🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.8

Radius: 12.6

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.42 AU - 0.7 AU

Year: 284 Days

Day: 14.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,698,534 km

• M1: 156,629 km (0.105 R)
• M2: 597,793 km (0.09 R)
• M3: 1,229,694 km (0.056 R)
• M4: 1,711,549 km (0.086 R)
• M5: 2,117,109 km (0.118 R)
• M6: 2,513,244 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.6

Radius: 8.4

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.89 AU - 1.15 AU

Year: 699 Days

Day: 14.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,698,534 km

• M1: 104,419 km (0.077 R)
• M2: 371,452 km (0.048 R)
• M3: 1,021,903 km (0.047 R)
• M4: 1,591,572 km (0.043 R)
• M5: 1,866,233 km (0.085 R)
• M6: 2,279,124 km (0.061 R)
• M7: 2,641,450 km (0.094 R)
• M8: 2,982,383 km (0.112 R)
• M9: 3,575,688 km (0.106 R)
• M10: 4,538,799 km (0.072 R)
• M11: 5,412,152 km (0.094 R)
• M12: 5,926,619 km (0.089 R)
• M13: 6,513,641 km (0.071 R)
• M14: 6,884,045 km (0.057 R)
• M15: 7,181,895 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.4

Radius: 13

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.87 AU - 3.01 AU

Year: 2585 Days

Day: 7.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,698,534 km

• M1: 288,574 km (0.04 R)
• M2: 708,944 km (0.117 R)
• M3: 1,129,314 km (0.101 R)
• M4: 1,822,401 km (0.111 R)
• M5: 2,740,633 km (0.072 R)
• M6: 3,812,203 km (0.093 R)
• M7: 5,052,818 km (0.094 R)
• M8: 6,685,828 km (0.092 R)
• M9: 8,382,717 km (0.106 R)
• M10: 9,157,185 km (0.108 R)
• M11: 12,185,195 km (0.067 R)
• M12: 14,087,332 km (0.119 R)
• M13: 15,876,373 km (0.104 R)
• M14: 17,812,469 km (0.107 R)
• M15: 19,035,731 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.3

Radius: 8

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.27 AU - 2.89 AU

Year: 2811 Days

Day: 7.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,698,534 km

• M1: 99,782 km (0.105 R)
• M2: 420,071 km (0.1 R)
• M3: 909,405 km (0.105 R)
• M4: 1,573,919 km (0.079 R)
• M5: 3,566,264 km (0.106 R)
• M6: 4,005,034 km (0.054 R)
• M7: 4,400,870 km (0.118 R)
• M8: 5,747,401 km (0.073 R)
• M9: 6,681,490 km (0.111 R)
• M10: 7,972,370 km (0.092 R)
• M11: 8,327,066 km (0.117 R)
• M12: 12,358,579 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558

Radius: 7.1

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 5.9 AU - 7.56 AU

Year: 11842 Days

Day: 19.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,698,534 km

• M1: 92,302 km (0.111 R)
• M2: 519,254 km (0.104 R)
• M3: 788,381 km (0.034 R)
• M4: 1,083,837 km (0.105 R)
• M5: 1,385,426 km (0.12 R)
• M6: 2,832,935 km (0.113 R)
• M7: 3,793,952 km (0.107 R)
• M8: 5,281,254 km (0.085 R)
• M9: 7,367,396 km (0.084 R)
• M10: 8,185,098 km (0.082 R)
• M11: 9,449,050 km (0.116 R)
• M12: 10,153,357 km (0.065 R)
• M13: 10,413,209 km (0.079 R)
• M14: 11,330,094 km (0.027 R)
• M15: 15,064,506 km (0.054 R)
• M16: 15,677,109 km (0.056 R)
• M17: 16,807,022 km (0.117 R)
• M18: 20,770,318 km (0.101 R)
• M19: 21,021,194 km (0.034 R)
• M20: 22,745,608 km (0.057 R)
• M21: 24,655,524 km (0.025 R)
• M22: 24,936,768 km (0.097 R)
• M23: 28,174,066 km (0.055 R)
• M24: 28,999,098 km (0.034 R)
• M25: 30,805,493 km (0.119 R)
• M26: 33,596,241 km (0.096 R)
• M27: 34,173,988 km (0.056 R)
• M28: 34,523,748 km (0.107 R)
• M29: 40,061,412 km (0.059 R)
• M30: 40,450,367 km (0.087 R)
• M31: 41,104,259 km (0.119 R)
• M32: 44,340,809 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 850.8

Radius: 6.9

Gravity: 17.87 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 7.83 AU - 12.05 AU

Year: 21255 Days

Day: 19.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,698,534 km

• M1: 85,869 km (0.051 R)
• M2: 334,650 km (0.044 R)
• M3: 573,857 km (0.059 R)
• M4: 955,332 km (0.117 R)
• M5: 2,695,155 km (0.083 R)
• M6: 3,342,465 km (0.068 R)
• M7: 3,671,880 km (0.101 R)
• M8: 3,957,462 km (0.108 R)
• M9: 6,571,984 km (0.118 R)
• M10: 9,733,585 km (0.105 R)
• M11: 10,158,144 km (0.1 R)
• M12: 10,595,120 km (0.062 R)
• M13: 12,682,459 km (0.115 R)
• M14: 13,189,147 km (0.071 R)
• M15: 16,010,712 km (0.114 R)
• M16: 21,261,597 km (0.077 R)
• M17: 22,601,994 km (0.033 R)
• M18: 27,197,192 km (0.066 R)
• M19: 33,460,855 km (0.083 R)
• M20: 36,271,949 km (0.037 R)
• M21: 40,156,556 km (0.098 R)
• M22: 43,164,670 km (0.094 R)
• M23: 43,816,468 km (0.09 R)
• M24: 48,214,646 km (0.072 R)
• M25: 56,119,098 km (0.095 R)
• M26: 67,432,138 km (0.092 R)
• M27: 68,309,529 km (0.118 R)
• M28: 71,440,613 km (0.03 R)
• M29: 74,432,570 km (0.204 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.6

Radius: 4.7

Gravity: 10.39 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 8.53 AU - 12.67 AU

Year: 23407 Days

Day: 19 Hours

Environment

Temp: -238 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,698,534 km

• M1: 93,199 km (0.101 R)
• M2: 351,705 km (0.067 R)
• M3: 578,645 km (0.114 R)
• M4: 735,274 km (0.069 R)
• M5: 931,396 km (0.111 R)
• M6: 1,089,072 km (0.066 R)
• M7: 1,473,838 km (0.12 R)
• M8: 2,034,531 km (0.113 R)
• M9: 2,594,326 km (0.093 R)
• M10: 2,886,641 km (0.109 R)
• M11: 4,885,268 km (0.053 R)
• M12: 5,618,597 km (0.103 R)
• M13: 6,382,743 km (0.08 R)
• M14: 13,044,037 km (0.073 R)
• M15: 13,698,677 km (0.066 R)
• M16: 15,286,958 km (0.116 R)
• M17: 15,647,788 km (0.096 R)
• M18: 16,162,554 km (0.068 R)
• M19: 16,461,600 km (0.096 R)
• M20: 17,616,346 km (0.119 R)
• M21: 22,590,326 km (0.067 R)
• M22: 29,522,691 km (0.099 R)
• M23: 30,421,176 km (0.115 R)
• M24: 33,466,988 km (0.116 R)
• M25: 33,953,032 km (0.045 R)
• M26: 40,843,061 km (0.109 R)
• M27: 41,397,920 km (0.095 R)
• M28: 44,247,909 km (0.095 R)
• M29: 44,539,924 km (0.104 R)
• M30: 44,686,380 km (0.055 R)
• M31: 45,869,849 km (0.037 R)
• M32: 50,812,862 km (0.113 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 13,893 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit