🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.89 AU - 0.99 AU

Year: 330 Days

Day: 38.4 Hours

Environment

Temp: 127 °C

Axial Tilt: 23.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.4

Radius: 8.4

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.19 AU - 6.29 AU

Year: 4338 Days

Day: 12.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,735,985 km

• M1: 104,419 km (0.111 R)
• M2: 418,276 km (0.063 R)
• M3: 721,660 km (0.102 R)
• M4: 1,078,002 km (0.091 R)
• M5: 1,550,432 km (0.104 R)
• M6: 1,812,079 km (0.108 R)
• M7: 2,454,751 km (0.036 R)
• M8: 2,829,045 km (0.111 R)
• M9: 3,310,750 km (0.09 R)
• M10: 3,749,970 km (0.069 R)
• M11: 4,043,780 km (0.114 R)
• M12: 4,524,438 km (0.097 R)
• M13: 4,972,783 km (0.064 R)
• M14: 5,984,812 km (0.061 R)
• M15: 6,609,533 km (0.07 R)
• M16: 8,711,832 km (0.067 R)
• M17: 10,710,460 km (0.029 R)
• M18: 12,215,863 km (0.112 R)
• M19: 13,130,355 km (0.09 R)
• M20: 13,903,477 km (0.095 R)
• M21: 14,372,316 km (0.063 R)
• M22: 14,754,838 km (0.11 R)
• M23: 17,626,070 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.2

Radius: 11.8

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.84 AU - 7.04 AU

Year: 5910 Days

Day: 5.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,735,985 km

• M1: 146,905 km (0.068 R)
• M2: 616,194 km (0.08 R)
• M3: 1,259,464 km (0.11 R)
• M4: 3,001,232 km (0.105 R)
• M5: 3,483,835 km (0.119 R)
• M6: 4,788,628 km (0.039 R)
• M7: 5,223,509 km (0.092 R)
• M8: 6,204,572 km (0.099 R)
• M9: 7,129,984 km (0.11 R)
• M10: 7,882,611 km (0.075 R)
• M11: 8,374,638 km (0.101 R)
• M12: 9,254,124 km (0.095 R)
• M13: 11,529,059 km (0.118 R)
• M14: 13,935,191 km (0.102 R)
• M15: 14,487,357 km (0.049 R)
• M16: 16,111,541 km (0.06 R)
• M17: 20,485,783 km (0.046 R)
• M18: 24,542,727 km (0.118 R)
• M19: 25,105,066 km (0.082 R)
• M20: 29,195,520 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.9

Radius: 12.4

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 8.2 AU - 8.3 AU

Year: 8570 Days

Day: 11.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 83,735,985 km

• M1: 154,834 km (0.118 R)
• M2: 773,571 km (0.112 R)
• M3: 1,358,199 km (0.113 R)
• M4: 1,903,035 km (0.053 R)
• M5: 2,361,851 km (0.081 R)
• M6: 2,836,076 km (0.115 R)
• M7: 3,440,153 km (0.043 R)
• M8: 3,929,936 km (0.054 R)
• M9: 4,935,683 km (0.029 R)
• M10: 5,623,384 km (0.085 R)
• M11: 6,039,864 km (0.027 R)
• M12: 7,682,299 km (0.097 R)
• M13: 8,196,318 km (0.115 R)
• M14: 10,390,919 km (0.105 R)
• M15: 10,971,059 km (0.059 R)
• M16: 12,143,607 km (0.114 R)
• M17: 14,379,347 km (0.094 R)
• M18: 16,745,686 km (0.108 R)
• M19: 19,944,388 km (0.074 R)
• M20: 20,464,540 km (0.094 R)
• M21: 21,223,151 km (0.077 R)
• M22: 21,609,562 km (0.103 R)
• M23: 22,316,861 km (0.065 R)
• M24: 22,877,554 km (0.09 R)
• M25: 23,694,807 km (0.097 R)
• M26: 28,542,376 km (0.108 R)
• M27: 29,874,246 km (0.095 R)
• M28: 32,050,446 km (0.107 R)
• M29: 35,510,047 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.3

Radius: 9.3

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 8.28 AU - 11.22 AU

Year: 11010 Days

Day: 5.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,735,985 km

• M1: 115,639 km (0.07 R)
• M2: 922,570 km (0.076 R)
• M3: 1,930,112 km (0.084 R)
• M4: 2,613,475 km (0.092 R)
• M5: 3,401,856 km (0.074 R)
• M6: 3,983,492 km (0.06 R)
• M7: 5,119,838 km (0.096 R)
• M8: 5,780,462 km (0.091 R)
• M9: 6,203,375 km (0.112 R)
• M10: 7,556,039 km (0.057 R)
• M11: 8,323,626 km (0.1 R)
• M12: 8,726,493 km (0.097 R)
• M13: 11,698,254 km (0.107 R)
• M14: 12,901,470 km (0.111 R)
• M15: 14,503,065 km (0.066 R)
• M16: 16,233,164 km (0.061 R)
• M17: 17,801,099 km (0.103 R)
• M18: 21,904,120 km (0.077 R)
• M19: 22,759,521 km (0.101 R)
• M20: 27,472,303 km (0.093 R)
• M21: 28,871,491 km (0.083 R)
• M22: 32,797,388 km (0.095 R)
• M23: 45,433,921 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770.5

Radius: 4.3

Gravity: 41.67 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 15.36 AU - 15.36 AU

Year: 21771 Days

Day: 18.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 83,735,985 km

• M1: 53,556 km (0.089 R)
• M2: 191,036 km (0.118 R)
• M3: 509,680 km (0.078 R)
• M4: 1,756,129 km (0.104 R)
• M5: 3,430,429 km (0.062 R)
• M6: 3,703,295 km (0.099 R)
• M7: 4,258,004 km (0.051 R)
• M8: 5,289,482 km (0.101 R)
• M9: 7,628,295 km (0.101 R)
• M10: 7,988,078 km (0.106 R)
• M11: 9,600,294 km (0.089 R)
• M12: 10,019,617 km (0.032 R)
• M13: 12,301,583 km (0.082 R)
• M14: 12,582,527 km (0.111 R)
• M15: 13,230,436 km (0.03 R)
• M16: 13,824,788 km (0.104 R)
• M17: 22,928,866 km (0.097 R)
• M18: 27,186,870 km (0.034 R)
• M19: 27,424,581 km (0.107 R)
• M20: 28,879,719 km (0.088 R)
• M21: 29,877,986 km (0.106 R)
• M22: 30,898,991 km (0.103 R)
• M23: 32,875,628 km (0.086 R)
• M24: 35,640,197 km (0.085 R)
• M25: 36,067,897 km (0.102 R)
• M26: 42,259,454 km (0.065 R)
• M27: 44,525,861 km (0.106 R)
• M28: 47,042,546 km (0.112 R)
• M29: 47,729,350 km (0.086 R)
• M30: 48,597,167 km (0.088 R)
• M31: 53,466,129 km (0.073 R)
• M32: 58,650,294 km (0.116 R)
• M33: 59,846,030 km (0.081 R)
• M34: 66,069,750 km (0.092 R)
• M35: 66,930,686 km (0.084 R)
• M36: 72,482,562 km (0.056 R)
• M37: 77,854,322 km (0.079 R)
• M38: 78,333,484 km (0.063 R)
• M39: 79,783,088 km (0.113 R)
• M40: 81,743,568 km (0.118 R)

Kuiper Belt

Range: 30.3 - 50.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 10,981 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit