: 34,432,344 km (0.098 R)
• M24: 35,646,031 km (0.052 R)
• M25: 36,609,741 km (0.11 R)
• M26: 37,590,504 km (0.093 R)
• M27: 39,021,857 km (0.098 R)
• M28: 40,637,813 km (0.099 R)
• M29: 41,236,354 km (0.08 R)
• M30: 42,758,363 km (0.099 R)
• M31: 45,752,564 km (0.116 R)
• M32: 52,506,609 km (0.089 R)
• M33: 62,835,294 km (0.096 R)
• M34: 65,459,839 km (0.071 R)
• M35: 73,549,195 km (0.097 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: 148 - 11,440 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit