🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.6

Radius: 14.2

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.67 AU - 0.93 AU

Year: 485 Days

Day: 8 Hours

Environment

Temp: -158 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,747,432 km

• M1: 176,974 km (0.078 R)
• M2: 841,638 km (0.057 R)
• M3: 1,358,049 km (0.113 R)
• M4: 2,280,919 km (0.058 R)
• M5: 3,236,999 km (0.053 R)
• M6: 3,758,946 km (0.112 R)
• M7: 4,203,700 km (0.06 R)
• M8: 4,669,398 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.1

Radius: 9.8

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.71 AU - 0.97 AU

Year: 522 Days

Day: 7.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,747,432 km

• M1: 124,017 km (0.052 R)
• M2: 493,374 km (0.067 R)
• M3: 1,020,108 km (0.065 R)
• M4: 1,415,794 km (0.031 R)
• M5: 1,782,907 km (0.107 R)
• M6: 2,149,273 km (0.08 R)
• M7: 2,504,568 km (0.108 R)
• M8: 3,409,784 km (0.099 R)
• M9: 3,937,715 km (0.085 R)
• M10: 4,280,145 km (0.074 R)
• M11: 4,673,587 km (0.097 R)
• M12: 5,207,502 km (0.086 R)
• M13: 5,568,182 km (0.089 R)
• M14: 6,731,755 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823

Radius: 9.7

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.43 AU - 2.21 AU

Year: 1665 Days

Day: 5.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 172.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,747,432 km

• M1: 120,576 km (0.094 R)
• M2: 811,120 km (0.102 R)
• M3: 1,380,340 km (0.109 R)
• M4: 1,943,276 km (0.092 R)
• M5: 2,247,708 km (0.111 R)
• M6: 2,694,706 km (0.104 R)
• M7: 3,106,549 km (0.084 R)
• M8: 3,821,029 km (0.108 R)
• M9: 4,682,264 km (0.105 R)
• M10: 5,191,794 km (0.119 R)
• M11: 5,621,140 km (0.042 R)
• M12: 6,172,408 km (0.079 R)
• M13: 7,810,056 km (0.117 R)
• M14: 8,283,683 km (0.094 R)
• M15: 9,256,069 km (0.12 R)
• M16: 9,585,484 km (0.104 R)
• M17: 10,407,973 km (0.08 R)
• M18: 10,728,411 km (0.069 R)
• M19: 11,239,737 km (0.097 R)
• M20: 11,767,369 km (0.088 R)
• M21: 12,469,880 km (0.115 R)
• M22: 13,491,634 km (0.066 R)
• M23: 14,835,022 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.3

Radius: 12.6

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.01 AU - 2.75 AU

Year: 2490 Days

Day: 10.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,747,432 km

• M1: 156,779 km (0.089 R)
• M2: 736,770 km (0.059 R)
• M3: 1,390,961 km (0.101 R)
• M4: 1,903,633 km (0.073 R)
• M5: 2,426,029 km (0.103 R)
• M6: 3,536,344 km (0.1 R)
• M7: 4,248,430 km (0.081 R)
• M8: 6,969,615 km (0.119 R)
• M9: 8,973,030 km (0.104 R)
• M10: 10,145,428 km (0.106 R)
• M11: 10,610,528 km (0.085 R)
• M12: 11,751,511 km (0.032 R)
• M13: 12,571,158 km (0.085 R)
• M14: 13,382,577 km (0.085 R)
• M15: 14,180,532 km (0.1 R)
• M16: 15,820,124 km (0.075 R)
• M17: 16,499,448 km (0.109 R)
• M18: 16,927,298 km (0.099 R)
• M19: 17,860,789 km (0.109 R)
• M20: 20,559,086 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.1

Radius: 12.3

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.53 AU - 4.65 AU

Year: 5610 Days

Day: 8.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,747,432 km

• M1: 157,826 km (0.117 R)
• M2: 594,203 km (0.064 R)
• M3: 3,354,583 km (0.053 R)
• M4: 4,033,607 km (0.057 R)
• M5: 7,118,914 km (0.049 R)
• M6: 15,331,089 km (0.085 R)
• M7: 15,876,074 km (0.108 R)
• M8: 21,982,510 km (0.086 R)
• M9: 25,259,900 km (0.096 R)
• M10: 26,191,745 km (0.095 R)
• M11: 28,034,192 km (0.119 R)
• M12: 29,495,015 km (0.079 R)
• M13: 32,966,284 km (0.037 R)
• M14: 33,671,638 km (0.099 R)

Asteroid Belt

Center: 5.82 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.4

Radius: 4.3

Gravity: 11.54 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.81 AU - 9.27 AU

Year: 14043 Days

Day: 16.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,747,432 km

• M1: 53,556 km (0.068 R)
• M2: 260,599 km (0.107 R)
• M3: 819,348 km (0.087 R)
• M4: 1,141,282 km (0.072 R)
• M5: 1,952,103 km (0.046 R)
• M6: 2,697,100 km (0.079 R)
• M7: 7,669,284 km (0.111 R)
• M8: 8,625,514 km (0.116 R)
• M9: 10,036,222 km (0.032 R)
• M10: 11,075,030 km (0.1 R)
• M11: 13,363,727 km (0.053 R)
• M12: 14,373,513 km (0.087 R)
• M13: 16,343,867 km (0.108 R)
• M14: 16,543,580 km (0.06 R)
• M15: 17,290,073 km (0.117 R)
• M16: 19,142,843 km (0.119 R)
• M17: 24,781,037 km (0.096 R)
• M18: 31,227,508 km (0.104 R)
• M19: 40,140,101 km (0.092 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 16,485 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit