🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120

Radius: 9

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.5 AU - 0.7 AU

Year: 315 Days

Day: 6.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,766,560 km

• M1: 112,049 km (0.041 R)
• M2: 527,033 km (0.108 R)
• M3: 849,118 km (0.078 R)
• M4: 1,264,551 km (0.118 R)
• M5: 1,562,400 km (0.029 R)
• M6: 1,931,907 km (0.111 R)
• M7: 2,221,528 km (0.071 R)
• M8: 2,592,681 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.8

Radius: 11.7

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.38 AU - 2.28 AU

Year: 1679 Days

Day: 10.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,766,560 km

• M1: 145,708 km (0.111 R)
• M2: 664,065 km (0.062 R)
• M3: 1,124,527 km (0.086 R)
• M4: 1,589,178 km (0.091 R)
• M5: 2,029,146 km (0.12 R)
• M6: 2,405,534 km (0.102 R)
• M7: 3,128,839 km (0.116 R)
• M8: 3,811,006 km (0.092 R)
• M9: 4,943,013 km (0.098 R)
• M10: 6,592,928 km (0.051 R)
• M11: 7,263,126 km (0.067 R)
• M12: 8,007,675 km (0.096 R)
• M13: 9,750,340 km (0.111 R)
• M14: 12,003,434 km (0.077 R)
• M15: 12,839,686 km (0.108 R)
• M16: 13,502,554 km (0.12 R)
• M17: 15,397,660 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.3

Radius: 9.7

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.82 AU - 2.16 AU

Year: 1904 Days

Day: 7.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,766,560 km

• M1: 120,576 km (0.08 R)
• M2: 776,413 km (0.052 R)
• M3: 1,358,797 km (0.053 R)
• M4: 2,211,805 km (0.031 R)
• M5: 2,611,979 km (0.072 R)
• M6: 2,919,103 km (0.104 R)
• M7: 3,235,652 km (0.092 R)
• M8: 3,720,948 km (0.117 R)
• M9: 4,418,224 km (0.118 R)
• M10: 4,720,561 km (0.117 R)
• M11: 5,097,697 km (0.063 R)
• M12: 5,602,739 km (0.055 R)
• M13: 6,140,843 km (0.115 R)
• M14: 6,737,738 km (0.112 R)
• M15: 8,215,017 km (0.075 R)
• M16: 9,456,829 km (0.116 R)
• M17: 10,252,989 km (0.082 R)
• M18: 11,266,664 km (0.116 R)
• M19: 12,234,862 km (0.104 R)
• M20: 12,644,760 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.4

Radius: 9.9

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.05 AU - 4.29 AU

Year: 4769 Days

Day: 12.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,766,560 km

• M1: 123,119 km (0.069 R)
• M2: 523,293 km (0.108 R)
• M3: 967,001 km (0.102 R)
• M4: 1,646,175 km (0.057 R)
• M5: 2,056,672 km (0.088 R)
• M6: 3,180,301 km (0.111 R)
• M7: 3,645,700 km (0.1 R)
• M8: 4,945,556 km (0.078 R)
• M9: 10,141,090 km (0.104 R)
• M10: 10,530,493 km (0.062 R)
• M11: 11,414,766 km (0.091 R)
• M12: 13,457,076 km (0.096 R)
• M13: 15,083,654 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.2

Radius: 14

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.76 AU - 6.1 AU

Year: 8582 Days

Day: 9 Hours

Environment

Temp: -216 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,766,560 km

• M1: 175,628 km (0.12 R)
• M2: 668,254 km (0.117 R)
• M3: 1,284,597 km (0.082 R)
• M4: 2,559,320 km (0.114 R)
• M5: 3,679,210 km (0.049 R)
• M6: 4,428,097 km (0.101 R)
• M7: 4,880,631 km (0.104 R)
• M8: 5,334,959 km (0.111 R)
• M9: 7,370,388 km (0.074 R)
• M10: 7,855,833 km (0.114 R)
• M11: 8,603,822 km (0.118 R)
• M12: 9,398,785 km (0.076 R)
• M13: 10,288,145 km (0.088 R)
• M14: 10,800,667 km (0.11 R)
• M15: 11,281,475 km (0.09 R)
• M16: 11,877,323 km (0.116 R)
• M17: 13,240,459 km (0.044 R)
• M18: 13,791,727 km (0.079 R)
• M19: 16,027,766 km (0.049 R)
• M20: 17,889,811 km (0.052 R)
• M21: 19,678,403 km (0.107 R)
• M22: 20,543,079 km (0.071 R)
• M23: 22,348,127 km (0.109 R)
• M24: 25,758,061 km (0.117 R)
• M25: 26,358,397 km (0.111 R)
• M26: 29,594,199 km (0.083 R)
• M27: 30,063,637 km (0.09 R)
• M28: 33,389,048 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 662.5

Radius: 3.1

Gravity: 68.94 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.81 AU - 7.01 AU

Year: 11007 Days

Day: 18.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 75,766,560 km

• M1: 39,195 km (0.07 R)
• M2: 198,965 km (0.033 R)
• M3: 333,005 km (0.098 R)
• M4: 460,911 km (0.098 R)
• M5: 710,739 km (0.114 R)
• M6: 1,415,645 km (0.08 R)
• M7: 1,662,332 km (0.111 R)
• M8: 2,076,269 km (0.057 R)
• M9: 2,680,195 km (0.098 R)
• M10: 3,057,032 km (0.077 R)
• M11: 3,294,594 km (0.115 R)
• M12: 3,833,296 km (0.101 R)
• M13: 4,166,450 km (0.09 R)
• M14: 4,858,041 km (0.07 R)
• M15: 5,763,707 km (0.101 R)
• M16: 6,052,281 km (0.09 R)
• M17: 6,275,032 km (0.087 R)
• M18: 7,989,723 km (0.093 R)
• M19: 8,624,317 km (0.092 R)
• M20: 9,145,965 km (0.09 R)
• M21: 10,409,319 km (0.079 R)
• M22: 11,054,983 km (0.083 R)
• M23: 12,725,094 km (0.06 R)
• M24: 13,090,412 km (0.108 R)
• M25: 19,281,221 km (0.108 R)
• M26: 20,006,770 km (0.079 R)
• M27: 20,583,620 km (0.103 R)
• M28: 24,465,086 km (0.107 R)
• M29: 24,746,181 km (0.107 R)
• M30: 25,602,479 km (0.029 R)
• M31: 25,892,250 km (0.093 R)
• M32: 26,973,394 km (0.028 R)
• M33: 35,636,307 km (0.042 R)
• M34: 36,482,882 km (0.091 R)
• M35: 40,655,017 km (0.09 R)
• M36: 41,845,666 km (0.091 R)
• M37: 42,113,297 km (0.115 R)
• M38: 43,881,244 km (0.102 R)
• M39: 45,133,827 km (0.12 R)
• M40: 45,556,591 km (0.085 R)
• M41: 45,698,110 km (0.089 R)
• M42: 45,982,047 km (0.026 R)
• M43: 47,564,493 km (0.106 R)
• M44: 48,295,728 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.6

Radius: 3.9

Gravity: 44.81 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 7.36 AU - 11.68 AU

Year: 19923 Days

Day: 21.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,766,560 km

• M1: 49,218 km (0.104 R)
• M2: 203,603 km (0.053 R)
• M3: 427,102 km (0.086 R)
• M4: 592,856 km (0.115 R)
• M5: 1,333,815 km (0.094 R)
• M6: 1,764,656 km (0.068 R)
• M7: 1,933,702 km (0.076 R)
• M8: 2,720,437 km (0.096 R)
• M9: 4,170,639 km (0.035 R)
• M10: 4,437,222 km (0.109 R)
• M11: 6,766,012 km (0.054 R)
• M12: 7,180,847 km (0.108 R)
• M13: 8,422,360 km (0.116 R)
• M14: 9,800,007 km (0.115 R)
• M15: 14,368,277 km (0.1 R)
• M16: 14,593,871 km (0.089 R)
• M17: 16,732,821 km (0.062 R)
• M18: 17,833,562 km (0.09 R)
• M19: 18,007,096 km (0.106 R)
• M20: 18,712,450 km (0.11 R)
• M21: 18,891,518 km (0.092 R)
• M22: 19,619,761 km (0.058 R)
• M23: 20,651,238 km (0.099 R)
• M24: 24,279,286 km (0.11 R)
• M25: 25,357,737 km (0.051 R)
• M26: 29,142,413 km (0.041 R)
• M27: 35,430,760 km (0.07 R)
• M28: 36,956,808 km (0.09 R)
• M29: 47,208,450 km (0.066 R)
• M30: 49,565,963 km (0.055 R)
• M31: 52,000,818 km (0.101 R)
• M32: 63,139,577 km (0.114 R)
• M33: 64,150,709 km (0.077 R)
• M34: 65,378,159 km (0.09 R)
• M35: 67,038,995 km (0.085 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 18,089 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit