🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.2

Radius: 13.1

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.2 AU - 1.54 AU

Year: 1052 Days

Day: 10.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,152,731 km

• M1: 163,660 km (0.037 R)
• M2: 622,178 km (0.055 R)
• M3: 1,214,436 km (0.111 R)
• M4: 1,655,749 km (0.071 R)
• M5: 2,270,746 km (0.072 R)
• M6: 2,737,491 km (0.097 R)
• M7: 3,184,789 km (0.103 R)
• M8: 3,932,180 km (0.112 R)
• M9: 4,961,563 km (0.065 R)
• M10: 5,673,350 km (0.115 R)
• M11: 6,474,745 km (0.087 R)
• M12: 8,880,429 km (0.057 R)
• M13: 10,175,647 km (0.074 R)
• M14: 10,804,557 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.8

Radius: 8.2

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.38 AU - 2.22 AU

Year: 1584 Days

Day: 5.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,152,731 km

• M1: 102,175 km (0.12 R)
• M2: 369,507 km (0.06 R)
• M3: 624,571 km (0.107 R)
• M4: 921,672 km (0.107 R)
• M5: 1,506,899 km (0.057 R)
• M6: 2,594,625 km (0.054 R)
• M7: 3,210,520 km (0.073 R)
• M8: 3,740,545 km (0.054 R)
• M9: 6,720,385 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.5

Radius: 11.3

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.61 AU - 2.01 AU

Year: 1597 Days

Day: 8.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,152,731 km

• M1: 140,472 km (0.085 R)
• M2: 514,168 km (0.1 R)
• M3: 1,057,956 km (0.112 R)
• M4: 1,473,090 km (0.05 R)
• M5: 2,006,855 km (0.095 R)
• M6: 2,666,881 km (0.116 R)
• M7: 3,295,043 km (0.109 R)
• M8: 3,743,088 km (0.044 R)
• M9: 4,388,005 km (0.088 R)
• M10: 4,863,726 km (0.079 R)
• M11: 5,247,445 km (0.11 R)
• M12: 5,822,648 km (0.05 R)
• M13: 6,480,729 km (0.106 R)
• M14: 6,881,652 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.9

Radius: 12.2

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2 AU - 3.18 AU

Year: 2734 Days

Day: 5.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,152,731 km

• M1: 151,991 km (0.103 R)
• M2: 711,039 km (0.117 R)
• M3: 1,129,913 km (0.117 R)
• M4: 1,881,792 km (0.067 R)
• M5: 2,636,812 km (0.097 R)
• M6: 3,138,264 km (0.104 R)
• M7: 3,806,368 km (0.064 R)
• M8: 4,508,281 km (0.115 R)
• M9: 5,427,112 km (0.119 R)
• M10: 6,170,912 km (0.109 R)
• M11: 7,141,054 km (0.088 R)
• M12: 10,282,610 km (0.102 R)
• M13: 13,949,852 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.2

Radius: 14.1

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.39 AU - 2.87 AU

Year: 2798 Days

Day: 12.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,152,731 km

• M1: 177,423 km (0.074 R)
• M2: 678,426 km (0.117 R)
• M3: 1,662,631 km (0.042 R)
• M4: 2,177,547 km (0.079 R)
• M5: 2,890,829 km (0.069 R)
• M6: 3,737,703 km (0.104 R)
• M7: 4,280,893 km (0.096 R)
• M8: 4,832,310 km (0.101 R)
• M9: 6,341,753 km (0.119 R)
• M10: 7,530,458 km (0.041 R)
• M11: 8,051,956 km (0.058 R)
• M12: 10,162,183 km (0.114 R)
• M13: 11,227,171 km (0.094 R)
• M14: 13,006,188 km (0.084 R)
• M15: 14,123,236 km (0.083 R)
• M16: 16,192,922 km (0.072 R)
• M17: 17,012,419 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.6

Radius: 12.4

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.37 AU - 3.01 AU

Year: 2894 Days

Day: 13.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,152,731 km

• M1: 157,227 km (0.079 R)
• M2: 686,654 km (0.086 R)
• M3: 1,132,905 km (0.028 R)
• M4: 1,519,466 km (0.092 R)
• M5: 2,373,370 km (0.094 R)
• M6: 2,857,319 km (0.119 R)
• M7: 3,324,214 km (0.068 R)
• M8: 3,716,460 km (0.086 R)
• M9: 4,534,162 km (0.066 R)
• M10: 5,150,954 km (0.073 R)
• M11: 6,142,937 km (0.094 R)
• M12: 6,605,344 km (0.037 R)
• M13: 7,687,685 km (0.042 R)
• M14: 8,598,138 km (0.084 R)
• M15: 9,749,592 km (0.113 R)
• M16: 10,633,117 km (0.068 R)
• M17: 11,188,425 km (0.118 R)
• M18: 11,880,315 km (0.076 R)
• M19: 12,397,475 km (0.029 R)
• M20: 14,172,154 km (0.119 R)
• M21: 15,305,807 km (0.057 R)
• M22: 15,823,266 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.1

Radius: 13.9

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.34 AU - 6.64 AU

Year: 8439 Days

Day: 13.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,152,731 km

• M1: 173,085 km (0.106 R)
• M2: 641,027 km (0.044 R)
• M3: 2,034,980 km (0.066 R)
• M4: 2,848,343 km (0.077 R)
• M5: 3,342,465 km (0.097 R)
• M6: 4,320,835 km (0.108 R)
• M7: 5,956,239 km (0.048 R)
• M8: 6,665,632 km (0.108 R)
• M9: 7,660,159 km (0.11 R)
• M10: 9,137,288 km (0.082 R)
• M11: 9,851,618 km (0.094 R)
• M12: 10,894,615 km (0.096 R)
• M13: 12,433,827 km (0.088 R)
• M14: 12,867,810 km (0.115 R)
• M15: 15,376,866 km (0.101 R)
• M16: 16,845,169 km (0.093 R)
• M17: 20,733,068 km (0.115 R)
• M18: 21,499,159 km (0.07 R)
• M19: 26,231,987 km (0.086 R)
• M20: 31,920,146 km (0.11 R)
• M21: 34,090,961 km (0.089 R)
• M22: 34,622,034 km (0.07 R)
• M23: 35,483,269 km (0.063 R)
• M24: 37,925,304 km (0.12 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: 471 - 10,531 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit