🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.7

Radius: 8.4

Gravity: 12.33 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.69 AU - 0.71 AU

Year: 384 Days

Day: 6.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,206,150 km

• M1: 104,569 km (0.078 R)
• M2: 386,710 km (0.11 R)
• M3: 703,409 km (0.086 R)
• M4: 1,219,671 km (0.112 R)
• M5: 1,735,784 km (0.109 R)
• M6: 2,078,662 km (0.11 R)
• M7: 2,381,449 km (0.098 R)
• M8: 2,977,596 km (0.115 R)
• M9: 3,387,943 km (0.102 R)
• M10: 4,252,319 km (0.077 R)
• M11: 4,880,182 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.2

Radius: 8.8

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.93 AU - 1.39 AU

Year: 820 Days

Day: 7.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,206,150 km

• M1: 109,506 km (0.104 R)
• M2: 654,790 km (0.098 R)
• M3: 1,075,609 km (0.07 R)
• M4: 1,655,300 km (0.108 R)
• M5: 2,025,555 km (0.069 R)
• M6: 2,608,837 km (0.112 R)
• M7: 3,236,849 km (0.119 R)
• M8: 5,370,863 km (0.045 R)
• M9: 6,750,604 km (0.088 R)
• M10: 7,478,248 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.3

Radius: 14.2

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.58 AU - 2.03 AU

Year: 1584 Days

Day: 11 Hours

Environment

Temp: -189 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,206,150 km

• M1: 176,525 km (0.097 R)
• M2: 680,371 km (0.059 R)
• M3: 1,197,381 km (0.097 R)
• M4: 1,814,473 km (0.038 R)
• M5: 2,749,758 km (0.071 R)
• M6: 3,521,833 km (0.072 R)
• M7: 3,986,783 km (0.071 R)
• M8: 4,434,679 km (0.114 R)
• M9: 4,916,235 km (0.12 R)
• M10: 6,129,773 km (0.111 R)
• M11: 7,070,743 km (0.091 R)
• M12: 7,960,402 km (0.098 R)
• M13: 9,112,605 km (0.093 R)
• M14: 9,564,241 km (0.088 R)
• M15: 11,374,375 km (0.108 R)
• M16: 12,013,008 km (0.117 R)
• M17: 12,517,452 km (0.045 R)
• M18: 13,076,499 km (0.099 R)
• M19: 14,722,226 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.8

Radius: 11.2

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.45 AU - 2.29 AU

Year: 1678 Days

Day: 12.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,206,150 km

• M1: 139,425 km (0.094 R)
• M2: 647,160 km (0.065 R)
• M3: 1,485,656 km (0.08 R)
• M4: 1,883,288 km (0.097 R)
• M5: 2,242,771 km (0.036 R)
• M6: 2,692,911 km (0.055 R)
• M7: 4,051,858 km (0.082 R)
• M8: 5,543,050 km (0.097 R)
• M9: 6,172,558 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.1

Radius: 11

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.87 AU - 2.37 AU

Year: 2025 Days

Day: 8.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,206,150 km

• M1: 139,724 km (0.118 R)
• M2: 482,453 km (0.087 R)
• M3: 1,105,528 km (0.037 R)
• M4: 1,592,320 km (0.054 R)
• M5: 2,062,805 km (0.115 R)
• M6: 2,577,721 km (0.112 R)
• M7: 4,070,857 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.5

Radius: 9.3

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.18 AU - 3.08 AU

Year: 2798 Days

Day: 13.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 35,206,150 km

• M1: 115,789 km (0.112 R)
• M2: 616,942 km (0.075 R)
• M3: 914,043 km (0.085 R)
• M4: 1,218,774 km (0.086 R)
• M5: 1,603,390 km (0.083 R)
• M6: 2,174,405 km (0.112 R)
• M7: 3,378,668 km (0.12 R)
• M8: 3,739,498 km (0.07 R)
• M9: 4,232,124 km (0.094 R)
• M10: 5,173,394 km (0.089 R)
• M11: 5,550,679 km (0.039 R)
• M12: 5,865,733 km (0.068 R)
• M13: 6,276,229 km (0.12 R)
• M14: 7,817,686 km (0.042 R)
• M15: 8,554,904 km (0.102 R)
• M16: 8,869,658 km (0.107 R)
• M17: 10,923,337 km (0.09 R)
• M18: 11,801,477 km (0.071 R)
• M19: 12,104,413 km (0.08 R)
• M20: 13,044,635 km (0.089 R)
• M21: 14,372,915 km (0.054 R)
• M22: 16,210,425 km (0.077 R)
• M23: 17,687,555 km (0.098 R)
• M24: 18,314,370 km (0.116 R)
• M25: 19,612,430 km (0.069 R)
• M26: 20,283,975 km (0.119 R)
• M27: 20,656,773 km (0.115 R)
• M28: 21,097,339 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.5

Radius: 8.9

Gravity: 11.81 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.21 AU - 4.93 AU

Year: 5386 Days

Day: 12.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,206,150 km

• M1: 114,293 km (0.097 R)
• M2: 431,141 km (0.028 R)
• M3: 1,465,910 km (0.036 R)
• M4: 2,097,961 km (0.116 R)
• M5: 3,394,824 km (0.085 R)
• M6: 4,264,886 km (0.113 R)
• M7: 6,013,685 km (0.11 R)
• M8: 6,993,700 km (0.11 R)
• M9: 7,882,461 km (0.106 R)
• M10: 8,354,143 km (0.059 R)
• M11: 11,243,477 km (0.098 R)
• M12: 15,395,416 km (0.062 R)
• M13: 17,283,042 km (0.076 R)
• M14: 26,210,445 km (0.056 R)
• M15: 27,261,220 km (0.106 R)
• M16: 30,870,717 km (0.03 R)
• M17: 33,041,233 km (0.087 R)
• M18: 34,060,742 km (0.093 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 12,806 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit