🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419

Radius: 10.1

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.54 AU - 0.9 AU

Year: 414 Days

Day: 9.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 85,544,707 km

• M1: 126,111 km (0.114 R)
• M2: 495,169 km (0.118 R)
• M3: 836,252 km (0.092 R)
• M4: 1,358,349 km (0.116 R)
• M5: 2,326,546 km (0.055 R)
• M6: 2,666,881 km (0.095 R)
• M7: 3,040,726 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.1

Radius: 12.1

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.68 AU - 0.84 AU

Year: 449 Days

Day: 9.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 85,544,707 km

• M1: 152,291 km (0.107 R)
• M2: 555,307 km (0.025 R)
• M3: 1,001,408 km (0.089 R)
• M4: 1,944,623 km (0.04 R)
• M5: 2,391,322 km (0.062 R)
• M6: 3,705,240 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.3

Radius: 13.2

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.7 AU - 0.96 AU

Year: 513 Days

Day: 8.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,544,707 km

• M1: 164,707 km (0.03 R)
• M2: 595,699 km (0.114 R)
• M3: 1,037,312 km (0.026 R)
• M4: 1,651,860 km (0.109 R)
• M5: 2,111,574 km (0.098 R)
• M6: 2,637,560 km (0.088 R)
• M7: 3,050,749 km (0.102 R)
• M8: 3,483,686 km (0.032 R)
• M9: 4,750,480 km (0.055 R)
• M10: 5,497,871 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.1

Radius: 12.9

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.62 AU - 1.74 AU

Year: 1477 Days

Day: 7.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,544,707 km

• M1: 160,369 km (0.109 R)
• M2: 827,426 km (0.093 R)
• M3: 1,281,755 km (0.068 R)
• M4: 1,834,219 km (0.108 R)
• M5: 2,332,380 km (0.115 R)
• M6: 3,049,852 km (0.107 R)
• M7: 3,493,260 km (0.089 R)
• M8: 4,212,526 km (0.073 R)
• M9: 4,627,511 km (0.088 R)
• M10: 5,696,388 km (0.118 R)
• M11: 6,471,604 km (0.086 R)
• M12: 7,779,089 km (0.026 R)
• M13: 9,318,302 km (0.108 R)
• M14: 10,772,243 km (0.116 R)
• M15: 11,229,415 km (0.08 R)
• M16: 12,032,905 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.6

Radius: 8.1

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.22 AU - 4.78 AU

Year: 6475 Days

Day: 8.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,544,707 km

• M1: 116,836 km (0.094 R)
• M2: 389,254 km (0.11 R)
• M3: 1,024,297 km (0.088 R)
• M4: 1,868,777 km (0.036 R)
• M5: 2,431,115 km (0.086 R)
• M6: 4,230,179 km (0.078 R)
• M7: 4,823,484 km (0.104 R)
• M8: 5,733,338 km (0.097 R)
• M9: 6,283,559 km (0.078 R)
• M10: 8,732,477 km (0.108 R)
• M11: 9,204,159 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.2

Radius: 14.6

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.65 AU - 6.11 AU

Year: 8464 Days

Day: 6 Hours

Environment

Temp: -223 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,544,707 km

• M1: 188,045 km (0.112 R)
• M2: 680,072 km (0.107 R)
• M3: 1,255,874 km (0.036 R)
• M4: 2,473,900 km (0.101 R)
• M5: 3,369,243 km (0.053 R)
• M6: 6,092,672 km (0.119 R)
• M7: 8,257,802 km (0.098 R)
• M8: 9,715,933 km (0.097 R)
• M9: 11,520,831 km (0.099 R)
• M10: 12,891,597 km (0.102 R)
• M11: 13,388,561 km (0.116 R)
• M12: 19,089,885 km (0.097 R)
• M13: 19,999,440 km (0.046 R)
• M14: 24,909,990 km (0.113 R)
• M15: 25,996,220 km (0.115 R)
• M16: 26,871,667 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.3

Radius: 4.5

Gravity: 37.05 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.83 AU - 11.99 AU

Year: 22781 Days

Day: 23.5 Hours

Environment

Temp: -243 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 85,544,707 km

• M1: 56,847 km (0.119 R)
• M2: 362,176 km (0.085 R)
• M3: 506,389 km (0.069 R)
• M4: 1,628,971 km (0.061 R)
• M5: 2,034,980 km (0.058 R)
• M6: 2,318,318 km (0.086 R)
• M7: 2,753,498 km (0.045 R)
• M8: 4,386,210 km (0.105 R)
• M9: 4,821,390 km (0.062 R)
• M10: 6,254,837 km (0.112 R)
• M11: 7,898,169 km (0.102 R)
• M12: 8,486,089 km (0.046 R)
• M13: 11,462,937 km (0.105 R)
• M14: 14,047,689 km (0.094 R)
• M15: 14,356,908 km (0.094 R)
• M16: 15,393,172 km (0.064 R)
• M17: 15,971,368 km (0.109 R)
• M18: 17,702,963 km (0.094 R)
• M19: 17,882,780 km (0.114 R)
• M20: 18,521,563 km (0.048 R)
• M21: 21,636,340 km (0.073 R)
• M22: 21,945,110 km (0.063 R)
• M23: 23,209,810 km (0.098 R)
• M24: 25,767,784 km (0.068 R)
• M25: 26,114,702 km (0.08 R)
• M26: 29,378,628 km (0.08 R)
• M27: 30,912,605 km (0.082 R)
• M28: 31,831,734 km (0.102 R)
• M29: 33,176,021 km (0.109 R)
• M30: 39,236,679 km (0.108 R)
• M31: 42,848,720 km (0.067 R)
• M32: 44,320,464 km (0.064 R)
• M33: 47,710,950 km (0.102 R)
• M34: 48,409,123 km (0.103 R)
• M35: 77,597,612 km (0.051 R)
• M36: 79,780,544 km (0.085 R)
• M37: 81,506,605 km (0.108 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: 395 - 11,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit