🌌 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: 920

Radius: 12.5

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.55 AU - 0.85 AU

Year: 397 Days

Day: 7.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,275,769 km

• M1: 155,432 km (0.114 R)
• M2: 563,086 km (0.102 R)
• M3: 980,016 km (0.051 R)
• M4: 1,558,211 km (0.12 R)
• M5: 2,144,186 km (0.112 R)
• M6: 3,159,507 km (0.114 R)
• M7: 5,961,026 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.3

Radius: 11

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.69 AU - 0.93 AU

Year: 494 Days

Day: 12.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,275,769 km

• M1: 136,732 km (0.085 R)
• M2: 532,868 km (0.119 R)
• M3: 980,614 km (0.057 R)
• M4: 1,354,758 km (0.076 R)
• M5: 1,920,687 km (0.102 R)
• M6: 2,344,348 km (0.053 R)
• M7: 3,208,725 km (0.119 R)
• M8: 3,968,682 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.8

Radius: 9.6

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.08 AU - 1.74 AU

Year: 1136 Days

Day: 13.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,275,769 km

• M1: 119,379 km (0.104 R)
• M2: 484,847 km (0.087 R)
• M3: 1,001,707 km (0.114 R)
• M4: 1,406,370 km (0.106 R)
• M5: 2,088,536 km (0.096 R)
• M6: 2,672,566 km (0.07 R)
• M7: 3,507,322 km (0.098 R)
• M8: 3,873,837 km (0.036 R)
• M9: 4,215,518 km (0.07 R)
• M10: 4,775,014 km (0.099 R)
• M11: 5,583,441 km (0.117 R)
• M12: 5,999,323 km (0.057 R)
• M13: 6,548,198 km (0.081 R)
• M14: 7,446,234 km (0.115 R)
• M15: 7,771,609 km (0.049 R)
• M16: 8,586,170 km (0.059 R)
• M17: 9,690,501 km (0.101 R)
• M18: 10,078,857 km (0.084 R)
• M19: 10,477,536 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.6

Radius: 13.7

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.48 AU - 1.58 AU

Year: 1284 Days

Day: 13.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,275,769 km

• M1: 171,589 km (0.067 R)
• M2: 813,064 km (0.107 R)
• M3: 1,604,736 km (0.099 R)
• M4: 2,884,696 km (0.058 R)
• M5: 4,880,631 km (0.113 R)
• M6: 5,311,622 km (0.077 R)
• M7: 6,110,475 km (0.071 R)
• M8: 7,167,982 km (0.098 R)
• M9: 7,645,498 km (0.039 R)
• M10: 8,144,407 km (0.115 R)
• M11: 8,993,824 km (0.066 R)
• M12: 10,461,678 km (0.095 R)
• M13: 11,112,429 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.3

Radius: 8

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.12 AU - 2.26 AU

Year: 2198 Days

Day: 8 Hours

Environment

Temp: -199 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,275,769 km

• M1: 99,483 km (0.063 R)
• M2: 409,449 km (0.12 R)
• M3: 660,475 km (0.066 R)
• M4: 1,047,783 km (0.049 R)
• M5: 1,298,958 km (0.094 R)
• M6: 1,688,062 km (0.094 R)
• M7: 2,176,948 km (0.07 R)
• M8: 2,813,188 km (0.104 R)
• M9: 3,567,760 km (0.079 R)
• M10: 4,354,345 km (0.102 R)
• M11: 4,850,262 km (0.086 R)
• M12: 5,652,556 km (0.071 R)
• M13: 6,641,697 km (0.104 R)
• M14: 9,499,315 km (0.088 R)
• M15: 9,860,295 km (0.053 R)
• M16: 10,575,073 km (0.104 R)
• M17: 12,222,445 km (0.059 R)
• M18: 13,575,708 km (0.094 R)
• M19: 13,992,038 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.5

Radius: 10.4

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.61 AU - 5.55 AU

Year: 6648 Days

Day: 11.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 36,275,769 km

• M1: 129,552 km (0.08 R)
• M2: 461,360 km (0.082 R)
• M3: 847,771 km (0.097 R)
• M4: 1,866,981 km (0.088 R)
• M5: 2,687,077 km (0.093 R)
• M6: 3,289,508 km (0.118 R)
• M7: 3,904,205 km (0.026 R)
• M8: 5,269,735 km (0.096 R)
• M9: 5,648,068 km (0.053 R)
• M10: 6,930,421 km (0.086 R)
• M11: 7,346,751 km (0.048 R)
• M12: 7,819,780 km (0.104 R)
• M13: 8,740,106 km (0.114 R)
• M14: 9,966,360 km (0.098 R)
• M15: 11,355,526 km (0.115 R)
• M16: 12,645,508 km (0.045 R)
• M17: 13,499,861 km (0.08 R)
• M18: 14,636,656 km (0.064 R)
• M19: 17,791,974 km (0.086 R)
• M20: 19,903,548 km (0.115 R)
• M21: 24,705,640 km (0.119 R)
• M22: 26,129,961 km (0.092 R)
• M23: 27,891,625 km (0.081 R)
• M24: 28,368,095 km (0.098 R)
• M25: 29,533,761 km (0.06 R)
• M26: 33,435,872 km (0.117 R)
• M27: 36,408,681 km (0.101 R)
• M28: 36,977,901 km (0.112 R)
• M29: 37,322,275 km (0.106 R)
• M30: 39,076,460 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 166.6

Radius: 3.1

Gravity: 17.34 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 6.45 AU - 8.13 AU

Year: 13350 Days

Day: 22.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 36,275,769 km

• M1: 38,596 km (0.096 R)
• M2: 163,361 km (0.098 R)
• M3: 264,339 km (0.068 R)
• M4: 539,450 km (0.1 R)
• M5: 720,613 km (0.102 R)
• M6: 1,046,587 km (0.103 R)
• M7: 1,400,834 km (0.062 R)
• M8: 1,729,202 km (0.052 R)
• M9: 2,011,343 km (0.071 R)
• M10: 3,274,997 km (0.095 R)
• M11: 3,849,004 km (0.111 R)
• M12: 5,017,064 km (0.108 R)
• M13: 5,808,287 km (0.069 R)
• M14: 6,784,862 km (0.087 R)
• M15: 7,367,994 km (0.099 R)
• M16: 7,865,856 km (0.054 R)
• M17: 13,564,039 km (0.087 R)
• M18: 13,962,418 km (0.067 R)
• M19: 16,008,767 km (0.081 R)
• M20: 16,261,887 km (0.094 R)
• M21: 17,037,402 km (0.063 R)
• M22: 18,384,082 km (0.106 R)
• M23: 20,683,701 km (0.109 R)
• M24: 21,287,179 km (0.117 R)
• M25: 26,720,573 km (0.066 R)
• M26: 28,998,500 km (0.099 R)
• M27: 30,814,020 km (0.075 R)
• M28: 32,199,146 km (0.086 R)
• M29: 32,400,356 km (0.111 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 13,188 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit