🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.2

Radius: 14.8

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.43 AU - 0.69 AU

Year: 289 Days

Day: 12 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,368,773 km

• M1: 184,155 km (0.12 R)
• M2: 709,842 km (0.106 R)
• M3: 1,186,311 km (0.118 R)
• M4: 1,812,528 km (0.069 R)
• M5: 2,577,272 km (0.08 R)
• M6: 3,262,879 km (0.078 R)
• M7: 3,866,656 km (0.095 R)
• M8: 4,352,251 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.4

Radius: 14.4

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.84 AU - 0.88 AU

Year: 551 Days

Day: 11.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,368,773 km

• M1: 179,069 km (0.106 R)
• M2: 739,013 km (0.116 R)
• M3: 1,285,495 km (0.115 R)
• M4: 1,761,665 km (0.092 R)
• M5: 2,259,975 km (0.112 R)
• M6: 2,771,001 km (0.111 R)
• M7: 3,537,541 km (0.101 R)
• M8: 4,151,491 km (0.066 R)
• M9: 4,628,708 km (0.117 R)
• M10: 5,205,856 km (0.098 R)
• M11: 5,933,949 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.4

Radius: 15

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.27 AU - 1.49 AU

Year: 1119 Days

Day: 5.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,368,773 km

• M1: 186,549 km (0.117 R)
• M2: 1,156,392 km (0.107 R)
• M3: 2,555,730 km (0.116 R)
• M4: 4,060,834 km (0.047 R)
• M5: 4,568,869 km (0.113 R)
• M6: 5,348,573 km (0.119 R)
• M7: 6,117,057 km (0.101 R)
• M8: 6,725,172 km (0.102 R)
• M9: 7,262,677 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.5

Radius: 14.2

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.58 AU - 2.04 AU

Year: 1681 Days

Day: 6 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,368,773 km

• M1: 176,525 km (0.116 R)
• M2: 657,632 km (0.098 R)
• M3: 1,386,323 km (0.099 R)
• M4: 1,831,377 km (0.068 R)
• M5: 2,311,437 km (0.108 R)
• M6: 2,761,876 km (0.087 R)
• M7: 3,566,712 km (0.12 R)
• M8: 4,523,241 km (0.117 R)
• M9: 5,019,457 km (0.09 R)
• M10: 5,667,964 km (0.072 R)
• M11: 6,550,143 km (0.081 R)
• M12: 7,779,837 km (0.106 R)
• M13: 8,465,145 km (0.073 R)
• M14: 9,061,442 km (0.111 R)
• M15: 10,198,685 km (0.092 R)
• M16: 12,554,852 km (0.11 R)
• M17: 13,082,932 km (0.12 R)
• M18: 13,710,645 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.3

Radius: 14.2

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.33 AU - 3.45 AU

Year: 3391 Days

Day: 12.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,368,773 km

• M1: 176,525 km (0.069 R)
• M2: 666,459 km (0.062 R)
• M3: 1,112,559 km (0.045 R)
• M4: 1,829,881 km (0.109 R)
• M5: 2,314,429 km (0.112 R)
• M6: 3,027,861 km (0.12 R)
• M7: 4,006,680 km (0.085 R)
• M8: 5,229,792 km (0.117 R)
• M9: 6,080,256 km (0.079 R)
• M10: 7,859,124 km (0.102 R)
• M11: 9,224,055 km (0.085 R)
• M12: 12,154,528 km (0.105 R)
• M13: 13,728,746 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.1

Radius: 8.4

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.98 AU - 4.1 AU

Year: 4597 Days

Day: 8.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,368,773 km

• M1: 104,868 km (0.076 R)
• M2: 543,040 km (0.036 R)
• M3: 855,101 km (0.116 R)
• M4: 1,120,338 km (0.11 R)
• M5: 1,495,530 km (0.107 R)
• M6: 2,259,377 km (0.038 R)
• M7: 4,166,450 km (0.094 R)
• M8: 4,534,162 km (0.055 R)
• M9: 6,255,734 km (0.106 R)
• M10: 8,481,900 km (0.09 R)
• M11: 9,036,160 km (0.042 R)
• M12: 10,972,854 km (0.041 R)
• M13: 12,315,046 km (0.098 R)
• M14: 13,366,570 km (0.107 R)
• M15: 13,663,522 km (0.076 R)
• M16: 14,842,652 km (0.033 R)
• M17: 16,480,898 km (0.109 R)
• M18: 17,696,979 km (0.102 R)
• M19: 18,601,598 km (0.052 R)
• M20: 22,950,707 km (0.118 R)
• M21: 23,663,840 km (0.105 R)
• M22: 24,909,990 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.5

Radius: 15

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.38 AU - 4.7 AU

Year: 5605 Days

Day: 12.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,368,773 km

• M1: 186,549 km (0.101 R)
• M2: 1,372,112 km (0.041 R)
• M3: 1,841,101 km (0.117 R)
• M4: 2,390,125 km (0.112 R)
• M5: 3,155,169 km (0.117 R)
• M6: 4,478,960 km (0.048 R)
• M7: 5,729,598 km (0.069 R)
• M8: 6,320,061 km (0.103 R)
• M9: 7,013,148 km (0.083 R)
• M10: 9,325,782 km (0.077 R)
• M11: 10,593,773 km (0.045 R)
• M12: 12,200,155 km (0.053 R)
• M13: 13,814,615 km (0.085 R)
• M14: 15,142,596 km (0.117 R)
• M15: 16,000,988 km (0.094 R)
• M16: 18,051,526 km (0.1 R)
• M17: 21,050,964 km (0.102 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: 443 - 17,805 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit