🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.44 AU - 0.7 AU

Year: 282 Days

Day: 29.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 44 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.2

Radius: 12

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.84 AU - 1.08 AU

Year: 617 Days

Day: 8.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,308,417 km

• M1: 150,047 km (0.039 R)
• M2: 619,784 km (0.108 R)
• M3: 1,198,279 km (0.053 R)
• M4: 1,630,916 km (0.053 R)
• M5: 2,318,169 km (0.087 R)
• M6: 2,811,393 km (0.113 R)
• M7: 3,411,879 km (0.082 R)
• M8: 4,153,884 km (0.057 R)
• M9: 4,602,378 km (0.084 R)
• M10: 5,301,749 km (0.041 R)
• M11: 6,259,923 km (0.075 R)
• M12: 6,730,259 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.5

Radius: 9.2

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.82 AU - 2.36 AU

Year: 1982 Days

Day: 11.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,308,417 km

• M1: 114,592 km (0.111 R)
• M2: 436,527 km (0.101 R)
• M3: 1,111,811 km (0.118 R)
• M4: 1,419,235 km (0.074 R)
• M5: 1,731,147 km (0.112 R)
• M6: 2,971,911 km (0.114 R)
• M7: 3,934,424 km (0.119 R)
• M8: 4,518,155 km (0.087 R)
• M9: 4,895,441 km (0.099 R)
• M10: 5,362,186 km (0.039 R)
• M11: 6,806,554 km (0.057 R)
• M12: 7,331,792 km (0.115 R)
• M13: 8,003,486 km (0.113 R)
• M14: 8,843,628 km (0.104 R)
• M15: 9,775,772 km (0.106 R)
• M16: 10,194,646 km (0.063 R)
• M17: 11,143,695 km (0.03 R)
• M18: 12,350,800 km (0.07 R)
• M19: 13,428,653 km (0.091 R)
• M20: 14,931,214 km (0.117 R)
• M21: 15,300,571 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.6

Radius: 14.8

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.12 AU - 2.9 AU

Year: 2609 Days

Day: 12.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,308,417 km

• M1: 185,950 km (0.08 R)
• M2: 773,421 km (0.035 R)
• M3: 2,278,076 km (0.096 R)
• M4: 3,036,388 km (0.111 R)
• M5: 5,014,221 km (0.111 R)
• M6: 7,072,389 km (0.045 R)
• M7: 9,829,029 km (0.115 R)
• M8: 14,259,220 km (0.1 R)
• M9: 15,232,953 km (0.101 R)
• M10: 16,146,697 km (0.073 R)
• M11: 19,283,315 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.4

Radius: 13.7

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.15 AU - 2.97 AU

Year: 2687 Days

Day: 13.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,308,417 km

• M1: 170,392 km (0.034 R)
• M2: 681,418 km (0.104 R)
• M3: 1,425,518 km (0.065 R)
• M4: 2,372,173 km (0.11 R)
• M5: 2,858,217 km (0.048 R)
• M6: 3,305,215 km (0.107 R)
• M7: 4,034,804 km (0.087 R)
• M8: 4,667,154 km (0.112 R)
• M9: 5,637,745 km (0.061 R)
• M10: 6,238,979 km (0.109 R)
• M11: 7,116,820 km (0.112 R)
• M12: 8,172,681 km (0.11 R)
• M13: 8,772,569 km (0.101 R)
• M14: 10,060,906 km (0.064 R)
• M15: 11,844,411 km (0.081 R)
• M16: 12,745,290 km (0.105 R)
• M17: 13,190,044 km (0.115 R)
• M18: 14,683,779 km (0.109 R)
• M19: 15,172,964 km (0.059 R)
• M20: 16,235,707 km (0.112 R)
• M21: 19,254,592 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.1

Radius: 11.6

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.58 AU - 4.2 AU

Year: 4095 Days

Day: 6.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,308,417 km

• M1: 144,362 km (0.092 R)
• M2: 1,290,880 km (0.049 R)
• M3: 1,690,606 km (0.096 R)
• M4: 2,061,758 km (0.071 R)
• M5: 2,441,288 km (0.107 R)
• M6: 2,867,941 km (0.102 R)
• M7: 3,305,814 km (0.057 R)
• M8: 3,916,323 km (0.052 R)
• M9: 4,363,919 km (0.028 R)
• M10: 6,356,713 km (0.096 R)
• M11: 6,977,544 km (0.039 R)
• M12: 11,452,166 km (0.112 R)
• M13: 12,137,773 km (0.076 R)
• M14: 12,609,904 km (0.106 R)
• M15: 13,540,702 km (0.117 R)
• M16: 14,203,570 km (0.055 R)
• M17: 14,995,242 km (0.097 R)
• M18: 17,487,692 km (0.119 R)
• M19: 18,520,815 km (0.03 R)
• M20: 21,179,169 km (0.082 R)
• M21: 21,657,284 km (0.04 R)
• M22: 22,142,579 km (0.092 R)
• M23: 22,564,146 km (0.063 R)
• M24: 24,528,516 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.6

Radius: 14.9

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.49 AU - 6.19 AU

Year: 8095 Days

Day: 11.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,308,417 km

• M1: 185,352 km (0.092 R)
• M2: 1,626,877 km (0.102 R)
• M3: 4,249,776 km (0.058 R)
• M4: 6,020,118 km (0.102 R)
• M5: 7,407,787 km (0.114 R)
• M6: 10,809,643 km (0.047 R)
• M7: 12,050,856 km (0.049 R)
• M8: 13,146,362 km (0.105 R)
• M9: 13,749,241 km (0.101 R)
• M10: 15,870,240 km (0.079 R)
• M11: 16,693,327 km (0.057 R)
• M12: 17,328,969 km (0.077 R)
• M13: 19,565,756 km (0.117 R)
• M14: 29,727,341 km (0.083 R)
• M15: 32,920,358 km (0.037 R)
• M16: 33,809,119 km (0.084 R)
• M17: 39,232,640 km (0.087 R)
• M18: 39,855,117 km (0.102 R)
• M19: 40,357,766 km (0.071 R)
• M20: 44,667,830 km (0.054 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: 212 - 15,989 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit