🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.8

Radius: 10.1

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.47 AU - 0.69 AU

Year: 295 Days

Day: 11.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,583,271 km

• M1: 125,812 km (0.094 R)
• M2: 444,306 km (0.098 R)
• M3: 800,797 km (0.036 R)
• M4: 1,193,492 km (0.118 R)
• M5: 1,609,673 km (0.066 R)
• M6: 1,961,976 km (0.081 R)
• M7: 2,299,170 km (0.1 R)
• M8: 2,702,934 km (0.114 R)
• M9: 3,735,459 km (0.091 R)
• M10: 4,207,739 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.9

Radius: 12.9

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.5 AU - 0.7 AU

Year: 310 Days

Day: 10.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,583,271 km

• M1: 160,369 km (0.064 R)
• M2: 561,740 km (0.117 R)
• M3: 981,960 km (0.086 R)
• M4: 1,436,738 km (0.087 R)
• M5: 1,933,702 km (0.11 R)
• M6: 2,497,536 km (0.111 R)
• M7: 3,059,127 km (0.082 R)
• M8: 3,469,474 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268

Radius: 9.6

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.72 AU - 0.88 AU

Year: 477 Days

Day: 11.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,583,271 km

• M1: 119,828 km (0.1 R)
• M2: 531,521 km (0.106 R)
• M3: 1,563,447 km (0.038 R)
• M4: 1,896,003 km (0.109 R)
• M5: 2,226,914 km (0.068 R)
• M6: 2,706,824 km (0.111 R)
• M7: 3,047,309 km (0.105 R)
• M8: 3,471,568 km (0.098 R)
• M9: 4,069,361 km (0.051 R)
• M10: 4,373,793 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.1

Radius: 10

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.78 AU - 0.92 AU

Year: 523 Days

Day: 13.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,583,271 km

• M1: 124,465 km (0.062 R)
• M2: 445,652 km (0.083 R)
• M3: 835,205 km (0.104 R)
• M4: 1,217,727 km (0.045 R)
• M5: 1,933,104 km (0.098 R)
• M6: 2,370,229 km (0.113 R)
• M7: 2,760,230 km (0.105 R)
• M8: 3,484,284 km (0.119 R)
• M9: 3,933,826 km (0.103 R)
• M10: 4,360,628 km (0.117 R)
• M11: 4,672,689 km (0.115 R)
• M12: 5,307,284 km (0.078 R)
• M13: 6,484,918 km (0.029 R)
• M14: 6,830,639 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.3

Radius: 13.9

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.76 AU - 1.02 AU

Year: 560 Days

Day: 12.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,583,271 km

• M1: 173,234 km (0.03 R)
• M2: 621,579 km (0.057 R)
• M3: 1,131,259 km (0.118 R)
• M4: 1,641,687 km (0.089 R)
• M5: 2,093,622 km (0.059 R)
• M6: 2,813,786 km (0.106 R)
• M7: 4,547,626 km (0.075 R)
• M8: 5,984,364 km (0.044 R)
• M9: 6,565,103 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.7

Radius: 11

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.55 AU - 2.11 AU

Year: 1651 Days

Day: 7.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,583,271 km

• M1: 151,243 km (0.1 R)
• M2: 576,849 km (0.111 R)
• M3: 1,218,475 km (0.039 R)
• M4: 1,913,357 km (0.094 R)
• M5: 2,565,005 km (0.06 R)
• M6: 3,761,339 km (0.064 R)
• M7: 4,425,554 km (0.081 R)
• M8: 4,806,729 km (0.066 R)
• M9: 5,166,362 km (0.118 R)
• M10: 5,681,578 km (0.099 R)
• M11: 6,206,367 km (0.079 R)
• M12: 7,134,622 km (0.063 R)
• M13: 7,746,028 km (0.088 R)
• M14: 8,093,993 km (0.071 R)
• M15: 10,164,727 km (0.076 R)
• M16: 13,252,576 km (0.06 R)
• M17: 14,480,176 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.5

Radius: 7.9

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 9.17 AU - 9.45 AU

Year: 18943 Days

Day: 17.1 Hours

Environment

Temp: -243 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,583,271 km

• M1: 98,286 km (0.103 R)
• M2: 401,072 km (0.043 R)
• M3: 679,474 km (0.102 R)
• M4: 1,045,390 km (0.066 R)
• M5: 1,437,935 km (0.067 R)
• M6: 1,693,149 km (0.075 R)
• M7: 2,499,780 km (0.106 R)
• M8: 7,902,059 km (0.067 R)
• M9: 11,101,209 km (0.084 R)
• M10: 12,417,820 km (0.112 R)
• M11: 12,985,394 km (0.077 R)
• M12: 13,902,429 km (0.078 R)
• M13: 23,320,662 km (0.081 R)
• M14: 27,533,488 km (0.117 R)
• M15: 31,992,402 km (0.038 R)
• M16: 33,539,244 km (0.119 R)
• M17: 36,015,388 km (0.079 R)
• M18: 45,788,467 km (0.117 R)
• M19: 47,903,931 km (0.071 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 12,609 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit