🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.5

Radius: 13.6

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.66 AU - 1.06 AU

Year: 541 Days

Day: 13.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,566,503 km

• M1: 169,943 km (0.104 R)
• M2: 614,249 km (0.071 R)
• M3: 1,049,429 km (0.119 R)
• M4: 1,674,898 km (0.116 R)
• M5: 2,113,220 km (0.051 R)
• M6: 2,688,723 km (0.072 R)
• M7: 3,218,598 km (0.101 R)
• M8: 4,240,352 km (0.07 R)
• M9: 4,842,184 km (0.086 R)
• M10: 5,649,264 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.5

Radius: 8.8

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.87 AU - 1.19 AU

Year: 709 Days

Day: 9.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,566,503 km

• M1: 109,506 km (0.097 R)
• M2: 522,097 km (0.099 R)
• M3: 877,541 km (0.112 R)
• M4: 1,239,718 km (0.071 R)
• M5: 2,220,032 km (0.101 R)
• M6: 2,575,028 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.6

Radius: 14.2

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.94 AU - 1.22 AU

Year: 761 Days

Day: 14.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,566,503 km

• M1: 176,675 km (0.114 R)
• M2: 689,197 km (0.119 R)
• M3: 1,351,318 km (0.075 R)
• M4: 2,057,270 km (0.111 R)
• M5: 2,528,802 km (0.043 R)
• M6: 2,977,147 km (0.09 R)
• M7: 3,452,569 km (0.118 R)
• M8: 7,603,611 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.8

Radius: 12.3

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.75 AU - 2.09 AU

Year: 1804 Days

Day: 6.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,566,503 km

• M1: 153,039 km (0.096 R)
• M2: 614,249 km (0.102 R)
• M3: 1,044,492 km (0.097 R)
• M4: 1,561,652 km (0.118 R)
• M5: 1,995,486 km (0.079 R)
• M6: 2,924,190 km (0.108 R)
• M7: 3,532,155 km (0.111 R)
• M8: 3,939,810 km (0.111 R)
• M9: 4,738,961 km (0.082 R)
• M10: 5,478,124 km (0.092 R)
• M11: 5,983,616 km (0.114 R)
• M12: 7,235,750 km (0.118 R)
• M13: 8,136,179 km (0.098 R)
• M14: 11,089,241 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.3

Radius: 11.9

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.4 AU - 3.06 AU

Year: 3059 Days

Day: 7.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,566,503 km

• M1: 148,102 km (0.082 R)
• M2: 857,196 km (0.04 R)
• M3: 1,365,978 km (0.116 R)
• M4: 1,801,607 km (0.118 R)
• M5: 2,359,009 km (0.118 R)
• M6: 3,309,554 km (0.111 R)
• M7: 4,258,453 km (0.088 R)
• M8: 5,107,271 km (0.113 R)
• M9: 5,507,894 km (0.114 R)
• M10: 5,956,538 km (0.114 R)
• M11: 6,719,338 km (0.117 R)
• M12: 7,109,340 km (0.093 R)
• M13: 8,752,822 km (0.07 R)
• M14: 10,357,708 km (0.111 R)
• M15: 11,250,957 km (0.116 R)
• M16: 12,283,182 km (0.113 R)
• M17: 13,518,711 km (0.09 R)
• M18: 15,292,642 km (0.088 R)
• M19: 15,707,028 km (0.036 R)
• M20: 17,440,419 km (0.093 R)
• M21: 19,843,260 km (0.051 R)
• M22: 20,274,551 km (0.116 R)
• M23: 21,800,898 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.4

Radius: 11.4

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.47 AU - 4.91 AU

Year: 5817 Days

Day: 14.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 157.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,566,503 km

• M1: 151,842 km (0.114 R)
• M2: 798,553 km (0.074 R)
• M3: 2,101,700 km (0.117 R)
• M4: 2,775,041 km (0.038 R)
• M5: 3,421,154 km (0.059 R)
• M6: 5,826,239 km (0.059 R)
• M7: 6,854,574 km (0.12 R)
• M8: 7,890,988 km (0.089 R)
• M9: 10,623,394 km (0.071 R)
• M10: 11,163,891 km (0.087 R)
• M11: 11,770,061 km (0.119 R)
• M12: 12,447,291 km (0.093 R)
• M13: 18,510,343 km (0.082 R)
• M14: 22,429,508 km (0.117 R)
• M15: 23,169,868 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 537.3

Radius: 6

Gravity: 14.93 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.85 AU - 8.45 AU

Year: 12967 Days

Day: 16.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 115.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 52,566,503 km

• M1: 74,649 km (0.067 R)
• M2: 314,754 km (0.086 R)
• M3: 648,956 km (0.086 R)
• M4: 1,029,533 km (0.111 R)
• M5: 1,226,852 km (0.091 R)
• M6: 1,520,363 km (0.079 R)
• M7: 1,730,997 km (0.105 R)
• M8: 1,961,078 km (0.08 R)
• M9: 2,156,005 km (0.063 R)
• M10: 2,606,294 km (0.028 R)
• M11: 3,260,785 km (0.049 R)
• M12: 3,459,301 km (0.061 R)
• M13: 4,248,131 km (0.044 R)
• M14: 5,051,770 km (0.101 R)
• M15: 5,318,354 km (0.045 R)
• M16: 5,629,517 km (0.119 R)
• M17: 5,952,649 km (0.1 R)
• M18: 7,244,576 km (0.037 R)
• M19: 11,020,576 km (0.11 R)
• M20: 11,872,536 km (0.111 R)
• M21: 12,106,806 km (0.112 R)
• M22: 12,706,394 km (0.076 R)
• M23: 13,013,369 km (0.057 R)
• M24: 13,964,512 km (0.08 R)
• M25: 14,556,770 km (0.089 R)
• M26: 16,507,078 km (0.086 R)
• M27: 18,311,827 km (0.11 R)
• M28: 19,667,183 km (0.104 R)
• M29: 25,564,032 km (0.113 R)
• M30: 26,649,215 km (0.118 R)
• M31: 31,409,569 km (0.055 R)
• M32: 32,425,039 km (0.034 R)
• M33: 39,241,017 km (0.119 R)
• M34: 41,619,474 km (0.098 R)
• M35: 48,727,168 km (0.041 R)
• M36: 50,087,013 km (0.102 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 11,681 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit